The AWS Certified Advanced Networking - Specialty (ANS-C01) is designed for individuals who perform complex networking tasks and validates advanced technical skills in designing, implementing, and managing AWS and hybrid IT network architectures at scale. This is arguably the most technically demanding AWS certification, requiring not just AWS expertise but also deep foundational networking knowledge.
Unlike associate-level certifications that cover broad AWS services, ANS-C01 focuses exclusively on networking—from VPC design to BGP routing, from Direct Connect to Transit Gateway, from network security to performance optimization. This certification proves you can architect enterprise-grade network solutions that are secure, scalable, highly available, and cost-optimized.
What Makes ANS-C01 Unique:
- Deepest technical AWS exam: Requires understanding of network protocols, routing, switching, and packet-level analysis
- Hybrid cloud focus: Heavy emphasis on connecting on-premises networks to AWS via Direct Connect, VPN, and Transit Gateway
- Real-world scenarios: Questions based on complex, multi-region, multi-VPC enterprise architectures
- Specialty certification: Shows mastery of a specific domain beyond general cloud knowledge
Why Pursue ANS-C01 in 2025:
- Premium compensation: Network specialists with AWS expertise earn $130,000-$180,000+
- High demand: Enterprises migrating to cloud need advanced networking expertise
- Multi-cloud advantage: Networking skills transfer across cloud platforms
- Career differentiation: Rare specialty certification sets you apart
- Enterprise credibility: Proves ability to handle mission-critical network infrastructure
Prerequisites and Background: This is not a beginner certification. You should have:
- 3+ years networking experience (routing, switching, firewalls, VPN)
- 1+ year hands-on AWS experience designing and implementing AWS networking
- Understanding of network protocols: TCP/IP, BGP, OSPF, DNS, HTTP/S
- AWS Solutions Architect Associate or equivalent knowledge (recommended)
- Familiarity with enterprise network architecture patterns and best practices
- Network engineers designing complex AWS networks for enterprise migrations
- Solutions architects specializing in networking and hybrid connectivity
- Network administrators managing large-scale AWS deployments
- Cloud architects implementing Direct Connect and multi-region architectures
- DevOps engineers responsible for network infrastructure automation
- Security specialists focusing on network security and compliance
- Consultants advising on AWS networking best practices
Question Distribution: The 65 questions break down approximately as follows:
- 40-45 scenario-based questions requiring analysis of complex networking situations
- 15-20 technical implementation questions about specific AWS networking services
- 5-10 troubleshooting questions requiring diagnosis of network issues
Question Format:
- Multiple choice: Select one correct answer from four options
- Multiple response: Select two or more correct answers from five or more options (explicitly states how many to select)
Exam Interface Features:
- Flag questions for review
- Highlight and strikethrough options
- Notepad for calculations and notes
- Review all questions before submission
- No break (manage time accordingly)
Scoring and Results:
- Scaled score from 100-1000, passing at 750
- Results available immediately after exam
- Pass/fail notification with domain-level performance
- No raw score or number of correct questions revealed
- Detailed score report available in AWS Certification account
Exam Prerequisites:
- No mandatory prerequisites (but highly recommended to have AWS Solutions Architect Associate)
- Active AWS account for hands-on practice (strongly recommended)
- Professional networking experience (3+ years recommended)
Certification Validity:
- 3 years from passing date
- Recertification required every 3 years
- Can recertify by:
- Retaking ANS-C01
- Passing AWS Solutions Architect Professional
- Completing 80 hours of continuing education (future option)
Language Availability: While available in multiple languages, networking terminology is often clearer in English. If English is your professional language, consider taking it in English regardless of native language.
The ANS-C01 exam tests four major domains with different weight percentages:
Domain 1: Network Design (30% of exam)
This is the largest domain, focusing on designing scalable, available, and secure network architectures.
VPC Architecture and Design:
- Multi-tier VPC designs: Separating web, application, and database tiers with appropriate subnet segmentation
- CIDR planning: IP address space allocation, avoiding overlaps, planning for growth
- Subnet sizing: Public, private, and isolated subnets; subnet sizing calculations
- High availability: Multi-AZ deployments, subnet distribution across availability zones
- VPC peering: When to use VPC peering vs alternatives; transitive peering limitations
- Shared VPCs: Resource Access Manager (RAM) for multi-account VPC sharing
- IPv6 considerations: Dual-stack VPCs, IPv6 CIDR allocation
Hybrid Connectivity Architecture:
AWS Direct Connect:
- Dedicated connections (1Gbps, 10Gbps, 100Gbps)
- Hosted connections via APN partners
- Virtual interfaces (private VIF, public VIF, transit VIF)
- Link Aggregation Groups (LAG) for redundancy
- MACsec encryption for Direct Connect
- Bidirectional Forwarding Detection (BFD)
VPN Connectivity:
- Site-to-Site VPN architecture
- VPN over Direct Connect for encryption
- AWS VPN CloudHub for multiple site connectivity
- Accelerated VPN for improved performance
AWS Transit Gateway:
- Hub-and-spoke network topology
- Transit Gateway attachments (VPC, VPN, Direct Connect, peering)
- Route tables and route propagation
- Multi-region Transit Gateway peering
- Transit Gateway Network Manager for monitoring
Multi-Region Architecture:
- Global network design: Connecting multiple AWS regions
- Inter-region peering: VPC peering across regions, Transit Gateway peering
- Latency optimization: Region selection, CloudFront, Global Accelerator
- Disaster recovery: Multi-region failover strategies
- Data residency: Compliance with data sovereignty requirements
Network Segmentation and Isolation:
- Security groups: Stateful firewall rules at instance level
- Network ACLs: Stateless subnet-level firewalls
- VPC endpoints:
- Gateway endpoints (S3, DynamoDB)
- Interface endpoints (powered by PrivateLink)
- Endpoint policies and security
- AWS PrivateLink: Private connectivity to third-party services
- Micro-segmentation: Isolating workloads for security and compliance
Domain 2: Network Implementation (26% of exam)
This domain tests hands-on implementation skills for AWS networking services.
Routing and Advanced Connectivity:
Route tables:
- Main and custom route tables
- Route priority and longest prefix matching
- Route propagation with BGP
- Static routes vs dynamic routes
BGP Routing:
- BGP fundamentals: ASN, path selection, communities
- BGP with Direct Connect
- Route advertisement and filtering
- AS path prepending for traffic engineering
- Local preference and MED (Multi-Exit Discriminator)
Routing Protocols:
- Static routing vs dynamic routing
- Understanding OSPF, EIGRP (for on-premises context)
- BGP route selection process
Advanced Routing Scenarios:
- Asymmetric routing detection and resolution
- Equal-cost multi-path (ECMP) routing
- VPN routing priority over Direct Connect
- Blackhole routes for security
Load Balancing Services:
Application Load Balancer (ALB):
- Layer 7 load balancing
- Host-based and path-based routing
- Listener rules and target groups
- WebSocket and HTTP/2 support
- Lambda targets
- Authentication with Cognito or OIDC
Network Load Balancer (NLB):
- Layer 4 load balancing
- Ultra-low latency, high throughput
- Static IP addresses and Elastic IPs
- Preserve source IP
- TLS termination
Gateway Load Balancer (GLB):
- Deploying third-party virtual appliances
- Transparent network inspection
- Scaling security appliances
Classic Load Balancer (CLB):
- Legacy load balancer (for existing workloads)
- Migration strategies to ALB/NLB
Load Balancer Features:
- Cross-zone load balancing
- Connection draining and deregistration delay
- Health checks and target health
- Sticky sessions (session affinity)
- SSL/TLS policies and certificate management
DNS and Content Delivery:
Amazon Route 53:
- Hosted zones (public and private)
- Record types: A, AAAA, CNAME, MX, TXT, etc.
- Routing policies:
- Simple routing
- Weighted routing (traffic distribution)
- Latency-based routing
- Failover routing (active-passive)
- Geolocation routing
- Geoproximity routing
- Multi-value answer routing
- Health checks and DNS failover
- Traffic flow for visual traffic management
- DNSSEC for security
- Resolver for hybrid DNS
Amazon CloudFront:
- Global content delivery network (CDN)
- Edge locations and regional edge caches
- Origin configurations (S3, ALB, custom origins)
- Cache behaviors and TTL
- Geo-restriction
- Signed URLs and signed cookies
- Field-level encryption
- Lambda@Edge and CloudFront Functions
AWS Global Accelerator:
- Static anycast IP addresses
- Traffic routing to optimal endpoints
- Health checks and failover
- Traffic dials and endpoint weights
- Global Accelerator vs CloudFront use cases
Network Address Translation (NAT):
NAT Gateway:
- High availability NAT for private subnets
- Bandwidth scaling
- Multi-AZ NAT Gateway deployment
NAT Instances:
- Legacy approach (EC2-based)
- When to use vs NAT Gateway
- Limitations and considerations
Domain 3: Network Management and Operations (20% of exam)
Focuses on monitoring, automation, optimization, and troubleshooting.
Monitoring and Logging:
VPC Flow Logs:
- Capturing IP traffic information
- Flow log destinations: CloudWatch Logs, S3, Kinesis Data Firehose
- Custom format and fields
- Analyzing traffic patterns
- Troubleshooting connectivity issues
- Integration with Athena for querying
CloudWatch Metrics:
- Network interface metrics
- Load balancer metrics
- Direct Connect metrics
- Transit Gateway metrics
- VPN connection metrics
- Custom metrics with CloudWatch agent
AWS Network Manager:
- Global network visualization
- Monitoring Transit Gateway networks
- On-premises network integration
- Performance monitoring and alerts
Traffic Mirroring:
- Packet-level inspection
- Mirroring ENI traffic to monitoring tools
- Security analysis and troubleshooting
- Integration with IDS/IPS systems
Reachability Analyzer:
- Network path analysis
- Troubleshooting connectivity without sending packets
- Validating security group and NACL configurations
Network Automation:
Infrastructure as Code:
- CloudFormation for networking resources
- CDK (Cloud Development Kit) for network stacks
- Terraform for multi-cloud network automation
Automation Tools:
- AWS Lambda for event-driven network automation
- EventBridge for routing events
- Systems Manager for configuration management
- AWS Config for compliance automation
API and SDK:
- EC2 API for programmatic network management
- Boto3 (Python SDK) for automation scripts
- AWS CLI for command-line management
Network Optimization:
Performance tuning:
- Placement groups (cluster, partition, spread)
- Enhanced networking (SR-IOV, ENA)
- Elastic Network Adapter (ENA) optimization
- Jumbo frames (MTU 9001)
Bandwidth optimization:
- Direct Connect bandwidth upgrades
- Transit Gateway bandwidth management
- VPN bandwidth considerations
Latency reduction:
- Region selection
- CloudFront and Global Accelerator
- VPC peering vs Transit Gateway latency
Troubleshooting Network Issues:
Connectivity problems:
- Security group misconfiguration
- NACL blocking traffic
- Route table issues
- ENI attachment problems
- DNS resolution failures
Performance issues:
- Latency troubleshooting
- Packet loss investigation
- MTU/MSS mismatch (fragmentation)
- Bandwidth bottlenecks
Routing problems:
- Asymmetric routing
- BGP routing issues
- Route propagation failures
- Longest prefix match conflicts
Diagnostic tools:
- VPC Flow Logs analysis
- Reachability Analyzer
- CloudWatch Logs Insights
- Packet capture with Traffic Mirroring
- traceroute, ping, MTR, netcat
Domain 4: Network Security and Compliance (24% of exam)
Critical domain covering security controls, encryption, and regulatory compliance.
Network Security Controls:
AWS WAF (Web Application Firewall):
- Rule groups and conditions
- IP sets and regex patterns
- Rate-based rules for DDoS protection
- Managed rule groups
- Integration with ALB, CloudFront, API Gateway
- Logging and monitoring
AWS Shield:
- Shield Standard (automatic DDoS protection)
- Shield Advanced (enhanced DDoS protection)
- DDoS attack mitigation strategies
- Shield Response Team (SRT) support
- Cost protection
AWS Network Firewall:
- Managed network firewall service
- Stateful and stateless rules
- Rule groups and policies
- Intrusion prevention system (IPS)
- Domain name filtering
- Protocol detection
- Centralized firewall management
Security Groups and NACLs:
- Layered security architecture
- Stateful vs stateless filtering
- Best practices for rule design
- Managing security group references
- NACL rule ordering and conflicts
Encryption and Certificate Management:
Transport Layer Security (TLS/SSL):
- Certificate management with ACM
- Perfect Forward Secrecy
- TLS versions and cipher suites
- Certificate renewal and rotation
VPN Encryption:
- IPsec encryption for Site-to-Site VPN
- IKE (Internet Key Exchange) versions
- VPN tunnel encryption algorithms
- VPN over Direct Connect
MACsec for Direct Connect:
- Layer 2 encryption
- 256-bit encryption for Direct Connect
- Compliance requirements
End-to-End Encryption:
- Application-level encryption
- Database encryption in transit
- S3 encryption over VPC endpoints
- Certificate pinning
Identity and Access Management:
IAM policies for networking:
- Resource-based policies
- VPC endpoint policies
- S3 bucket policies with VPC endpoints
Network access control:
- AWS Resource Access Manager (RAM)
- VPC sharing permissions
- Cross-account networking
- Service Control Policies (SCPs)
Compliance and Governance:
Compliance frameworks:
- HIPAA network requirements
- PCI DSS network segmentation
- GDPR data residency
- FedRAMP compliance
Audit and Logging:
- CloudTrail for API auditing
- Config rules for network compliance
- VPC Flow Logs for traffic auditing
- Compliance automation
Network Compliance Automation:
- AWS Config for continuous compliance
- Security Hub for security findings
- Automated remediation with Lambda
- Compliance reporting and dashboards
Distributed Denial of Service (DDoS) Protection:
- Layer 3/4 attack mitigation
- Application layer (Layer 7) protection
- AWS Shield integration
- WAF rate limiting
- CloudFront for DDoS absorption
- Architecture patterns for DDoS resilience
Official AWS Resources
Official AWS Training
-
schoolAWS Advanced Networking - Specialty Exam Readiness - Free digital course (4-5 hours)open_in_new
Highly Recommended Third-Party Courses
A Cloud Guru / Pluralsight:
- Comprehensive ANS-C01 course
- Hands-on labs included
- Regular updates for exam changes
- Practice exams
- Subscription: ~$47/month
Linux Academy (now part of ACG):
- Deep technical coverage
- Extensive hands-on scenarios
- Community forums
- Learning paths
Udemy Courses:
- "AWS Certified Advanced Networking Specialty" by Stephane Maarek
- "Advanced Networking Specialty" by Neal Davis (Digital Cloud Training)
- Affordable ($10-15 during sales)
- Lifetime access
Adrian Cantrill:
- Technical depth and clarity
- Real-world scenarios
- Hands-on demos
- $40 for lifetime access
Study Guides and Books
"AWS Certified Advanced Networking Official Study Guide" (Sybex)
- Official study guide from AWS
- Comprehensive domain coverage
- Practice questions at end of chapters
- Aligned with exam blueprint
- ~$50
"AWS Networking Cookbook" by Satyajit Das
- Practical recipes for common scenarios
- Step-by-step implementations
- Real-world examples
Practice Exam Providers
Tutorials Dojo (Jon Bonso):
- 4 practice exams (65 questions each)
- Detailed explanations
- Very close to actual exam difficulty
- Timed and review modes
- $15-20
Whizlabs:
- Multiple practice tests
- Section-level tests
- Performance tracking
- $20-30
CertPractice ANS-C01 Mock Exams
- Full-length 65-question simulations
- Exam timer and interface
- Comprehensive explanations
- Performance analysis by domain
AWS re:Invent and re:Mars Sessions
YouTube channels with essential content:
Must-Watch Sessions:
- "Advanced VPC Design and New Capabilities" (re:Invent)
- "Deep Dive on AWS Direct Connect" (re:Invent)
- "AWS Transit Gateway Reference Architectures" (re:Invent)
- "Advanced Networking Architectures with AWS" (re:Invent)
- "Networking Best Practices and Tips" (re:Invent)
Search YouTube for:
- "AWS re:Invent networking"
- "AWS Transit Gateway deep dive"
- "AWS Direct Connect architecture"
Hands-On Practice Platforms
AWS Free Tier:
- VPC, subnets, route tables: Always free
- NAT Gateway: 750 hours/month (first year)
- Data transfer: 1GB/month (always free)
Qwiklabs / Cloudacademy:
- Guided hands-on labs
- No AWS account required
- Pre-configured scenarios
- Subscription: $29-39/month
AWS Workshops:
- networking.workshop.aws
- Free self-paced labs
- Transit Gateway, PrivateLink, Direct Connect simulations
Community Resources
Reddit:
- r/AWSCertifications - Study tips and exam experiences
- r/aws - General AWS discussions
AWS Forums:
- Active community support
- AWS experts respond
- Real-world problem solving
Discord/Slack:
- AWS Certification Study Groups
- Real-time help and discussions
LinkedIn Groups:
- AWS Certified Professionals
- AWS Networking Specialists
Additional Tools and Resources
Visual Learning:
- Lucidchart - Diagram VPC architectures
- draw.io - Free diagramming tool
- AWS Architecture Icons - Official icon set for diagrams
Blogs and Websites:
- AWS Networking Blog - Official AWS networking updates
- Adrian Cantrill's Blog - Technical deep dives
- Jayendra's Cloud Certification Blog - Exam tips and notes
Cheat Sheets:
- Tutorials Dojo AWS Cheat Sheets (free)
- Digital Cloud Training Cheat Sheets
- Create your own summary notes
Cost-Effective Study Plan
Minimal Budget (~$50):
- 1 AWS official documentation (free)
- 2 AWS exam readiness course (free)
- 3 Tutorials Dojo practice exams ($15)
- 4 Udemy course during sale ($10-15)
- 5 AWS free tier for hands-on practice (free)
Recommended Budget (~$150):
- 1 A Cloud Guru or Adrian Cantrill course ($40-50)
- 2 Official Study Guide book ($50)
- 3 Tutorials Dojo + Whizlabs practice exams ($35)
- 4 AWS free tier + minimal paid resources ($15)
Premium Budget (~$300+):
- 1 AWS instructor-led training course
- 2 All practice exam providers
- 3 Multiple online courses
- 4 Books and supplementary materials
- 5 Extended AWS lab environment
Preparing for the AWS Advanced Networking Specialty requires a structured approach combining theoretical knowledge, hands-on practice, and real-world scenario analysis.
10-Week Study Plan
Weeks 1-2: Networking Fundamentals Review
Before diving into AWS-specific content, ensure solid networking fundamentals:
OSI Model and TCP/IP:
- Seven layers and their functions
- TCP vs UDP protocols
- Three-way handshake
- Port numbers and protocols
IP Addressing and Subnetting:
- IPv4 and IPv6 addressing
- CIDR notation and subnet masks
- Subnetting calculations
- VLSM (Variable Length Subnet Masking)
Routing Fundamentals:
- Static vs dynamic routing
- Routing protocols: BGP, OSPF, EIGRP
- AS (Autonomous Systems)
- Route preference and administrative distance
DNS and HTTP/HTTPS:
- DNS query types and resolution
- DNS record types (A, AAAA, CNAME, MX, TXT)
- HTTP status codes
- TLS/SSL handshake process
Resources:
- Cisco CCNA materials (routing and switching modules)
- "Computer Networking: A Top-Down Approach" by Kurose and Ross
- YouTube: NetworkChuck, David Bombal networking fundamentals
Weeks 3-4: Core AWS Networking Services
Amazon VPC Deep Dive:
- VPC creation and configuration
- Subnets, route tables, internet gateways
- NAT gateways and NAT instances
- Elastic network interfaces (ENIs)
- Elastic IP addresses
- VPC peering configuration and limitations
Security Groups and NACLs:
- Inbound and outbound rules
- Stateful vs stateless differences
- Best practices for layered security
- Troubleshooting connectivity issues
VPC Endpoints:
- Gateway endpoints for S3 and DynamoDB
- Interface endpoints for AWS services
- Endpoint policies
- PrivateLink for third-party services
Hands-On Labs:
- Create multi-tier VPC (public, private, database subnets)
- Configure security groups and NACLs
- Set up VPC peering
- Deploy VPC endpoints
- Configure NAT gateway for private subnet internet access
Resources:
- AWS VPC Documentation
- "AWS Certified Advanced Networking Official Study Guide"
Weeks 5-6: Hybrid Connectivity (Critical Domain)
AWS Direct Connect:
- Dedicated vs hosted connections
- Virtual interfaces (private, public, transit)
- Direct Connect Gateway
- Link Aggregation Groups (LAG)
- BGP configuration and route advertisement
- MACsec encryption
- Bidirectional Forwarding Detection (BFD)
VPN Connectivity:
- Site-to-Site VPN setup
- Customer Gateway configuration
- Virtual Private Gateway
- VPN CloudHub for multiple sites
- Accelerated VPN
- VPN monitoring and troubleshooting
AWS Transit Gateway:
- Hub-and-spoke architecture
- Attachments: VPC, VPN, Direct Connect, peering
- Route tables and associations
- Multi-region Transit Gateway peering
- Transit Gateway Network Manager
Hands-On Labs:
- Configure Site-to-Site VPN connection
- Set up Transit Gateway with multiple VPCs
- Configure BGP routing over Direct Connect (use AWS simulations)
- Implement Transit Gateway inter-region peering
- Set up VPN as backup to Direct Connect
Resources:
- AWS Direct Connect Documentation (read thoroughly)
- AWS Transit Gateway User Guide
- AWS re:Invent sessions on hybrid connectivity
Weeks 7-8: Load Balancing, DNS, and Content Delivery
Elastic Load Balancing:
- ALB: listener rules, host/path routing, Lambda targets
- NLB: static IPs, preserve source IP, ultra-low latency
- Gateway Load Balancer: security appliance integration
- Cross-zone load balancing
- Health checks and monitoring
- SSL/TLS termination
Amazon Route 53:
- Public and private hosted zones
- All routing policies in detail
- Health checks and DNS failover
- Traffic flow
- DNSSEC
- Route 53 Resolver for hybrid DNS
Amazon CloudFront and Global Accelerator:
- CloudFront distribution configuration
- Origin configurations and behaviors
- Lambda@Edge use cases
- Global Accelerator static IPs
- Choosing between CloudFront and Global Accelerator
Hands-On Labs:
- Deploy ALB with path-based routing
- Configure NLB with static Elastic IPs
- Set up Route 53 failover routing
- Create CloudFront distribution with S3 origin
- Implement Global Accelerator for global application
Resources:
- AWS ELB Documentation
- Route 53 Developer Guide
- CloudFront documentation
Week 9: Network Security, Monitoring, and Automation
Security Services:
- AWS WAF rule creation
- AWS Shield Advanced features
- AWS Network Firewall deployment
- ACM certificate management
Monitoring and Logging:
- VPC Flow Logs analysis
- CloudWatch metrics and alarms
- Traffic Mirroring setup
- Reachability Analyzer
Automation:
- CloudFormation templates for VPC
- Lambda functions for network automation
- AWS Config rules for compliance
- EventBridge for event-driven automation
Hands-On Labs:
- Enable and analyze VPC Flow Logs
- Create AWS WAF rules for common attacks
- Deploy Network Firewall with stateful rules
- Write CloudFormation template for VPC with subnets
- Automate security group compliance with Config
Resources:
- AWS Network Firewall documentation
- AWS WAF Developer Guide
- VPC Flow Logs analysis with Athena
Week 10: Practice Exams and Review
- Take full-length practice exams
- Review weak areas identified in practice exams
- Read AWS whitepapers on networking
- Review exam blueprint and ensure coverage of all topics
- Join AWS certification forums and study groups
Daily Study Recommendations
Weekdays (2-3 hours):
- 1 hour: Reading documentation and study guides
- 1 hour: Hands-on labs and practice
- 30 minutes: Practice questions
Weekends (4-6 hours):
- 2 hours: Deep dive into complex topics
- 2 hours: Extended hands-on labs
- 1-2 hours: Practice exams and review
Total estimated study time: 150-200 hours
Hands-On Practice Strategy
AWS Free Tier Usage:
- Most networking services have free tier allowances
- VPC, security groups, NACLs: free
- Limited NAT Gateway hours free
- Be aware of data transfer charges
Practice Environment:
- Create dedicated AWS account for labs
- Use CloudFormation to quickly spin up/tear down environments
- Tag resources for cost tracking
- Set billing alarms to avoid unexpected charges
Lab Topics to Practice:
- 1 Multi-VPC architecture with Transit Gateway
- 2 Site-to-Site VPN with BGP routing
- 3 VPC peering with specific route table configurations
- 4 Load balancer configurations (ALB, NLB, GLB)
- 5 Route 53 routing policies with health checks
- 6 VPC Flow Logs analysis in Athena
- 7 AWS WAF rule creation and testing
- 8 Network Firewall deployment
- 9 CloudFront with custom origin and Lambda@Edge
- 10 Global Accelerator with health check failover
Prepare with our extensive question bank designed for specialty-level difficulty.
Practice Question Strategy
Phase 1: Topic-Based Practice (Weeks 1-8)
- Complete 20-30 questions daily
- Focus on one domain at a time
- Review explanations for ALL questions (even correct answers)
- Create notes on commonly missed concepts
- Identify knowledge gaps early
Phase 2: Mixed Practice (Week 9)
- Random questions across all domains
- Increase to 40-50 questions daily
- Simulate exam conditions (timed)
- Track performance by domain
- Focus additional study on weak domains
Phase 3: Full Mock Exams (Week 10)
- Take at least 3 full-length 65-question exams
- Complete in one sitting (170 minutes)
- Simulate actual exam environment (no breaks, no references)
- Review ALL questions thoroughly
- Analyze why wrong answers are wrong
Interpreting Practice Exam Scores
Below 60%:
- Need significant additional study
- Review fundamentals
- More hands-on practice required
- Not yet ready for exam
60-70%:
- Making progress
- Focus on weak domains
- Increase practice volume
- 2-3 more weeks of study recommended
70-80%:
- Good position
- Fine-tune weak areas
- Take additional practice exams
- 1-2 weeks from ready
Above 80%:
- Well-prepared
- Focus on maintaining knowledge
- Light review of complex topics
- Schedule exam confidently
Common Question Types
Scenario Analysis (Most Common): "A company has a multi-region architecture with VPCs in us-east-1 and eu-west-1. They need to route traffic between regions with the lowest latency and highest availability. They also require centralized egress through a security appliance. Which solution meets these requirements?"
Approach:
- 1 Identify requirements: multi-region, low latency, high availability, centralized egress
- 2 Consider options: VPC peering, Transit Gateway, Direct Connect
- 3 Evaluate security: appliance integration (Gateway Load Balancer)
- 4 Choose Transit Gateway with inter-region peering + Gateway Load Balancer
Troubleshooting: "An EC2 instance in a private subnet cannot reach the internet despite having a route to a NAT Gateway. What could be the issue?"
Approach:
- 1 Check security group outbound rules
- 2 Verify NACL allows outbound and return traffic
- 3 Confirm route table has correct NAT Gateway route
- 4 Verify NAT Gateway is in public subnet with IGW route
- 5 Check that NAT Gateway has Elastic IP
Best Practice Selection: "Which load balancer should be used for an application requiring static IP addresses and Layer 4 load balancing?"
Approach:
- 1 Identify requirements: static IPs, Layer 4
- 2 Eliminate ALB (Layer 7, no static IPs)
- 3 Eliminate GLB (for appliances)
- 4 Choose NLB (static IPs, Layer 4)
Tips for Practice Questions
Read Carefully:
- Note keywords: "MOST secure," "LEAST operational overhead," "MOST cost-effective"
- Identify all requirements
- Don't skip over details
Elimination Strategy:
- Cross out obviously wrong answers
- Look for answers that don't meet all requirements
- AWS best practices over workarounds
Common Traps:
- Choosing overly complex solutions
- Missing cost optimization opportunities
- Not considering high availability
- Forgetting security best practices
Time Management:
- ~2.6 minutes per question on average
- Don't spend more than 4 minutes on any question initially
- Flag difficult questions and return later
- Aim to finish with 20-30 minutes for review
One Week Before Exam
Final Preparation:
- Take final practice exam
- Review all incorrect answers from practice exams
- Create summary cheat sheet of key concepts
- Review AWS documentation one last time
- Light review only—avoid learning new concepts
- Confirm exam appointment and logistics
Don't:
- Cram new material
- Take practice exams day before
- Study late into the night
- Stress about weak areas
Day Before Exam
Preparation:
- Quick review of summary notes (30-60 minutes max)
- Review common troubleshooting scenarios
- Relax and trust your preparation
- Get 7-8 hours of sleep
- Eat healthy meals
- Stay hydrated
Logistics:
- Confirm exam time and location (or online setup)
- Prepare valid photo ID
- Plan route to test center (arrive 30 minutes early)
- Test online proctoring system if taking remotely
Exam Day Morning
Physical Preparation:
- Eat substantial, healthy breakfast
- Avoid excessive caffeine
- Stay hydrated
- Arrive 30 minutes early (or log in 15 minutes early for online)
Mental Preparation:
- Stay calm and confident
- Positive self-talk
- Light stretching or breathing exercises
- Avoid last-minute studying
During the Exam (170 minutes)
Time Management:
- 65 questions in 170 minutes = ~2.6 minutes per question
- Aim for 55-60 questions in first 90 minutes
- Leave 20-30 minutes for flagged questions and review
- Don't spend more than 4 minutes on any single question
- Move on if stuck—you can return later
Question-Answering Strategy:
First Pass (90-100 minutes):
- 1 Read question completely
- 2 Identify what's being asked
- 3 Note key requirements and constraints
- 4 Eliminate obviously wrong answers
- 5 Select best answer or flag if unsure
- 6 Move to next question
Second Pass (30-40 minutes):
- 1 Review flagged questions with fresh perspective
- 2 Re-read scenarios carefully
- 3 Apply elimination strategy
- 4 Make educated guess if still unsure
- 5 Don't change answers unless you find clear error
Final Review (20-30 minutes):
- 1 Quickly scan all questions
- 2 Verify no questions left blank
- 3 Check for misread questions
- 4 Submit with confidence
Reading Questions Effectively
Identify Question Type:
- Design questions: "Which architecture...?" → Choose best practice design
- Troubleshooting: "Why isn't...working?" → Diagnose root cause
- Implementation: "How to configure...?" → Select correct steps
- Optimization: "Most cost-effective...?" → Balance cost, performance, complexity
Note Keywords:
- MOST: Implies multiple solutions work, choose the best
- LEAST: Choose solution with minimal cost/complexity/overhead
- Highest availability: Consider multi-AZ, multi-region
- Lowest latency: Direct Connect, Global Accelerator, CloudFront
- Most secure: Encryption, private connectivity, least privilege
Identify Constraints:
- Budget limitations
- Existing infrastructure
- Compliance requirements
- Timeline urgency
- Technical limitations
Common Exam Traps and How to Avoid Them
Trap 1: Overengineering
- Trap: Choosing the most complex solution
- Avoid: Select simplest solution that meets ALL requirements
- Example: Don't choose Transit Gateway if VPC peering suffices
Trap 2: Cost Blindness
- Trap: Ignoring "cost-effective" requirement
- Avoid: Consider data transfer costs, service pricing
- Example: Direct Connect vs VPN for small data volumes
Trap 3: Missing HA Requirements
- Trap: Single AZ solutions when HA is required
- Avoid: Always consider multi-AZ deployment
- Example: Single NAT Gateway vs NAT Gateway per AZ
Trap 4: Ignoring Security Best Practices
- Trap: Choosing convenience over security
- Avoid: Prefer PrivateLink over public endpoints, encryption over plain text
- Example: Accessing S3 from VPC: use VPC endpoint, not public internet
Trap 5: Not Reading All Options
- Trap: Selecting first correct-seeming answer
- Avoid: Read ALL four options completely
- Example: Multiple solutions work, choose the BEST one
Trap 6: Real-World vs AWS Best Practice
- Trap: Applying real-world shortcuts instead of AWS recommendations
- Avoid: Follow AWS Well-Architected Framework principles
- Example: Use managed services over self-managed when possible
What to Do If You're Running Out of Time
With 30 minutes left:
- Focus only on flagged questions
- Make educated guesses on remaining difficult questions
- Don't second-guess previous answers
With 15 minutes left:
- Ensure ALL questions are answered
- Quick scan for obvious mistakes
- Submit if comfortable
With 5 minutes left:
- Verify no blank answers
- Submit immediately to avoid timeout
After the Exam
Immediate:
- Results displayed on screen
- Pass/fail notification
- Domain-level performance breakdown
Within 5 Days:
- Official score report in AWS Certification account
- Digital badge available
- Certificate download
If You Pass:
- Update resume and LinkedIn
- Download and share digital badge
- Plan recertification strategy (valid 3 years)
- Consider next certification (SAP-C02, other specialties)
If You Don't Pass:
- Review score report carefully
- Identify weak domains
- Study weak areas intensively
- Take more practice exams
- Retake when consistently scoring 75%+ on practice
- No waiting period, but $300 retake fee
Mental Strategies for Success
Confidence Building:
- Remember your preparation
- You've put in the hours
- Trust your instincts
- You know more than you think
Stress Management:
- Deep breathing between difficult questions
- Positive self-talk
- Don't let one hard question derail focus
- Stay present, don't project outcomes
Focus Maintenance:
- 170 minutes is long; maintain concentration
- Brief mental breaks (close eyes for 5 seconds)
- Stay hydrated (if permitted)
- Shift position to maintain alertness
It's similarly challenging but more specialized. ANS-C01 focuses exclusively on networking while SAP-C02 covers broader architecture across all AWS services. If you have strong networking fundamentals, ANS may feel more approachable. If you're stronger in general AWS architecture, SAP might be easier. Both are advanced-level certifications requiring 150-200 hours of study.
Yes, fundamental networking knowledge is essential. You must understand:
- OSI model and TCP/IP
- Subnetting and CIDR notation
- Routing protocols (especially BGP)
- DNS fundamentals
- VPN and encryption
- Network security concepts
AWS-only experience isn't sufficient. Consider getting CCNA or equivalent networking certification first if you lack networking background.
Highly recommended to have AWS Solutions Architect Associate before attempting ANS-C01. Ideally, also pursue SAP-C02 (Solutions Architect Professional) first. The progression should be:
- 1 AWS Solutions Architect Associate (foundational AWS knowledge)
- 2 AWS Solutions Architect Professional (advanced architecture)
- 3 AWS Advanced Networking Specialty (deep networking focus)
You can technically take ANS without prerequisites, but success rate is much higher with prior AWS certifications.
Deep Direct Connect knowledge is critical. Expect 10-15% of exam questions on Direct Connect topics:
- Physical connections vs hosted connections
- Virtual interfaces (private VIF, public VIF, transit VIF)
- BGP routing and route advertisement
- Link Aggregation Groups (LAG)
- Direct Connect Gateway
- MACsec encryption
- Failover scenarios and redundancy
- Connection monitoring and troubleshooting
Direct Connect is one of the most heavily tested services.
Hybrid connectivity is a major exam focus. You must understand:
- Connecting on-premises networks to AWS via Direct Connect and VPN
- BGP routing between on-premises and AWS
- Customer Gateway and Virtual Private Gateway
- Transit Gateway for hub-and-spoke with on-premises
- DNS resolution between on-premises and AWS (Route 53 Resolver)
- Hybrid network security
Real-world enterprise networking experience is highly valuable.
Most candidates study 8-12 weeks depending on background:
- Strong networking background: 8-10 weeks, 2-3 hours daily
- AWS experience but limited networking: 10-12 weeks, 3-4 hours daily
- Strong both networking and AWS: 6-8 weeks, 2 hours daily
Total study time typically ranges from 150-200 hours. Don't rush—this is a technical exam requiring hands-on practice.
Yes, ANS-C01 is available via Pearson VUE online proctoring. Requirements:
- Private, quiet room
- Reliable internet connection
- Webcam and microphone
- Clear desk (only computer, water in clear container)
- Government-issued photo ID
- Room scan before exam
Test your system at least 48 hours before exam appointment.
AWS doesn't publish official pass rates, but estimated at 50-60% based on community reports. This is lower than associate-level exams (70-75%) but similar to other specialty certifications. Proper preparation significantly increases success probability—candidates with 150+ hours of study and hands-on practice have 80%+ pass rates.
Yes, specialty certifications provide premium compensation:
- AWS Advanced Networking specialists: $130,000-$180,000+
- 15-25% salary premium over non-certified network engineers
- Higher for enterprise and consulting roles
- Strongest demand in financial services, healthcare, and large enterprises
ROI is positive within 6-12 months for most professionals.
Top 10 services by exam coverage:
- 1 Amazon VPC (subnets, route tables, security groups, NACLs)
- 2 AWS Direct Connect (all features)
- 3 AWS Transit Gateway (attachments, routing, peering)
- 4 Elastic Load Balancing (ALB, NLB, GLB)
- 5 Amazon Route 53 (all routing policies)
- 6 AWS VPN (Site-to-Site, Client VPN)
- 7 Amazon CloudFront and Global Accelerator
- 8 AWS WAF and Network Firewall
- 9 VPC Flow Logs and monitoring
- 10 VPC Endpoints and PrivateLink
Depends on career goals:
Choose ANS if:
- You're a network engineer or architect
- Focus on infrastructure and connectivity
- Working with hybrid cloud architectures
- Interested in multi-region, enterprise-scale networks
Choose Security Specialty if:
- You're in security, compliance, or GRC roles
- Focus on threat detection and response
- Working with security operations
- Interested in identity, logging, and incident response
Both are valuable; networking specialists benefit most from ANS.
Certification is valid for 3 years. To maintain:
- Retake ANS-C01 before expiration
- Pass AWS Solutions Architect Professional (recertifies specialty)
- Complete 80 hours of AWS continuing education (when available)
Certification expires if not renewed—you'll need to retake exam to recertify.
Free/low-cost study plan:
- 1 AWS official documentation (free)
- 2 AWS Exam Readiness course (free)
- 3 AWS Networking workshops (free)
- 4 AWS re:Invent sessions on YouTube (free)
- 5 AWS free tier for hands-on practice (free)
- 6 Tutorials Dojo practice exams ($15)
- 7 Udemy course during sale ($10-15)
Total cost: $25-30 + exam fee ($300)
Many successful candidates pass using primarily free resources + practice exams.
Career Paths After ANS-C01
Network Architect Roles:
- Cloud Network Architect: $140,000-$190,000
- Senior Network Engineer (Cloud): $120,000-$160,000
- Infrastructure Architect: $130,000-$180,000
Consulting and Advisory:
- AWS Networking Consultant: $150,000-$200,000+
- Cloud Migration Specialist: $130,000-$170,000
- Enterprise Cloud Architect: $160,000-$220,000
Specialized Technical Roles:
- Site Reliability Engineer (SRE): $140,000-$200,000
- DevOps Engineer (Infrastructure): $130,000-$180,000
- Cloud Security Architect: $150,000-$210,000
Complementary Certifications
Next AWS Certifications:
- AWS Solutions Architect Professional (if not already completed)
- AWS Security Specialty (networking + security combination is powerful)
- AWS DevOps Engineer Professional (automation and infrastructure)
Multi-Cloud Strategy:
- Azure Network Engineer Associate (AZ-700)
- Google Cloud Professional Network Engineer
- Demonstrates multi-cloud networking expertise
Networking Certifications:
- Cisco CCNP Enterprise (advanced routing and switching)
- CISSP (security focus with networking knowledge)
Continuing Education and Recertification
Maintaining Certification (60 PDUs every 3 years):
- Attend AWS re:Invent or regional summits
- Complete AWS training courses
- Write technical blogs or speak at conferences
- Contribute to AWS community
- Pass additional AWS certifications
Staying Current:
- Follow AWS Networking Blog
- Attend AWS webinars
- Join AWS user groups
- Participate in AWS forums
Two Weeks Before Exam
- Completed all study materials and courses
- Taken at least 3 full-length practice exams
- Scoring consistently above 75% on practice tests
- Completed hands-on labs for all key services
- Reviewed all incorrect practice questions
- Created personal summary notes and cheat sheets
- Confirmed exam appointment details
One Week Before Exam
- Taken final practice exam
- Reviewed weak domains only
- Practiced common troubleshooting scenarios
- Light review of Direct Connect and Transit Gateway
- Avoided learning new material
- Prepared exam logistics
Day Before Exam
- Quick review of summary notes (30-60 minutes max)
- Confirmed exam time and method (online/in-person)
- Prepared valid photo ID
- Tested online proctoring system (if applicable)
- Planned route to test center (if in-person)
- Got 7-8 hours of sleep
- Avoided stress and heavy studying
Exam Day
- Ate substantial, healthy breakfast
- Arrived 30 minutes early / logged in 15 minutes early
- Brought valid identification
- Read all questions carefully and completely
- Flagged difficult questions for review
- Managed time effectively (~2.6 minutes per question)
- Reviewed all answers before submission
- Stayed confident and calm
After Passing
- Celebrated achievement!
- Updated resume and LinkedIn profile
- Downloaded digital badge from AWS Certification
- Shared certification on professional networks
- Planned recertification strategy
- Considered next certification path
- Joined AWS networking communities
The AWS Advanced Networking Specialty certification is one of the most technically demanding AWS credentials, but with thorough preparation, hands-on practice, and a solid understanding of both networking fundamentals and AWS services, you can successfully pass on your first attempt. This certification will open doors to high-level networking roles, premium compensation, and recognition as an AWS networking expert.
Related Resources
CertPractice Team
Expert certification guides and study tips