# Content Domain 5: Networking and Content Delivery
<a name="sysops-administrator-associate-03-domain5"></a>

**Topics**
+ [Task 5.1: Implement and optimize networking features and connectivity](#sysops-administrator-associate-03-domain5-task1)
+ [Task 5.2: Configure domains, DNS services, and content delivery](#sysops-administrator-associate-03-domain5-task2)
+ [Task 5.3: Troubleshoot network connectivity issues](#sysops-administrator-associate-03-domain5-task3)

## Task 5.1: Implement and optimize networking features and connectivity
<a name="sysops-administrator-associate-03-domain5-task1"></a>
+ Skill 5.1.1: Configure a VPC (for example, subnets, route tables, network ACLs, security groups, NAT gateways, internet gateway, egress-only internet gateway)
+ Skill 5.1.2: Configure private networking connectivity
+ Skill 5.1.3: Audit AWS network protection services (for example, Amazon Route 53 Resolver DNS Firewall, AWS WAF, AWS Shield, AWS Network Firewall) in a single account
+ Skill 5.1.4: Optimize the cost of network architectures

## Task 5.2: Configure domains, DNS services, and content delivery
<a name="sysops-administrator-associate-03-domain5-task2"></a>
+ Skill 5.2.1: Configure DNS (for example, Route 53 Resolver)
+ Skill 5.2.2: Implement Route 53 routing policies, configurations, and query logging
+ Skill 5.2.3: Configure content and service distribution (for example, Amazon CloudFront, AWS Global Accelerator)

## Task 5.3: Troubleshoot network connectivity issues
<a name="sysops-administrator-associate-03-domain5-task3"></a>
+ Skill 5.3.1: Troubleshoot VPC configurations (for example, subnets, route tables, network ACLs, security groups, transit gateways, NAT gateways)
+ Skill 5.3.2: Collect and interpret networking logs to troubleshoot issues (for example, VPC flow logs, Elastic Load Balancing [ELB] access logs, AWS WAF web ACL logs, CloudFront logs, container logs)
+ Skill 5.3.3: Identify and remediate CloudFront caching issues
+ Skill 5.3.4: Identify and troubleshoot hybrid connectivity issues and private connectivity issues
+ Skill 5.3.5: Configure and analyze Amazon CloudWatch network monitoring services