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AWS Networking and Content Delivery Flashcards

7 cards from real AWS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 AWS Networking and Content Delivery flashcards as text

  1. Which AWS Transit Gateway feature allows you to connect multiple VPCs and on-premises networks through a central hub?

    Answer: Transit Gateway Attachments

    Transit Gateway Attachments connect VPCs, VPN connections, and Direct Connect gateways to the Transit Gateway, enabling centralized network routing.

  2. What is the purpose of an Egress-Only Internet Gateway in AWS?

    Answer: Allow IPv6 outbound traffic while blocking inbound IPv6 connections

    Egress-Only Internet Gateways allow IPv6 traffic to flow outbound from instances in a VPC while preventing unsolicited inbound IPv6 connections.

  3. Which CloudFront cache behavior setting determines how long objects remain in the CloudFront cache before CloudFront forwards another request to the origin?

    Answer: Cache Policy

    Cache Policies in CloudFront define the TTL settings and which headers, cookies, and query strings are included in the cache key.

  4. A company wants to ensure DNS queries from their VPC resolve private hostnames in their on-premises network. Which Route 53 feature should they use?

    Answer: Route 53 Resolver Outbound Endpoints

    Route 53 Resolver Outbound Endpoints allow DNS queries from within the VPC to be forwarded to on-premises DNS resolvers for resolution.

  5. What is the primary purpose of AWS PrivateLink?

    Answer: Expose services to other VPCs privately without VPC peering or internet

    AWS PrivateLink allows you to expose services hosted in your VPC to other VPCs privately using Interface Endpoints, without requiring VPC peering or internet routing.

  6. In AWS Direct Connect, what component connects the AWS network to a customer's network at a Direct Connect location?

    Answer: Virtual Interface (VIF)

    A Virtual Interface (VIF) is the BGP session component used on a Direct Connect connection, with public VIFs for AWS public services and private VIFs for VPC access.

  7. Which Route 53 health check type monitors the health of other health checks, allowing you to create complex health check scenarios?

    Answer: Calculated health check

    Calculated health checks combine the results of multiple child health checks using AND or OR logic, allowing complex health monitoring scenarios.