The AWS Certified Advanced Networking – Specialty (ANS-C01) exam validates your skills in designing and implementing AWS networking solutions. It is suitable for networking professionals looking to specialize in AWS.
Which AWS service provides a scalable domain name system?
AAmazon Route 53
BElastic Load Balancing
CAWS Direct Connect
DAmazon API Gateway
Explanation
Amazon Route 53 is specifically designed for DNS services, while the others serve different purposes.
Q62
A company needs to limit access to their S3 bucket so that only specific EC2 instances can access it. What is the best practice to achieve this?
AIAM roles for EC2 instances
BBucket Policy for the S3
CAWS Config Rules
DNACLs for VPC
Explanation
IAM roles assigned to EC2 allow for secure access control without modifying bucket policies, unlike the other options which are not focused on direct instance access.
Q63
What happens when you enable cross-zone load balancing in an Elastic Load Balancer?
ADistributes traffic across registered instances
BOnly uses instances in the same zone
CIncreases latency
DReduces fault tolerance
Explanation
Enabling cross-zone load balancing allows distributing traffic across all healthy instances in all zones, while the other options contradict core functionality.
Q64
Which service automatically distributes incoming application traffic?
AElastic Load Balancing
BAmazon Route 53
CAWS Auto Scaling
DAmazon CloudFront
Explanation
Elastic Load Balancing automatically distributes traffic, while the others serve different purposes.
Q65
A company needs to expose an application securely to the internet while ensuring minimal latency. Which service should they utilize?
AAmazon VPC Peering
BAWS Direct Connect
CAmazon CloudFront
DAWS Site-to-Site VPN
Explanation
Amazon CloudFront is an efficient CDN for low-latency applications, unlike the others which are VPN or connection methods.
Q66
You are configuring a VPC with multiple subnets and need to ensure instances in different subnets can communicate. What must you enable?
ANAT Gateway
BDocker containers
CVPC Peering
DRoute Tables
Explanation
Route Tables are needed to allow communication between subnets, while others are unrelated or specific use cases.
Q67
Which AWS service allows you to automate network traffic routing?
AAWS Global Accelerator
BAmazon Route 53
CAWS Direct Connect
DElastic Load Balancing
Explanation
Amazon Route 53 is a scalable DNS web service that enables you to automate the routing of network traffic.
Q68
A company needs to connect its on-premises network to AWS securely. What is the best solution?
AAWS VPN
BDirect Connect
CTransit Gateway
DVPC Peering
Explanation
AWS Direct Connect provides a dedicated network connection for secure and reliable access.
Q69
What happens when you assign an Elastic IP to an instance?
AInstance rejoices
BPublic IP changes
CStatic IP assigned
DElastic Load Balancing starts
Explanation
An Elastic IP is a static public IP address that remains constant regardless of instance restarts.
Q70
Which service provides private connectivity to AWS?
AAWS Direct Connect
BAWS VPN
CAWS Transit Gateway
DAWS CloudFront
Explanation
AWS Direct Connect provides dedicated private connections, while the others offer different connectivity options.