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.
You are configuring AWS Security Groups and you want to allow database access only from a specific IP range. What happens if you leave the inbound rule empty?
AAll traffic is denied
BTraffic is allowed from everywhere
COnly SSH access is allowed
DNo outbound traffic allowed
Explanation
By default, security groups deny all inbound traffic unless specified otherwise.
Q202
Which service provides a dedicated connection from your on-premises network to AWS?
AAWS Direct Connect
BAWS VPN
CAWS CloudFront
DAWS Route 53
Explanation
AWS Direct Connect establishes a dedicated line, while VPN uses an internet connection.
Q203
A company needs real-time monitoring of their VPC’s traffic. What should they use?
AAWS CloudTrail
BAWS Config
CAmazon GuardDuty
DVPC Flow Logs
Explanation
VPC Flow Logs provides real-time traffic visibility, unlike the other options.
Q204
You are configuring a new NAT Gateway in a public subnet. What must you ensure?
ASubnet does not have a route table
BPublic IP or Elastic IP is assigned
CSecurity groups allow all traffic
DSubnet is set to private
Explanation
A public or Elastic IP is necessary for NAT Gateways to function properly.
Q205
Which service is primarily used for storing large-scale datasets in AWS?
AAmazon S3
BAmazon EC2
CAmazon RDS
DAWS Lambda
Explanation
Amazon S3 is designed for large-scale data storage, while the other services cater to different functionalities.
Q206
A company needs to connect multiple VPCs across different regions. Which AWS service should they use?
AAWS Transit Gateway
BAmazon Direct Connect
CAWS VPN
DAmazon CloudFront
Explanation
AWS Transit Gateway allows inter-region VPC connectivity, while the others serve different purposes.
Q207
You are configuring security groups for an application. What happens when you remove an inbound rule?
ATraffic is blocked for that rule
BAll traffic is allowed
CExisting connections are terminated
DChanges only apply after reboot
Explanation
Removing an inbound rule blocks the specified type of traffic, while the other options describe incorrect behaviors.
Q208
Which service allows you to create isolated cloud networks?
AAmazon VPC
BAWS Route 53
CAWS CloudFormation
DAmazon RDS
Explanation
Amazon VPC is designed for creating isolated networks in the cloud. The others serve different purposes such as DNS, resource management, and databases.
Q209
A company needs to connect its on-premises data center to AWS securely. What should they use?
AAmazon Direct Connect
BElastic Load Balancer
CAWS Lambda
DAmazon S3
Explanation
Amazon Direct Connect provides a dedicated network connection for secure and consistent connectivity. The other options do not specifically address connecting data centers.
Q210
You are configuring a security group for an EC2 instance. What happens if you leave all inbound rules empty?
AAll inbound traffic is allowed.
BNo inbound traffic is allowed.
COnly HTTP traffic is blocked.
DSSH access is permitted by default.
Explanation
An empty inbound rules configuration means no traffic is allowed. The other options incorrectly imply permissions or defaults that do not exist.