EC2

Question 1

How do you start using EC2 capacity reservation?

Answer 1

To start using Capacity Reservations, you create the capacity reservation in the required Availability Zone.

Question 2

Which EC2 CLI option checks whether you have the **required permissions **for the action, without actually making the request, and provides an error response?

Answer 2

AWS CLI –dry-run

Question 3

What is the CLI instruction to import EC2 public keys?

Answer 3

aws ec2 import-key-pair

Question 4

What are the EC2 predefined ASG target tracking scaling policies?

Answer 4

• ASGAverageCPUUtilization—Average CPU utilization of the Auto Scaling group.
• ASGAverageNetworkIn—Average number of bytes received by a single instance on all network interfaces.
• ASGAverageNetworkOut—Average number of bytes sent out from a single instance on all network interfaces.
• ALBRequestCountPerTarget—Average Application Load Balancer request count per target.

Question 5

Which types of Load Balancers use dynamic port mapping?

Answer 5

Application Load Balancer

Network Load Balancer

Question 6

Are Security Groups stateless?

Answer 6

No, Security Groups are statefull

Question 7

Is there a Load Balancer that can route more traffic to higher-capacity instance types?

Answer 7

A Classic Load Balancer with HTTP or HTTPS listeners might route more traffic to higher-capacity instance types.

Question 8

What is the EC2 CLI to monitor an instance?

Answer 8

aws ec2 monitor-instances --instance-ids

Question 9

What is granularity that EC2 detailed monitoring provides?

Answer 9

1 minute

Question 10

The following are the supported condition types for a Load Balancing rule:

Answer 10

• host-header: Route based on the host name of each request.
• http-header: Route based on the HTTP headers for each request.
• http-request-method: Route based on the HTTP request method of each request.
• path-pattern: Route based on path patterns in the request URLs.
• query-string: Route based on key/value pairs or values in the query strings.
• source-ip: Route based on the source IP address of each request.