LCA Cloud Integration & Deployment 2

Question 1

Which AWS CLI command uploads a local file to an S3 bucket?

Accepted Answer

aws s3 cp file.txt s3://mybucket/

Answer

The 'aws s3 cp' command copies a local file to an S3 bucket using the s3:// URI scheme.

Question 2

What is the purpose of an IAM role attached to an EC2 instance?

Accepted Answer

To allow the instance to make AWS API calls without embedded credentials

Answer

An IAM role attached to an EC2 instance provides temporary credentials so the instance can call AWS APIs without storing long-term access keys.

Question 3

Which command initializes a new Terraform working directory and downloads provider plugins?

Accepted Answer

terraform init

Answer

'terraform init' initializes the working directory, downloads required providers, and sets up the backend.

Question 4

In Kubernetes, what object ensures a specified number of pod replicas are always running?

Accepted Answer

ReplicaSet

Answer

A ReplicaSet maintains a stable set of replica pods running at any given time, restarting pods if they fail.

Question 5

Which Linux tool is commonly used to manage containerized application lifecycles defined in a YAML file with multiple services?

Accepted Answer

docker-compose

Answer

Docker Compose uses a docker-compose.yml file to define and run multi-container Docker applications with a single command.

(LCA) Certified Linux Administrator Practice Test