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Placement Oriented DevOps week - 2 Test ( Docker )

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Placement Oriented DevOps week - 2 Test ( Docker )
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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary advantage of horizontal scaling in a container cluster?

Reduced complexity

Improved fault tolerance

  • Lower cost

Simplified configuration

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which command initializes a Docker Swarm?

docker swarm create

docker swarm init

  • docker init

docker cluster init

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a Docker Swarm, what is the role of a master node?

 Manage and orchestrate the swarm

  • Execute containerized applications

  • Provide storage

  • Monitor network traffic

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which Docker command is used to deploy a service across a Swarm cluster?

  • docker run

  • docker deploy

  • docker service deploy

  • docker service create

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. What does SPOF stand for in a cluster context?

  • Single Point of Function

Secure Point of Failure

Single Point of Failure

System Point of Function

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What keyword is used in Docker Swarm to define the number of task replicas?

replicate

instances

replicas

copies

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes 'failover' in a cluster?

  • Automatically switching to a standby system upon failure

Manually restarting failed services

Balancing load across multiple nodes

  •  Scaling down services to reduce cost

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