Question 1

What command can be used for new Consul agents to become a member of an existing cluster?

Options :

A : consul join

B : consul cluster -join

C : consul exec -join

D : consul connect

Answer: A

Question 2

Scenario: You are storing configuration settings for your application in Consul's K/V store, and each setting is critical to the successful implementation of the application.

A developer recently updated the value for app1, causing the deployment to fail.

What Consul feature can be used to monitor the K/V store for updates and automatically take action to remediate the issue?

Options :

A : set up an ACL to automatically restart the Consul service when a value is changed

B :

configure a watch and execute a script to update the application

C : set up health checks to monitor for changes to the K/V store

D : use the raft consensus protocol to replicate the changes from the other nodes when a value is changed

Answer: A

Question 3

When storing data in the Consul K/V, what type of nodes will replicate the Consul K/V data to ensure high availability.

Options :

A : all servers, including servers in all Consul federated datacenters

B : clients within the local Consul datacenter

C : servers within the local Consul datacenter

D : both clients and servers within the local Consul datacenter

Answer: C

Question 4

You need to deny communication between the customer-db service and the payment service using an intention. You open the command line and issue the following

command:

$ consul intention create customer-db payment

However, the two services can still initiate new connections even after the intention is created. What would explain this?

Options :

A : the default behavior of the command issued is allow

B :

the mTLS certificates are both signed by the same CA, therefore the connectivity is permitted regardless of an intention

C : the services are communicating over HTTP rather than HTTPS

D : there is an identical intention that is permitting the connectivity

Answer: A

Question 5

True or False? A prepared query can be used to assist with service failover between multiple federated Consul datacenters.

Options :

A : false

B : true

Answer: B

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