Question 1

Complete the sentence using the correct answer below:

When authentication is enabled, a Consul token should be provided to make API requests using the ___________ or ___________ header

Options :

A : X-Consul-Token

B :

ACL_Token

C : Consul_Token

D :

Token

E : Authorization: Bearer

Answer: A

Question 2

Scenario: You have an application that uses Consul service discovery to connect to backend services in order to process data submitted by end-users. The front-end web

service consists of 3 containers, while the backend service consists of 5 static virtual machines. All of the front-end web servers and the backend servers are registered

with Consul.

During normal operations, a user complains that the data processing is taking too long. To troubleshoot, you run a DNS query against the DNS name for the backend

service, but discover that the response only contains three of the virtual machines. Why would Consul only respond with three servers rather than all five?

Options :

A :

the response only included the three underutilized nodes

B :

the DNS query must specify how many nodes to return in the response

C : the health check is failing for the other two servers

D : Consul has a maximum response of three nodes in a given DNS query

Answer: C

Question 3

What ports does Consul use as the default for the incoming DNS listener, where clients can send DNS queries for service discovery? (select two)

Options :

A : tcp/8600

B : tcp/53

C : udp/53

D : udp/8600

Answer: A,D

Question 4

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 5

True or False? A service definition can include multiple health checks.

Options :

A : false

B : true

Answer: B

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