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Question 1

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 2

Given the following screenshot, what path would you use to access the value shown?

Consul-Associate-Part-1-Q57-page28-image4

Options :

A : key/values/app1/config

B : kv/app1/config

C : app1/config/database

D : app1/config

Answer: C

Question 3

What are two ways that a client or service can programmatically discover healthy nodes for a service registered in a local Consul cluster? (select two)

Options :

A : DNS

B : User Interface (UI)

C : HTTP API

D : federation

Answer: A,C

Question 4

Complete the sentence:

The main restriction on Consul's K/V store is an object's size, which can be a maximum of _______?

Options :

A : 512KB

B : 8KB

C : 64KB

D : 1MB

Answer: A

Question 5

You are using the Consul KV store and need to be able to easily list all of the keys in a given path. What is the easiest way to do so?

Options :

A :

consul kv read -recursive

B : consul kv get -recurse

C : consul kv read

D : consul kv get *.*

Answer: B