300-910 Practice Online

Question 1

An IT department needs to deploy a new application named 'Entfin434772390' across the entire enterprise. The deployment must gradually transfer user traffic from an on older and nearly identical version of the application named 'Entfin02754932l'. Both versions of the application are running in the production environment.

Which release strategy should be used by the IT department?

A : ile

B : nary

C : llbacks

D : ue/green

Answer: B

Question 2

Which step must be taken to enable centralized logging in a Kubernetes environment?

A : steps need to be taken. The master node automatically aggregates logs from all worker nodes and stores them on the specified persistent volume.

B : eate a CustomResourceDefinition in each deployment that specifies the IP or names the log collector.

C : ploy a sidecar node that aggregates logs from the entire cluster.

D : eate a DaemonSet that deploys a container with a logging agent on every node in the cluster.

Answer: C

Question 3

A three-tier web application must be moved to containers. A webserver is already in place, and the middleware container can talk to a central database server. The hostname of the database server is known, but the name of the middleware server must be provided to the webserver.

In which file should the name of the middleware server be configured?

A : cker Service discovery daemon

B : cker Swarm

C : cker Compose

D : namic Host Configuration Protocol

Answer: A

Question 4

An organization is developing an application using Git. Each team member is assigned to work on specific parts of the application. At the end of each task, individual code parts are merged in the main build.

Which two requirements should be implemented to increase the likelihood of continuous integration? (Choose two.)

A : anges must be scheduled to deploy at a specific time that has minimal traffic

B : anges must include automated tests

C : anges must be validated during deployment to the production environment

D : aller, individually testable changes must be merged first

E : am members must be responsible for the code committed by any team member

Answer: B,C

Question 5

A developer is nearing the end of a software development cycle and is ready to deploy the software. The customer wants to continue using a secure software development lifecycle methodology and must plan for postproduction components. Which two areas should be the developer address? (Choose two.)

A : rforming code reviews

B : quirement gathering

C : ange management process

D : w code scanning

E : llback plans

Answer: A,C

Name:	Implementing DevOps Solutions and Practices using Cisco Platforms
Exam Code:	300-910
Certification:	Cisco Certified DevNet Professional
Vendor:	Cisco
Total Questions:	116
Last Updated:	Mar 03, 2020

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