200-901 Online Practice Questions and Answers

Refer to the exhibit.

What is the effect of this Ansible playbook on an IOS router?

A. A new running configuration is pushed to the IOS router.

B. The start-up configuration of the IOS router is copied to a local folder.

C. The current running configuration of the IOS router is backed up.

D. A new start-up configuration is copied to the IOS router.

What is the difference between YAML and JSON data structure?

A. YAML uses spaces; JSON uses parentheses

B. YAML uses indentation; JSON uses brackets and braces

C. YAML uses brackets and braces; JSON uses indentation

D. YAML uses parentheses; JSON uses spaces

A system administrator works with a software development department to implement code to production. The administrator wants to review the code to be implemented and not do it automatically. The code must be ready for production and should be implemented by the administrator without additional intervention from the development team. Which DevOps concept does this scenario represent?

A. continuous deployment

B. continuous testing

C. continuous integration

D. continuous delivery

A developer creates an application that must provide an encrypted connection or API keys. The keys will be used to communicate with a REST API. Which command must be used for the secure connection?

A. curl -X PUSH `http://username.app.com/endpoint/?api_key=12345abcdef'

B. curl -v `ftp://username.app.com/endpoint/?api_key=12345abcdef'

C. curl -X GET `https://username.app.com/endpoint/?api_key=12345abcdef'

D. curl -X GET `http://username.app.com/endpoint/?api_key=12345abcdef'

Refer to the exhibit.

A network engineer executes the bash script shown. Which two things are achieved by running the script? (Choose two.)

A. A directory called PRODUCTION is created.

B. The engineer changes to the parent directory.

C. A YAML file is created.

D. A YAML file is removed.

E. A directory called state.yml is created.

Refer to the exhibit.

Which JSON is equivalent to the XML-encoded data?

A. Option A

B. Option B

C. Option C

D. Option D

Refer to the exhibit.

An administrator attempts to perform a GET using the Cisco IOS XE RESTCONF API to return the hostname of a device. The sequence diagram illustrates the HTTP messages observed. Which change to the API request resolves the issue?

A. Remove the -H `Accept: application/yang-data+json' HTTP header because it is not required.

B. Add -u cisco:cisco' in the end of the cURL command

C. Change the request method from -X "GET" to -X "POST"

D. Add Content-Type HTTP header with `application/yang-data+json' using -H `Content-Type: application/yang-data+json'

Refer to the exhibit.

What do all the calls shown in the sequence diagram have in common?

A. All the calls are optional.

B. All the calls are asynchronous.

C. All the calls are synchronous.

D. All the calls depend on the catalog.

Refer to the exhibit.

Which command, including arguments, is executed when the container starts?

A. /bin/sh -c "/bin/sleep 30 andand nginx -g 'daemon off;'"

B. /bin/sh -c "/bin/sleep 10 andand nginx -g 'daemon off;'"

C. /bin/bash -c "/bin/sleep 30 andand nginx -g 'daemon off;'"

D. /bin/sh -c "/bin/sleep 30" andand nginx -g 'daemon off;'

FILL IN THE BLANK

Fill in the blanks to complete the Bash script in which each file in a directory is renamed to Its SHA256 hash?

A. Check the answer in explanation.