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Juniper JN0-421 Dumps

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Total 65 questions

Automation and DevOps-Specialist (JNCIS-DevOps) Questions and Answers

Question 1

In SLAX, what is the difference between the jcs:invoke () and the jcs:execute () functions?

Options:

A.

RPCs called by jcs:execute () are executed within an existing connection

B.

RPCs called by jcs:invoke () are executed within an existing connection

C.

RPCs called by jcs:invoke () are not executed until the conclusion of the script

D.

RPCs called by jcs:execute () are not executed until the conclusion of the script

Question 2

What are three types of Juniper on-box scripts? (Choose three)

Options:

A.

operational

B.

expect

C.

Ansible

D.

event

E.

commit

Question 3

What are two attributes of the jsd JET service process? (Choose two)

Options:

A.

It executes one API request per session

B.

It executes APIs from multiple sessions in parallel

C.

It supports only one client session at a time

D.

It creates a separate thread to service JET application requests

Question 4

Click the Exhibit button.

Exhibit:

Referring to the exhibit, which Python statement selects the element for the user logged in on the pts/2 TTY?

Options:

A.

response.find(“./uptime-information/user-table/user-entry/tty=’pts/2’”)

B.

response.find(“./uptime-information/user-table/[tty=’pts/2’]/user-entry”)

C.

response.find(“../user-entry/[tty=’pts/2’]”)

D.

response.find(“./uptime-information/user-table/user-entry@tty=’pts/2’”)

Question 5

In a Python commit script, which object provides the post-inheritance candidate configuration?

Options:

A.

Commit-Script-Input

B.

Junos_Configuration

C.

Candidate_Configuration

D.

Checkout_Configuration

Question 6

Click the Exhibit button.

Exhibit:

Referring to the exhibit, which exception is raised if the RPC takes 40 seconds to return a complete response?

Options:

A.

jnpr.junos.exception.RpcError

B.

jnpr.junos.exception.ConnectTimeoutError

C.

jnpr.junos.exception.RpcTimeoutError

D.

jnpr.junos.exception.LockError

Question 7

What are two format distinctions to know when using YAML? (Choose two)

Options:

A.

white space indentation sensitive

B.

tab indentation not allowed

C.

tab indentation allowed

D.

white space indentation insensitive

Question 8

Using the RESTful API on a Junos device, you are able to retrieve configuration information in which three formats? (Choose three)

Options:

A.

YAML

B.

XML

C.

plain text

D.

GPB

E.

JSON

Question 9

Which transport protocol must be supported by RFC-compliant NETCONF implementations?

Options:

A.

TLS

B.

Telnet

C.

BEEP

D.

SSH

Page: 1 / 2
Total 65 questions