Exam 350-401 topic 1 question 308 discussion

Actual exam question from Cisco's 350-401

Question #: 308
Topic #: 1

A network administrator is preparing a Python script to configure a Cisco IOS XE-based device on the network. The administrator is worried that colleagues will make changes to the device while the script is running.
Which operation of the ncclient manager prevents colleagues from making changes to the devices while the script is running?

A. m.lock(config='running')
B. m.lock(target='running')
C. m.freeze(target='running')
D. m.freeze(config='running')

Show Suggested Answer

Suggested Answer: B 🗳️

by wqoiqw at Jan. 3, 2021, 9:59 a.m.

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ihateciscoreally

Highly Voted 1 year, 10 months ago

thank you for covering this in OCG!

upvoted 13 times

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AbdullahMohammad251

Most Recent 9 months ago

Selected Answer: B

Only the lock owner can perform edit operations when a lock is active on the running-config datastore. Other NETCONF sessions (users) can only parse read operations while the lock is active. The lock operation takes a mandatory parameter "target" that is the name of the configuration datastore to be locked. When a lock is active, the <edit-config> and <copy-config> operations are prohibited. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/1610/b_1610_programmability_cg/configuring_yang_datamodel.html

upvoted 1 times

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[Removed]

1 year, 1 month ago

Selected Answer: B

B is correct

upvoted 1 times

[Removed]

1 year ago

This operation acquires a lock on the configuration or operational datastore of the device, ensuring that other users can´t modify it until the lock is released.

upvoted 1 times

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[Removed]

4 years, 1 month ago

The given response is correct

upvoted 2 times

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wqoiqw

4 years, 5 months ago

If the clear configuration lock command is specified while a NETCONF global lock is being held, a full synchronization of the configuration is scheduled and a warning syslog message is produced. This command clears only the parser configuration lock. The following is a sample RPC that shows the <lock> operation: <rpc message-id="101" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"> <lock> <target> <running/> </target> </lock> </rpc> https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/1610/b_1610_programmability_cg/configuring_yang_datamodel.html#ariaid-title6

upvoted 4 times

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