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Exam 300-420 topic 1 question 150 discussion

Actual exam question from Cisco's 300-420
Question #: 150
Topic #: 1
[All 300-420 Questions]

A client is moving to Model-Driven Telemetry and requires periodic updates. What must the network architect consider with this design?

  • A. Updates that contain changes within the data are sent only when changes occur.
  • B. Empty data subscriptions do not generate empty update notifications.
  • C. Periodic updates include a full copy of the data that is subscribed to.
  • D. The primary push update is sent immediately and cannot be delayed.
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Suggested Answer: C 🗳️
by goku2020 at Dec. 1, 2020, 9:11 a.m.

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goku2020
Highly Voted 3 years, 5 months ago
C is correct.
upvoted 6 times
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Clauster
Most Recent 8 months, 3 weeks ago
Selected Answer: C
Answer is C I was able to find the documentation on Cisco WhitePages https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/173/b_173_programmability_cg/model_driven_telemetry.html
upvoted 1 times
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namibdigger
1 year, 9 months ago
Selected Answer: C
I Agree on C but find it difficult to see the difference in A (ENSLD Cert Guide p 390: on-change subscription streams out data only when a change in the data has occured' -differnce may be in 'Periodic subscription' which is not the usual approach for A
upvoted 2 times
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[Removed]
1 year, 11 months ago
Selected Answer: C
With periodic publications, the network device continuously sends data for the lifetime of that configured subscription. ENSLD book pg 389
upvoted 1 times
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Xavi07
2 years, 9 months ago
C is correct. Periodic updates contain a full copy of the subscribed data element or table.
upvoted 1 times
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luisjuradoledesma
3 years, 3 months ago
Agree - C is correct - Periodic updates contain a full copy of the subscribed data element or table for all supported transport protocols https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/166/b_166_programmability_cg/model_driven_telemetry.html
upvoted 4 times
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Community vote distribution
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C (25%)
B (20%)
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