ExamTopics Logo
Mail Us[email protected]
Menu
Cisco Discussions
exam questions

Exam 400-051 All Questions

View all questions & answers for the 400-051 exam
Go to Exam

Exam 400-051 topic 5 question 12 discussion

Actual exam question from Cisco's 400-051
Question #: 12
Topic #: 5
[All 400-051 Questions]

Which entity signs a Cisco IP phone LSC?

  • A. Godaddy.com Enrollment Server
  • B. Manufacturer Certificate Authority
  • C. Registration Authority
  • D. Certificate Authority Proxy Function
  • E. Cisco Certificate Authority
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
By default, LSC certificates are not installed on Cisco IP phones. Cisco IP phones that are required to use LSC certificates must be provisioned to allow TLS transactions before deployment in the field. LSC certificates can be provisioned to the Cisco IP phones through the Certificate Authority Proxy Function (CAPF) process. This process is completed using TLS and USB tokens coupled with the CTL client. Moreover, the Cisco ASA Phone Proxy feature can serve LSC certificates to the Cisco IP phones. Cisco IP phones will only work with the Cisco ASA Phone Proxy and will not establish secure connectivity with the Cisco
Unified Communications Manager.
by [deleted] at April 3, 2025, 4:17 p.m.

Comments

Chosen Answer:
This is a voting comment (?). It is better to Upvote an existing comment if you don't have anything to add.
Switch to a voting comment New
Submit Cancel
Currently there are no comments in this discussion, be the first to comment!
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel