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Exam 300-820 topic 1 question 107 discussion

Actual exam question from Cisco's 300-820
Question #: 107
Topic #: 1
[All 300-820 Questions]



Refer to the exhibit. Call policy rules on an Expressway-E prevent external callers from the internet from calling a VIP whose URI is [email protected]. Which additional configuration setting is required for this call policy to function as intended?

  • A. The default zone on the Expressway-E must not be configured to treat as authenticated.
  • B. A search rule must be configured with an extract match for [email protected] to pass the call to the Expressway-C.
  • C. The Cisco TelePresence endpoint registered with the URI [email protected] must be set in “do not disturb” mode.
  • D. SIP TLS must be disabled on the Expressway-E.
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Suggested Answer: A 🗳️
by Collabinski at Jan. 29, 2023, 1:20 a.m.

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Collabinski
1 year ago
Authentication Policy Configuration Options Authentication policy behavior varies for H.323 messages, SIP messages received from local domains and SIP messages from non-local domains. The primary authentication policy configuration options and their associated behavior are as follows: • Check credentials: Verify the credentials using the relevant authentication method. (prevents external callers) • Do not check credentials: Do not verify the credentials and allow the message to be processed. (does not prevent external callers) • Treat as authenticated: Do not verify the credentials and allow the message to be processed as if it is has been authenticated. (does not prevent external callers) This option can be used to cater for endpoints from third-party suppliers that do not support authentication within their registration mechanism. https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/admin_guide/X14-0-2/exwy_b_cisco-expressway-administrator-guide-x1402/exwy_m_device-authentication.html
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