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Quiz 2026 Cisco 300-820–The Best Testking

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Cisco Implementing Cisco Collaboration Cloud and Edge Solutions Sample Questions (Q83-Q88):

NEW QUESTION # 83
Refer to the exhibit. While troubleshooting Cisco Jabber login issues, there are some error messages.

Why is the Jabber client unable to sign in?

A. incorrect login credentials
B. XMPP bind failures
C. service discovery issues
D. down Cisco Unified Communications Manager server

Answer: B

Explanation:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X12-
7/exwy_b_mra-deployment/exwy_m_mra-troubleshooting.pdf

NEW QUESTION # 84
Cisco Collaboration endpoints are exchanging encrypted signaling messages.
What is one major complication in implementing NAT ALG for voice and video devices?

A. The NAT ALG cannot inspect the contents of encrypted signaling messages.
B. NAT ALG introduces jitter in the voice path.
C. Source addresses cannot provide the destination addresses that remote endpoints should use for return packets.
D. Internal endpoints cannot use addresses from the private address space.

Answer: A

Explanation:
A NAT ALG is similar to a firewall ALG, but a NAT ALG actually changes (maps) the addresses and ports in the signaling messages. The NAT ALG cannot inspect the contents of encrypted signaling messages.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab11/collab11/security.html
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X14-
0/basic_config/exwy_b_cisco-expressway-e-and-expressway-c-basic-configuration-deployment- guide-x14-0/exwy_m_advanced-networking-deployments.html

NEW QUESTION # 85
Refer to the exhibit. In an environment SIP devices are registered to CUCM and H.323 devices to VCS.

What would be required to enable these calls to setup correctly?

A. Change the domain of SIP endpoint A to cisco.com.
B. Create a presearch transform.
C. Disable SIP in the external zone.
D. Change the interworking mode to On.

Answer: D

NEW QUESTION # 86
Which describes what could do on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?

A. A static NAT route could be added to the firewall to bridge the two networks.
B. The Expressway-E could be enabled for Dual-NIC capability.
C. The Expressway-E could be enabled for interworking.
D. Application layer gateway could be enabled to bridge the media traffic.

Answer: B

NEW QUESTION # 87
Which statement about scheduling Expressway backups is true?

A. It is not supported on the application.
B. It is allowed from the application CLI and GUI of the Expressway.
C. It is allowed from the application GUI of the Expressway only.
D. It is allowed from the application CLI of the Expressway only.

Answer: B

NEW QUESTION # 88
......

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