Practice 300-820 Exams - 300-820 Guaranteed Passing

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Cisco 300-820 exam is ideal for IT professionals who are responsible for managing and deploying collaboration solutions in an enterprise environment. 300-820 exam is also suitable for individuals who are looking to enhance their skills and knowledge in the area of cloud-based collaboration solutions. 300-820 Exam requires the candidates to possess a strong understanding of Cisco collaboration technologies, cloud computing, and edge technologies.

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Cisco 300-820 exam is an essential certification for those who want to demonstrate their expertise in implementing Cisco Collaboration Cloud and Edge Solutions. It provides candidates with the knowledge and skills required to configure, deploy, and troubleshoot these solutions. By passing 300-820 Exam, candidates can earn the Cisco Certified Specialist - Collaboration Cloud and Edge Implementation certification and advance their careers in the field of collaboration and communication technologies.

Cisco Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 Sample Questions (Q126-Q131):

NEW QUESTION # 126
What happens to the encrypted signaling traffic of a collaboration device if you place it inside a firewall with private IP addresses and try to make a call over IP without any collaboration infrastructure?

A. The signaling makes it back to the endpoint because the firewall is an application layer gateway and provides address translation.
B. The signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint.
C. Encrypted IP traffic for collaboration devices always is trusted by the firewall.
D. The signaling does not make it back to the endpoint because the firewall cannot inspect encrypted traffic.

Answer: D

NEW QUESTION # 127
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

NEW QUESTION # 128
Refer to the exhibit.

Refer to the exhibit. When Expressway-E routes a call with URI 4040@uclab.local to a DNS zone, which DNS server does the Expressway query for the SIP SRV records?

A. 10.30.30.30
B. 10.40.40.40
C. 10.10.10.10
D. 10.20.20.20

Answer: D

NEW QUESTION # 129
What is a requirement when configuring the Cisco Webex Hybrid Message account for accessing the API of the Cisco UCM IM and Presence Service?

A. Use an application user with only the "Standard CTI Allow Control of All Devices" role
B. Use the main administrator account if it includes the "Standard AXL API Access" role
C. Add a new end-user with the "Standard AXL API Access" role
D. Use an application user not the main administrator account with the "Standard AXL API Access" role

Answer: D

NEW QUESTION # 130
After enabling Media Optimization for Webex Calling, a company begins experiencing intermittent one-way audio on calls between Webex App users and PSTN endpoints. Internal calls between Webex users work normally, and SIP signaling completes successfully without errors. Call flow traces show that the Webex App attempts to create a direct media path to the Local Gateway, but the negotiation frequently fails, which causes an inconsistent fallback to relay media. This behavior mirrors the audio issues reported by users. Which area must be examined first to help identify the root cause of the one-way audio?

A. Evaluate the codec negotiation path in the Webex Calling region settings to confirm that all participants support the same media capabilities for optimized call.
B. Inspect SIP session refresh and keepalive intervals on the Local Gateway to verify that they align with recommended cloud signaling timers during optimized media calls.
C. Review firewall handling of ICE-related traffic to ensure that required STUN/TURN/UDP flows and candidate exchanges are not being blocked or altered during media negotiation.
D. Examine Webex App diagnostics for signs of media-engine adaptation failures, including jitter buffering anomalies or RTP flow suppression during network transitions.

Answer: C

Explanation:
Webex Calling Media Optimization relies on ICE negotiation to establish the best media path, including direct media when possible. If calls to PSTN through the Local Gateway intermittently fail to establish the direct path and fallback is inconsistent, the first area to check is whether firewalls or NAT devices are blocking or modifying STUN, TURN, UDP media flows, or ICE candidate exchanges required for successful media negotiation.

NEW QUESTION # 131
......

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