Cisco® 300-820 Exam (page: 2)
Cisco® Implementing Collaboration Cloud and Edge Solutions
Updated on: 25-Dec-2025

Viewing Page 2 of 31

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

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

Answer(s): B



What are two reasons why port 8443 is unreachable from the Internet to the Expressway-E? (Choose two.)

  1. The MRA license is missing on the Expressway-E.
  2. The Unified Communications zone is down.
  3. Transform is not configured on Expressway-E.
  4. The SRV record for _cisco-uds is misconfigured.
  5. The firewall is blocking the port.

Answer(s): D,E



Which media encryption mode can be configured on an Expressway zone?

  1. Advanced Encryption Standard
  2. IPsec
  3. Triple Data Encryption Standard
  4. force unencrypted

Answer(s): A



What is the purpose of a transform in the Expressway server?

  1. A transform has the function as a neighbor zone in the Expressway. It creates a connection with another server.
  2. A transform changes the audio codec when the call goes through the Expressway.
  3. A transform is used to route calls to a destination.
  4. A transform changes an alias that matches certain criteria into another alias.

Answer(s): D



An organization with a domain name of example.com.
Which two SRV records are valid for a SIP and H.323 communication? (Choose two.)

  1. _sips._tcp.example.com
  2. _sips._udp.example.com
  3. _h323ls._udp.example com
  4. _h323ls._tcp.example.com
  5. _collab-edge._tls.example.com

Answer(s): A,C



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Share your comments for Cisco® 300-820 exam with other users:

anonymous 1/12/2024 3:34:00 PM

question 16 should be b (changing the connector settings on the monitor) pc and monitor were powered on. the lights on the pc are on indicating power. the monitor is showing an error text indicating that it is receiving power too. this is a clear sign of having the wrong input selected on the monitor. thus, the "connector setting" needs to be switched from hdmi to display port on the monitor so it receives the signal from the pc, or the other way around (display port to hdmi).
UNITED STATES


NSPK 1/18/2024 10:26:00 AM

q 10. ans is d (in the target org: open deployment settings, click edit next to the source org. select allow inbound changes and save
Anonymous


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Anonymous


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Anonymous


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Anonymous


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