[Aug-2026] 300-820 Exam Dumps Pass with Updated 2026 Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0
Free 300-820 Exam Dumps to Pass Exam Easily
Cisco 300-820 exam is an important certification exam for IT professionals who work with Cisco collaboration solutions. Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 certification exam validates the candidate's expertise in implementing and troubleshooting Cisco cloud and edge solutions, which are essential for organizations that rely on collaboration solutions to improve productivity and efficiency. Successful candidates will be able to implement and troubleshoot Cisco cloud collaboration solutions and edge architectures, which are critical for organizations that need to collaborate with employees, partners, and customers around the world.
NEW QUESTION # 40
Refer to the exhibit. When Expressway-E routes a call with URI [email protected] to a DNS zone, which DNS server does the Expressway query for the SIP SRV records?
- A. 10.10.10.10
- B. 10.20.20.20
- C. 10.40.40.40
- D. 10.30.30.30
Answer: B
NEW QUESTION # 41
Refer to the exhibit.
When configuring a search rule that routes calls to a zone, what occurs when 13358 is dialed?
- A. 13358 is replaced by 135, and then is sent to the traversal zone.
- B. 13358 is sent directly to the traversal zone.
- C. 13358 is replaced by 135 and remains in the same zone.
- D. 13358 is replaced by 135, and then is sent to the local zone.
Answer: B
NEW QUESTION # 42
Refer to the exhibit showing logs from the Expressway-C, a copy of the Expressway-E certificate, and the UC traversal zone configuration for the Expressway-C.
An office administrator is deploying mobile and remote access and sees an issue with the UC traversal zone. The zone is showing "TLS negotiation failure". What is causing this issue?
- A. The Expressway-C is missing the FQDN of Cisco UCM in the Common Name of its certificate
- B. The Expressway-E certificate includes the Expressway-C FQDN as a SAN entry
- C. In the UC Traversal Zone on the Expressway-C, the peer address is set to the IP of the Expressway- E, which is not a SAN entry in the Expressway-E certificate
- D. The Expressway-E does not have the FQDN of Cisco UCM listed as a SAN in its certificate
Answer: C
Explanation:
Note that if you use an IP address (not recommended), that address must be present in the Expressway-E server certificate.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X14-0-
1/mra/exwy_b_mra-deployment-guide-x1401/exwy_m_basic-configuration.html
NEW QUESTION # 43
An engineer must configure the zone to connect to an Expressway-E using Single NIC with NAT. The internal IP address is 192.168.10.63, and the NAT address is 203.0.113.5. What must the engineer configure on the Expressway-C to meet this requirement?
- A. traversal zone with the peer address of 203.0.113.5
- B. traversal zone with the peer address 192.168.10.63
- C. neighbor zone with the peer address 192.168.10.63
- D. neighbor zone with the peer address of 203.0.113.5
Answer: A
NEW QUESTION # 44
An external Jabber device cannot register. While troubleshooting this issue, the engineer discovers that privately signed certificates are being used on Expressway-C and Expressway-E.
What action will resolve this issue?
- A. The Jabber client must register to the Cisco UCM internally before it will register externally.
- B. The device running the Jabber client must use a VPN to register.
- C. The private CA certificate must be placed in the phone trust store.
- D. The device running the Jabber client must download and trust the private CA certificate.
Answer: D
NEW QUESTION # 45
What is a benefit of Cisco Webex Messenger Cloud deployment?
- A. Cloud deployment is more secure than an on-premises deployment.
- B. Cloud deployment allows interoperability between Cisco Jabber and Webex Teams users.
- C. Cloud deployment is taster than using an on-premises deployment.
- D. There is no additional cost to use a cloud deployment.
Answer: C
NEW QUESTION # 46
Which two statements about Mobile and Remote Access certificate are true? (Choose two.)
- A. Expressway Edge must use public CA signed certificate.
- B. Expressway Core can use private CA signed certificate.
- C. The Jabber client can work with public or private CA signed certificate.
- D. You must upload the root certificates in the phone trust store.
- E. Expressway must generate certificate signing request.
Answer: B,E
NEW QUESTION # 47
Refer to the exhibit.
Mobile Cisco Jabber cannot register with on-premises Cisco Unified Communications Manager using Mobile and Remote Access. Some logs were captured on Expressway Edge.
Which action corrects this problem?
- A. Ensure that the peer address does not match the Common Name on certificate.
- B. Ensure that the _cisco-uds SRV record has been configured.
- C. Ensure that the credential has been entered correctly.
- D. Ensure that the SIP domains are added on Expressway Core.
Answer: C
NEW QUESTION # 48
A user reports that they experienced audio dropouts during a Webex meeting two weeks ago. An administrator discovers that the meeting had participants from multiple regions and the audio issue was reported by users in one region. What is the most effective way to locate and review troubleshooting data for this meeting in Control Hub?
- A. Contact Cisco support to provide a full diagnostics report for all meetings in the last month.
- B. Filter the troubleshooting dashboard by 'meeting type" and review ongoing meetings.
- C. Use the Search bar in Control Hub to search for the meeting by host email, and specify the correct time zone in the calendar filter.
- D. Manually convert time zones for every participant, then search by device MAC address.
Answer: C
Explanation:
Control Hub troubleshooting allows administrators to search for a specific Webex meeting using details such as the host email and time range. Setting the correct time zone in the calendar filter helps locate historical meeting data accurately, especially when participants joined from multiple regions.
NEW QUESTION # 49
A Webex administrator is configuring the Webex Control Hub to enable enterprise users to sign into Webex securely by authenticating to the IdP of the organization. To conform to the SAML specification, to what can the NameID format be set?
- A. urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress
- B. urn:oasis:names:tc:SAML:2.0:nameid-format:transient
- C. urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress
- D. urn:oasis:names:tc:SAML:2.0:nameid-format:unspecified
Answer: D
NEW QUESTION # 50
Within which cache timeline do the Webex App endpoints perform a STUN test to calculate round-trip delay time to available media node clusters?
- A. 6 hours
- B. 1 hour
- C. 4 hours
- D. 2 hours
Answer: D
NEW QUESTION # 51
Which 16-digit number is unique to a serial number and is used to enable the system?
- A. release key
- B. Expressway series
- C. RMS license key
- D. option key
Answer: A
NEW QUESTION # 52
A Cisco UCM traversal zone connection fails between Cisco Expressway-C and Expressway-E.
Configuration of the zones on both Expressway servers is verified as successful. What are two causes of the failure? (Choose two.)
- A. Expressway-E is missing the certification authority certificate of Expressway-C.
- B. A DNS SRV record of _collab-edge._tls fails to resolve to the correct domain.
- C. Expressway-C is missing the certification authority certificate of Expressway-E.
- D. The Expressway servers are missing mutual Mobile and Remote Access certificates.
- E. The call manager certificate must be uploaded to Expressway-C.
Answer: A,C
Explanation:
A traversal zone connection between Expressway-C and Expressway-E uses mutual TLS authentication. For this to succeed, each Expressway must trust the certificate of the other. This requires uploading the certificate authority (CA) certificate that signed the peer Expressway's certificate.
- If Expressway-C does not trust Expressway-E's CA, the TLS handshake fails.
- If Expressway-E does not trust Expressway-C's CA, the TLS handshake also fails.
NEW QUESTION # 53
Which statement about scheduling Expressway backups is true?
- A. It is allowed from the application CLI and GUI of the Expressway.
- B. It is allowed from the application GUI of the Expressway only.
- C. It is not supported on the application.
- D. It is allowed from the application CLI of the Expressway only.
Answer: C
NEW QUESTION # 54
Which two statements about Mobile and Remote Access certificate are true? (Choose two.)
- A. Expressway Edge must use public CA signed certificate.
- B. Expressway Core can use private CA signed certificate.
- C. The Jabber client can work with public or private CA signed certificate.
- D. You must upload the root certificates in the phone trust store.
- E. Expressway must generate certificate signing request.
Answer: A,B
Explanation:
Public vs. Private Certificate Authority (CA)
There are a number of options to sign certificates on the Expressway-C and E servers. You can opt to have the Certificate Signing Request (CSR) signed by a public CA such as GoDaddy, Verisign, or others, or you can sign it internally using your own Certificate Authority (CA) (can either be self signed using openSSL or an internal enterprise CA such as a Microsoft Windows server).
The only server that is really required to be signed by a public CA is the Expressway-E. This is the only server that clients will see the certificate from when singing in via MRA therefore using a public CA will ensure that users do not have to manually accept the certificate. Using an internal CA to sign the Expressway-E will work but first time users will be prompted to accept the untrusted certificate. MRA registration of 7800 and 8800 series phones also will not work with internal certificates because their certificate trust list cannot be modified. For simplicity it is suggested that your Expressway-C and Expressway-E certificates both be signed by the same CA however this is not a requirement as long as you properly configured the trusted CA lists on both servers.
https://www.cisco.com/c/en/us/support/docs/unified-communications/expressway/213872- configure-and-troubleshoot-collaboration.html
NEW QUESTION # 55
An engineer reviews the configuration of a pair of Expressway servers for a company with the domain example.com. The company allows toll fraud calls to reach the Cisco UCM only when it expects externally registered devices to call internal 5-digit extensions. The search history shows that the fraudulent calls have a destination URI of 8 or more digits and several domains. What must the engineer configure to prevent all toll fraud calls from going past the Expressway-E to the internal network?
- A. search rules to only route calls with a destination domain of example.com on the Expressway-E
- B. CPL that blocks calls with a destination domain other than example.com on the Expressway-C.
- C. search rules to only route calls with a destination URI of 5 to 8 digits long on the Expressway-E
- D. CPL to block calls with a destination URI with 8 or more digits on the Expressway-E
Answer: D
NEW QUESTION # 56
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. down Cisco Unified Communications Manager server
- C. XMPP bind failures
- D. service discovery issues
Answer: C
NEW QUESTION # 57
A company decided to gradually move to the Cisco Webex Cloud from a Cisco on-premises solution. One step is to configure a Cisco Hybrid Services connector. Where must an engineer make this configuration?
- A. Enable the Hybrid Services service on the Cisco UCM to allow the on-premises call control to establish a hybrid link to the Cisco Webex Cloud.
- B. Deploy the Cisco Hybrid Services connector, which is an on-premises node, to allow for multiple Cisco collaboration environments to connect to Cisco Webex.
- C. Configure Hybrid Services in Cisco Webex Control Hub in the Cisco Webex Cloud to enable Hybrid Services.
- D. Configure Hybrid Service in the Cisco Expressway-E in the DMZ to connect to the Cisco Webex Cloud.
Answer: C
NEW QUESTION # 58
An Expressway-E is configured using a single NIC with NAT.
How must the Expressway-C traversal client zone be configured to connect to the Expressway-E?
- A. The peer address must be the Expressway-E LAN 1 IP address.
- B. The zone profile must be set to default.
- C. The peer address must be the Expressway-E NAT address.
- D. TLS verify must be enabled.
Answer: A
NEW QUESTION # 59
Why would a Cisco Jabber contact under Hybrid Messaging Integration be grayed out?
- A. The contact was using only Cisco Webex Teams and changed the status to Away.
- B. The other user has not used Cisco Webex Teams or Jabber within the last 72 hours, so they are offline.
- C. The contact set Out of the Office for Cisco Webex Teams.
- D. The contact uses Cisco Webex Teams and Jabber and remains as Do not Disturb for 30 minutes.
Answer: B
NEW QUESTION # 60
Refer to the exhibit.
A new neighbor zone is added for a new Cisco Meeting Server, but the zone is showing a SIP status of failed from the time the zone it was created. What should be done to resolve this issue?
- A. The existing zone using ID 7 must be deleted
- B. The search rule must be changed to continue on match
- C. More bandwidth must be added to the appropriate pipes
- D. The underlying DNS issue must be resolved
Answer: D
NEW QUESTION # 61
A Webex administrator is configuring the Webex Control Hub to enable enterprise users to sign into Webex securely by authenticating to the IdP of the organization. To conform to the SAML specification, to what can the NameID format be set?
- A. urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress
- B. urn:oasis:names:tc:SAML:2.0:nameid-format:unspecified
- C. urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress
- D. urn:oasis:names:tc:SAML:2.0:nameid-format:transient
Answer: D
Explanation:
https://help.webex.com/en-us/article/lfu88u/Single-Sign-On-Integration-in-Control- Hub#CMGT_TP_S41BS518_00
NEW QUESTION # 62
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