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Cisco 300-820: Details
The Cisco 300-820 exam has the allocated duration of 90 minutes and is delivered in the English language only. To register for it, you need to create an account with Pearson VUE, the Cisco testing partner, and pay the fee of $300. To prepare for this certification exam, the applicants are recommended to enroll for the official training course, Implementing Cisco Collaboration Cloud and Edge Solutions (CLCEI), offered on the vendor’s webpage.
The successful completion of the Cisco 300-820 test leads to the Cisco Certified Specialist – Collaboration Cloud & Edge Implementation certification and satisfies the concentration exam requirement for the CCNP Collaboration certificate. To earn this professional-level option, the individuals are also required to pass the core test known as Implementing Cisco Collaboration Core Technologies (350-801 CLCOR). The CCNP Collaboration certification is valid for three years from the moment of its obtainment. After the expiration of this term, it must be renewed. The recertification process entails passing extra exams, completing Cisco educational activities, or a combination of both.
Cisco 300-820 certification exam is an important step for professionals who want to demonstrate their expertise in implementing collaboration solutions in the cloud and at the edge. 300-820 exam covers a wide range of topics and is an excellent opportunity for professionals to enhance their skills and knowledge in this domain. Implementing Cisco Collaboration Cloud and Edge Solutions certification is an excellent way to demonstrate your skills and knowledge and advance your career prospects in this field.
NEW QUESTION # 90
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. neighbor zone with the peer address of 203.0.113.5
- B. traversal zone with the peer address 192.168.10.63
- C. traversal zone with the peer address of 203.0.113.5
- D. neighbor zone with the peer address 192.168.10.63
Answer: B
NEW QUESTION # 91
What is the first step to restoring an Expressway cluster from a backup?
- A. use the backup that is specific to each Expressway peer in the cluster
- B. upgrade each Expressway peer to the latest Expressway software
- C. remove each Expressway peer from the cluster
- D. add all the Expressway peers to the cluster
Answer: C
NEW QUESTION # 92
For a Mobile and Remote Access deployment, which server's certificate must include the Unified registration domain as a Subject Alternate Name?
- A. Expressway-C and Expressway-E server certificate
- B. Cisco Unified Communications Manager server certificate
- C. Expressway-C server certificate
- D. C.Expressway-E server certificate
Answer: D
NEW QUESTION # 93
Which media encryption mode can be configured on an Expressway zone?
- A. force unencrypted
- B. IPsec
- C. Triple Data Encryption Standard
- D. Advanced Encryption Standard
Answer: D
NEW QUESTION # 94
Refer to the exhibit.
Which two numbers match the regular expression? (Choose two.)
- A. 0
- B. 1
- C. 2
- D. d209d165d200d224
- E. d20d16d20d22
Answer: A,C
NEW QUESTION # 95
Which two statements about Expressway-C / Expressway-E Firewall Traversal are correct?
(Choose two.)
- A. The communications between Expressway-C and Expressway-E are always initiated from the Expressway-E to the Expressway-C.
- B. SIP or H.323 "fixup" ALG or awareness functionality must be enabled on the NAT firewalls.
- C. The communications between Expressway-C and Expressway-E are always initiated from the Expressway-C to the Expressway-E.
- D. SIP or H.323 "fixup" ALG or awareness functionality must be enabled on the NAT firewall between the DMZ and the Internet only.
- E. SIP or H.323 "fixup" ALG or awareness functionality must be disabled on the NAT firewalls.
Answer: C,E
NEW QUESTION # 96
Which two licenses are required for the B2B feature to work? (Choose two.)
- A. Rich Media Sessions
- B. Advanced Networking
- C. Traversal Server
- D. Device Provisioning
- E. TURN Relays
Answer: A,E
NEW QUESTION # 97
For a Mobile and Remote Access deployment, which server's certificate must include the Unified registration domain as a Subject Alternate Name?
- A. Expressway-C and Expressway-E server certificate
- B. Cisco Unified Communications Manager server certificate
- C. Expressway-C server certificate
- D. Expressway-E server certificate
Answer: D
Explanation:
The Expressway-E server certificate needs to include the following elements in its list of subject alternative names (SAN):
- Unified CM registrations domains
- XMPP federation domains
- IM and Presence chat node aliases (federated group chat)
NEW QUESTION # 98
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 _cisco-uds SRV record has been configured.
- B. Ensure that the SIP domains are added on Expressway Core.
- C. Ensure that the credential has been entered correctly.
- D. Ensure that the peer address does not match the Common Name on certificate.
Answer: C
NEW QUESTION # 99
Refer to the exhibit.
If the Webex Teams device cannot connect to Video Mesh Cluster-1 because it is busy, which media node does the Webex Teams device connect to next?
- A. Cloud Node US-EAST
- B. Cloud Node US-WEST
- C. Both Cloud Node US-EAST and US-WEST
- D. Video Mesh Cluster-2
Answer: D
NEW QUESTION # 100
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-E does not have the FQDN of Cisco UCM listed as a SAN in its certificate
- B. The Expressway-C is missing the FQDN of Cisco UCM in the Common Name of its certificate
- 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 certificate includes the Expressway-C FQDN as a SAN entry
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 # 101 
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. Disable SIP in the external zone.
- B. Change the domain of SIP endpoint A to cisco.com.
- C. Create a presearch transform.
- D. Change the interworking mode to On.
Answer: D
NEW QUESTION # 102
When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?
- A. SIP record route
- B. SDP m-line
- C. SDP c-line
- D. SDP b-line
Answer: C
NEW QUESTION # 103
While troubleshooting a connectivity issue between Cisco Unified Communications Manager, Expressway-C, and Expressway-E, an engineer sees this output in the Expressway-E logs.
Event="Authentication Failed" Service="SIP" Src-ip="10.50.2.1" Src-port="25723" Detail="Incorrect authentication credential for user" Protocol "TLS" Method="OPTIONS" Level="1" What is the cause of this issue?
- A. The Expressway-C Traversal Client username/password do not match the Expressway-E Traversal Server username/password.
- B. The Expressway-C Traversal Zone username/password do not match the Expressway-E Traversal Client username/password.
- C. The Expressway-C Traversal Server username/password do not match the Expressway-E Traversal Zone username/password.
- D. The Expressway-C Traversal Zone username/password do not match the Expressway-E Traversal Zone username/password.
- E. The Expressway-C Traversal Server username/password do not match the Expressway-E Traversal Client username/password.
Answer: A
NEW QUESTION # 104
An engineer is deploying an Expressway solution for the SIP domain Cisco.com. Which SRV record should be configured in the public DNS to support inbound B2B calls?
- A. _collab-edge._tls.cisco.com
- B. _cisco-uds._tcp.cisco.com
- C. _cuplogin._tcp.cisco.com
- D. _sip._tcp.cisco.com
Answer: D
Explanation:
Reference:
https://www.ciscolive.com/c/dam/r/ciscolive/emea/docs/2018/pdf/BRKCOL-2018.pdf
NEW QUESTION # 105
What is one of the user-related prerequisites for Jabber Team Messaging Mode Installation?
- A. Create user accounts in Cisco Webex Control Hub only.
- B. Create user accounts in Cisco Unified IM and Presence.
- C. Create user accounts in Cisco Unified Communications Manager only.
- D. Create user accounts in Cisco Unified CM and Cisco Webex Control Hub.
Answer: D
NEW QUESTION # 106
Which two statements about Expressway media traversal are true? (Choose two.)
- A. Cisco Unified Communications Manager zone can be either traversal server or client.
- B. The Unified Communications traversal zone can be used for Mobile and Remote Access.
- C. Expressway Control is the traversal server installed in the DMZ.
- D. The Expressway Edge must be put in a firewall DMZ segment.
- E. Both Expressway Edge interfaces can be NATed.
Answer: B,D
NEW QUESTION # 107
An organization with a domain name of example.com.
Which two SRV records are valid for a SIP and H.323 communication? (Choose two.)
- A. _h323ls._tcp.example.com
- B. _h323ls._udp.example com
- C. _sips._udp.example.com
- D. _collab-edge._tls.example.com
- E. _sips._tcp.example.com
Answer: B,E
NEW QUESTION # 108
Refer to the exhibit.
Which description of the transformation is true?
- A. It converts [email protected]:<port> to [email protected]
- B. It changes [email protected]:<port> to [email protected]
- C. It converts [email protected]:<port> to [email protected]
- D. It changes all patterns that begin with [email protected]:<port> to [email protected]
Answer: A
NEW QUESTION # 109
Refer to the exhibit.
What is the result of a transformation applied to alias 88514?
- A. [email protected]
- B. [email protected]
- C. [email protected]
- D. 88513@ccnpcollab com
Answer: C
NEW QUESTION # 110
A company is installing Cisco Collaboration infrastructure and one of the requirements is that they must be able to communicate with many external parties that are using H.323 and SIP. Internally they want to register the endpoints only on SIP.
Which functionality would describe the feature that needs to be enabled and where to achieve this?
- A. Transcoding in Expressway-C
- B. Interworking in Expressway-C
- C. Transcoding in Cisco Unified Communications Manager
- D. Interworking in Cisco Unified Communications Manager
Answer: B
NEW QUESTION # 111
What is a description of an Interactive Connectivity Establishment?
- A. It is used to find the best media path between network elements in traversal calls.
- B. It is used by B2BUA to keep the firewall ports opened for inbound/outbound calls.
- C. It allows calling external endpoints with reduced overhead under VPN connections.
- D. It allows Mobile and Remote Access endpoints to connect video calls signaling peer-to-peer.
Answer: D
NEW QUESTION # 112
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. service discovery issues
- B. incorrect login credentials
- C. XMPP bind failures
- D. down Cisco Unified Communications Manager server
Answer: C
NEW QUESTION # 113
Which configuration is required when implementing Mobile and Remote Access on Cisco Expressway?
- A. Cisco Unified CM publisher address
- B. SSO
- C. SAML authentication
- D. IPS
Answer: A
NEW QUESTION # 114
Which connection does the traversal zone configuration define?
- A. Cisco UCS E-Series and Cisco UCM
- B. Expressway-E and Collaboration Endpoints
- C. Cisco UC and Cisco Unified Presence Server
- D. Cisco Expressway-C and Cisco Expressway-E platforms
Answer: D
NEW QUESTION # 115
......
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