Real 300-820 Exam Questions are the Best Preparation Material

Practice on 2024 LATEST 300-820 Exam Updated 157 Questions

NEW QUESTION # 87
Which step is required when configuring Cisco Webex Hybrid Message Service?

• A. Register Expressway-C to Cisco UCM.
• B. Add Cisco Unity Connection to Expressway-E.
• C. Add Expressway-C and Cisco UCM to the Cisco Webex Cloud.
• D. Register Expressway-C Connector Hosts to the Cisco Webex Cloud.

Answer: D

NEW QUESTION # 88
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 peer address must be the Expressway-E NAT address.
• C. The zone profile must be set to default.
• D. TLS verify must be enabled.

Answer: B

NEW QUESTION # 89
Which two statements about Cisco Webex Video Mesh Nodes are true? (Choose two.)

• A. The cascading traffic between VMN must bypass the firewall.
• B. When Expressway Core works with VMN clusters, Expressway Core decides which VMN is used for signaling/media connection.
• C. When Cisco Unified Communications Manager works with multiple VMNs, Cisco Unified CM decides which VMN is used for signaling connection.
• D. Cloud-registered devices choose a VMN cluster based on the lowest STUN round trip delay.
• E. A VMN can terminate a media connection while operating in maintenance mode.

Answer: C,D

Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Collaboration/hybrid/12x/hybcvd/hms.html

NEW QUESTION # 90
What is the Cisco-recommended key length in bits for a Cisco Expressway certificate?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: A

NEW QUESTION # 91
Between which two DTMF relay methods does the Expressway support interworking? (Choose two.)

• A. passthrough
• B. KPML
• C. unsolicited notify
• D. RFC 2833
• E. H.245 user input indication

Answer: D,E

NEW QUESTION # 92
An administrator has been asked to configure Video Mesh signaling traffic to route through a proxy.
Which is an available proxy type in the Video Mesh node configuration to support this deployment model?

• A. Transparent Inspecting Proxy
• B. Transparent Explicit Proxy
• C. Distorting Proxy
• D. Reverse Proxy

Answer: A

Explanation:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/wbxt/videomesh/cmgt_ b_webex-video-mesh-deployment-guide/cmgt_b_hybrid-media-deployment- guide_chapter_01.html

NEW QUESTION # 93
Refer to the exhibit.

Which two outbound connections should an administrator configure on the internal firewall? (Choose two.)

• A. SIP TCP 5061
• B. SIP: TCP 7001
• C. Media: UDP 36012 to 59999
• D. HTTPS: TCP 8443
• E. XMPP: TCP 7400

Answer: B,E

NEW QUESTION # 94
Which two licenses are required for the B2B feature to work? (Choose two.)

• A. Rich Media Sessions
• B. Advanced Networking
• C. Device Provisioning
• D. Traversal Server
• E. TURN Relays

Answer: A,D

NEW QUESTION # 95
An organization wants to be able to call IP addresses and URI addresses. An engineer must configure Cisco Expressways to manage this request from the endpoints in the organization. How would the engineer configure the Expressways to allow these calls to be completed to external IP addresses?

• A. Set calls to unknown IP addresses to indirect on the Expressway-C and direct on the Expressway-E, and add a search rule on the Expressway-E
• B. Set calls to unknown IP addresses to direct on the Cisco Expressways, and add a search rule on the Expressway-E
• C. Set calls to unknown IP addresses to indirect on the Cisco Expressways, and add a search rule on the Expressway-E
• D. Use search rules to manage calls to IP addresses, and the direct/indirect setting on the Expressway is used as a fallback only if the search rules do not exist

Answer: D

NEW QUESTION # 96
Refer to the exhibit.

Which two numbers match the regular expression? (Choose two.)

• A. d209d165d200d224
• B. d20d16d20d22
• C. 0
• D. 1
• E. 2

Answer: C,D

NEW QUESTION # 97
What are two reasons why port 8443 is unreachable from the Internet to the Expressway-E? (Choose two.)

• A. Transform is not configured on Expressway-E.
• B. The MRA license is missing on the Expressway-E.
• C. The Unified Communications zone is down.
• D. The SRV record for _cisco-uds is misconfigured.
• E. The firewall is blocking the port.

Answer: C,E

NEW QUESTION # 98
Which two types of information does Cisco Expressway back up? (Choose two.)

• A. call records
• B. security certificates
• C. log files
• D. current call states
• E. IP addresses

Answer: A,B

Explanation:
The data saved to a backup file includes:
- Bootstrap key (from X8.11)
- System configuration settings
- Clustering configuration
- Local authentication data (but not Active Directory credentials for remotely managed accounts)
- User account and password details
- Server security certificate and private key
- Call detail records (if the CDR service on Expressway is enabled)
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/admin_guide/Cisco- Expressway-Administrator-Guide-X8-11-4.pdf

NEW QUESTION # 99
Which SIP media encryption mode is applied by default for newly created zones in the Cisco Expressway?

• A. Force Encrypted
• B. C.......
• C. Auto
• D. Best Effort

Answer: C

NEW QUESTION # 100
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 allowed from the application CLI of the Expressway only.
• D. It is not supported on the application.

Answer: D

Explanation:
Scheduling backups is not supported in the Expressway code.

NEW QUESTION # 101
When deploying an Expressway Core and Expressway Edge cluster for mobile and remote access, which TLS verity subject name must be configured on the Expressway-E UC traversal zone?

• A. Expressway-C Cluster Name
• B. Webex CUSP Cluster Name
• C. Cisco Unified Communications Manager Publisher FQDN
• D. Expressway-E Cluster Name

Answer: A

Explanation:
On Expressway E, Enter the name to look for in the traversal client's certificate (must be in either the Subject Common Name or the Subject Alternative Name attributes). If there is a cluster of traversal clients, specify the cluster name here and ensure that it is included in each client's certificate.
Traversal Client is EXP-C
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-
8/Mobile-Remote-Access-via-Expressway-Deployment-Guide-X8-8.pdf

NEW QUESTION # 102
What are two reasons why port 8443 is unreachable from the Internet to the Expressway-E? (Choose two.)

• A. Transform is not configured on Expressway-E.
• B. The MRA license is missing on the Expressway-E.
• C. The SRV record for _cisco-uds is misconfigured.
• D. The Unified Communications zone is down.
• E. The firewall is blocking the port.

Answer: C,E

NEW QUESTION # 103
Which two statements about Zones on Cisco Expressways are correct? (Choose two.)

• A. A neighbor zone connects Cisco Expressway Core to other systems via SIP or H.323.
• B. Endpoints are associated to default subzone or any customized subzone depending on the IP address of the endpoint.
• C. You can register endpoints to default zone.
• D. A neighbor zone connects Cisco Expressway Core to Cisco Expressway for NAT, PAT, and firewall traversal.
• E. Bandwidth for calls between endpoints in the same zone cannot be restricted.

Answer: D,E

NEW QUESTION # 104
What should an engineer use to create users for a Cisco Jabber Cloud Deployment?

• A. Cisco Webex Administration Tool
• B. Cisco Webex Directory Connector
• C. Cisco UCM
• D. Cisco Unified IM and Presence Server

Answer: A

Explanation:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/jabber/12_6/cjab_b_cloud-and-hybrid- deployments-cisco-jabber-12-6/cjab_b_cloud-and-hybrid- deployments-cisco-jabber-12-
6_chapter_0101.html

NEW QUESTION # 105
Which dial plan component is configured in Expressway-C to route a call to the Cisco UCM?

• A. call routing
• B. call policy
• C. traversal subzone
• D. search rule

Answer: A

Explanation:
Reference:
https://cmslab.ciscolive.com/pod8/cucm/expctrunk

NEW QUESTION # 106
An administrator is configuring DNS to allow Mobile and Remote Access logins for the domain cisco.com. Where must the _collab-edge_tls.cisco.com DNS SRV record be configured?

• A. in DNS SRV settings under Cisco Unified OS Administration in Cisco UCM
• B. in DNS settings under Cisco Unified OS Administration in Cisco UCM
• C. in DNS settings in the Expressway-E on the interface that faces the Internet
• D. in the public DNS server

Answer: D

NEW QUESTION # 107
Which connection does the traversal zone configuration define?

• A. Cisco UC and Cisco Unified Presence Server
• B. Cisco Expressway-C and Cisco Expressway-E platforms
• C. Cisco UCS E-Series and Cisco UCM
• D. Expressway-E and Collaboration Endpoints

Answer: B

Explanation:
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-
11/Cisco-Expressway-Basic-Configuration-Deployment-Guide-X8-11-4.pdf

NEW QUESTION # 108
Which two licenses are required for the B2B feature to work? (Choose two.)

• A. Rich Media Sessions
• B. Traversal Server
• C. Device Provisioning
• D. Advanced Networking
• E. TURN Relays

Answer: A,C

NEW QUESTION # 109
......

Cisco 300-820 exam is an important certification exam for IT professionals who work with Cisco collaboration solutions. 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. 300-820 exam covers a wide range of topics related to Cisco collaboration cloud and edge solutions, and candidates will need to have a good understanding of Cisco collaboration solutions and the ability to implement and troubleshoot Cisco cloud and edge solutions to pass the exam.

 

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