あなたを余裕で300-820試験合格させます！100%試験高合格率保証 [2022]
300-820問題集本日限定！無料アクセスが可能に！fromGoShiken
質問 30
Which mode should be used when Call Policy is configured on Expressways?
- A. on
- B. extended CPL
- C. local CPL, policy service, and off
- D. remote CPL
正解: C
質問 31
When configuring a Cisco Expressway solution and need to design the dial plan with various rules for URIs and numbers coming through the device. To do so, it is important that some dial plan rules are applied in a certain order. When configuring the transform section, you must know the range of the priorities.
Which range is correct?
- A. any number in the drop-down menu
- B. any number in the dialog box
- C. any number between 1-128
- D. any number between 1-65534
正解: D
質問 32
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 changes all patterns that begin with [email protected]:<port> to [email protected]
- D. It converts [email protected]:<port> to [email protected]
正解: D
質問 33
What is a key configuration requirement for Hybrid Message Service High Availability deployment with multiple IM and Presence clusters?
- A. AXL service should be activated only on the publisher of each IM and Presence cluster.
- B. You must have the Intercluster Sync Agent working across your IM and Presence clusters.
- C. Your IM and Presence Service clusters must have Multiple Device Messaging disabled.
- D. You must have the Intercluster Lookup Service working across all of your IM and Presence clusters.
正解: B
質問 34
Where are voice calls handled in a Cisco Jabber hybrid cloud-based deployment with Cisco Webex Platform Service?
- A. Voice calls use Webex Calling platform for call control and use hybrid media nodes for local conferencing.
- B. Voice calls use local Cisco Unified Communications Manager for all calls.
- C. Voice calls use local media nodes to keep traffic internal for internal traffic and use Webex Calling for external calls.
- D. Voice call use Cisco Unified Communications Manager for local calls and Webex Calling for external calls.
正解: B
質問 35
Which entry in the public (external) DNS is valid to configure DNS SRV records for a Cisco Mobile and Remote Access solution?
- A. _cisco-mra._tls.<domain>
- B. _collab-edge._tls.<domain>
- C. _cisco-uds._tcp.<domain>
- D. _cisco-expwy._tls.<domain>
正解: C
質問 36
Which two statements about Mobile and Remote Access certificate are true? (Choose two.)
- A. Expressway Core can use private CA signed certificate.
- B. Expressway must generate certificate signing request.
- C. Expressway Edge must use public CA signed certificate.
- D. You must upload the root certificates in the phone trust store.
- E. The Jabber client can work with public or private CA signed certificate.
正解: A,B
質問 37
Cisco media traversal technology has enabled a secure environment where internal video endpoints call and receive calls from external video endpoints. How does the Expressway-C and Expressway-E communicate?
- A. Expressway-E establishes an outgoing request to Expressway-C, enabling the Expressway-C in the DMZ to notify the internal Expressway-E of an incoming call from an external endpoint.
- B. Expressway-C establishes an outgoing request to Expressway-E, enabling the Expressway-E in the DMZ to notify the internal Expressway-C of an incoming call from an external endpoint.
- C. Internal endpoints are registered to Expressway-E in the DMZ. Expressway-C, which is also in the DMZ, will receive and make calls on behalf of Expressway-E because they are in the same network.
- D. Internal endpoints are registered to Expressway-C in the DMZ. Expressway-E, which is also in the DMZ, will receive and make calls on behalf of Expressway-C because they are in the same network.
正解: B
質問 38
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
正解: B
質問 39
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. _sip._tcp.cisco.com
- B. _cuplogin._tcp.cisco.com
- C. _collab-edge._tls.cisco.com
- D. _cisco-uds._tcp.cisco.com
正解: A
解説:
Reference:
https://www.ciscolive.com/c/dam/r/ciscolive/emea/docs/2018/pdf/BRKCOL-2018.pdf
質問 40 
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 changes all patterns that begin with [email protected]:<port> to [email protected]
- D. It converts [email protected]:<port> to [email protected]
正解: D
質問 41
When a Cisco Webex Video Mesh Node is configured for an organization, which process does the Webex Teams client use to discover the optimal bridging resource?
- A. a reachable Video Mesh Node and then overflows to the cloud, if needed
- B. the SIP delay header during call setup
- C. the lowest STUN round-trip delay to each node and cloud
- D. an HTTPS speed and latency test to each node and the cloud
正解: A
質問 42
Which two licenses are required for the B2B feature to work? (Choose two.)
- A. Rich Media Sessions
- B. Device Provisioning
- C. Traversal Server
- D. Advanced Networking
- E. TURN Relays
正解: A,C
質問 43
Refer to the exhibit.
When configuring a search rule that routes calls to a zone, what occurs when 13358 is dialed?
- A. 13358 is sent directly to the traversal zone.
- B. 13358 is replaced by 135, and then is sent to the local zone.
- C. 13358 is replaced by 135, and then is sent to the traversal zone.
- D. 13358 is replaced by 135 and remains in the same zone.
正解: A
質問 44
When determining why Mobile and Remote Access to Cisco TelePresence equipment does not work anymore for an organization. There are several administrators and configuration changes could have happened without anyone knowing. Internal communication seems to be working, but no external system can register or call anywhere. Gathering symptoms, you also discover that no internal systems can call out either.
What is TraversalZone missing that causes this issue?
- A. pipe to the DefaultZone
- B. SIP trunk to the DefaultZone
- C. link to the DefaultZone
- D. route pattern to the DefaultZone
正解: B
質問 45
What is the purpose of a transform in the Expressway server?
- A. A transform changes an alias that matches certain criteria into another alias.
- B. A transform changes the audio codec when the call goes through the Expressway.
- C. A transform is used to route calls to a destination.
- D. A transform has the function as a neighbor zone in the Expressway. It creates a connection with another server.
正解: A
質問 46
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. service discovery issues
- C. XMPP bind failures
- D. down Cisco Unified Communications Manager server
正解: C
質問 47
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. Create a presearch transform.
- B. Change the interworking mode to On.
- C. Disable SIP in the external zone.
- D. Change the domain of SIP endpoint A to cisco.com.
正解: B
質問 48
Which statement about scheduling Expressway backups is true?
- A. It is allowed from the application GUI of the Expressway only.
- B. It is allowed from the application CLI and GUI of the Expressway.
- C. It is not supported on the application.
- D. It is allowed from the application CLI of the Expressway only.
正解: C
質問 49
Which step is required when configuring cloud and hybrid deployments for Cisco Jabber?
- A. Add Jabber Users to the Cisco Webex Administration Tool.
- B. Add the Jabber user to Expressway-C.
- C. Add the Jabber user to Expressway-E.
- D. Add the Jabber user to Cisco Unity Connection.
正解: A
質問 50
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. Video Mesh Cluster-2
- B. Cloud Node US-WEST
- C. Both Cloud Node US-EAST and US-WEST
- D. Cloud Node US-EAST
正解: A
質問 51
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