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Question #1
Which two statements about Mobile and Remote Access certificate are true? (Choose two.)
A. Expressway Core can use private CA signed certificate
B. You must upload the root certificates in the phone trust store
C. Expressway must generate certificate signing request
D. Expressway Edge must use public CA signed certificate
E. The Jabber client can work with public or private CA signed certificate
View answer
Correct Answer: CD

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Question #2
When deploying an Expressway Core and Expressway Edge cluster for mobile and remote access, which TLS verity subject name must be configured on theExpressway-E UC traversal zone?
A. ebex CUSP Cluster Name
B. xpressway-E Cluster Name
C. isco Unified Communications Manager Publisher FQDN
D. xpressway-C Cluster Name
View answer
Correct Answer: B
Question #3
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. raversal Zone
B. ny
C. eighbor Zone
D. ll
View answer
Correct Answer: C
Question #4
Which step is required when configuring cloud and hybrid deployments for Cisco Jabber?
A. dd the Jabber user to Cisco Unity Connection
B. dd the Jabber user to Expressway-E
C. dd the Jabber user to Expressway-
D. dd Jabber Users to the Cisco Webex Administration Tool
View answer
Correct Answer: D
Question #5
In a Mobile and Remote Access deployment, where must communications be encrypted with TLS?
A. ink to the DefaultZone
B. ipe to the DefaultZone
C. IP trunk to the DefaultZone
D. oute pattern to the DefaultZone
View answer
Correct Answer: A
Question #6
What is the purpose of a transform in the Expressway server?
A. transform has the function as a neighbor zone in the Expressway
B. transform changes the audio codec when the call goes through the Expressway
C. transform is used to route calls to a destination
D. transform changes an alias that matches certain criteria into another alias
View answer
Correct Answer: D
Question #7
When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?
A. DP b-line
B. IP record route
C. DP c-line
D. DP m-line
View answer
Correct Answer: C
Question #8
Refer to the exhibit. The administrator attempted to log in, but Jabber clients cannot log in via mobile and remote access. How is this issue resolved?
A. kype for Business mode must be disabled on the DNS server because it conflicts with Jabber login requirements
B. he domain pod1
C. DNS SRV record must be created for _collab-edge
D. he username jabberuser@pod1
View answer
Correct Answer: C
Question #9
Refer to the exhibit. An engineer is deploying mobile and remote access in an environment that already had functioning Business to Business calling. Mobile and remote access SIP registrations are failing. To troubleshoot, SIP logs were collected. How is this issue resolved?
A. Change the SIP profile on the SIP trunk for the Expressway-E to Standard SIP Profile for TelePresence Endpoint
B. Change the ?€Incoming Port?€ in the SIP Trunk Security Profile for the Expressway-C to not match SIP line registrations
C. Enable autoregistration for the appropriate DN range on the Cisco UCM servers running the CallManager service
D. Write a custom normalization script since the ?€vcs-interop?€ normalization script does not allow registrations
View answer
Correct Answer: B
Question #10
How does an administrator configure an Expressway to make sure an external caller cannot reach a specific internal address?
A. lock the call with a call policy rule in the Expressway-E
B. dd the specific URI in the firewall section of the Expressway and block it
C. onfigure FAC for the destination alias on the Expressway
D. dd a search rule route all calls to the Cisco UCM
View answer
Correct Answer: C
Question #11
A company already has a Cisco Unified Communications Manager for internal audio and video traffic, but it requires video communication with external partners and customers. It is important to ensure security for the deployment and the connectivity.What must be set up to enable this requirement?
A. isco Unified Border Element and Cisco ASA Firewall
B. isco Unified Border Element and Cisco Firepower Firewall
C. isco Expressway-C and Cisco Expressway-E
D. isco Expressway-C and Cisco Unified Border Element
View answer
Correct Answer: C
Question #12
A company already has a Cisco Unified Communications Manager for internal audio and video traffic, but it requires video communication with external partners and customers. It is important to ensure security for the deployment and the connectivity.What must be set up to enable this requirement?
A. isco Unified Border Element and Cisco ASA Firewall
B. isco Unified Border Element and Cisco Firepower Firewall
C. isco Expressway-C and Cisco Expressway-E
D. isco Expressway-C and Cisco Unified Border Element
View answer
Correct Answer: C
Question #13
Which complication does a NAT introduce in SDP for a SIP call?
A. dditional headers due to NAT encapsulation can cause the packet size to exceed the MTU
B. hen the client is behind a NAT they may be unable to determine the appropriate offset due to time zones
C. he IP address specified in the connection data field may be an unrouteable internal address
D. he encryption keys advertised in the SDP are only valid for clients not behind a NAT
View answer
Correct Answer: C
Question #14
Which configuration is required when implementing Mobile and Remote Access on Cisco Expressway?
A. PS
B. AML authentication
C. isco Unified CM publisher address
D. SO
View answer
Correct Answer: C
Question #15
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. nterworking in Expressway-C
B. ranscoding in Cisco Unified Communications Manager
C. ranscoding in Expressway-C
D. nterworking in Cisco Unified Communications Manager
View answer
Correct Answer: B
Question #16
Refer to the exhibit. Which inbound connection should an administrator configure on the outside firewall?
A. edia: UDP 36000 to 36011
B. MPP: TCP 5222
C. IP: TCP 5061
D. TTPS (tunneled over SSH between C and E): TCP 2222
View answer
Correct Answer: C
Question #17
01. Between which two DTMF relay methods does the Expressway support interworking?
A. nsolicitednotify
B. FC2833
C. PML
D. assthrough
View answer
Correct Answer: B
Question #18
What allows endpoints behind a NAT to discover the paths through which they will pass media?
A. xpressway-E and Collaboration Endpoints
B. isco UCS E-Series and Cisco UCM
C. isco UC and Cisco Unified Presence Server
D. isco Expressway-C and Cisco Expressway-E platforms
View answer
Correct Answer: D
Question #19
Which step is taken when configuring a Cisco Expressway solution?
A. onfigure the Expressway-E by using a non-traversal server zone
B. nable static NAT on the Expressway-E only
C. isable H
D. nable H
View answer
Correct Answer: B
Question #20
Which two statements about Mobile and Remote Access certificate are true? (Choose two.)
A. isco Expressway-E and endpoints outside the enterprise
B. isco Expressway-C, Cisco Unified Communications Manager, and IM&P
C. isco Expressway-C, Cisco Expressway-E, and Cisco Unified Communications Manager
D. isco Expressway-C, Cisco Expressway-E, and endpoints outside the enterprise
View answer
Correct Answer: CD
Question #21
Which entry in the public (external) DNS is valid to configure DNS SRV records for a Cisco Mobile and Remote Access solution?
A. _cisco-uds
B. _cisco-mra
C. _collab-edge
D. _cisco-expwy
View answer
Correct Answer: A
Question #22
Which describes what could done on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?
A. pplication layer gateway could be enabled to bridge the media traffic
B. static NAT route could be added to the firewall to bridge the two networks
C. he Expressway-E could be enabled for Dual-NIC capability
D. he Expressway-E could be enabled for interworking
View answer
Correct Answer: C
Question #23
08. For a Mobile and Remote Access deployment, which server's certificate must include the Unified registration domain as a Subject Alternate Name?
A. xpressway-Cservercertificate
B. iscoUnifiedCommunicationsManagerservercertificate
C. xpressway-Eservercertificate
D. xpressway-CandExpressway-Eservercertificate
View answer
Correct Answer: C
Question #24
10. 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. helowestSTUNround-tripdelaytoeachnodeandcloud
B. reachableVideoMeshNodeandthenoverflowstothecloud,ifneeded
C. heSIPdelayheaderduringcallsetup
D. nHTTPSspeedandlatencytesttoeachnodeandthecloud
View answer
Correct Answer: B
Question #25
Which statement about the Cisco Webex hybrid service is true?
A. Expressway Connector is required for an on-premises Exchange server
B. Hybrid Message service works only with Jabber cloud deployment
C. Directory Connector is required for Azure AD
D. Directory Connector must be deployed for OBTP to work with on-premises video devices
View answer
Correct Answer: D
Question #26
Refer to the exhibit. The administrator attempted to log in, but Jabber clients cannot log in via mobile and remote access. How is this issue resolved?
A. Skype for Business mode must be disabled on the DNS server because it conflicts with Jabber login requirements
B. The domain pod1
C. A DNS SRV record must be created for _collab-edge
D. The username jabberuser@pod1
View answer
Correct Answer: C
Question #27
Which statement about the Cisco Webex hybrid service is true?
A. xpressway Connector is required for an on-premises Exchange server
B. ybrid Message service works only with Jabber cloud deployment
C. irectory Connector is required for Azure AD
D. irectory Connector must be deployed for OBTP to work with on-premises video devices
View answer
Correct Answer: D
Question #28
Which role does Call Policy play when preventing toll fraud on Expressways?
A. t controls which calls are allowed, which calls are rejected, and which calls are redirected to a different destination
B. t changes the calling and called number on a call
C. t changes the audio protocol used by a call through Expressways
D. t changes the audio codec used in a call through Expressways
View answer
Correct Answer: A
Question #29
09. The Cisco Webex Hybrid Message service is deployed geographically for separate Cisco Unified IM and Presence clusters. What must be configured in the Cisco Webex Control Hub to achieve this deployment?
A. eo-locati
B. istributedDNS
C. erifieddomai
D. esourcegroup
View answer
Correct Answer: D
Question #30
What is a key configuration requirement for Hybrid Message Service High Availability deployment with multiple IM and Presence clusters?
A. ou must have the Intercluster Sync Agent working across your IM and Presence clusters
B. ou must have the Intercluster Lookup Service working across all of your IM and Presence clusters
C. our IM and Presence Service clusters must have Multiple Device Messaging disabled
D. XL service should be activated only on the publisher of each IM and Presence cluster
View answer
Correct Answer: A
Question #31
What happens to the encrypted signaling traffic of a collaboration device if you place it inside a firewall with private IP addresses and try to make a call over IP without any collaboration infrastructure?
A. he signaling makes it back to the endpoint because the firewall is an application layer gateway and provides address translation
B. ncrypted IP traffic for collaboration devices always is trusted by the firewall
C. he signaling does not make it back to the endpoint because the firewall cannot inspect encrypted traffic
D. he signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint
View answer
Correct Answer: B
Question #32
Which part of a hybrid cloud-based deployment with Cisco Webex Messenger Service is used for meeting capabilities?
A. isco Unified CM is always used for meeting capabilities
B. epending on the media flow, the Webex Meeting Center or local Cisco Unified CM meeting resources are used for meeting capabilities
C. epending on the origin of the user, the Webex Meeting Center or local Cisco Unified Communications Manager meeting resources are used for meeting capabilities
D. isco Webex Meeting Center is always used for meeting capabilities
View answer
Correct Answer: A
Question #33
Refer to the exhibit. What is the result of a transformation applied to alias 88514?
A. 8851@ccnpcollab
B. 8513@ccnpcollab com
C. 8514@ccnpcollab
D. 8515@ccnpcollab
View answer
Correct Answer: A
Question #34
Which zone is required on a B2B deployment between Expressway-C and Expressway-E?
A. raversal zone
B. NS zone
C. efault zone
D. eighbor zone
View answer
Correct Answer: A
Question #35
Which protocol should be used to verify the connectivity for different media paths found during a call using ICE?
A. TUN
B. TP
C. NMP
D. URN
View answer
Correct Answer: A
Question #36
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. he lowest STUN round-trip delay to each node and cloud
B. reachable Video Mesh Node and then overflows to the cloud, if needed
C. he SIP delay header during call setup
D. n HTTPS speed and latency test to each node and the cloud
View answer
Correct Answer: B
Question #37
Which dial plan component is configured in Expressway-C to route a call to the Cisco UCM?
A. all routing
B. raversal subzone
C. all policy
D. earch rule
View answer
Correct Answer: A
Question #38
Between which two DTMF relay methods does the Expressway support interworking? (Choose two.)
A. TP
B. LS
C. NMP
D. CE
View answer
Correct Answer: BE
Question #39
03. Which complication does a NAT introduce in SDP for a SIP call?
A. dditionalheadersduetoNATencapsulationcancausethepacketsizetoexceedtheMTU
B. hentheclientisbehindaNATtheymaybeunabletodeterminetheappropriateoffsetduetotimezones
C. heIPaddressspecifiedintheconnectiondatafieldmaybeanunrouteableinternaladdress
D. heencryptionkeysadvertisedintheSDPareonlyvalidforclientsnotbehindaNAT
View answer
Correct Answer: C
Question #40
Which complication does a NAT introduce in SDP for a SIP call?
A. dditional headers due to NAT encapsulation can cause the packet size to exceed the MTU
B. hen the client is behind a NAT they may be unable to determine the appropriate offset due to time zones
C. he IP address specified in the connection data field may be an unrouteable internal address
D. he encryption keys advertised in the SDP are only valid for clients not behind a NAT
View answer
Correct Answer: D
Question #41
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. 024
B. 048
C. 096
D. 192
View answer
Correct Answer: AC
Question #42
Which mode should be used when Call Policy is configured on Expressways?
A. xtended CPL
B. ocal CPL, policy service, and off
C. n
D. emote CPL
View answer
Correct Answer: C
Question #43
Which service is available in a cloud-based deployment using Cisco Webex Messenger?
A. Presence
B. Phone services
C. Voicemail
D. Call forward services
View answer
Correct Answer: A
Question #44
A company has enabled ICE to optimize call flows and improve video quality between their Cisco Collaboration endpoints internally and externally.For which reason would you see activity on the TURN server when a call is established between two external endpoints?
A. he video call is using encryption, which is not supported by ICE with CUCM 12
B. CE cannot reduce the packet loss on the link
C. STUN cannot punch holes in the firewall
D. he video call is using 4K resolution, which is not supported by ICE with CUCM 12
View answer
Correct Answer: A
Question #45
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. xpressway-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
B. nternal endpoints are registered to Expressway-E in the DMZ
C. xpressway-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
D. nternal endpoints are registered to Expressway-C in the DMZ
View answer
Correct Answer: A
Question #46
For a Mobile and Remote Access deployment, which server's certificate must include the Unified registration domain as a Subject Alternate Name?
A. reate a new CSR with new information on the SAN field
B. nclude Cisco Unified Communications Manager registration domain in the Expressway-E certificate as a SAN
C. hange the domain name
D. hange the FQDN of the Expressway
View answer
Correct Answer: C
Question #47
A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network.Which statement is true?
A. ebex Cloud supports either a DMZ-based Mesh Node for security or an internal-based Mesh Node for media control only
B. nstalling a Video Mesh Node in the DMZ requires you to open TCP and UDP port 4444 in your internal firewall for full clustering functionality
C. nstalling a Video Mesh Node in the DMZ requires the external firewall to allow UDP traffic from ANY port to the address of the Video Mesh Nodes via port 5004
D. sing internal Video Mesh Node also works due to Mobile and Remote Access setup for Webex Teams clients
View answer
Correct Answer: C
Question #48
Which two statements about Cisco Webex Video Mesh Nodes are true? (Choose two.)
A. oth Cloud Node US-EAST and US-WEST
B. ideo Mesh Cluster-2
C. loud Node US-EAST
D. loud Node US-WEST
View answer
Correct Answer: BD
Question #49
06. What allows endpoints behind a NAT to discover the paths through which they will pass media?
A. TP
B. LS
C. NMP
D. CE
View answer
Correct Answer: D
Question #50
Refer to the exhibit.A new neighbor zone is added for a new Cisco Meeting Server, but the zone is showing aSIP status of failed from the time the zone it was created. What should be done to resolve this issue?
A. he search rule must be changed to continue on match
B. he existing zone using ID 7 must be deleted
C. ore bandwidth must be added to the appropriate pipes
D. he underlying DNS issue must be resolved
View answer
Correct Answer: A
Question #51
Refer to the exhibit. An engineer is deploying mobile and remote access in an environment that already had functioning Business to Business calling. Mobile and remote access SIP registrations are failing. To troubleshoot, SIP logs were collected. How is this issue resolved?
A. hange the SIP profile on the SIP trunk for the Expressway-E to Standard SIP Profile for TelePresence Endpoint
B. hange the ג€Incoming Portג€ in the SIP Trunk Security Profile for the Expressway-C to not match SIP line registrations
C. nable autoregistration for the appropriate DN range on the Cisco UCM servers running the CallManager service
D. rite a custom normalization script since the ג€vcs-interopג€ normalization script does not allow registrations
View answer
Correct Answer: B
Question #52
Refer to the exhibit. Cisco Unified Communications Manager routes the call via the Webex Meetings route list and route group to the Video Mesh cluster Node#1 in the Video Mesh cluster is hosting the meeting and has reached full capacity, but other nodes in the cluster still have spare capacity.What happens to the participant's call?
A. nother node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed
B. he call is queued
C. he call fails
D. nother node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed
View answer
Correct Answer: D

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