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Following questions and answers are all new published by Cisco Official Exam Center: http://www.lead2pass.com/300-075.html
A video endpoint is configured with SIP only.
What does a video endpoint use to register with the VCS Control?
A. IP address
B. SIP URI
C. MAC address
D. system name
Which zone will the VCS Control use to route calls to the VCS Expressway?
A. neighbor zone
B. DNS zone
C. traversal client zone
D. ENUM zone
You want to configure Cisco VCS SIP endpoints and H.323 endpoints so that they communicate with one another. To do this, which format must you use in the Search Rule?
B. IP Address (192.168.100.0)
D. name@IP Address (192.168.100.0)
When you connect a Cisco VCS Control to Cisco Unified Communications Manager by using a SIP trunk, which mechanism do you use to verify that the trunk has an active connection?
A. OPTIONS ping
B. DNS tracing
C. Continuous ping
D. Dynamic DNS
Which DNS SRV Records must be configured on the external DNS server in a mobile remote access scenario with Cisco Expressway?
Company X currently uses a Cisco Unified Communications Manager, which has been configured for IP desk phones and Jabber soft phones. Users report however that whenever they are out of the office, a VPN must be set up before their Jabber client can be used. The administrator for Company X has deployed a Collaboration Expressway server at the edge of the network in an attempt to remove the need for VPN when doing voice. However, devices outside cannot register.
Which two additional steps are needed to complete this deployment? (Choose two.)
A. A SIP trunk has to be set up between the Expressway-C and Cisco UCM.
B. An additional interface must be enabled on the Cisco UCM and placed in the same subnet at the Expressway.
C. The customer firewall must be configured with any rule for the IP address of the external Jabber client.
D. The Expressway server needs a neighbor zone created that points to Cisco UCM.
E. Jabber cannot connect to Cisco UCM unless it is on the same network or a VPN is set up from outside.
A new administrator at Company X has deployed a VCS Control on the LAN and VCS Expressway in the DMZ to facilitate VPN-less SIP calls with users outside of the network. However, the users report that calls via the VCS are erratic and not very consistent.
What must the administrator configure on the firewall to stabilize this deployment?
A. The VCS Control should not be on the LAN, but it must be located in the DMZ with the Expressway.
B. The firewall at Company X must have all SIP ALG functions disabled.
C. The firewall at Company X requires a rule to allow all traffic from the DMZ to pass to the same network that the VCS Control is on.
D. A TMS server is needed to allow the firewall traversal to occur between the VCS Expressway and the VCS Control servers.
The VCS Expressway can be configured with security controls to safeguard external calls and endpoints. One such option is the control of trusted endpoints via a whitelist.
Where is this option enabled?
A. on the voice-enabled firewall at the edge of the network
B. on the VCS under Configuration > registration > configuration
C. on the TMS server under Registrations > whitelist
D. on the VCS under System > configuration > Registrations
Which statement about configuring the Cisco VCS Control and Cisco VCS Expressway is true?
A. You do not need to configure search rules for traversal calls.
B. You need to configure the firewall to allow communication from the Cisco VCS Expressway to the Cisco VCS Control.
C. The username on the Cisco VCS Control and Cisco VCS Expressway are local and do not need to match.
D. The Cisco VCS Expressway is the Traversal Server.
Company X wants to implement RSVP-based Call Admission Control and move away from the current location-based configuration.
Where does the administrator go to create a default profile?
A. System > Call Manager > Clusterwide > Service Parameters > RSVP
B. System > Service Parameters > RSVP
C. System > Service Parameters > Call Manager > Clusterwide parameters > RSVP
D. on each MGCP gateway at all remote locations
Where can you change the clusterwide DSCP setting for Cisco Unified Communications Manager?
A. enterprise parameters
B. service parameters
C. enterprise phone configuration
D. Ethernet configuration
Refer to the exhibit. What is the correct value to use for the “DSCP for TelePresence Calls” Cisco CallManager service parameter?
A. 28 (011100)
B. 34 (100010)
C. 41 (101001)
D. 46 (101110)
Which two statements about remote survivability are true? (Choose two.)
A. SRST supports more Cisco IP Phones than Cisco Unified Communications Manager Express in SRST mode.
B. Cisco Unified Communications Manager Express in SRST mode supports more Cisco IP Phones than SRST.
C. MGCP fallback is required for ISDN call preservation.
D. MGCP fallback functions with SRST.
Which two options enable routers to provide basic call handling support for Cisco Unified IP Phones if they lose connection to all Cisco Unified Communications Manager systems? (Choose two.)
A. SCCP fallback
B. Cisco Unified Survivable Remote Site Telephony
C. Cisco Unified Communications Manager Express
D. MGCP fallback
E. Cisco Unified Communications Manager Express in SRST mode
When considering Cisco Unified Communications Manager failover, how many backup servers can be configured in a Cisco Unified Communications Manager Group?
Which three CLI commands are used when configuring H.323 call survivability for all calls? (Choose three.)
A. voice service voip
D. call preserve
E. call-router h323-annexg
When configuring Cisco Unified Survivable Remote Site Telephony, which CLI command enables this feature on the router?
B. ccm-manager redundant-host
C. ccm-manager sccp local
D. ccm-manager switchback
How long is the default keepalive period for SRST in Cisco IOS?
A. 45 sec
B. 30 sec
C. 60 sec
D. 120 sec
Which option is a valid test scenario to verify that Cisco Unified Communications Manager failover works and endpoints register with the backup call manager?
A. During a predetermined maintenance window, stop the Cisco IP Phone Services service on the primary Unified CM. Devices should reregister with the backup Unified CM in the Cisco CallManager Group.
B. During a predetermined maintenance window, stop the Unified CM service on the Publisher.
Devices should reregister with the backup Publisher in the Cisco CallManager Group.
C. During a predetermined maintenance window, stop the TFTP service on the primary call manager. Devices should reregister with the backup Unified CM in the Cisco CallManager Group.
D. During a predetermined maintenance window, stop the Unified CM service on the primary call manager. Devices should reregister with the backup Unified CM in the CallManager Group.
Which three commands can be used to verify SRST fallback mode? (Choose three.)
A. show telephony-service all
B. show telephony-service ephone-dn
C. show telephony-service ephone
D. show telephony-service voice-port
E. show telephony-service tftp-bindings
Company X has a Cisco Unified Communications Manager cluster and a Cisco Unity Connection cluster at its head office and implemented SRST for its branch offices. One Monday at 2:00 pm, the WAN connection to a branch office failed and stayed down for 45 minutes. That day the help desk received several calls from the branch saying their voicemail was not working but they were able to make and receive calls.
Why did the users not realize the WAN was down and prevented access to their voicemail?
A. All the phones should have started ringing the instant the WAN connection failed to signal the start of SRST mode.
B. All calls should have dropped when the WAN failed so users would be instantly aware.
C. Although the phones were still working, the users should have noticed that the phone displays said “SRST Fallback Active”.
D. The voice administrators at the head office did not call the users to notify them.
What are two important considerations when implementing TEHO to reduce long-distance cost? (Choose two.)
A. on-net calling patterns
B. E911 calling
C. number of route patterns
D. caller ID
Which two statements about the use of the Intercluster Lookup Service in a multicluster environment are true? (Choose two.)
A. Cisco Unified Communications Manager uses the ILS to support intercluster URI dialing.
B. ILS contains an optional directory URI replication feature that allows the clusters in an ILS network to replicate their directory URIs to the other clusters in the ILS network.
C. Directory URI replication does not need to be enabled individually for each cluster.
D. To enable URI replication in a cluster, check the Exchange Directory URIs with Remote Clusters check box that appears in the SIP trunk configuration menu.
E. If the ILS and directory URI replication feature is disabled on a cluster, this cluster still accepts ILS advertisements and directory URIs from other neighbor clusters; it just does not advertise its local directory URIs.
In Cisco Unified Communications Manager, where do you configure the +E.164 number that is advertised globally via ILS?
A. ILS configuration under Advanced Features
B. +E.164 alternate number under Directory Number Settings
C. Device Information under Phone Configuration
D. Route Pattern under Route/Hunt
When implementing a dial plan for multisite deployments, what must be present for SRST to work successfully?
A. dial peers that address all sites in the multisite cluster
B. translation patterns that apply to the local PSTN for each gateway
C. incoming and outgoing COR lists
D. configuration of the gateway as an MGCP gateway
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