350-801: Implementing Cisco Collaboration Core Technologies (CLCOR) Part 5
Question #: 241
Topic #: 1
An administrator is integrating a Cisco Unity Express module to a Cisco UCME system. A test call is placed to the Cisco Unity Express pilot number, but the administrator receives a busy signal. The dial-peer is configured as follows: dial-peer voice 4100 voip destination-pattern 41.. session protocol sipv2 session target ipv4:10.1.10.1 dtmf-relay sip-notify no vad
How is this issue resolved?
A. The dial-peer needs to be reconfigured to support the G.711 voice codec.
B. The destination pattern needs to be changed to match the dialed number of 4100.
C. The dial-peer needs to be reconfigured to support vad.
D. The dial-peer needs to be reconfigured to support H.323 instead of SIP.
Selected Answer: A
Question #: 242
Topic #: 1
Which open-standard protocol is the basis for the Extensible Messaging and Presence Protocol?
A. SIP
B. JSON
C. XML
D. HTTP
Selected Answer: C
Question #: 243
Topic #: 1
What is required when deploying co-resident VMs by using Cisco UCM?
A. Deploy the VMs to a server running Cisco UCM.
B. Ensure that applications will perform QoS.
C. Provide a guaranteed bandwidth of 10 Mbps.
D. Avoid hardware oversubscription.
Selected Answer: C
Question #: 244
Topic #: 1
Which Cisco Unity Connection handler plays a greeting that announces the option to dial a user extension by default?
A. the Operator call handler
B. the Goodbye call handler
C. the Directory handler
D. the Interview handler
Selected Answer: B
Question #: 245
Topic #: 1
Refer to the exhibit.
Unanswered calls do not reach the voicemail associated with the phones. Instead, callers receive the default greeting. Which action fixes the configuration?
A. Review the conversation manager logs on Cisco Unity Connection.
B. Check the box ג€Redirecting Diversion Header Delivery – Outboundג€, then reset the trunk.
C. Reboot Cisco Unity Connection.
D. Check the box ג€Redirecting Diversion Header Delivery – Outboundג€.
Selected Answer: B
Question #: 246
Topic #: 1
Which type of message must an administrator configure in the SIP Trunk Security Profile for a Message Waiting Indicator light to work with a SIP integration between Cisco UCM and Cisco Unity Connection?
A. Unsolicited NOTIFY
B. SIP Register
C. 200 OK
D. TCP port 5060
Selected Answer: A
Question #: 247
Topic #: 1
A company has an excessive number of call transfers to local and long-distance PSTN from Cisco Unity Connection voicemail. Which action in the Cisco Unity
Connection restriction table resolves this issue?
A. Block PSTN patterns on Default Transfer, Default Outdial, and Default System Transfer.
B. Implement password complexity on voicemail boxes to prevent accounts from being compromised.
C. Create a custom restriction table *********** and block it.
D. Create a custom restriction table ??????????? and block it.
Selected Answer: A
Question #: 248
Topic #: 1
Which program is required to deploy the Cisco Jabber client on an on-premises Cisco collaboration solution?
A. Cisco Unity Connection
B. Cisco Expressway-C
C. Cisco UCM
D. Cisco UCM IM and Presence
Selected Answer: C
Question #: 249
Topic #: 1
After an administrator installs the Cisco Jabber client, it fails to register with the Cisco UCM server. Which two actions should be taken to troubleshoot this problem? (Choose two.)
A. Verify the installation of the LMHOST file on the PC.
B. Verify Layer 3 connectivity on the gateway.
C. Verify corporate firewall settings for client connections.
D. Verify the configuration of the DNS SRV record.
E. Reboot the Cisco Unified Border Element Gateway.
Selected Answer: CD
Question #: 250
Topic #: 1
A customer asked to integrate Unity Connection with Cisco UCM using SIP protocol. Which two features must be enabled on SIP security profiles? (Choose two.)
A. accept presence subscription
B. accept replaces header
C. accept unsolicited notification
D. allow changing header
E. enable application-level authorization
Selected Answer: BC
Question #: 251
Topic #: 1
An administrator configures the voicemail feature in a Cisco collaboration deployment. The user mailboxes must be configured when the Cisco Unity Connection server is configured. Which action accomplishes this task?
A. Configure an SCCP integration with Cisco UCM.
B. Configure a SIP integration with Cisco UCM to sync users.
C. Configure an AXL server to access the Cisco UCM users.
D. Configure an active directory to sync the users who will have a voicemail box.
Selected Answer: C
Question #: 252
Topic #: 1
What are the predefined call handlers in Cisco Unity Connection?
A. opening greeting, operator, and goodbye
B. opening greeting, welcome, and default system
C. greetings, operator, and closed
D. caller input, greetings, and transfer
Selected Answer: A
Question #: 253
Topic #: 1
An engineer configures a SIP trunk for MWI between a Cisco UCM cluster and Cisco Unity Connection. The Cisco UCM cluster fails to receive the SIP notify messages. Which two SIP trunk settings resolve this issue? (Choose two.)
A. transmit security status
B. accept unsolicited notification
C. allow charging header
D. accept out-of-band notification
E. accept out-of-dialog refer
Selected Answer: BE
Question #: 254
Topic #: 1
Which information is needed to restore the backup of a Cisco UCM publisher successfully?
A. the application credentials for Cisco UCM
B. the FTP server details
C. the security password for Cisco UCM
D. the TFTP server details
Selected Answer: C
Question #: 255
Topic #: 1
User A calls user B. The call gets connected, but the quality is bad. What are two reasons for this issue? (Choose two.)
A. incompatible codec
B. network congestion
C. no region relationship
D. incorrect QoS
E. incorrect partition
Selected Answer: BD
Question #: 256
Topic #: 1
Which IP Precedence value is used to classify a call signaling packet?
A. 3
B. 4
C. 5
D. 6
Selected Answer: A
Question #: 257
Topic #: 1
Which certificate does the Disaster Recovery System in Cisco UCM use to encrypt its communications?
A. IPsec
B. Cisco Tomcat
C. CAPF
D. Cisco CallManager
Selected Answer: A
Question #: 258
Topic #: 1
Which location must be assigned to the SIP trunk to replicate enhanced location information via a SIP trunk?
A. hub_none
B. replica
C. phantom
D. shadow
Selected Answer: D
Question #: 259
Topic #: 1
An engineer is configuring Cisco Jabber for Windows and must implement desk phone control mode for some of the users. Which access control group must be configured for those users to enable this functionality?
A. Allow Control of Device from CTI
B. Standard CTI Allow Reception of SRTP Key Material
C. Standard CTI Secure Connection
D. Standard CTI Enabled
Selected Answer: D
Question #: 260
Topic #: 1
What is a description of the DiffServ model used for implementing QoS?
A. AF43 has higher drop precedence than AF42 but lower drop precedence than AF41
B. RTP traffic from voice and video calls is marked EF and placed in the same queue
C. AF41 has higher drop precedence than AF42, which has higher drop precedence than AF43
D. Voice and video calls are marked with different DSCP values and placed in different queues
Selected Answer: D
Question #: 261
Topic #: 1
Refer to the exhibit. Which codec is negotiated?
A. iLBC
B. G.711ulaw
C. G.728
D. G.729
Selected Answer: B
Question #: 262
Topic #: 1
When multiple potential patterns are present, which two things are considered when Cisco UCM selects a destination pattern? (Choose two.)
A. The pattern does not match the dialed string
B. The pattern matches the dialed string
C. The pattern represents the smallest number of endpoints.
D. The pattern matches the shortest explicit prefix
E. The pattern represents the largest number of endpoints
Selected Answer: BC
Question #: 263
Topic #: 1
Which two technical reasons make QoS a necessity in a video deployment? (Choose two.)
A. bursty behavior of video traffic
B. variable bit rate of the video stream
C. provisioned bandwidth of the link
D. low response time between endpoints
Selected Answer: AB
Question #: 264
Topic #: 1
During the Cisco IP Phone registration process, the TFTP download fails. What are two reasons for this issue? (Choose two.)
A. Option 100 string was not specified, or an incorrect Option 100 string was specified
B. The Cisco IP Phone does not know the IP address of any of the Cisco UCM Subscriber nodes
C. The Cisco IP Phone does not know the IP address of the TFTP server
D. Option 150 string was not specified, or an incorrect Option 150 string was specified
E. The DNS server was not specified, which is needed to resolve the DHCP server IP address
Selected Answer: CD
Question #: 265
Topic #: 1
An administrator must make a pattern to route calls to two different destinations: john.doe@company.com and jane.doe@company.com. Which type of patterns are needed in the Cisco UCM, and what must the pattern look like?
A. A SIP route pattern that looks like this: *@company.com
B. A regular route pattern with the URI feature enabled in the configuration page. The pattern must look like this: MATCH(*.doe@company.com)
C. A regular route pattern with the URI feature enabled in the configuration page. The pattern must look like this: (*@company.com)
D. A SIP route pattern that looks like this: company.com
Selected Answer: D
Question #: 266
Topic #: 1
A high-speed network is often configured with a five-class QoS model. Which classes are used in the model?
A. voice, video, signaling critical data, and best-effort
B. real-time, call-signaling, critical data, best-effort, and scavenger
C. real-time, signaling, critical data, best-effort, and drop-class
D. call-signaling, real-time, critical data, best-effort, and drop-class
Selected Answer: B
Question #: 267
Topic #: 1
Which value should be changed when each Cisco UCM node does not allow for more than 5000 phones to be registered?
A. Maximum Number of Registered Devices service parameter on each node
B. Maximum Number of Registered and Unregistered Devices service parameter on each node
C. Minimum Number of Phones service parameter on each node
D. Maximum Number of Phones service parameter on the Publisher
Selected Answer: A
Question #: 268
Topic #: 1
Which QoS marking is used when an administrator configures voice call signaling?
A. EF
B. CS3
C. CS4
D. AF41
Selected Answer: B
Question #: 269
Topic #: 1
According to QoS guidelines, what is the packet loss for streaming video?
A. not more than 5%
B. not more than 8%
C. not more than 1%
D. not more than 3%
Selected Answer: A
Question #: 270
Topic #: 1
An administrator is configuring a new Cisco UCM with PSTN capabilities. Due to bandwidth constraints, audio compression is used on the codec. DTMF must work as expected because the customer is calling many call centers where the users must select options in the call. Where is DTMF out-of-band in a CCM 12.5 with SIP-based gateway configured?
A. in the DTMF setting under SIP profile on the Cisco Unified Border Element
B. in DTMF settings in the audio codec preference list under regions in the Cisco UCM
C. in regions on the Cisco UCM where you set the appropriate codec to use
D. in the dial peer on the Cisco IOS router
Selected Answer: D
Question #: 271
Topic #: 1
What are two reasons that AF41 is marked for the audio and video channels of a video call? (Choose two.)
A. to allow high-definition quality calls over low-speed links
B. to give video calls a higher priority than AF41 in the QoS policy
C. to provide separate classes for audio calls and video calls
D. to preserve lip synchronization between the audio and video channels
E. to prioritize video over other high-priority traffic classes
Selected Answer: CD
Question #: 272
Topic #: 1
How are network devices monitored in a collaboration network?
A. System logs are collected in a Cisco Prime Collaboration Server.
B. Ping Sweep reports ג€unmanagedג€ state devices.
C. The Cisco Discovery Protocol table is shared among devices.
D. Simple Network Managed Protocol is enabled on each device to poll specific values periodically.
Selected Answer: D
Question #: 273
Topic #: 1
Refer to the exhibit. An engineer is troubleshooting why PSTN phones are not receiving the caller’s name when called from a remote Cisco UCM site. An ISDN
PRI connection is being used to reach the PSTN. What must the administrator select to resolve the issue?
A. isdn send display ie
B. isdn enable clid
C. isdn outgoing display-ie
D. isdn supp-service name calling
Selected Answer: C
Question #: 274
Topic #: 1
In which location does an administrator look to determine which subscriber the phone registers to if it loses registration with the current Cisco UCM subscriber?
A. on Cisco UCM Administration page, System > Device Pool > Cisco UCM Group
B. on Cisco UCM Administration Page Device > Phone > Phone Configuration page
C. on Cisco UCM Administration page, Server > Cisco UCM
D. on Cisco UCM Administration page, System > Enterprise Parameters
Selected Answer: B
Question #: 275
Topic #: 1
An engineer is integrating Unity Connection with Cisco UCM. Which two actions must be configured so that recording and playback from the IP phones works at all times, including peak traffic hours? (Choose two.)
A. Increase the number of voice ports.
B. The phone system to which the phones are registered in Unity Connection has the Default Trap Switch check box enabled.
C. Ensure that you have set up SIP Digest Authentication on the SIP trunk security profile.
D. If it’s a Unity Connection Cluster, ensure that replication is fine and not in split-brain mode.
E. Add dedicated dial-out ports with the allow trap connections setting selected.
Selected Answer: BE
Question #: 276
Topic #: 1
When designing the capacity for a Cisco UCM 12.x cluster, an engineer must decide which VMware template will be used for each node. What is the lowest number of users supported in a template and the highest number of users in a template?
A. 750 and 15,000 users
B. 750 and 10,000 users
C. 500 and 10,000 users
D. 1000 and 10,000 users
Selected Answer: D
Question #: 277
Topic #: 1
An engineer must configure switch port 5/1 to send CDP packets to configure an attached Cisco IP phone to trust tagged traffic on its access port. Which command is required to complete the configuration?
Router# configure terminal –
Router(config)# interface gigabitethernet 5/1
Router(config-if)# description Cube E42.421-5965
A. platform qos trust extend cos 3
B. platform qos extend trust
C. platform qos trust extend
D. platform qos trust extend cos 5
Selected Answer: C
Question #: 278
Topic #: 1
Which DSCP marking is represented as 101110 in an IP header?
A. CS3
B. AF41
C. AF31
D. EF
Selected Answer: D
Question #: 279
Topic #: 1
Which service on the Presence Server is responsible for maintaining the point-to-point chat connections between Jabber clients?
A. Cisco XCP Router
B. Cisco XCP Text Conference Manager
C. Cisco SIP Proxy
D. Cisco XCP XMPP Federation Manager
Selected Answer: B
Question #: 280
Topic #: 1
Which DiffServ PHB preserves backward compatibility with any IP precedence scheme?
A. expedited forwarding
B. class selector
C. assured forwarding
D. default
Selected Answer: B
Question #: 281
Topic #: 1
What are two Cisco UCM location bandwidths that are deducted when G.729 and G.711 codecs are used? (Choose two.)
A. If a call uses G.729, Cisco UCM subtracts 16k
B. If a call uses G.711, Cisco UCM subtracts 80k
C. If a call uses G.729, Cisco UCM subtracts 24k
D. If a call uses G.711, Cisco UCM subtracts 64k
E. If a call uses G.729, Cisco UCM subtracts 40k
Selected Answer: BC
Question #: 282
Topic #: 1
Refer to the exhibit. An engineer configures ISDN on a voice gateway. The provider confirms that the PRI is configured with 10 channels the engineer ordered and is working from the provider side, but the engineer cannot get a B-channel to carry voice. The rest of the configuration for the serial interface and voice network is functioning correctly. Which actions must be taken to carry voice?
A. The engineer must activate the controller card on the voice gateway before configuring the device.
B. The engineer used a T1 interface but must use an E1 interface.
C. The pri-group timeslots command must be 0-9 for the 10 channels because all values on a router start with 0.
D. The engineer must manually revert the order of using the channels.
Selected Answer: D
Question #: 283
Topic #: 1
What is the maximum number of servers that are in an IM and Presence presence redundancy group?
A. 10
B. 4
C. 6
D. 2
Selected Answer: D
Question #: 284
Topic #: 1
Which configuration concept allows for high-availability on IM and Presence services in a UC environment?
A. IM and Presence subclusters (configured on Cisco UCM)
B. Presence Redundancy Groups (configured on Cisco UCM)
C. Presence Redundancy Groups (configured on Cisco Unified IM and Presence)
D. IM and Presence subclusters (configured on Cisco Unified IM and Presence)
Selected Answer: B
Question #: 285
Topic #: 1
An administrator uses the Cisco Unified Real-Time Monitoring Tool to investigate recent calls on a Cisco UCM cluster. The SIP trace for an on-net, direct-media call shows two 180 Ringing and two 11 BYE messages. Why are there multiples of each message type in the trace?
A. The source phone sends a 180 Ringing signal to the Cisco UCM, which sends a 180 Ringing signal to the destination phone. The same process applies to 11 BYE messages.
B. The source phone must signal to the destination phone that it is ringing, and the destination phone signals back with a 180 Ringing message. The same process applies to 11 BYE messages.
C. The destination phone signals back to the Cisco UCM that it is ringing, and the Cisco UCM signals back to the source phone.
D. The calls have an MTP in the call path due to different codec support. The calls are subsequently split into two call legs.
Selected Answer: C
Question #: 286
Topic #: 1
An engineer is going to redesign a network, and while looking at the QoS configuration, the engineer sees that a portion of the network is marked with AF42.
Which type of traffic is marked with this tag?
A. voice
B. streaming video
C. signaling
D. video conference
Selected Answer: D
Question #: 287
Topic #: 1
How many minutes does it take for automatic fallback to occur in a Presence Redundancy Group if the primary node lost a critical service?
A. 5 min
B. 10 min
C. 30 min
D. 60 min
Selected Answer: C
Question #: 288
Topic #: 1
A company wants to enable secure communications with remote users. Which statement describes the functions of Expressway-E devices in the Cisco collaboration architecture?
A. Expressway-E supports voice calls, video calls, and IM and Presence federation, whereas Cisco Unified Border Element provides only voice and video calls functionality.
B. Expressway-E supports video calls and IM and Presence federation, whereas Cisco Unified Border Element provides only voice calls and IM and Presence federation functionality.
C. Expressway-E supports video calls and IM and Presence federation, whereas Cisco Unified Border Element provides only voice calls functionality.
D. Expressway-E supports voice calls video calls, and IM and Presence federation, whereas Cisco Unified Border Element provides only voice calls functionality.
Selected Answer: A
Question #: 289
Topic #: 1
What is the traffic classification for voice and video conferencing?
A. Voice is classified as CoS 4, and video conferencing is CoS 5.
B. Voice is classified as CoS 5, and video conferencing is CoS 4.
C. Voice and video conferencing are both classified is CoS 3.
D. Video conferencing is classified as CoS 1, and voice is CoS 2.
Selected Answer: B
Question #: 290
Topic #: 1
Refer to the exhibit. An engineer must implement toll fraud prevention on a Cisco UCM cluster by allowing only the indicated IP address and protocols through Cisco Unified Border Element. What must be configured?
A.
B.
C.
D.
Selected Answer: A
Question #: 291
Topic #: 1
Refer to the exhibit. An engineer must deploy a Cisco Unified Border Element that will allow the last four digits of a dialed number to be sent from the Cisco Unified Border Element to Cisco UCM. The configuration in the exhibit already exists on die Cisco Unified Border Element. Which additional configuration must be performed on the Cisco Unified Border Element?
A.
B.
C.
D.
Selected Answer: B
Question #: 292
Topic #: 1
Where would an administrator update learned patterns from the DNA UI?
A. System —> Enterprise parameters
B. Service —> Control Center —> DNA
C. Service —> Control Center
D. System —> Service Parameters
Selected Answer: C
Question #: 293
Topic #: 1
Refer to the exhibit. CUBE_1 and CUBE_2 must use the G.729r8 codec when communicating. Which action completes the configuration?
A. Set dtmf-relay sip-notify on CUBE_1.
B. Deploy a voice class to CUBE_2.
C. Reset the dial peer on CUBE_1.
D. Configure a transcoder on CUBE_1.
Selected Answer: B
Question #: 294
Topic #: 1
An engineer must configure a DHCP server to save automatic bindings on a remote host that has an IP address of 172.16.1 1. The IP address range of 172.16.1.103 to 172.16.1.106 must be blocked from the DHCP server. Which set of commands must the engineer run?
A.
B.
C.
D.
Selected Answer: C
Question #: 295
Topic #: 1
Refer to the exhibit. An engineer is integrating Cisco UCM with Cisco Unity Connection via SIP. Which two boxes should be checked to complete the configuration of the SIP trunk security profile? (Choose two.)
A. to enable application-level authorization
B. to enable digest authentication
C. to accept out-of-dialog refer
D. to accept presence subscription
E. to accept replaces header
Selected Answer: CE
Question #: 296
Topic #: 1
Why does Cisco UCM use DNS?
A. It connects endpoints to single sign-on services
B. It provides SRV resolution to the endpoints registered.
C. It provides certificate-based security for media.
D. It resolves FQDN to IP address resolution for trunks.
Selected Answer: D
Question #: 297
Topic #: 1
What is the maximum one-way latency and jitter tor voice before quality issues arise?
A. ≤ 150 ms Latency and ≤ 30 ms jitter
B. ≤ 100 ms Latency and ≤ 10 ms jitter
C. ≤ 300 ms Latency and ≤ 60 ms jitter
D. ≤ 90 ms Latency and ≤ 30 ms jitter
Selected Answer: A
Question #: 298
Topic #: 1
Refer to the exhibit. In Cisco UCM, an engineer must create a new SIP route pattern that must be reachable by all Internal callers. The internal callers have a calling search space named CSS_INTERNAL that includes a partition named PT_INTERNAL. The SIP trunk has a calling search space named CSS_SIP_RP that includes the two partitions named PT_SIP_INTERNAL and PT_SIP_LOCAL. What must be used as the route partition for the SIP route pattern?
A. PT_SIP_INTERNAL
B. CSS_INTERNAL
C. PT_SIP_LOCAL
D. PT_INTERNAL
Selected Answer: D
Question #: 299
Topic #: 1
An engineer must configure a dial plan tor a new Cisco UCM cluster. Standard local route groups must be used for all local calls. After the route pattern, route list and route groups are configured, which settings must the engineer configure for the standard local route groups?
A. device pool
B. voice gateway
C. trunk group
D. SIP trunk
Selected Answer: A
Question #: 300
Topic #: 1
Refer to the exhibit. An engineer is troubleshooting an NTP synchronization issue that returns a message of ‘unsynchronized’ when the utils ntp status command is run on the Cisco UCM subscriber node. The connectivity between the subscriber and the NTP server was verified as working, and the NTP server is running. Which action resolves the issue?
A. Add an additional NTP server on the Cisco UCM subscriber node.
B. Add an additional NTP server to the Cisco UCM publisher node.
C. Ensure that the Cisco UCM subscriber node is running.
D. Ensure that the Cisco UCM publisher node is up and running.
Selected Answer: D
