300-815 [CLACCM] Q&A and more
The Implementing Cisco Advanced Call Control and Mobility Services 300-815 (CLACCM) v1.0 exam offers advanced call control and mobility services. You need to know how to use Cisco® Unified Communications Manager features to consolidate your communications infrastructure into a scalable, portable, and secure collaboration solution. you will also learn about a wealth of other features such as Globalized Call Routing, Global Dial Plan Replication, Cisco Unified Mobility, Cisco Extension Mobility, Device Mobility, Session Initiation Protocol Uniform Resource Identifier (SIP/ URI) call routing, Call Admission Control, Cisco Unified Communications Manager Express and Survivable Remote Site Telephony (SRST) gateway technologies, Cisco Unified Board Element Call deployments, signaling and media protocols, call coverage, and time of day routing. 300-815 CCNP collaboration exam.
Q&A CCNP 300-815
Updated may 2020
QUESTION 1
Which two extended capabilities must be configured on dial peers for fast start-to-early media scenarios (H.323 to SIP interworking)? (Choose two.)
A. DTMF
B. BFCP
C. VIDEO
D. FAX
E. AUDIO
Correct Answer: AB
QUESTION 2
When you troubleshoot H.323 call setup, which message informs you that the called party is being notified about the call?
A. ALERTING
B. PROCEEDING
C. CONNECT
D. RINGING
Correct Answer: C
QUESTION 3
End users at a new site report being unable to hear the remote party when calling or being called by users at headquarters. Calls to and from the PSTN work as expected. To investigate the SIP signaling to troubleshoot the problem, which field can provide a hint for troubleshooting?
A. Contact: header of the 200 OK response
B. Allow: header if the 200 OK response
C. o= line of SDP content
D. c= line of SDP content
Correct Answer: C
QUESTION 4
Why would RTP traffic that is sent from the originating endpoint fail to be received on the far endpoint?
A. The far end connection data (c=) in the SDP was overwritten by deep packet inspection in the call signaling path.
B. Cisco Unified Communications Manager invoked media termination point resources.
C. The RTP traffic is arriving beyond the jitter buffer on the receiving end.
D. A firewall in the media path is blocking TCP ports 16384-32768.
Correct Answer: D
QUESTION 5 An administrator is troubleshooting call failures on an H.323 gateway via the CLI. To see signaling for media and call setup, which debug must the Administrator turn on?
A. debug H.323 messages
B. debug H.225 asn1
C. debug H.246 asn 1
D. debug H.225 media
E. debug H.323 asn 1
Correct Answer: B
QUESTION 6 What is first preference condition matched in a SIP-enabled
incoming dial peer?
A. incoming uri
B. target carrier-id
C. answer-address
D. incoming called-number
Correct Answer: A
QUESTION 7
Cisco SIP IP telephony is implemented on two floors of your company. Afterward, users report intermittent voice issues in calls established between floors. All calls are established, and sometimes they work well, but sometimes there is oneway audio or no audio. You determine that there is a firewall between the floors, and the administrator reports that it is allowing SIP signaling and UDP ports from 20000 to 22000 bidirectionally. What are the two possible solutions? (Choose two.)
A. Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 16384-32767
B. Ask the firewall administrator to change the ports to TCP.
C. Ask the firewall administrator to change the range of UDP ports to 16384-32767.
D. Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 20000-22000.
E. Go to System Parameters in Cisco Unified Communications Manager and change the range of media ports to 20000-22000.
Correct Answer: AC
QUESTION 8
Which section under the Real-Time Monitoring Tool allows for reviewing the call flow and signaling for a SIP call in real-time?
A. Analysis Manager > Inventory > Trace File Repositories
B. System > Tools > Trace and Log Central
C. Voice/Video > Session Trace Log View > Real Time Data
D. Voice/Video > Session Trace Log View > Open From Local Disk
Correct Answer: C
QUESTION 9 Which description of RTP timestamps or sequence
numbers is true?
A. The sequence number is used to detect losses.
B. Timestamps increase by the time “carrying” by a packet.
C. Sequence numbers increase by four for each RTP packet transmitted.
D. The timestamp is used to place the incoming audio and video packets in the correct timing order (playout delay compensation).
Correct Answer: D
QUESTION 10 A support engineer is troubleshooting a voice network. When conducting a search for call setup details related to calling search space issues, which trace files should be investigated?
A. CallManager traces
B. CTI Manager traces
C. Cisco IP Manager Assistant
D. Call logs
Correct Answer: A
QUESTION 11
A company has an SRST gateway running an IOS XE image. The company plans to enable the IPv6 addressing companywide. To enable the IPv6 in a unified SRST gateway to support SIP phones, what are two supported supplementary features for an IPv6 fallback scenario? (Choose two.)
A. three-way conference
B. secure SIP lines
C. T.38 fax relay
D. transcoding
E. SIP trunk
Correct Answer: AC
QUESTION 12
You see the voice register pool 1 command in your Cisco Unified Communications Manager Express configuration. Which configuration is occurring in this section?
A. configuration for a single SIP phone
B. configuration items common for all SIP phones
C. configuration for a pool of SIP phones (similar to devise pool on Cisco Unified Communications Manager)D. configuration for SIP registrar service
Correct Answer: C
QUESTION 13
Which top-level IOS command is needed to begin the configuration of a Cisco Unified Communications Manager Express gateway to enable phones to be registered via SIP?
A. allow-connections sip to sip
B. voice service voip
C. voice register global
D. voice register dn
Correct Answer: C
QUESTION 14 For s SIP to SIP call flow, when does Cisco Unified Border Element require transcoding
resources for DTMF?
A. interworking between an OOB method and RFC2833 for flow-around calls
B. interworking between h245-signal and rtp-nte
C. interworking between an OOB method and RFC2833 for flow-through calls
D. interworking between h245-alpha numeric and sip-kpml
Correct Answer: A
QUESTION 15 Which IOS command creates a SIPenabled
dial-peer?
A. voice dial-peer 20 sip
B. dial-peer voice 20 voip
C. dial-peer voice 20 pots
D. dial peer voice 20 sip
Correct Answer: B
QUESTION 16
A user in location X dials an extension at location Y. The call travels through a QoS-enabled WAN network, but the user experiences choppy or clipped audio. What is the cause of this issue?
A. missing Call Admission Control
B. codec mismatch
C. ptime mismatch
D. phone class of service issue
Correct Answer: B
QUESTION 17
An engineer must route all SIP calls in the form of @example.com to the SIP trunk gateway corporate local. Which two SIP route patterns can be used to accomplish this task? (Choose two.)
A. example.com@gateway.corporate.local
B. *@example.com
C. gateway.corporate.local
D. example.com
E. *.*
Correct Answer: BE
QUESTION 18
Which two statements are correct with respect to the Client Matter Code setting in the route pattern configuration? (Choose two.)
A. The Client Matter Code feature does not support overlap sending because the Cisco Unified CM cannot determine when to prompt the user for the code.
B. If you check the Allow Overlap Sending check box, the Require Client Matter Code check box becomes disabled.
C. If you check the Allow Overlap Sending check box, you can also check the Require Client Matter Code check box.
D. The Client Matter Code feature does support overlap sending because the Cisco Unified Communications Manager can determine when to prompt the user for the code.
E. The Client Matter Code has the option to configure Authorization Level such as in the Forced Authorization Code.
Correct Answer: AB
QUESTION 19 A network engineer designs a new dial plan and wants to block a certain range of numbers (8135100 through 8135105). What is the most specific route pattern that can be configured to block only the
numbers in this range?
A. 813510[012345]
B. 813510[12345]
C. 813510[^0-5]
D. 81XXXXX
Correct Answer: A
QUESTION 20 Which two descriptions of the Standard Local Route Group deployment are true? (Choose two.)
A. can be associated under the route group
B. can be associated only under the route list
C. chooses the route group that is configured under the device pool of the calling-party device
D. chooses the route group that is configured under the device pool of the called-party devices. can be assigned directly to the route pattern
Correct Answer: BD
QUESTION 21 After configuring a Cisco CallManager Express with Cisco Unity Express, inbound calls from the PSTN SIP trunk receive a ring tone for 20 seconds and then a busy signal instead of voicemail. Which configuration fixes this problem?
A. Router(config)# voice service VoIP
Router(conf-voi-serv)#allow-connections h323 to h323
B. Router(config)#dial-peer voice 2 voip
Router(config-dial-peer)#no vad
C. Router(config)# voice service voip
Router(conf-voi-serv)#allow-connections voice-mail mod
D. Router(config)# voice service voip
Router(conf-voi-serv)#no supplementary-service sip moved-temporarily
Correct Answer: A
QUESTION 22 An engineer must configure a secure SIP trunk with a remote provider, with a specific requirement to use port 5065 for inbound and outbound traffic. Which two items must be configured to complete this configuration? (Choose two.)
A. Incoming Port in SIP Information section of the SIP Trunk configuration.
B. Incoming Port in Security Information of the SIP Profile configuration.
C. Destination Port in the SIP Information section of the SIP Trunk configuration
D. Incoming Port in SIP Trunk Security Profile configuration
E. Destination Port in SIP Trunk Security Profile configuration
Correct Answer: CD
QUESTION 23 In Cisco Unified Communications Manager, which tool do you use to check SIP traces?
A. MTP
B. CCSIP
C. RTMT
D. OS Administration Page
Correct Answer: C
QUESTION 24 If all patterns below are configured in Cisco Unified Communications Manager which would be used when dialing the
pattern “123”?
A. 12!
B. 12X (urgent priority set)
C. 1XX (urgent Priority Set)
D. 12[2-5]
Correct Answer: B
QUESTION 25 Which configuration must an administrator perform to display Translation Pattern operations in Cisco Unified Communications Manager SDL traces?
A. Enable the Detailed Call Analysis option under Enterprise Parameters for Unified CM.
B. Set up the Digit Analysis Complexity in Service Parameters for Cisco Unified CM to TranslationAndAlternatePatternAnalysis.
C. Check the Translation Patterns Analysis checkbox in Micro Traces on the Cisco Unified CM Serviceability page.
D. By default, the Translation Pattern operations are printed in SDL traces, so no additional configuration is necessary.
Correct Answer: A
QUESTION 26
The Cisco Unified Communications Manager Dialed Number Analyzer allows analysis of calls from which two devices? (Choose two.)
A. translation patterns
B. device pools
C. CTI ports
D. CTI route points
E. IP phones
Correct Answer: CE
QUESTION 27 In Cisco Unified Communications Manager globalized call routing is implemented and must confirm that it is correctly implemented without making a call. Which tool do you use for verification?
A. Dialed Number Analyzer
B. Real-Time Monitoring Tool
C. SDI trace
D. SDL trace
Correct Answer: A
QUESTION 28 How does an engineer globalize routing for ingress calls coming from the PSTN to internal DNs?
A. At the PSTN gateway, put the calling number in PSTN format and the called number in DN format.
B. At Cisco Unified CM, put the calling number in E.164 format and the called number in PSTN format.
C. At the PSTN gateway, put the calling number in E.164 format and the called number in localized (DN) format.
D. At Cisco Unified Communications Manager, put the calling number in E.164 format and the called number in E.164 format.
Correct Answer: B
QUESTION 29 Which two types of distribution algorithm are within a line
group? (Choose two.)
A. random
B. circular
C. highest preference
D. top down
E. bottom up
Correct Answer: BD
QUESTION 30
An engineer is configuring a call park feature in Cisco Unified Communications Manager Express. Which command does the engineer use to ensure that the call is reverted to the user after 60 seconds?
A. R2(config-ephone-dn)#park reservation-group 60
B. R2(config-ephone-dn)#park-slot timeout 60 limit 2 recall alternate 3002
C. R2(config-ephone-dn)#park reservation-group 1
D. R2(config-ephone-dn)#park-slot timeout 30 limit 2 recall alternate 3002
Correct Answer: B
QUESTION 31 When locations-based Call Admission Control denies the call, which two masks can AAR apply when routing the call through the
PSTN? (Choose two.)
A. AAR destination mask
B. called party transform mask
C. external phone number mask
D. +E.164 alternate number mask
E. enterrise alternate number mask
Correct Answer: AC
QUESTION 32
An administrator is configuring a cluster for ILS and wants to limit the number of entities that Cisco Unified Communications Manager can write to the database for data that is learned through ILS. Which service parameter is used to adjust this limit?
A. ILS Max Number of Learned Objects in Database
B. ILS Active Learned Object Upper Limit
C. Global Data Service Parameter Limit
D. Imported Dial Plan Replication Database Object Lower Limit
Correct Answer: A
QUESTION 33
When configuring hunt groups, where do you add the individual directory numbers that will be part of the group?
A. route group
B. line group
C. hunt list
D. hunt pilot
Correct Answer: B
QUESTION 34
Which configuration element of a hunt group allows for changing Calling Party Transformations settings?
A. line group
B. hunt pilot
C. route group
D. hunt list
Correct Answer: B
QUESTION 35
Which two types of authentication are supported for the configuration of Intercluster Lookup Service? (Choose two.)
A. TokenID
B. username and secret key
C. TLS certificates
D. passwords
E. FQDN of the servers defined in DNS
Correct Answer: CD
QUESTION 36
Which two configuration parameters are prerequisites to set Native Call Queuing on Cisco Unified Communications Manager? (Choose two.)
A. Cisco IP Voice Media Streaming Service must be activated on at least one node in the cluster.
B. Unicast music on hold audio source must be configured.
C. Cisco RIS data collector service must be running on the same server as the Cisco CallManager service.
D. The maximum number of callers allowed in the queue must be 10.
E. The phone button template must have the Queue Status Softkey configured.
Correct Answer: AC
QUESTION 37
What is the relationship between partition, time schedule, and time period in Time-of-Day routing in Cisco Unified Communications Manager?
A. A partition can have multiple time schedules assigned. A time schedule contains one or more time periods.
B. A partition can have one time schedule assigned. A time schedule contains one or more time periods.
C. A partition can have multiple time schedules assigned. A time schedule contains only one time period.
D. A partition can have one time schedule assigned. A time schedule contains only one time period.
Correct Answer: A
QUESTION 38
Configure Call Queuing in Cisco Unified Communications Manager. Where do you set the maximum number of callers in the queue?
A. in the telephony service configuration
B. in the queuing configuration
C. in Cisco Unified CM Enterprise Parameters
D. in Cisco Unified CM Service Parameters
Correct Answer: B
QUESTION 39
A user reports that when they attempt to log out from the Cisco Extension Mobility service by pressing the Services button, they cannot log out. What is the most likely cause of this issue?
A. The Cisco Extension Mobility service has not been configured on the phone.
B. There might be a significant delay between the button being pressed and the Cisco Extension Mobility service recognizing it. It would be best to check network latency.
C. The user device profile has not been assigned to the user.
D. The user device profile is not subscribed to the Cisco Extension Mobility service.
Correct Answer: D
QUESTION 40 What is a component of Cisco Unified Mobility?
A. Unified IVR
B. Mobile Connect
C. Smart Client Support
D. Single Number Connect
Correct Answer: B
QUESTION 41 When the services key is pressed Cisco Extension Mobility does not show up. What is the cause of the issue?
A. The URL configured for Cisco Extension Mobility is not correct.
B. Cisco Extension Mobility Service is not running.
C. The phone is not subscribed to Cisco Extension Mobility Service.
D. Cisco Extension Mobility is not enabled in the Phone Configuration Window (Device > Phone)
Correct Answer: C
QUESTION 42 What are the elements for Device Mobility
configuration?
A. physical location, device pool, and Device Mobility group
B. device pool, Device Mobility group, and region
C. physical location. Device Mobility group, and region
D. device pool, Device Mobility group, and Cisco IP phone
Correct Answer: A
QUESTION 43
Which services are needed to successfully implement Cisco Extension Mobility in a standalone Cisco Unified Communications Manager server?
A. Cisco Extended Functions, Cisco Extension Mobility, and Cisco AXL Web Service
B. Cisco CallManager, Cisco TFTP, and Cisco CallManager SNMP Service
C. Cisco CallManager, Cisco TFTP, and Cisco Extension Mobility
D. Cisco TAPS Service, Cisco TFTP, and Cisco Extension Mobility
Correct Answer: C