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Implementing Cisco Collaboration Core Technologies (CLCOR) Question and Answers

Implementing Cisco Collaboration Core Technologies (CLCOR)

Last Update Apr 29, 2024
Total Questions : 273

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Questions 1

Which field is configured to change the caller ID information on a SIP route pattern?

Options:

A.  

Route Partition

B.  

Calling Party Transformation Mask

C.  

Called Party Transformation Mask

D.  

Connected Line ID Presentation

Discussion 0
Questions 2

Refer to the exhibit. How must the +E.164 translation pattern be configured to reach international number 496929810?

Options:

A.  

Option A

B.  

Option B

C.  

Option C

D.  

Option D

Discussion 0
Questions 3

Which SNMP service must be activated manually on the Cisco Unified Communications Manager after installation?

Options:

A.  

Cisco CallManager SNMP

B.  

SNMP Master Agent

C.  

Connection SNMP Agent

D.  

Host Resources Agent

Discussion 0
Questions 4

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?

Options:

A.  

in the DTMF setting under SIP profile on the Cisco Unified Border Element

B.  

in the dial peer on the Cisco IOS router

C.  

in regions on the Cisco UCM where the appropriate codec to use is set

D.  

in DTMF settings in the audio codec preference list under regions in the Cisco UCM

Discussion 0
Questions 5

An administrator is designing a new Cisco UCM for a company with many departments and firm structure on their communications policies. The administrator must make sure that these communication policies are reflected in the phone system setup. Certain departments cannot be accessed directly, even if they have dedicated DID numbers. Some phones, especially public phones, must not be able to dial international numbers Which type of function is configured to control which device is allowed to call another device in Cisco UCM?

Options:

A.  

partitions and calling search spaces

B.  

calling patterns and route patterns

C.  

regions and device pools

D.  

links and pipes

Discussion 0
Questions 6

An engineer is configuring a Cisco Unified Border Element to allow the video endpoints to negotiate without the Cisco Unified Border Element interfering in the process. What should the engineer configure on the Cisco Unified Border Element to support this process?

Options:

A.  

Configure path-thru content sdp on the voice service.

B.  

Configure a hardcoded codec on the dial peers.

C.  

Configure a transcoder for video protocols.

D.  

Configure codec transparent on the dial peers.

Discussion 0
Questions 7

A SIP phone has been configured in the system with MAC address 0030.96D2.D5CB. The phone retrieves the configuration file from the Cisco UCM. Which naming format is the file that is downloaded?

Options:

A.  

SIP003096D2D5CB.cnf.xml

B.  

SEP003096D2D5C

B.  

cnf.xml

C.  

SEP003096D2D5CB.cnf

D.  

SIP003096D2D5CB.cnf

Discussion 0
Questions 8

What is the traffic classification for voice and video conferencing?

Options:

A.  

Voice is classified as CoS 4, and video conferencing is CoS 5.

B.  

Voice and video conferencing are both classified is CoS 3.

C.  

Voice is classified as CoS 5, and video conferencing is CoS 4.

D.  

Video conferencing is classified as CoS 1, and voice is CoS 2.

Discussion 0
Questions 9

A company deploys centralized cisco ucm architecture for a hub location and two remote sites.

*The company has only one ITSP connection at the hub connection, and ITSP supports only G.711 calls

*Remote site A has a 1-Gbps fiber connection to the hub connection and calls to and from remote side A use G.711 codec

*Remote site B has a 1 T1 connection to the hub location and calls to and from remote site B use G.729 codec

Based on the provided guidance, a Cisco voice engineer must design media resource management for the customer What is the method that needs to be followed?

Options:

A.  

configure the hardware transcoder on the site B router

B.  

configure the hardware transcoder on the site A router

C.  

configure the hardware transcoder on the hub location router

D.  

configure the software transcoder on Cisco UCM to support voice calls to and from both remote sites

Discussion 0
Questions 10

An administrator works with an ISDN PRI that is connected to a third-party PBX. The ISDN link does not come up. and the administrator finds that the third-party PBX uses the OSIG signaling method. Which command enables the Cisco IOS Gateway to use QSIG signaling on the ISDN link?

Options:

A.  

isdn incoming-voice voice

B.  

isdn switch-type basic-ni

C.  

isdn switch-type basic-qsig

D.  

isdn switch-type primary-qsig

Discussion 0
Questions 11

What happens when a Cisco IP phone loses connectivity to the duster during an active call?

Options:

A.  

The call continues to be active, but features like transfer or hold do not work.

B.  

The call continues and all features work.

C.  

The call drops immediately.

D.  

The call drops after missing two keepalives from Cisco UCM.

Discussion 0
Questions 12

An administrator installed a Cisco Unified IP 8831 Conference Phone that is failing to register. Which two actions should be taken to troubleshoot the problem? (Choose two.)

Options:

A.  

Verify that the switch port of the phone is enabled.

B.  

Verify that the RJ-11 cable is plugged into the PC port.

C.  

Disable HSRP on the access layer switch.

D.  

Check the RJ-65 cable.

E.  

Verify that the phone's network can access the option 150 server.

Discussion 0
Questions 13

Which option must be used when configuring the Local Gateway for a Cisco Webex Calling trunk?

Options:

A.  

local authentication

B.  

certificate-based

C.  

mutual TLS

D.  

Auth-based

Discussion 0
Questions 14

What happens to voice packets from a Cisco 8845 IP phone in the QoS trust boundary?

Options:

A.  

The voice packets are not trusted, and the access layer switch reclassifies the packets.

B.  

The voice packets are classified by the phone, and the classification is accepted

C.  

The voice and access layer switch negotiate the classification of packets

D.  

Cisco UCM determines how the voice packers are classified.

Discussion 0
Questions 15

Refer to the exhibit. When making a call to a Mobile and Remote Access client, what are the combinations of protocol on each of the different sections A-B-C?

Options:

A.  

IP TCP/TLS (A) + SIP TCP/TLS (B) + SIP TLS (C)

B.  

SIP TCP/TLS (A) + SIP TCP/TLS (B) + SIP TCP/TLS (C)

C.  

SIP TLS (A) + SIP TLS (B) + SIP TLS (C)

D.  

SIP TCP/TLS (A) + SIP TLS (B) + SIP TLS (C)

Discussion 0
Questions 16

Why would we not include an end user’s PC device in a QoS trust boundary?

Options:

A.  

The end user could incorrectly tag their traffic to advertise their PC as a default gateway.

B.  

The end user could incorrectly tag their traffic to bypass firewalls.

C.  

There is no reason not to include an end user's PC device in a QoS trust boundary.

D.  

The end user may incorrectly tag their traffic to be prioritized over other network traffic.

Discussion 0
Questions 17

An engineer roust configure DTMF relay on a Cisco Unified Border Element by using RFC2833 as the preferred relay mechanism and KPML as the

next preferred relay mechanism. The engineer logs in to the CUBE and enters the dial-peer configuration level. Which command should be run at

dial-peer configuration level?

Options:

A.  

dtmf-relay sip-kvmi rtp-nte

B.  

dtmf- relay rtp-nte sip-kpml

C.  

dtmf-relay sip-kgml rtp-inband

D.  

dtmf-relay rtp-inband sip-kvmi

Discussion 0
Questions 18

An engineer troubleshoots outbound can failure on an ISDN-PRI circuit. The engineer ts suspecting the 'Incomplete Destination". Which debugs or commands are run in the voice gateway to troubleshoot the issue?

Options:

A.  

debug isdn q921

term mon

B.  

debug voip ecapi inout

show controller ti

C.  

debug isdn q931

show isdn status

D.  

debug isdn q921

debug voip ecapi inout

Discussion 0
Questions 19

An engineer is asked to implement on-net/off-net call classification in Cisco UCM. Which two components are required to implement this configuration? (Choose two.)

Options:

A.  

CTI route point

B.  

SIP route patterns

C.  

route group

D.  

route pattern

E.  

SIP trunk

Discussion 0
Questions 20

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?

Options:

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.

Discussion 0
Questions 21

How many minutes does it take for automatic fallback to occur in a Presence Redundancy Group if the primary node lost a critical service?

Options:

A.  

5 min

B.  

10 min

C.  

30 min

D.  

60 min

Discussion 0
Questions 22

Which characterstic of distributed class- based weighted fair queueing addresses jitter

prevention?

Options:

A.  

It provides additional granularity by allowing a user to create classes

B.  

It minimizes jitter by implementing a priority queue for voice traffic

C.  

It uses a priority queue for voice traffic to avoid jitter.

D.  

It provides additional granularity by allowing a user to define custom class

Discussion 0
Questions 23

Refer to the exhibit. Cisco Unified element is attempting to establish a call with Subcribers1, but the call fails. Cisco Unified Border Element then retries the same call with Subcribers2, and the call proceeds normally.

Which action resolves the issue?

Options:

A.  

Verify that the correct calling search space is selected for the inbound Calls section

B.  

Verify that the run on all active United CM Nodes checkbox is enabled

C.  

Verify that the Significant Digits field for inbound Calls is set to All.

D.  

Verify that the PSTN Access checkbox is enabled.

Discussion 0
Questions 24

Which dial plan function restricts calls that are made by a lobby phone to internal extensions only?

Options:

A.  

manipulation of dialed destination

B.  

path selection

C.  

calling privileges

D.  

endpoint addressing

Discussion 0
Questions 25

Refer to the exhibit. The translation rule is configured on the voice gateway to translate DNIS. What is the outcome if the gateway receives 0255-343-1234 as DNIS?

Options:

A.  

The translation rule is not matched because DNIS does not end with a "$".

B.  

The translation rule is matched and the translated number is 02553431234.

C.  

The translation rule is matched and the translated number is 025553431234.

D.  

The translation rule is not matched because DNIS contains"-".

Discussion 0
Questions 26

A collaboration engineer troubleshoots issues with a Cisco IP Phone 7800 Series. The IPv4 address of the phone is reachable via ICMP and HTTP, and the phone is registered to Cisco UCM However the engineer cannot reach the CU of the phone Which two actions in Cisco UCM resolve the issue? (Choose two)

Options:

A.  

Enable SSH Access under Product Specific Configuration Layout in Cisco UCM

B.  

Disable Web Access under Product Specific Configuration Layout in Cisco UCM

C.  

Set a username and password under Secure Shell information in Cisco UCM

D.  

Enable Settings Access under Product Specific Configuration Layout in Cisco UCM

E.  

Enable FIPS Mode under Product Specific Configuration Layout in Cisco UCM

Discussion 0
Questions 27

SIP proxies have operations defined in RFC 3261 and supporting extensions. Though no lETF RFC completely defines how SBCs must function. SBCs evolved over the years.

Which two operations demonstrate the high-level differences between SBCs and SIP proxies? (Choose two.)

Options:

A.  

Stateful proxies are context-aware and can terminate communication sessions by themselves

B.  

SlP proxies add a Via header and optionally a Record-Route header, and the rest of the headers are left untouched

C.  

SBCs can modify headers such as To, From, Contact, and Call-D.lt can introduce new headers into the SIP message

D.  

SBCs are capable of interworking completely different protocols to set up, modify, and tear down communication sessions. It includes SIP, H.323,and MGCP protocols

E.  

SIP proxies are SDP-aware and can change the SDP bodies

Discussion 0
Questions 28

Refer to the exhibit. A collaboration engineer configures Cisco UCM to act as a DHCP server. What must be done next to configure the DHCP server?

Options:

A.  

Restart the Cisco DHCP Monitor Service under Cisco Unified Serviceability

B.  

Add the new DHCP server to the primary DNS server

C.  

Restart the TFTP service under Cisco Unified Serviceability.

D.  

Add a DHCP subnet to the DHCP server under Cisco UCM Administration.

Discussion 0
Questions 29

Where in Cisco UCM is restrictions on audio bandwidth configured?

Options:

A.  

location

B.  

partition

C.  

region

D.  

serviceability

Discussion 0
Questions 30

Which two protocols can be configured for the Cisco Unity Connection and Cisco UCM integration? (Choose two.)

Options:

A.  

H. 323

B.  

SIP

C.  

SCCP

D.  

MGCP

E.  

RTP

Discussion 0
Questions 31

When multiple potential patterns are present, which two things are considered when Cisco UCM selects a destination pattern? (Choose two.)

Options:

A.  

The pattern matches the shortest explicit prefix.

B.  

The pattern does not match the dialed string.

C.  

The pattern represents the smallest number of endpoints.

D.  

The pattern matches the dialed string.

E.  

The pattern represents the largest number of endpoints.

Discussion 0
Questions 32

Refer to the exhibit. An engineer configures a VoIP dial peer on a Cisco gateway. Which codec is used?

Options:

A.  

G711alaw

B.  

No codec is used (missing codec command)

C.  

G.711ulaw

D.  

G729r8

Discussion 0
Questions 33

Where in Cisco UCM are codec negotiations configured for endpoints?

Options:

A.  

under device profiles in device settings

B.  

in in-service parameters

C.  

under regions using preference lists

D.  

in enterprise parameters

Discussion 0
Questions 34

What should be used to detect common issues on a Cisco IOS XE-based Local Gateway and generate an email?

Options:

A.  

Real-Time Monitoring Tool

B.  

diagnostic signatures

C.  

syslog

D.  

SNMP

Discussion 0
Questions 35

Refer to the exhibit. An administrator must replace the T1 card with an E1 card. What is the correct configuration if the administrator was asked to configure 12 time slots?

Options:

A.  

B.  

C.  

D.  

Discussion 0
Questions 36

An engineer is configuring IP telephony. The network relies on DHCP to provide TFTP server addresses to the endpoints. Policy requires the endpoints to receive two server addresses. Which DHCP option must be configured?

Options:

A.  

66

B.  

143

C.  

150

D.  

166

Discussion 0
Questions 37

Due to service provider restriction. Cisco UCM cannot send video in the SDR Which two options on Cisco UCM are configured to suppress video in the SDP in outgoing invites? (Choose two.)

Options:

A.  

Add the audio forced command to voice service VoIP on the Cisco Unified Border Element.

B.  

Check the Retry Video Call as Audio on the SIP trunk.

C.  

Set Video Bandwidth in the Region settings to 0.

D.  

Change the Video Capabilities dropdown on the endpoint to Disabled.

E.  

Check the Send send-receive SDP in mid-call INVITE check box on the SIP trunk SIP profile.

Discussion 0