CCIE Collaboration Written (400-051) Free Practice Test

Question 1

When implementing a Cisco Unified Communications Manager solution over an MPLS WAN, which two rules must be observed to prevent overrunning the priority queue? (Choose two.)

A. The media has to be symmetrically routed.

B. Only the connection to the MPLS WAN where the Cisco Unified Communications Manager resides must be enabled as a CE device.

C. RSVP will transparently pass application IDs from the customer network across the MPLS WAN.

D. If the CE is under corporate control, it may support either topology-aware or measurement-based CAC.

E. The media streams must be the same size in both directions.

Correct Answer: A,E

Question 2

Which option is a mandatory LDAP attribute for a user to be synchronized to Cisco Unified Communications Manager?

A. employeeNumber

B. mail

C. telephoneNumber

D. uid

E. sn

Correct Answer: E

Question 3

Refer to the exhibit. A user is going through a series of dialing steps on a SIP Type B IP phone (for example, a Cisco 7975) to call an SCCP IP phone. Both phones are registered to the same Cisco Unified Communications Manager cluster. Assuming the calling SIP phone is associated with a SIP Dial Rule with a pattern value of 2001, which statement about the call setup process of this call is true?

A. As soon as the user selects the Dial softkey, the SIP IP phone will forward all digits to Cisco Unified Communications Manager in a SIP INVITE message. Cisco Unified Communications Manager will extend the call only if class of service configuration on both phones permits this action.

B. Each digit will arrive at Cisco Unified Communications Manager in a SIP NOTIFY message as a KPML event, and Cisco Unified Communications Manager will extend the call as soon as the collected digits match the extension of the SCCP IP phone, bypassing class of service configuration on both IP phones.

C. Each digit will arrive at Cisco Unified Communications Manager in a SIP NOTIFY message as a KPML event. When the collected digits match the extension of the SCCP IP phone, Cisco Unified Communications Manager will extend the call only if the class of service configuration on both phones permits this action.

D. The SIP IP phone will wait for the interdigit timer to expire, and then send all digits to Cisco Unified Communications Manager in a SIP INVITE message. Cisco Unified Communications Manager will extend the call as soon as the collected digits match the extension of the SCCP IP phone, bypassing class of service configuration on both IP phones.

E. As soon as the user selects the Dial softkey, the SIP IP phone will forward all digits to Cisco Unified Communications Manager in a SIP INVITE message. Cisco Unified Communications Manager will extend the call as soon as the collected digits match the extension of the SCCP IP phone, bypassing class of service configuration on both IP phones.

Correct Answer: A

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Question 4

Refer to the Exhibit. An Engineer is troubleshooting transcoding issue in a remote branch office after a WAN outage. All IP phones can register to a CME in SRST 2900 ISR Router however, the users reported that calls disconnect after pressing the answer soft key.
Which three configuration are necessary for successful media resource failover? (Choose three)

A. SCCP ccm group 1
Associate ccm 3 priority 1

B. Sccp ccm group 1
Associate ccm 3 priority 3

C. Telephony-service
Sdspfarm units 1
Sdspfarm tag 1 XD-REMOTE

D. Sccp ccm 10.1.1.2
identifier 1 version 7.0

E. SCCP ccm 10.1.1.2
identifier 3 version 7.0

F. Associate profile 3
register XD-REMOTE2

Correct Answer: B,C,E

Question 5

Which Cisco IOS-XE dial-peer command has the lowest preference for inbound SIP dial-peer matching?

A. Answer-address <number-string>

B. Incoming URI to <uri-tag>

C. Incoming called-number e164-pattern-map <pattern-map-no>

D. Destination-pattern <number-string>

E. Incoming called-number <number-string>

Correct Answer: D

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Question 6

Refer to the exhibit. How many inbound calls can be handled simultaneously between ephone 1 and ephone 2 before a user busy tone is returned?

A. 8

B. 7

C. 6

D. 9

E. 11

Correct Answer: C

Question 7

Refer to the exhibit. A CUCM engineer is working with Globalization and localization on H323 gateway.
Which four configuration changes are needed to achieve the result on the exhibit? (Choose four)

A. Create as CSS and PT for calling party transformation pattern

B. Add 9011 in the International Number prefix field on the Incoming Calling Party Settings.

C. Assign the calling party transformation CSS to the device pools in the cluster

D. Assign a transformation profile in the incoming transformation profile setting in the E 164 transformation number prefix field

E. Create a Calling Party Transformation pattern with pattern 90ll.! and DDi Predot.

F. Assign the Calling Party Transformation CSS to the Calling Party Transformation CSS field in theH323 Gateway.

G. Uncheck the use device pool calling party transformation CSS on all the phones

H. Create a transformation profile and add 9011 in the international number prefix field

Correct Answer: A,C,D,H

Question 8

Which SIP request is used by a Cisco 9971 IP Phone to signal DND status changes to Cisco Unified Communications Manager?

A. INFO

B. NOTIFY

C. PUBLISH

D. UPDATE

E. REGISTER

Correct Answer: C

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Question 9

Which two statements about the Peer Firmware Sharing option for IP phone firmware distribution are true? (Choose two.)

A. This option mandates that the parent phone and child phones be identical, selected phone models.

B. This option allows firmware transfers between phones in different subnets, as long as the round-trip delay is less than 5 milliseconds.

C. This option uses a parent-child hierarchy in which a firmware image is downloaded by a parent phone to up to three directly associated child phones.

D. This option uses a parent-child hierarchy that must be manually defined by the Cisco Unified Communications Manager administrator.

E. This option must be enabled on Cisco Unified Communications Manager service parameters for Cisco TFTP.

F. This option allows falling back to the TFTP server in the Cisco Unified Communications Manager cluster.

Correct Answer: A,F

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Question 10

Refer to the exhibit. If this SIP call is initiated using early offer, which SIP message will UA#2 use to communicate its media capability to UA#1?

A. 200 OK

B. 180 Ringing

C. INVITE

D. RTP Media

E. ACK

Correct Answer: A

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Question 11

Refer to the exhibit. A network engineer is troubleshooting a NTP synchronized issue in CUCM.
Why is NTP Unsynchronized?

A. The NTP server stratum is higher than four

B. A firewall is blocking NTP port 123

C. The IOS Command NTP server 172.25.140.151 version 3 is advertising NTPv3

D. The NTP server used is a Windows based NTP server

Correct Answer: D

Question 12

Refer to the exhibit. Which option correctly describes the output shown?

A. The ccm-manager fallback-mgcp command was missing from the configuration

B. Fallback to the PRI worked successfully when the connection to CUCM was lost

C. The ccm switchback uptime-delay was incorrectly set to immediate instead of graceful

D. Redundant CUCM server will be tried after 15 seconds has passed

Correct Answer: A

Question 13

A Call is made between two desk phones enabled with single number reach that are registered to a cisco unified CM cluster. The device pool for each device has a local route group defined.
When the call is placed to exit the system, which device pool control the destination gateway?

A. Source RDP

B. Destination phone

C. Destination RDP

D. Source Phone

Correct Answer: D

Question 14

Which device is the initiator of a StationD message in a Cisco Unified Communications Manager SDI trace?

A. SIP IP phone

B. SCCP IP phone

C. MGCP analog gateway

D. Cisco Unified Communications Manager

E. digital voice gateway

Correct Answer: D

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Cisco CCIE Collaboration Written (400-051) Free Practice Test