Question No. 1

Which two options should be used to create a secure traversal zone between the Expressway-C and Expressway-E? (Choose two.)

• A. Expressway-C and Expressway-E must trust each other’s server certificate.
• B. One Cisco Unified Communications traversal zone for H.323 and SIP connections.
• C. A separate pair of traversal zones must be configured if an H.323 connection is required and Interworking is disabled.
• D. Enable username and password authentication verification on Expressway-E.
• E. Create a set of username and password on each of the Expressway-C and Expressway-E to authenticate the neighboring peer.

Question No. 2

Which are DSCP values set for video traffic?

• A. DSCP is configured in the device configuration section of Cisco Unified Communications Manager and in the Expressways
• B. The endpoint overrides the DSCP values configured anywhere else
• C. DSCP is configured under service parameters in Cisco Unified Communications Manager and in the Expressways.
• D. DSCP can be configured only in the network with QoS policies
• E. DSCP can be set only on the video endpoint itself to ensure that the correct value is sent.

Question No. 3

A CUCM cluster has been set up with one to one (1:1) call processing redundancy. What two occurrences will seen when the primary subscriber fails? (Choose two)

• A. The secondary subscriber will start its CallManager service
• B. 40 SCCP phones per second will be able to register to the secondary subscriber.
• C. The secondary subscriber will start its TFTP service
• D. 125 SCCP phones per second will be able to register to the secondary subscriber.
• E. 40 SIP phones per second will be able to register to the secondary subscriber.
• F. 125 SIP phones per second will be able to register to the secondary subscriber

Question No. 4

Refer to the exhibit.

Which configuration change is needed to enable NANP international dialing during MGCP fallback?

• A. Change the dial peer to dial-peer voice 901 voip.
• B. Change the dial peer to dial-peer voice 9011 pots.
• C. Add the command prefix 011 to the dial peer.
• D. Add the command prefix 9011 to the dial peer.

Question No. 5

In Cisco Unified Communications Manager region configuration, you have ‘Maximum Audio Bit Rate’ set to 256 kbps between region A and region B.

Which description is true?

• A. If the total bandwidth for all calls between region A and B goes beyond 256 kbps, Cisco Unified
• B. A single call between region A and B uses bandwidth of exactly 256 kbps.
• C. The total bandwidth for all calls between region A and B uses up to 256 kbps.
• D. A single call between region A and B uses bandwidth of up to 256 kbps.

Question No. 6

Which device must be responsible for properly making network traffic when a cisco ip phone is connected to a cisco switch?

• A. core layer switch
• B. access layer switch
• C. branch router
• D. Cisco IP phone

Question No. 7

An engineer must ensure that a device register to Cisco VCSC. Which protocol accomplish this task?

• A. H.260
• B. H.264
• C. MGCP
• D. SIP

Question No. 8

What is the standard Layer 3 DSCP media packet value that should be set for Cisco TelePresence endpoints?

• A. CS3 (24)
• B. EF (46)
• C. AF41 (34)
• D. CS4 (32)

Question No. 9

Which two options are dial plan elements that Global Dial Plan Replication allows independent clusters to share with each other using the Intercluster Lookup service?

• A. enterprise alternate numbers
• B. voicemail profites
• C. +W.164 alternate numbers
• D. external phone number masks
• E. actual directory numbers

Question No. 10

How is the peer address configured when ExpresswayE has only one NIC enabled and is using static NAT mode?

• A. Expressway-E DHCP
• B. Cisco Unified Communications Manager DHCP
• C. Expressway-E FQDN
• D. Cisco Unified Communications Manager FQDN

Question No. 11

How many Cisco Unified Mobility destinations can be configured per user?

• A. 1
• B. 10
• C. 4
• D. 6

Question No. 12

Refer to the exhibit.

An engineer receives a ticket to troubleshoot a one-way audio issue with these symptoms:

User A can hear user and vice vers

a.

User A can hear user C, however user cannot hear user A.

User can heat user C, however user cannot hear user .

Which two properties are the most likely reasons for this issue? (Choose two.)

• A. The Cisco EX60 default gateway of user is missing from the network configuration.
• B. The NAT device is allowing only RTP/RTCP ports from the internal network to the DMZ.
• C. The Cisco EX60 of user is not responding to requests coming from the TMS server.
• D. The Cisco VCS Expressway is not responding to the SIP INVITE coming from the Cisco VCS
• E. The router does not have a route back from the DMZ to the internal network.

Question No. 13

Which situation requires TCP port 443 to be open for packets that are sourced from the Internet with a destination in the corporate DMZ?

• A. when video endpoints that reside on the Internet require administrative access to the Cisco
• B. when you require encrypted calls to endpoints on your corporate LAN
• C. when you want to enable calls to web applications by using HTTP
• D. when you require administrative access to the Cisco Expressway Edge from the Internet

Question No. 14

The network administrator has been investigating bandwidth issues between the central office and remote sites where location-based CAC is implemented. What does the Cisco Unified Communications Manager “LocationOutOfResources” counter indicate?

• A. This counter represents the total number of times that a call on a particular Cisco Unified Communications Manager through the location failed due to lack of bandwidth.
• B. This counter represents the total number of times that a call through locations failed due to the lack of bandwidth.
• C. This counter represents the total number of failed video-stream requests (most likely due to lack of bandwidth) in the location where the person who initiated the video conference resides.
• D. This counter represents the total number of times since the last restart of the Cisco IP Voice Streaming Application that a Cisco Unified Communications Manager connection was lost.