Implementing Cisco IP Telephony amp; Video, Part 2 v1.0
Question No: 211
Which codec is recommended by Cisco for multisite music on hold deployment that spans through the WAN links?
A. G.711 B. G.723 C. G.729 D. G.722 E. G.728 F. G.725
Question No: 212
Which statement is not true about GARP? (SourcE. Hardening the IP Phone)
GARP attacks require access to the target LAN or VLAN.
GARP can be used for a man-in-the-middle attack.
GARP is normally used for HSRP.
GARP can be disabled at Cisco IP phones.
Explanation: Incorrect answer: ABD
GARP (Gratuitous ARP) announce the presence of IP Phone on the network. Link:
Question No: 213
Which parameter should be set to prevent H.323 endpoints from registering to Cisco TelePresence Video Communication Server automatically?
On the VCS, navigate to Configuration, Protocols, H.323, and set Auto Discover to off.
On the VCS, navigate to Configuration, Protocols, H.323, and set Auto Registration to off.
On the VCS, navigate to Configuration, Registration, Allow List, and set Auto Registration to off.
On the VCS, navigate to Configuration, Registration, Configuration, and set Auto Registration to off.
Question No: 214
If the device pool in the phone record does not match the device pools in the matching subnet, what will the system consider the phone to be?
Question No: 215
Which of the following are two functions that ensure that the telephony capabilities stay
operational in the remote location Cisco Unified SRST router? (Choose two)
Automatically detecting a failure in the network.
Initiating a process to provide call-processing backup redundancy.
Notifying the administrator of an issue for manual intervention.
Proactively repairing issues in the voice network.
Question No: 216
You have deployed a Cisco 2821 ISR to perform as an SRST voice gateway at a remote site. During a network failure between the remote site and the central office, some of the phones located at the remote site are unable to make phone calls. Which two options are potential causes of the problem? (Choose two.)
The site has exceeded the number of SRST endpoints supported by the voice gateway.
The ccm-manager fallback command is configured incorrectly on the voice gateway.
Phones at the remote site are assigned to the incorrect device pool.
The ccm-manager fallback-mgcp command is configured incorrectly on the voice gateway.
The site has exceeded the number of simultaneous calls allowed in SRST mode.
Question No: 217
When using Cisco Unified Communications Manager Express in SRST mode, how many multicast music on hold streams can be utilized by the system at any given time?
Question No: 218
Refer to the following exhibit.
The MGCP gateway has the following configurations:
called party transformation CSS HQ_cld_pty CSS (partition=HQ cld_pty.Pt) call.ng party transformation CSS HQ_clng_pty CSS (partition=HQ_clng_pty Pt)
All translation patterns have the check box quot;Use Calling Party#39;s External Phone Number Maskquot; enabled.
When the IP phone at extension 3001 places a call to 9011 49403021 56001# what is the resulting called and calling number that is sent to the PSTN?
The called number is 01 1 49403021 56001. The calling number will be 5553001 and number type set to subscriber.
The called number is 011 49403021 56001. The calling number will be 5215553001 and number type set to national.
The called number is 4940302156001 with number type set to international. The calling number will be 5215553001 and number type set to national.
The called number is 49403021 56001 with number type set to international. The calling number will be 5215553001 and number type set to subscriber.
Explanation: Incorrect answer: BCD
Check the check box quot;Use Calling Party#39;s External Phone Number Maskquot; if you want the full, external phone number to be used for calling line identification (CLID) on outgoing calls. You may also configure an External Phone Number Mask on all phone devices.
Link: http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a00805 b6f33.shtml
Question No: 219
While troubleshooting a connectivity issue between Cisco Unified Communications Manager,
Expressway-C, and Expressway-E, an engineer sees this output in the Expressway-E logs.
Event=”Authentication Failed” Service=”SIP” Src-ip=”10.50.2.1″
Src-port=”25723″ Detail=”Incorrect authentication credential for user” Protocol “TLS” Method=”OPTIONS” Level=”1″
What is the cause of this issue?
The Expressway-C Traversal Server username/password do not match the Expressway-E Traversal Zone username/password.
The Expressway-C Traversal Client username/password do not match the Expressway-E Traversal Server username/password.
The Expressway-C Traversal Zone username/password do not match the Expressway-E Traversal
The Expressway-C Traversal Zone username/password do not match the Expressway-E Traversal Client username/password.
The Expressway-C Traversal Server username/password do not match the Expressway-E Traversal Client username/password.
Question No: 220
Refer to the exhibit.
An engineer is deploying a new Cisco VCS Expressway for a company and has configured the IP address and the system name. After logging into the Cisco VCS Expressway admin
page, the engineer sees this output. Which four options must be configured to complete the Cisco VCS
Expressway system configuration? (Choose four.)
Cisco Unified Communications Manager IP address
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