QUESTION 141
Users are complaining that they hear echo when they place calls to the PSTN through the HQ_PSTN
gateway. The voice port configuration for the gateway is as follows:
voice-port 1/0:23 input gain -1 output attenuation 1
echo-cancel erl worst-case 3
Why are users hearing echo? Select the best response.
A. The echo canceller is functioning properly and some echo is to be expected on every call.
B. The actual ERL is 2dB; however, the echo canceller still does not acknowledge the input signal as echo because it is lower than the echo-cancel erl worst-case 3 command.
C. The echo canceller should be configured so that SIN and SOUT have a 2 dB difference in order to function properly.
D. InSignalLevel needs to be adjusted so that it is within the range from -20 dB to -25 dB
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 142
Which method can be used to correct database replication issues in a cluster running Cisco Unified
CallManager 5.0? Select the best response.
A. Enter the utils dbreplication repair command at the command-line prompt. B. Execute the dblhelper utility on the publisher.
C. Use the SQL Server Enterprise Manager application to recreate the database subscription. D. Run the Cisco Unified CallManager BARS utility to restore the database to the subscriber. E. Use the Informix database utility to recreate the database subscription.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 143
As a network technician, you should know the VoIP network components well. Which one of the following components can provide the CAC, bandwidth control and management, and address translation?
A. Gateway
B. Gatekeeper
C. MCU
D. Call agent
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 144
The following statements describe the icons’ functions displayed in the exhibit.
The GK icon can be clicked to view the output of the show gatekeeper endpoint command. The
CallManager cluster can be clicked to see the trunk configuration screens. The X of each popup can be clicked to return to the item.
In order to support three local zones West, East and EMEA, the 10.1.110.1 router is configured with a gatekeeper. After issuing the show gatekeeper endpoints command, you find that the West zone device is lost. Please choose the proper measure that should be taken to the configuration in the CallManager for it to register with the gatekeeper of the zone West.
A. Restart the callmanger so it can register with the gatekeeper
B. Change the Device Name to be the IP address of the gatekeeper in the CallManager Trunk
Configuration page
C. Set the Terminal Type to terminal in the Gatekeeper Information field of the Trunk Configuration
D. Configure a zone name on the CallManager trunk
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 145
CRTP can compress some specific headers. What are they? (Select three.)
A. Data link
B. IP
C. TCP D. UDP E. RTP F. sRTP
Correct Answer: BDE Section: (none) Explanation
Explanation/Reference: