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Cisco 350-801 Practice Test - Questions Answers, Page 7
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Question 61
An engineer must extend the corporate phone system to mobile users connecting through the internet with their own devices. One requirement is to keep this as simple as possible for end users.
Which infrastructure element achieves these goals?
Cisco Expressway-C and Expressway-E
Cisco Unified Instant messaging and presence
Cisco Unified Border Element
Cisco Express Mobility
Question 62
Which endpoint feature is supported using Mobile and Remote Access through Cisco Expressway?
SSO
H.323 registration proxy to Cisco Unified Communications Manager
MGCP gateway registration
SRST
Question 63
An engineer must configure an MGCP gateway and register it to Cisco Unified Communications Manager. Which prerequisite must be met before applying the gateway commands to enable MGCP?
The MGCP gateway and the Cisco Unified CM must be able to communicate over 2427,2428, and 2727.
The MGCP gateway must have voice service VoIP configured.
Cisco Unified CM and the MGCP gateway must utilize the SIP OPTIONS ping feature to monitor status.
The MGCP gateway and the Cisco Unified CM must be able to communicate over ports 5060 and 5061.
Question 64
Which two functions are provided by Cisco Expressway series? (Choose two.)
endpoint registration
interworking of SIP and H.323
voice and video conferencing
voice and video transcoding
intercluster extension mobility
Question 65
Which call flow matches traffic from a Mobile and Remote Access registered endpoint to central call control?
Endpoint > Expressway-C > Cisco unified CM
Endpoint > Expressway-E > Cisco Unified CM
Endpoint > Expressway-C > Expressway-E > Cisco Unified CM
Endpoint > Expressway-E > Expressway-C > Cisco Unified CM
Question 66
Which issue can occur if QoS is not Deployed on a Cisco Collaboration architecture across the WAN?
Unexpected shut-down on Cisco Unified Communications Manager
Packet fragmentation
403 Forbidden errors on SIP calls
Excessive jitter
Question 67
Which configuration step is necessary for a Cisco SIP phone to synchronize its time with a specific source?
Change the Time Zone from "America/Los_Angeles" to "Etc/GMT+8".
Add a phone NTP Reference to the date/time Group.
Assign the device to the correct region.
Change the time format from 24-hour to 12-hour.
Question 68
Refer to the exhibit.
AN engineer configures a VoIP dial peer on a Cisco gateway. which codec is used?
G.711ulaw
No codec is used (missing codec command).
G.711alaw
G.729r8
Question 69
Due to provider requirements, outgoing calls from the Enterprise to the PSTN must start with channel 1. Which ISDN command changes the channel selection on IOS to meet this requirement?
isdn bchan-number-order ascending
isdn protocol-emulate network
isdn incoming-voice
isdn bchan-number-order decending
Question 70
How can an engineer determine location-based CAC bandwidth requirements for Cisco Unified communication Manager?
Execute the Resource Reservation protocol to return location-based requirements.
Calculate the number of calls against the license for Cisco Unified Border Element to determine calls per location.
Set the requirements in the service parameters.
Add the requirements for each audio and video codec and how many calls must be supported.
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