Braindumps of 642-436
Cisco Voice over IP (CVOICE)
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QUESTION NO: 1
Which two statements describe the purpose of the technology
prefix? (Choose two.)
A. Technology prefixes are configured on gateways to
indicate to the gatekeeper whether they support voice
B. Technology prefixes must always be configured on
C. Technology prefixes are used to identify different
types or classes of gateways.
D. Technology prefixes areprepended to the destination
address by the gateway.
E. Technology prefixes have to be unique on each gateway.
QUESTION NO: 2
Which statement is true about only out-of-band signaling?
A. A signaling bit is robbed from each frame.
B. Signaling bits are sent in a special order in a dedicated
C. All signaling is directly associated with its corresponding
D. All voice packets carry their own signaling.
QUESTION NO: 3
Examine the example output.
interface Ethernet 0/0
ip address 172.16.2.1 255.255.255.0
h323-gateway voip interface
h323-gateway voip id GK1-zone1.abc.com abc.com ipaddr
h323-gateway voip h323-id GW1
h323-gateway voip bind srcaddr 172.16.2.1
dial-peer voice 1 voip
dial-peer voice 2 pots
no register e164
Choose the command that will restore communication with
gatekeeper functionality to this device.
A. h323-gatewayvoip h323-id GK1
C. h323-gatewayvoip bind srcaddr 172.16.2.2
D. h323-gatewayvoip GW1-zone2.abc.com abc.com ipaddr
QUESTION NO: 4
Which two are attributes of SCCP? (Choose two.)
A. It is Cisco proprietary.
B. It is a supervisory signaling protocol.
C. It is classified as client/server architecture.
D. SCCP devices are considered intelligent endpoints.
QUESTION NO: 5
Which option is true concerning the MGCP call agent?
A. Acts only as a recorder of call details
B. Provides only call signaling and call setup
C. Manages all aspects of the call and voice stream
D. Monitors the quality of each call after setup
QUESTION NO: 6
Which statement best describes gatekeeper operation
when the technology prefix is matched and thegatekeeper
is using the technology prefix with hopoff?
A. The gatekeeper always forwards the call to the zone
specified in thehopoff command.
B. The gatekeeper only forwards the call to thehopoff
zone if the zone prefix does not match.
C. The gatekeeper attempts to forward the call to thehopoff
zone, but if this fails, it will forward the call to
the zone specified in the zone prefix command.
D. The gatekeeper attempts to forward the call to the
zone specified in the zone prefix command first, but
if this fails, it will forward the call to the zone
specified in the hopoff command.
QUESTION NO: 7
In which three RAS messages is the technology prefix
sent? (Choose three.)
QUESTION NO: 8
Which path selection mechanism lets you choose either
the even or odd channels first?
A. hunt groups
B. trunk groups
C. tailend hopoff
D. Call Admission Control
QUESTION NO: 9
Which mechanism do you use to implement calling privileges
on Cisco Unified Communications Manager Express?