For MPEG2 to sustain full motion video at 720X480 resolution, network bandwidth required must be less than how many kilobits per second?
A. 10,000
B. 100
C. 1000
D. 1
Which Network Alarm statuses are used to monitor network facilities trunk services?
A. GREEN and YELLOW Alarms
B. RED and GREEN Alarms
C. RED and YELLOW Alarms
D. RED and ORANGE Alarms
Channel Network Clocks are used to provide the timing source for what kind of data?
A. Old
B. A and B
C. Transmit
D. Discarded
E. Receive
F. A and D
What is the number of scan lines and the frequency for NTSC video?
A. 625 lines and 60 Hz
B. 625 lines and 50 Hz
C. 525 lines and 60 Hz
D. 525 lines and 50 Hz
Dynamic Host Configuration Protocol is used to dynamically assign the
A. MAC address.
B. IP address
C. ISDN address
D. E.164 address
Which of the following are best referred to as a group of contiguous phone numbers in a block of 20 numbers assigned to the ISDN Primary Rate Trunk or Call by Call Port Group?
A. Dial Out Numbers
B. Local Directory Number
C. Direct In Dial Numbers
D. Local PBX Dial Out Numbers
E. Local Acknowledgement Dial In Numbers
Select three functions of a Gatekeeper.
A. Provides Conference Audio and Video
B. Provides Address Translation
C. Limits the number of Video / Audio sites conferencing on the network
D. Provides all the Content
E. Provides Bandwidth Management
F. Limits the distance between Video Coders
G. Provides Multipoint Conferencing
H. Allows International Video Calls
A popular way to select a Gateway is by using a
A. Direct In Dial Numbers of ISDN to IP with or without a Gatekeeper.
B. Set of numbers that point to the TEI of the D-Channel.
C. B and C
D. A and B
E. C and D
F. Gateway Prefix values registered on a Gatekeeper for IP to ISDN.
G. Gateway SPID values registered on a Gatekeeper for ISDN to IP.
Which of the following refers to Line coding used with the 2-wire, U reference of a Basic Rate Interface?
A. 2B1Q
B. BRTZ-AMI
C. HDB3
To setup a Videoconferencing system to be capable of ISDN speeds up to 512 kilobits per second, which of the following is required? (Select three of the following options.)
A. 3 BRI lines
B. 3 TE-2
C. 1 IMUX with 3 BRI line support
D. 4 NT-1
E. 1 IMUX with 4 BRI line support
F. 6 BRI lines
G. 4 TE-2
H. 3 NT-1
I. 4 BRI lines
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