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Question 1:
What is the default IP address used to connect to the Resource Manager or Converged Management Application (CMA)?
A. 192.168.1.50
B. 192.168.1.1
C. 192.168.1.254
D. 192.168.1.101
Correct Answer: C
Question 2:
Which of the following can only be changed using the HDX browser interface?
A. Home Screen button layout
B. Time and date
C. Audio settings
D. Camera settings
Correct Answer: A
Question 3:
During a H.323 Videoconference, what is the correct bandwidth used by the G.711 and G.722 audio algorithms in a 256K conference call?
A. 30,000 bits per second
B. 40,000 bits per second
C. 128,000 bits per second
D. 64,000 bits per second
Correct Answer: D
Question 4:
UDP Media Channels are identified by:
A. 32 bit Address or Signaling Port and ISDN Port Number.
B. 48 bit MCU Number and the 32 bit Gateway Number.
C. 32 bit Source Port Number and 32 bit Destination Port Number.
D. 16 bit Source Port Number and 16 bit Destination Port Number.
E. V35 Port and RS449 Port.
F. none of the above.
Correct Answer: D
Question 5:
Which of the following is the most important component of H.221 connectivity?
A. Video Intra Frames Signals and Data Collaboration Signals
B. Frame Alignment Signal and Bit Rate Allocation Signal
C. Encryption Control Signal and Video Conference Signal
D. Audio Signals and Data Collaboration Signals
Correct Answer: B
Question 6:
Pick the best match; Audio “Critical Distance” is a definition that relates to:
A. Distance between the audio amplifier inputs and room microphone
B. Distance between the person speaking and the microphone used
C. Distance between the video display monitor and camera
D. Distance between the walls, floor to ceiling, and doorways
Correct Answer: B
Question 7:
Which of the following describes frequency response?
A. Ability to determine frequency content of a signal
B. Ability of a device to respond to amplitude changes
C. Ability of a circuit to define operating frequency limits
D. Ability of a device to operate within defined frequency limits
Correct Answer: D
Question 8:
Which audio coding uses 8 Kbps?
A. G.711
B. G.722
C. G.729
D. G.728
E. G.722.1
Correct Answer: C
Question 9:
Select two reasons for Cascading the MCU.
A. Create Conferences with a number of Audio Visual Terminals that are smaller than one MCU capabilities
B. Create Conferences with a number of Audio Visual Terminals that are larger than one MCU capabilities
C. Eliminate International Calls
D. Save on Network access and connectivity expenses
E. Eliminate Network access and connectivity expenses
F. Create A Voice Activated Switching conference with a number of Audio Terminals
Correct Answer: BD
Question 10:
Which of the following are the correct descriptions of B and H0? (Select two of the following options.)
A. “B-Channel” has 64 kilobits per second of bandwidth
B. “B-Channel” has 48 kilobits per second of bandwidth
C. “B-Channel” has 128 kilo bits per second of bandwidth
D. “H0-Channel” has 1.920 million bits per second of bandwidth
E. “H0-Channel” has 1.544 million bits per second of bandwidth
F. “H0-Channel” has 384 kilobits per second of bandwidth
Correct Answer: AF
Question 11:
H.323 describes which Standards for minimum compliance operations for Visual Telephony?
A. G.711 / H.261 / H.222 / H.245
B. G.722 / H.261 / H.225 / H.245
C. G.711 / H.262 / H.225 / H.245
D. G.711 / H.261 / H.225 / H.245
E. G.711 / H.263 / H.222 / H.245
F. G.722 / H.264 / H.222 / H.245
G. G.722 / H.263 / H.222 / H.245
Correct Answer: D
Question 12:
BERT testing is used for what purpose?
A. Verifying the number of Video bit errors
B. Verifying the number of the Network bit errors
C. Verifying the number of Audio bit errors
D. None of the above
Correct Answer: B
Question 13:
Ethernet is capable of automatically sensing the speed and duplicity of the LAN connection by using which process?
A. Flash Link Pulse
B. Dynamic Host Configuration Protocol
C. Domain Name Services
D. Light-weight Directory Access Protocol
E. Resource Reservation Protocol
F. RAS Protocol
Correct Answer: A
Question 14:
Which of the following best describes and defines Packet Jitter?
A. Serious Packet Loss
B. Random Packet Discard
C. Packet Network Errors
D. Packet Delay Time End to End
E. Packet Delay Time Variation from Packet to Packet
Correct Answer: E
Question 15:
What are five typical parameters required from an H.323 Terminal for successful Gatekeeper Registration?
A. H.323 End Point ISDN and SPID Numbers and ISDN Sub-Address Numbers
B. Current H.323 EndPoint TCP/IP Layer 3 address of the VTC
C. Current H.323 Layer 4 Addresses to commence signaling
D. UDP and RTP Header
E. E.164 alias
F. Address of the Gateway
G. H.323 alias
H. Address of the Gatekeeper
I. Address of the MCU
Correct Answer: BCEGH
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