Which of the following correctly describes typical audio phantom power?
A. 12 volts DC applied to the tip and ring of a TRS connector used to power amplified headphones
B. A DC voltage applied to pins 2 and 3 of an XLR connector returning through pin 1, used to power microphones
C. A DC voltage applied to the center pin of an RCA type connector used to power remote pre- amplifiers
D. 48 volts DC applied to a telephone circuit center pair used to provide power to the telephone set
Broadband Connectivity is synonymous with
A. Frame Relay Networks.
B. Internet Protocol Networks.
C. Cable Modem Internet Services.
D. Digital Subscriber Line Services.
E. All of the other alternatives apply.
F. Asynchronous Transfer Mode Networks.
Which of the following is Line Coding used for Primary Rate E1?
A. B7S
B. HDB3
C. Pulse Stuffing
D. BRTZ-AMI
E. B8ZS
High-Definition Videoconferencing will require and use
A. the same camera from NTSC and PAL VTC systems
B. typical off the shelf web camera
C. All of the other alternatives apply.
D. high-definition camera
Which three ISDN Switch Protocols are used by Public network Providers in Europe, Latin America, and Middle/Far East? (Select three of the following options.)
A. TS014 and TS013
B. 5ESS
C. NET-3
D. DMS
E. NI-1
F. ETS300
What are the termination impedance and the signal level for NTSC video?
A. 75 Ohms and 1Vpp
B. 75 Ohms and 2Vrms
C. 100 Ohms and 1Vpp
D. 100 Ohms and 1Vrms
Select three ways to improve Videoconferencing over IP Quality of Service.
A. Use HTTP-Hyper Text Transfer Protocol
B. Use TFTP-Trivial File Transfer Protocol
C. Use MPLS-Multi-Protocol Labeled Switching Network
D. Use UDP-User Datagram Protocol
E. Use LAN interface End to End
F. Use Differentiated Code Point Services
G. Use FTP- File Transfer Protocol
H. Use IP Precedence
Gateway Calls for IP to ISDN will require the settings for call setup.
A. Gateway V.35 port and ISDN destination number
B. Gateway RTP Address and ISDN destination number
C. A and B.
D. Gateway Prefix-Bandwidth and ISDN destination number
E. Gateway Q.931 port and ISDN destination number
F. C and D
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.
What does CIF stand for?
A. Common Intermediate Format
B. Common Intermediate Form
C. Common International Format
D. Common International Form