2014年2月9日星期日

Dernières TIA CCNT examen pratique questions et réponses

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Code d'Examen: CCNT
Nom d'Examen: TIA (Convergent Network Technologies)
Questions et réponses: 1056 Q&As

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NO.1 In a key system, direct access means:
A. Callers can access an outside line.
B. Callers access an outside line using "dial 9."
C. Callers access an outside line without using an attendant.
D. Callers access an outside by pressing a button.
Answer: D

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NO.2 A PBX is:
A. A switch.
B. A simplified line sharing device.
C. An analog multiplexer.
D. Owned by the telco.
Answer: A

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NO.3 A PBX can provide multiple:
A. Billing systems.
B. Entry points.
C. Trunk groups.
D. Power supplies
Answer: C

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NO.4 Telecommunications is:
A. The use of a telephone or similar equipment for voice communication.
B. The practice of transporting a signal, often through a switch, typically using voice
communications technology.
C. Communications at a distance.
D. The designing of a telephone network calling area.
Answer: C

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NO.5 A telephone is called a:
A. Station set.
B. Message oriented device.
C. Key device.
D. Simple port.
Answer: A

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NO.6 A few lines serve multiple users using a:
A. PBX.
B. CO switch.
C. Multiplexer.
D. Key system.
Answer: D

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NO.7 The device that controls the operation of the key telephone system is called:
A. Central control.
B. A call processor.
C. A key service unit.
D. The system controller.
Answer: C

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NO.8 Cellular subscribers represent:
A. Only 5 percent of the total voice users.
B. The largest growth in absolute numbers over the last decade.
C. A declining segment of the telecommunications market.
D. The most exciting area of Internet access innovation.
Answer: B

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NO.9 A PBX can select the most economical trunk group using:
A. Translations.
B. Least cost routing.
C. Automatic selection lists.
D. Account code routing.
Answer: B

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NO.10 If you want to track the cost of long distance calls, the feature you use is called:
A. SMDR
B. CAR
C. LLCR
D. LCR
Answer: A

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NO.11 A connection between a phone and a switch is called a:
A. T1.
B. Trunk.
C. Line.
D. Wire.
Answer: C

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NO.12 Tie trunks are not switched by:
A. The telco.
B. The PBX.
C. The premise switch.
D. Using LCR.
Answer: A

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NO.13 The point of demarcation divides:
A. The central office from the network.
B. Network responsibility and subscriber responsibility.
C. Local networks and long-distance networks.
D. IXC POP switch and CO switch.
Answer: B

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NO.14 CPE is:
A. Owned by the ILEC.
B. Owned by a CLEC.
C. Owned or leased by the end user.
D. Provided by the IXC.
Answer: C

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NO.15 An OPX is:
A. An outside party line.
B. A station set on a different premise than the PBX.
C. An outside priority extension call.
D. Onside parameter exchange.
Answer: C

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NO.16 Direct Inward Dialing uses:
A. Key system lines.
B. Loop start functionality.
C. Digital key systems.
D. Trunks.
Answer: D

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NO.17 The public switched telephone network (PSTN) is defined by:
A. Direct trunk access to the called party.
B. Private leased lines.
C. Long-distance connection.
D. Dial-up access
Answer: D

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NO.18 The CO switch provides power for:
A. Analog station sets.
B. Digital station sets.
C. Tie lines.
D. Key service units.
Answer: A

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NO.19 An in-band signal used by station sets is:
A. Loop start.
B. TT, or DTMF.
C. Rotary dial.
D. E&M.
Answer: B

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NO.20 A trunk is:
A. A T1.
B. A connection between a key system and a switch.
C. A connection between two switches.
D. A connection between a switch and a STP.
Answer: C

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NO.21 The MFJ:
A. Deregulated PBXs.
B. Deregulated premise wiring.
C. Created the RBOCs.
D. Created the Bell System.
Answer: C

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NO.22 The three parts of the PSTN are switching, access, and:
A. CPE.
B. PBX.
C. Trunking.
D. Transmission.
Answer: D

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NO.23 The transistor, stored program control, and digital technologies enabled:
A. The Internet.
B. Universal service.
C. Deregulation of telecommunications.
D. International calling.
Answer: B

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NO.24 Call appearance buttons allow the management of multiple:
A. Calls.
B. Station sets.
C. Display colors.
D. Analog modems
Answer: B

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NO.25 An 8 by 4 key system would have:
A. Eight lines.
B. Eight trunks.
C. Eight stations.
D. Four stations.
Answer: C

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NO.26 Which of the following technologies are changing our view of telecommunications?
A. Transistor, computers, and fiber optics
B. Satellite and submarine technology
C. Computers and communications
D. Cell and PCS phones, and the Web browser
Answer: D

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NO.27 The LEC service that provides PBX like features from the LEC switch is:
A. Centrex.
B. SMDR.
C. Off-premise extensions.
D. Off-premise switching.
Answer: A

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NO.28 DC signaling is used by analog sets for:
A. In-band signaling.
B. Supervisory signaling.
C. Ringing.
D. Touchtone signaling
Answer: C

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NO.29 Commercial long distance telephony began in:
A. 1938.
B. 1811.
C. 1881.
D. 1876.
Answer: C

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NO.30 Universal service and interconnection are goals of:
A. IXCs.
B. Public policy in the United States.
C. The FCC.
D. Congress.
Answer: B

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