2014年3月27日星期四

最新TIA CCNT試験の練習問題と解答

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試験番号:CCNT問題集
試験科目:TIA 「Convergent Network Technologies」
問題と解答:全1056問

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NO.1 A PBX can provide multiple:
A. Billing systems.
B. Entry points.
C. Trunk groups.
D. Power supplies
Answer: C

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NO.2 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.3 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.4 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.5 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.6 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.7 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.8 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.9 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.10 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.11 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.12 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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NO.13 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.14 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.15 Commercial long distance telephony began in:
A. 1938.
B. 1811.
C. 1881.
D. 1876.
Answer: C

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NO.16 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.17 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.18 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.19 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.20 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.21 An in-band signal used by station sets is:
A. Loop start.
B. TT, or DTMF.
C. Rotary dial.
D. E&M.
Answer: B

TIA練習問題   CCNT   CCNT問題集

NO.22 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.23 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.24 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.25 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.26 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.27 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.28 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.29 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.30 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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