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Mixed Quiz
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1

The telephone service handled between two LATAs is called _______.
A)An ILEC
B)An IXC
C)A CLEC
D)A POP
2

How many crosspoints are needed in a single-stage switch with 40 inputs and 50 outputs?
A)2000
B)90
C)50
D)40
3

The _______ is a device that connects n inputs to m outputs.
A)Crossbar
B)Crosspoint
C)Modem
D)RAM
4

The established telephone company that provided services in a LATA before 1966 and owns the cabling system is called _______.
A)A CLEC
B)An IXC
C)An ILEC
D)A POP
5

In a crossbar with 1000 crosspoints, approximately how many are in use at any time?
A)100
B)250
C)500
D)1000
6

The _______ of a TSI controls the order of delivery of slot values that are stored in RAM.
A)Crossbar
B)Crosspoint
C)Transceiver
D)Control unit
7

Which of the following is a time-division switch?
A)TSI
B)TDM bus
C)Crosspoint
D)(a) and (b)
8

In a time-division switch, a _______ governs the destination of a packet stored in RAM.
A)Control unit
B)TDM bus
C)Crosspoint
D)Crossbar
9

A telephone network is an example of a _______ network.
A)Circuit-switched
B)Packet-switched
C)Message-switched
D)None of the above
10

The local loop has _______ cable that connects the subscriber telephone to the nearest end office.
A)Coaxial
B)Fiber-optic
C)Twisted-pair
D)(b) and (c)
11

Trunks are transmission media such as _______ that handle the telephone communication between offices.
A)Twisted-pair cable
B)Fiber-optic cable
C)Satellite links
D)(b) and (c)
12

A new telephone company that provides services in a LATA after 1966 is called _______.
A)An ILEC
B)An IXC
C)A POP
D)A CLEC
13

If the end office receives two bursts of analog signals with frequencies of 697 and 1477 Hz, then the number _______ has been punched.
A)1
B)2
C)3
D)4
14

In _______ circuit switching, delivery of data is delayed because data must be stored and retrieved from RAM.
A)Time-division
B)Space-division
C)Virtual
D)Packet
15

Data from a computer are _______; the local loop handles _______ signals.
A)Digital; digital
B)Digital; analog
C)Analog; analog
D)Analog; digital
16

To create a _______, combine crossbar switches in stages.
A)TSI
B)Multistage switch
C)Crosspoint
D)Packet switch
17

A traditional telephone line has a bandwidth of _______.
A)2000 Hz
B)4000 Hz
C)2000 MHz
D)4000 MHz





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