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40 Cards in this Set

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16.01
Which of the following is not a WAN protocol or technology?
A. ATM
B. ISDN
C. MPLS
D. RIP

Which of the following is not a WAN protocol or technology?
A. ATM
B. ISDN
C. MPLS
D. RIP


16.02
What OSI model layers do WAN protocols operate in?
A. Layer 6, Layer 4, Layer 2
B. Transport, Data Link, Network
C. Physical, Data Link, Network
D. Application, Data Link, Network

What OSI model layers do WAN protocols operate in?
A. Layer 6, Layer 4, Layer 2
B. Transport, Data Link, Network
C. Physical, Data Link, Network
D. Application, Data Link, Network


16.03
If you have a device in a telecommunications closet owned and installed by the telecommunications
company (telco), and it’s your responsibility to cable from this box to the CPE,
which term should you use to refer to the device?
A. Customer premises equipment
B. Demarcation point
C. Toll network
D. Central office

If you have a device in a telecommunications closet owned and installed by the telecommunications
company (telco), and it’s your responsibility to cable from this box to the CPE,
which term should you use to refer to the device?
A. Customer premises equipment
B. Demarcation point
C. Toll network
D. Central office


16.04
You have an E-1. How many DS0’s are used in this point-to-point connection?
A. 24
B. 25
C. 30
D. 32

You have an E-1. How many DS0’s are used in this point-to-point connection?
A. 24
B. 25
C. 30
D. 32


16.05
Where does the local exchange carrier responsibility end and your responsibility begin on a
WAN link?
A. POP
B. Central Office
C. Demac
D. Smart Jack

Where does the local exchange carrier responsibility end and your responsibility begin on a
WAN link?
A. POP
B. Central Office
C. Demac
D. Smart Jack


16.06
You have a small-office/home-office environment. What WAN technology would most
likely be used?
A. T1
B. T3
C. Frame Relay
D. Cable Modem

You have a small-office/home-office environment. What WAN technology would most
likely be used?
A. T1
B. T3
C. Frame Relay
D. Cable Modem


16.07
Which type of communication has a line speed of 1.544 Mbps (millions of bits per second)?
A. T3
B. T1C
C. T1
D. T4

Which type of communication has a line speed of 1.544 Mbps (millions of bits per second)?
A. T3
B. T1C
C. T1
D. T4


16.08
Wireless transmissions use what as a transmission medium?
A. POTS
B. Copper wire
C. Glass fiber
D. Air

Wireless transmissions use what as a transmission medium?
A. POTS
B. Copper wire
C. Glass fiber
D. Air


16.09
Which is not a common optical carrier level (OC-x)?
A. OC-1
B. OC-4
C. OC-12
D. OC-192

Which is not a common optical carrier level (OC-x)?
A. OC-1
B. OC-4 (For OC-x, the x-values are 1, 3, 12, 48 and 192)
C. OC-12
D. OC-192


16.10
Which wireless protocol utilizes a short-range communications technology facilitating
data transmission from fixed and/or mobile devices, creating wireless personal area
networks (PANs)?
A. Bluetooth
B. Microwave radio relay
C. Comsat
D. Point-to-multipoint

Which wireless protocol utilizes a short-range communications technology facilitating
data transmission from fixed and/or mobile devices, creating wireless personal area
networks (PANs)?
A. Bluetooth
B. Microwave radio relay
C. Comsat
D. Point-to-multipoint


16.11
What does the x in xDSL represent?
A. Wire type
B. Transmission speed
C. DSL type
D. Download speed

What does the x in xDSL represent?
A. Wire type
B. Transmission speed
C. DSL type
D. Download speed


16.12
Which is not a type of xDSL?
A. ADSL
B. HDSL
C. FDSL
D. SDSL

Which is not a type of xDSL?
A. ADSL
B. HDSL
C. FDSL
D. SDSL


16.13
What is the acronym DOCSIS stand for?
A. Data over cable service interface spectrum
B. Data over cable systems Internet specification
C. Data over cable service Internet specification
D. Data over cable service interface specification

What is the acronym DOCSIS stand for?
A. Data over cable service interface spectrum
B. Data over cable systems Internet specification
C. Data over cable service Internet specification
D. Data over cable service interface specification


16.14
What is the bandwidth for OC-12?
A. 1.544Mbps
B. 45Mbps
C. 622Mbps
D. 1000Mbps

What is the bandwidth for OC-12?
A. 1.544Mbps
B. 45Mbps
C. 622Mbps
D. 1000Mbps


16.15
Which WAN protocol utilizes cell-switching technology?
A. Frame Relay
B. ISDN
C. ATM
D. RIP

Which WAN protocol utilizes cell-switching technology?
A. Frame Relay
B. ISDN
C. ATM
D. RIP


16.16
Which WAN protocol utilizes packet-switched technology?
A. Frame Relay
B. ISDN
C. ATM
D. RIP

Which WAN protocol utilizes packet-switched technology?
A. Frame Relay
B. ISDN
C. ATM
D. RIP


16.17
What is the CIR in Frame Relay?
A. Virtual circuit that is established when data needs to be transmitted
B. Maximum speed at which the Frame Relay interface can transmit
C. Rate at which the Frame Relay switch agrees to transfer data
D. Rate at which the Frame Relay switch agrees to receive data

What is the CIR in Frame Relay?
A. Virtual circuit that is established when data needs to be transmitted
B. Maximum speed at which the Frame Relay interface can transmit
C. Rate at which the Frame Relay switch agrees to transfer data
D. Rate at which the Frame Relay switch agrees to receive data


16.18
What does the acronym ATM stand for?
A. Automated Teller Machine
B. Asynchronous Transfer Mode
C. Asynchronous Transfer Method
D. Autonomous Transfer Mode

What does the acronym ATM stand for?
A. Automated Teller Machine
B. Asynchronous Transfer Mode
C. Asynchronous Transfer Method
D. Autonomous Transfer Mode


16.19
Which WAN has a transfer rate of 44.7Mbps?
A. T1
B. T3
C. E1
D. E3

Which WAN has a transfer rate of 44.7Mbps?
A. T1
B. T3
C. E1
D. E3


16.20
What WAN protocol is described as residing in Layer 2.5 of the OSI model?
A. Frame Relay
B. ISDN
C. MPLS
D. RIP

What WAN protocol is described as residing in Layer 2.5 of the OSI model?
A. Frame Relay
B. ISDN
C. MPLS
D. RIP


16.21
What is the greatest advantage of PSTN (POTS)?

It is readily available.


16.22
Which technology uses the term HFC?

Cable. In a modern network, hybrid fiber coaxial (HFC) is a telecommunications industry
term for a network that incorporates both optical fiber and coaxial cable to create a broadband
network.


16.23
You have one serial port on your router but need to connect many remote sites. What WAN
protocol could you consider as an option?

Frame Relay. Although Frame Relay is not available in many markets today, it is a possible
solution for the problem presented.


16.24
What is the maximum speed for T1?

1.544Mbps


16.25
What does the acronym DSL stand for?

Digital Subscriber Line


16.26
Which WAN technologies are considered packet-switching networks?

Frame-Relay and X.25


16.27
Which WAN technologies are considered circuit-switching networks?

Modems (PSTN/POTS) and ISDN


16.28
Which WAN technology is considered a cell-switching network?

ATM


16.29
What are the different flavors of xDSL?

HDSL (High bit-rate DSL)
SDSL (Symmetrical DSL)
VDSL (Very-high Data-rate DSL)
ADSL (Asymmetric DSL)


16.30
Which WAN protocol can carry traffic from both circuit-switching and packetswitching
clients?

MPLS
16.101
What is the top data rate for T1?

1.544 Mbps


16.102
What is the top data rate for T1C?

3.152 Mbps


16.103
What is the top data rate for T2?

6.312 Mbps


16.104
What is the top data rate for T3?

44.736 Mbps


16.105
What is the top data rate for T4?

274.176 Mbps



16.201
What is the top data rate for 0C-1?

51.84 Mbps


16.202
What is the top data rate for OC-3?

155.52 Mbps


16.203
What is the top data rate for OC-12?

622.08 Mbps


16.204
What is the top data rate for OC-48?

2.488 Gbps


16.205
What is the top data rate for OC-192?

9.953 Gbps