Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
40 Cards in this Set
- Front
- Back
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 |