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Worksheets98-366 Lesson 7 WAN
Total questions: 31
Worksheet time: 16mins
Name
Class
Date
1.
A cell-based switching technology (as opposed to a
packet-switching technology). The cells involved in _____ are a fixed length, normally 53 octets
(or 53 8-bit bytes).
packet-switching technology). The cells involved in _____ are a fixed length, normally 53 octets
(or 53 8-bit bytes).
a)
asynchronous transfer mode (ATM)
b)
Border Gateway Protocol (BGP)
c)
permanent virtual circuit (PC)
2.
Digital technology that supports two 64 Kbps data links and one 16 Kbps D
channel for timing.
channel for timing.
a)
packet switching exchange (PSE)
b)
basic rate ISDN
c)
broadband cable
3.
A core routing protocol that bases routing decisions on the
network path and rules.
network path and rules.
a)
dynamic routing
b)
digital subscriber line(DSL)
c)
Border Gateway Protocol (BGP)
4.
Technology used for cable Internet and cable TV. It operates at a higher speed than DSL.
a)
packet switching
b)
CSU/DSU
c)
broadband cable
5.
A term that describes a certain amount of information
over time that you have available.
over time that you have available.
a)
Committed information rate (CIR)
b)
Frame Relay
c)
SONET
6.
A high-speed digital data interchange device.
a)
CSU/DSU
b)
Committed information rate (CIR)
c)
fiber distributed data interface (FDDI)
7.
A family of technologies that provides data transmissions over
local telephone networks.
local telephone networks.
a)
static routing
b)
permanent virtual circuit (PVC)
c)
digital subscriber line (DSL)
8.
Uses protocols that automatically update routing tables between routers.
a)
Frame Relay
b)
dynamic routing
c)
header
9.
A standard for transmitting data on optical fiber
cables at a rate of around 100 Mbps. It uses the ring topology.
cables at a rate of around 100 Mbps. It uses the ring topology.
a)
leased lines
b)
fiber distributed data interface (FDDI)
c)
ring topology
10.
A form of packet switching newer than X.25 and is designed for faster connections.
a)
Integrated Services Digital Network (ISDN)
b)
Frame Relay
c)
Open Shortest Path First (OSPF)
11.
Information found at the beginning of the packet that includes items such as the packet
flag, HDLC (high-level data link control), the from address, information with error detection,
and so on.
flag, HDLC (high-level data link control), the from address, information with error detection,
and so on.
a)
header
b)
Overhead
c)
ip address
12.
A digital technology developed to combat the
limitations of PSTN. Users that have ______ can send data, fax, or talk on the phone, all
simultaneously from one line.
limitations of PSTN. Users that have ______ can send data, fax, or talk on the phone, all
simultaneously from one line.
a)
header
b)
Integrated Services Digital Network (ISDN)
c)
leased lines
13.
A proprietary protocol used in large networks to overcome the limitations of RIP.
a)
Interior Gateway Routing Protocol (IGRP)
b)
Frame Relay
c)
dynamic routing
14.
Lines or circuits that you pay a monthly fee to use.
a)
leased lines
b)
rent lines
c)
T-carrier
15.
A link-state protocol that monitors the network for routers that have a change in their link state, meaning they were turned off, turned on, or restarted. This is perhaps the most commonly used interior gateway protocol in large networks.
a)
Open Shortest Path First (OSPF)
b)
Trailer
c)
virtutal circuit
16.
The packet’s header and trailer information combined.
a)
synchronous
b)
Overhead
c)
SONET
17.
Technology that breaks down data into smaller packets and sent
independently to its destination. When they arrive at their destination, they are put in the correct
order and reassembled.
independently to its destination. When they arrive at their destination, they are put in the correct
order and reassembled.
a)
packet switching exchange (PSE)
b)
primary rate ISDN
c)
packet switching
18.
Large mega switching computers that are located in the central offices just inside the cloud that handle huge numbers of packets and decide which circuit (out of tens of thousands) each packet will take.
a)
route switch
b)
primary rate ISDN
c)
packet switching exchange (PSE)
19.
A virtual circuit that is always connected to a cloud.
a)
virtual circuit
b)
T-carrier
c)
permanent virtual circuit (PVC)
20.
Stands for plain old telephone system/public switched telephone network. This is
what we use now for “regular” phone lines and it has been around since the 1940s.
what we use now for “regular” phone lines and it has been around since the 1940s.
a)
POTS/PSTN
b)
ipconfig/all
c)
TCP/IP
21.
Digital technology that runs 1.536 Mbps and runs on a T1 circuit. PRI has 23 equal 64 Kbps B channels for data, along with one 64 Kbps D channel for timing.
a)
T1
b)
X.25
c)
primary rate ISDN
22.
A dynamic protocol that uses distance-vector routing
algorithms to decipher which route to send data packets.
algorithms to decipher which route to send data packets.
a)
dynamic routing
b)
Routing Information Protocol (RIP)
c)
static routing
23.
Technology that transfers multiple digital bit streams over optical fibers.
a)
full duplex
b)
SONET
c)
virtual circuit
24.
The manual configuration of a router.
a)
static routing
b)
ipconfig/auto
c)
router/config
25.
A method that uses a clocking circuit that controls the timing of communications between the different routers.
a)
switch circuit
b)
synchronous
c)
T1
26.
A truck carrier circuit that runs at 1.544 Mbps.
a)
T1
b)
T3
c)
T-carrier
27.
A truck carrier circuit that runs at 44.736 Mbps.
a)
T-carrier
b)
T3
c)
T2
28.
A cabling and interface system designed to carry data at high speeds.
a)
T4
b)
trailer
c)
T-carrier
29.
Information found at the end of a packet that includes items such as the cyclic redundancy check (CRC), which checks the size of the packet for accuracy at the destination computer.
a)
Trailer
b)
T2
c)
T1
30.
Technology that may use one or more physical circuit that resembles a single dedicated circuit.
a)
circuit switch
b)
auto circuit
c)
virtual circuit
31.
One of the first implementations of packet switching.
a)
switch route
b)
X.25
c)
packet route
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