Deck 1: Lan/Wan Networking: an Overview

Question 1

The M in MAN stands for multiple .

Answer 1

False

Question 2

LANs and WANs have roots in early telegraph and telephone systems.

Answer 2

True

Question 3

After the Soviet's launched the Sputnik satellite into space, ARPA was formed to help reestablish the United States as a leader in science.

Answer 3

True

Question 4

In 1983 the separation of ARPANET and Milnet marked the arrival of the Internet.

Question 5

The Soviets launched the first communications satellite, called Echo.

Question 6

Which type of technology has advanced the fastest?

A)computer network communications
B)radio
C)television
D)telephone

Question 7

LSI and VLSI chips paved the way for faster and cheaper digital devices, such as computers and computer terminals.

Question 8

EBCDIC consists of 96 uppercase and lowercase characters and numbers, plus 32 nonprinting characters.

Question 9

Gateways are always stand-alone devices.

Question 10

The W in WAN stands for wide.

Question 11

TCP stands for Transmitted Configuration Protocol .

Question 12

Most of the first computer networks transmitted data over ____.

A)microwaves
B)radio waves
C)copper wire
D)fiber-optic media

Question 13

Bridges can be used to segment LANs into smaller subnetworks to improve performance by isolating network traffic, isolating network problems, and controlling access to each network.

Question 14

A single LAN may use only one protocol.

Question 15

Routers are network transmission devices that connect different LANs or LAN segments using the same access methods.

Question 16

The simplest WAN is a dial-up modem connected to a network provider's services over basic telephone lines.

Question 17

Frames typically operate at the Network layer of the OSI model.

Question 18

A(n)frame does not include routing information.

Question 19

Encoding involves converting a frame or packet from one format to another, as in formatting all frames or packets to the same size requirements regardless of the protocol.

Question 20

Often a LAN ends when there is a change in the communications medium.

Question 21

A number of connected LANs in a city form a ____.

A)MAN
B)super LAN
C)city-wide LAN
D)WAN

Question 22

A WAN typically uses ____ communications.

A)microwave
B)radio
C)fiber-optic
D)Both A and B.

Question 23

PCM sets the stage for ____.

A)T-carriers
B)modems
C)PCs
D)ICs

Question 24

The ____ manages RFCs.

A)IEEE
B)FCC
C)IETF
D)ARPA

Question 25

____ developed the first laser.

A)IBM
B)ARPA
C)MIT
D)Bell Labs

Question 26

A ____ is typically the least complex type of network.

A)LAN
B)NAN
C)MAN
D)WAN

Question 27

When getting specific, a frame represents information used in conjunction with ____ of the OSI model.

A)Layer 1
B)Layer 2
C)Layer 3
D)Layer 4

Question 28

A(n)____ network is one owned and maintained by an organization.

A)public
B)freely accessible
C)private
D)centralized

Question 29

The network protocol does not specify ____.

A)how networked data is formatted into discrete units
B)how data is transmitted
C)how data is interpreted at the receiving end
D)None of the above.

Question 30

A ____ is typically medium in complexity.

A)LAN
B)NAN
C)MAN
D)WAN

Question 31

An example of a ____ network is network services offered by a telecommunications company or a cable TV company.

A)public
B)freely accessible
C)private
D)centralized

Question 32

A ____ is typically the most complex type of network.

A)LAN
B)NAN
C)MAN
D)WAN

Question 33

____ demonstrated the first integrated circuit.

A)Texas Instruments
B)ARPA
C)MIT
D)Bell Labs

Question 34

The Internet is an example of a ____.

A)LAN
B)NAN
C)MAN
D)WAN

Question 35

The first electronic digital computer brought to life was the ____ computer.

A)Atanasoff-Berry
B)Memex
C)ENIAC
D)Mauchly

Question 36

OSI stands for ____.

A)Operating Systems Integration
B)Open Systems Interconnection
C)Overall Systems Internetworking
D)Open Switch Interchange

Question 37

The E in EBCDIC stands for ____.

A)Extra
B)Extensive
C)Ethernet
D)Extended

Question 38

When getting specific, a packet represents information used in conjunction with ____ of the OSI model.

A)Layer 1
B)Layer 2
C)Layer 3
D)Layer 4

Question 39

A MAN typically uses ____ communications.

A)microwave
B)radio
C)fiber-optic
D)Both A and B.

Question 40

The R in RFC stands for ____.

A)Router
B)Request
C)Recommendation
D)Research

Question 41

Which is not true about .NET?

A)It incorporates the Internet and focuses on integrating data and user functions.
B)It integrates different programming languages so they can be used to build one large-scale application.
C)It furthers the distinctions between desktop and server computers.
D)None of the above.

Question 42

____ are employed least frequently.

A)Bridges
B)Routers
C)Gateways
D)None of the above.

Question 43

Plans for IP were launched in the ____.

A)1950s
B)1960s
C)1970s
D)1980s

Question 44

In a network the logical path of the data must match the physical layout.

Question 45

The S in SNMP stands for ____.

A)Simple
B)Service
C)Signal
D)System

Question 46

A large WAN may have many constituent LANs and MANs on different continents.

Question 47

TAT1 was the first successful transatlantic cable.

Question 48

____ regularly communicate and dynamically change information about network paths as the network composition or network conditions change.

A)Bridges
B)Routers
C)Gateways
D)Repeaters

Question 49

Mosaic Communications Corporation is the predecessor of ____.

A)Netscape Communications
B)Sun Microsystems
C)Adobe Corporation
D)3Com Corporation

Question 50

____ developed the UNIX operating system.

A)NRL
B)Sun Microsystems
C)MIT
D)Bell Labs

Question 51

The development of ALOHAnet set the stage for Ethernet.

Question 52

In 1990 ____ was gaining in use as the digital switch protocol for public telephone networks.

A)X.25
B)SS7
C)IP
D)None of the above.

Question 53

A(n)____ bridge is a bridge between networks that use different transport protocols and that has the ability to propagate the different protocols to the right networks.

A)routing
B)intelligent
C)internetworking
D)translational

Question 54

SNA stands for ____.

A)Simple Networking Association
B)Standard of Networking Associates
C)Systems Network Architecture
D)System of New Architecture

Question 55

A ____ can be configured to function as a router.

A)NetWare server
B).NET server
C)UNIX computer
D)All of the above.

Question 56

IBM's Personal Computer (PC)hit the market in the 1970s.

Question 57

Of all the network types, a MAN typically spans the shortest distance.

Question 58

The first digital telephone switch was made available by ____.

A)Bell Labs
B)MCI
C)Northern Telecom
D)Aspect

Question 59

____ created the first mass-produced minicomputer.

A)Digital Equipment Corporation
B)Texas Instruments
C)IBM
D)Bell Labs

Question 60

____ can determine the shortest path between two computers separated by LANs or by WANs.

A)Bridges
B)Routers
C)Gateways
D)Repeaters

Question 61

A bridge cannot connect LANs of one media type to LANs that use a different media type.

Question 62

Microsoft developed the .NET architecture.

Question 63

IP stands for ______________________________.

Question 64

A(n)____________________ is a computer (mainframe, minicomputer, server, or workstation)that has an operating system enabling multiple computers to access it at the same time for files, data, and services.

Question 65

____________________ is used to transmit a frame or packet from one Microsoft- or Novell-based LAN over the Internet to another LAN of the same type.

Question 66

A network's design layout is referred to as what? Describe each component of the layout.

Question 67

The first hypermedia authoring system was marketed by ____________________ in 1987.

Question 68

A(n)____________________ is a system of computers, print devices, network devices, and computer software linked by communications cabling or radio waves.

Question 69

Internetworking is the process of joining identical types of networks for mutual communications.

Question 70

A(n)____________________ is a unit of data that is formatted for transmission as a signal over a network.

Question 71

In 1990, the US and Sweden implemented SS7 in telecommunications using a new technology called common channel signaling. List 5 services that were available in conjunction with telecommunications servers.

Question 72

Computer networks are typically classified according to what? What are the types of computer networks?

Question 73

The figure above illustrates resources in a(n)____________________.

Question 74

What is client/server computing?

Question 75

The Internet uses the ____________________ protocol to enable people to share e-mail messages and computer files to access a vast array of information.

Question 76

Which network properties enable you to distinguish one type of network from another?

Question 77

The design layout of a network is called the network ____________________.

Question 78

____________________ is a technology used in some high-speed LANs and WANs in which packets from one type of network are formatted to look similar to the data transport unit of another network.

Question 79

What is a backbone?

Question 80

What is terminal emulation?