Deck 7: Computer Networks and Cloud Computing

Question 1

In the early 1980s, TCP/IP was used only in the United States.

Answer 1

False

Question 2

Everyone today shouldn't buy their own I/O units or storage devices because it is not a cost-effective way to configure computer systems.

Answer 2

True

Question 3

A(n)____________________ is a "smarter" device that has knowledge about the nodes located on each separate network.

Answer 3

bridge

Question 4

A technology called narrowband has rapidly been replacing modems and analog phone lines for data communications to and from our homes, schools, and offices. _________________________

Question 5

A digital subscriber line is always symmetric, which means that it has the same transmission speed in the download direction as in the upload direction.

Question 6

The term switched, dial-up means that when you dial a telephone number, a temporary circuit is established between the caller and the call recipient.

Question 7

In September 1999, the IEEE ratified the 100-gigabit Ethernet standard.

Question 8

A single webpage is identified by a symbolic string called a(n)protocol . _________________________

Question 9

The NSF planned and built a national network called NSFNet, which used TCP/IP technology identical to the ARPANET.

Question 10

The individual computers on the network are referred to as ____________________.

Question 11

The ring topology connects the network nodes in a circular fashion, with messages circulating in either a clockwise or counterclockwise direction until they reach their destination. _________________________

Question 12

____________________ has been the single most popular application of networks for the last 35 years.

Question 13

The World Wide Web was completed and made available to all researchers at CERN in August 1991, the date that marks the birth of the web.

Question 14

Groupware is software that facilitates the efforts of individuals connected by a network and working on a single, shared project.

Question 15

A(n)____________________ is an information block with a fixed maximum size that is transmitted through the network as a single unit.

Question 16

The Network layer of the Internet, IP, is inherently an extremely reliable communication channel.

Question 17

Generally, it is difficult to intercept transmissions and gain unauthorized access to wireless networks.

Question 18

While WiMAX is great for communicating with a nearby router, its transmission limit means it cannot provide mobile Internet access from a car or outdoor site far from any base station. _________________________

Question 19

A LAN connects devices that are not in close proximity but rather are across town, across the country, or across the ocean. _________________________

Question 20

In the ____________________ topology all nodes are connected to a single, shared communication line.

Question 21

____ is the term for the separation of a service from the entity (or entities)providing that service.

A)Visualization
B)Distributed computing
C)Virtualization
D)Topological change

Question 22

____ behaves much like the client/server model, except that the servers no longer need to be local to the client population.

A)Cloud computing
B)The network layer
C)TCP/IP
D)SSH

Question 23

____ are systems that create communities of users who share common interests and activities and which provide multiple methods of online interaction.

A)Bulletin boards
B)Newsgroups
C)Chat rooms
D)Social networks

Question 24

A ____ contains massive amounts of information that can be electronically searched for specific facts or documents.

A)data warehouse
B)data cube
C)data plant
D)data wholesaler

Question 25

In the early days of networking, the most common way to transmit data was via ____, dial-up telephone lines.

A)directly-connected
B)shared
C)linked
D)switched

Question 26

A(n)____ is a set of independent computer systems connected by telecommunication links for the purpose of sharing information and resources.

A)computer group
B)computer network
C)internetwork
D)router

Question 27

TCP requires that the two programs at the source and destination node initially establish a(n)____.

A)link
B)connection
C)interface
D)duplex

Question 28

In the commercial and office environment, the most widely used broadband technology is ____.

A)ATM
B)token-ring
C)Ethernet
D)SONET

Question 29

One of the most widely used standards for wireless local access is called ____.

A)Hi-Fi
B)802.1x
C)802.11ax
D)Wi-Fi

Question 30

____ is the ability to share physical resources, such as a printer or storage device, as well as logical resources, such as software and information.

A)Access sharing
B)Resource sharing
C)Resource planning
D)Access planning

Question 31

A modem modulates a standard analog signal called a ____ wave so that it encodes binary information.

A)carrier
B)baseband
C)broadband
D)barrier

Question 32

A(n)____ is the worldwide identification of a webpage located on a specific host computer on the Internet.

A)NRL
B)IRL
C)IRI
D)URL

Question 33

____ is a general term applied to any use of computers and networking to support the paperless exchange of goods, information, and services in the commercial sector.

A)Electronic exchange
B)Commerce exchange
C)Electronic commerce
D)Commercial networking

Question 34

A ____ makes internetwork connections and provides routing between different WANs.

A)gateway
B)switch
C)bridge
D)repeater

Question 35

The voice-oriented dial-up telephone network was originally a(n)____ medium.

A)digital
B)electrical
C)analog
D)mechanical

Question 36

____ is a collection of documents interconnected by pointers.

A)Hyperpage
B)Hypertext
C)HyperURL
D)Hypercard

Question 37

____ is a low-power wireless standard used to communicate between devices located quite close to each other.

A)Bluetooth
B)Wi-Fi
C)Bluenote
D)Redtooth

Question 38

A ____ connects hardware devices such as computers, printers, and storage devices that are all in close proximity.

A)metro area network
B)local area network
C)wide area network
D)proximity network

Question 39

Bulletin board systems evolved into modern-day _______.

A)internet forums
B)topology layers
C)communication standards
D)websites

Question 40

A ____ uses the same wires that carry regular telephone signals into your home.

A)digital subscriber line
B)digital subscription link
C)digital standard line
D)digital standard link

Question 41

What do the Physical layer protocols govern? What do they specify? What is the goal of the Physical layer?

Question 42

Explain what the function of a WWAN network is in the context of the transmission limitations of Wi-Fi.

Question 43

Explain in detail what a WAN is and how it differs from a LAN in terms of its unit of transmission.

Question 44

Why were WANs first studied?

Question 45

Provide three reasons why email rapidly became the most popular application of networks.

Question 46

What is IPv6?

Question 47

What is groupware?

Question 48

What are the two critical responsibilities of the Network layer?

Question 49

Define a protocol in the context of networking.

Question 50

What does the term net neutrality mean?