Chapter 7

D) a mouse

1) Which of the following is NOT an example of a network node? A) a modem B) a printer C) a computer D) a mouse

A) LANs connected in a single building

10) Which of the following is NOT an example of a WAN? A) LANs connected in a single building B) A LAN at the main university campus connected with a LAN at the university extension site C) A computer at a bank's main branch connected with a LAN at the bank's branch office across town D) A computer at a military base in Georgia connected with a computer at a military base in Florida

D) HAN

11) A ________ is a network located in your home that is used to connect all of your digital devices. A) MAN B) WAN C) LAN D) HAN

C) fiber-optic cable

12) Which transmission medium is able to transmit data the fastest? A) twisted-pair cable B) coaxial cable C) fiber-optic cable D) wireless

C) less than or equal to the data transfer rate

13) Throughput, the actual speed of data transfer that is achieved in a network, is usually ________. A) more than the data transfer rate B) the same as the data transfer rate C) less than or equal to the data transfer rate D) at least the same as the data transfer rate, but often

A) enable nodes in a network to communicate with each other

14) Network adapters ________. A) enable nodes in a network to communicate with each other B) are built into the motherboard on each node C) are always Ethernet NICs D) are necessary only on servers in a client/server network

D) routers and switches

15) Sophisticated networks generally use which of the following hardware devices to ease the flow of data packets throughout the network? A) USB ports B) firewalls C) network interface cards (NICs) D) routers and switches

B) a network operating system (NOS)

16) Client/server networks are controlled by a central server that runs a specialized piece of software called ________. A) Windows 7 B) a network operating system (NOS) C) a firewall D) firmware

B) Cat 5E

17) Which of the following UTP cable types is the cheapest and often used in home networks? A) Cat 6 B) Cat 5E C) Cat 7 D) Cat 4

A) unshielded twisted-pair (UTP) cable

18) The most popular transmission media option for wired Ethernet networks is ________. A) unshielded twisted-pair (UTP) cable B) fiber-optic cable C) power-line cable D) coaxial cable

B) switch

19) A(n) ________ keeps track of data packets and, in conjunction with network interface cards, helps the data packets find their destination without running into each other on an Ethernet network. A) router B) switch C) hub D) amplifier

D) software and hardware

2) A computer network is defined as two or more computers connected with ________ so that they can communicate with each other. A) the Internet B) at least one server C) Ethernet cable D) software and hardware

D) a DSL/cable router

20) Which of the following is necessary if you want your Ethernet network to connect to the Internet through a DSL or cable modem? A) a cable B) a hub C) a switch D) a DSL/cable router

D) radio waves

21) A wireless network uses which of the following as its transmission medium? A) laser waves B) fiber-optic waves C) sound waves D) radio waves

C) a transceiver

22) Which of the following devices translates electronic data into radio waves? A) a modem B) a fiber-optic cable C) a transceiver D) a receiver

A) both a wireless and wired network adapter

23) Which of the following network adapters is most likely to be preinstalled in a typical notebook computer today? A) both a wireless and wired network adapter B) a power-line adapter C) a transceiver D) a modem

C) a wireless router

24) Which of the following devices is needed to share an Internet connection on a wireless network? A) a wireless hub B) a fiber-optic cable C) a wireless router D) a modem

A) wireless routers

25) Most ________ allow you to connect wireless and wired computers to the same network. A) wireless routers B) servers C) transceivers D) modems

A) first

26) When setting up a network, you should set up any computers running the Microsoft Windows 7 operating system ________. A) first B) last C) only before any computers running Linux D) in any order

C) MAC

27) The unique number assigned to a network adapter by the manufacturer is referred to as the ________ address. A) IP B) SSID C) MAC D) network

B) WiFi Protected Access

28) WPA stands for ________. A) Wireless Protocol Access B) WiFi Protected Access C) WiFi Protocol Access D) Wired Protected Access

B) firewall

29) One way to increase security on a network is by installing a ________. A) network adapter B) firewall C) hub D) security policy Answer: B

D) router

3) A(n) ________ allows sharing of a broadband Internet connection. A) switch B) hub C) adapter D) router

TRUE

30) A single computer can function as both a client and a server, but performance will be degraded.

TRUE

31) All desktop and notebook systems sold today are network ready.

TRUE

32) It is generally better to extend your wired network using wireless technology than to use repeaters or splice cable.

FALSE

33) Twisted-pair cable is made up of plastic or glass fibers that transmit data at extremely fast speeds.

FALSE

34) MAN stands for mobile area network.

TRUE

35) When a network is created to provide Internet access to a specific geographic area, that network will generally be designated as a MAN.

FALSE

36) The cost of a P2P network is slightly greater than the cost of a client/server network.

FALSE

37) It is not possible to configure a client/server network for home use.

TRUE

38) A client computer is the computer on which users accomplish specific tasks.

FALSE

39) In a peer-to-peer network, one computer acts as the server.

A) the way they are controlled and the distance between their nodes

4) Network architectures are classified according to ________. A) the way they are controlled and the distance between their nodes B) the distance between the hub and the router C) the bandwidth supplied by the connection D) the speed at which the processor runs

TRUE

40) The Internet is an example of a client/server network.

FALSE

41) P2P networks are more commonly used in small businesses than in homes

TRUE

42) Wireless networks are more vulnerable to attack than wired networks.

FALSE

43) A network-ready device is a device that might be attached to a network but still has to connect to a networked computer first.

TRUE

44) A printer connected to a wireless network is considered to be a node on that network.

FALSE

45) WEP is a stronger form of security than WAP.

TRUE

46) The practice of piggybacking is illegal in many places.

FALSE

47) Current wireless Ethernet networks in the United States are based on the IEEE 802.3 standard.

TRUE

48) Although 802.11n will work with 802.11g adapters, you will not achieve 802.11n data transfer rates unless all adapters are 802.11n.

FALSE

49) A switch is a network navigation device that merely retransmits a signal to all other nodes attached to it.

C) twisted-pair cable

5) Normal telephone wire is ________. A) fiber-optic cable B) coaxial cable C) twisted-pair cable D) Ethernet cable

FALSE

50) A P2P network needs network operating system software installed on every node.

FALSE

51) Ethernet networks are always connected using twisted-pair cable technology.

FALSE

52) The Mac OS does NOT support P2P networking

TRUE

53) Most computers today come with Ethernet adapters already installed

TRUE

54) A firewall can come in either software or hardware form.

FALSE

55) Limiting your signal range does not help increase wireless network security.

Home server

56) ________ options are fast becoming a popular choice for managing an entire family's personal media.

hot spots

57) Public places where you can wirelessly connect to the Internet are known as ________.

MANs

58) Many cities in the United States are now deploying ________ to provide Internet access to residents and tourists.

metropolitan area network

59) In terms of networking, MAN stands for ________.

C) data transfer rate

6) The ________ is the maximum speed at which data can be transmitted between two nodes on a network. A) throughput B) node speed C) data transfer rate D) transmission speed

network interface card

60) A network adapter installed inside a computer as an expansion card is referred to as a(n) ________.

network interface card

61) NIC stands for ________.

Throughput

62) ________ is the actual speed of data transfer that is achieved on a network.

Fiber-optic

63) ________ cable is made up of plastic or glass fibers that transmit data at extremely fast speed.

Routers

64) ________ transfer data between two or more networks.

Switches

65) ________ receive data packets and send them to the node for which they are intended.

network-ready

66) A(n) ________ device can be connected directly to a router instead of connecting it to a computer on a network.

Network attached storage

67) ________ devices, which are becoming popular for home use, provide centralized data storage and access for networks.

router

68) If you install a device called a(n) ________ on your network, you can share a broadband Internet connection among several computers.

architecture

69) The term network ________ refers to the design of a network.

B) a peer-to-peer (P2P) network

7) The most common type of home network is ________. A) a token ring LAN B) a peer-to-peer (P2P) network C) a client/server network D) a WAN

peer-to-peer

70) A(n) ________ network is one in which each computer can communicate directly with each other, instead of having a separate device exercise central control over the entire network.

client/server

71) A(n) ________ network contains two different types of computers: one performs specific tasks and the other provides resources to computers on the network.

Power-line

72) ________ networks use the existing electrical wiring in your house to help obtain their signal.

local area

73) A(n) ________ network is one in which the nodes are located within a small geographical area.

HAN

74) A network in your home that is used to connect all of your digital devices is called a ________.

802.11n

75) In reference to the wireless Ethernet standard, ________ devices achieve much higher data transfer rates and cover a wider area than 802.11g devices.

802.11n

76) Most notebook computers sold currently come with an 802.11g or a(n) ________ network adapter built in.

WiFi

77) The 802.11 wireless standard is also known as ________.

wireless access point

78) A(n) ________ is a device that attaches to a network and provides wireless nodes with a means of connecting to a network.

Coaxial

79) ________ cable consists of a single copper wire surrounded by layers of plastic and is used to connect cable TV.

B) home network server

8) Due to the expansion of media files on home computers, ________ options are now being marketed; however, they are not as full featured as their business-world counterparts. A) external hard drive B) home network server C) network D) online storage

twisted-pair

80) Normal telephone wire is composed of ________ cable, which consists of copper wires wrapped around each other and covered in a plastic jacket.

packets

81) Bundles of data sent over transmission media are called ________.

USB

82) Some network adapters take the form of external devices that plug into an available ________ port.

Throughput

83) ________ is the actual speed of data transfer on a network.

network operating system

84) In terms of networking, NOS stands for ________.

navigation

85) Switches and routers are both network ________ devices.

Encryption

86) ________ is a method of translating data into code.

daisy-chained

87) Switches can be ________ together to provide hundreds of ports.

hub

88) A(n) ________ is a network navigation device that merely retransmits a signal to the other nodes attached to it.

UTP

89) ________ cable is composed of four pairs of wires that are twisted around each other to reduce electrical interference.

A) client/server network

9) A network that has 10 or more nodes is usually configured as a ________. A) client/server network B) home network C) peer-to-peer network D) WAN

repeater

90) If you need to extend the length of an Ethernet network, you can use a(n) ________ to do so.

SSID

91) All wireless networks have their own name, referred to as the ________, that is used to identify the network.

Wired Equivalent Privacy

92) WEP stands for ________.

WiFi Protected Access

93) WPA stands for ________.

wireless

94) A(n) ________ network uses radio waves as its transmission medium.

node

95) A(n) ________ on a network can be a peripheral, such as a printer or scanner.

Piggybacking

96) ________ refers to the act of connecting to a wireless connection without the permission of the owner.

firmware

97) The read-only memory written in a router is referred to as ________.

III. MAC

A. address assigned by router manufacturers I. Wi-Fi II. SSID III. MAC IV. NAS V. DMR

III. router

A. handles data traffic between networks I. bandwidth II. throughput III. router IV. switch V. NIC

III. LAN

A. network that is confined to a small geographic location I. fiber-optic II. twisted pair III. LAN IV. peer-to-peer V. WAN

V. NOS

A. software used to set up and manage a network I. throughput II. packet III. hub IV. firewall V. NOS

II. client

A. two or more computers connected together via software so they can communicate I. server II. client III. network IV. node

IV. node

B. can be a computer, peripheral, or communication device on a I. server II. client III. network IV. node

IV. switch

B. handles data traffic between nodes on the same network I. bandwidth II. throughput III. router IV. switch V. NIC

I. fiber-optic

B. made up of plastic or glass and transmits data at extremely fast speed I. fiber-optic II. twisted pair III. LAN IV. peer-to-peer V. WAN

IV. NAS

B. provides for centralized data storage and access I. Wi-Fi II. SSID III. MAC IV. NAS V. DMR

I. throughput

B. the actual speed of data transfer that is achieved on a network I. throughput II. packet III. hub IV. firewall V. NOS

I. Wi-Fi

C. also known as the 802.11 wireless standard I. Wi-Fi II. SSID III. MAC IV. NAS V. DMR

IV. peer-to-peer

C. each node can communicate directly with every other node on the network I. fiber-optic II. twisted pair III. LAN IV. peer-to-peer V. WAN

I. bandwidth

C. maximum speed at which data can be transmitted I. bandwidth II. throughput III. router IV. switch V. NIC

II. client

C. the computer on which users accomplish specific tasks and make specific requests I. server II. client III. network IV. node

II. packet

C. the format in which data is sent over transmission media I. throughput II. packet III. hub IV. firewall V. NOS

V. DMR

D. device designed to store digital media I. Wi-Fi II. SSID III. MAC IV. NAS V. DMR

IV. firewall

D. hardware or software for protecting computers from hackers I. throughput II. packet III. hub IV. firewall V. NOS

II. twisted pair

D. made up of copper wires I. fiber-optic II. twisted pair III. LAN IV. peer-to-peer V. WAN

V. NIC

D. network adapter I. bandwidth II. throughput III. router IV. switch V. NIC

I. server

D. provides information and/or resources to the client computers on a network I. server II. client III. network IV. node

II. SSID

E. a name used to identify a wireless network I. Wi-Fi II. SSID III. MAC IV. NAS V. DMR

V. WAN

E. a network that covers a great distance I. fiber-optic II. twisted pair III. LAN IV. peer-to-peer V. WAN

III. hub

E. retransmits a signal to all other nodes attached to it I. throughput II. packet III. hub IV. firewall V. NOS