Chapter 7- Computer Concepts

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A computer ________ is two or more computers connected using software and hardware so that they can communicate with each other.
network

Which transmission medium transmits data the fastest?
Fiber-optic cable

Normal telephone cable is a type of ________.
twisted-pair cable

A client/server network is an example of ________ administration
central

A peer-to-peer (P2P) network is an example of ________ administration.
local

The fastest version of wireless Ethernet is ________.
802.11 ac

Which of the following is NOT a type of cable used in wired networks?
Unshielded coaxial

Which of the following is NOT a type of UTP cable you would use in a wired Ethernet network?
Cat 7B

The most popular transmission media option for wired home Ethernet networks is ________ cable.
unshielded twisted-pair UTP

Wireless network devices use ________ to communicate with each other.
radio waves

For the nodes on a network to communicate with each other and access the network, each node needs a ________.
network adapter

A ________ is a device connected to a network such as a printer or a game console.
node

On a network, a(n) ________ helps prevent data packets from colliding with each other.
switch

Sophisticated networks generally use which of the following hardware devices to ease the flow of data through the network?
Routers and switches

To transfer data packets between two or more networks, a ________ is used.
router

Data are sent through a network in bundles called ________.
packets

All of the following operating systems support P2P networking EXCEPT ________.
Unix

Client/server networks are controlled by a central server that runs specialized software called a(n) ________.
network operating system (NOS)

Which of the following is NOT a wired broadband Internet connection option?
Dial-up

A(n) ________ device facilitates file sharing and data backup.
NAS

Using a network without the network owner’s permission is known as ________.
piggybacking

All of the following are extra precautions you can take to secure a wireless network EXCEPT ________.
enable SSID broadcast

________ is the actual speed of data transfer that is achieved and is always less than or equal to the data transfer rate.
Throughput

The unique number assigned to a network adapter by the manufacturer is referred to as the ________ address.
MAC

All of the following are tasks for network administration of a large organization EXCEPT ________.
purchasing initial equipment for the network

Which of the following is NOT used to classify network architectures?
Speed of the network

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

Sharing files is a benefit of a network.
True

In a peer-to-peer network, one computer acts as the central computer.
False

P2P networks are most commonly used in home networks.
True

________ is the maximum speed at which data can be transferred between two nodes.
Bandwidth

The Internet is a WAN.
True

Current wired Ethernet networks in the United States are based on the IEEE 802.11ac standard.
False

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

Wireless network connections are slower than wired broadband connections.
True

The most popular transmission media option for wired Ethernet networks is UTP cable.
True

Most computers today come with Ethernet adapters already installed.
True

A router acts like a traffic signal on a network.
False

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

Wireless networks are more vulnerable to attack than wired networks.
True

WEP is a stronger form of security than WPA.
False

A ________ is a network located in your residence that connects to all your digital devices.
HAN

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

A network that spans a large physical distance is called a ________.
WAN

A large network designed to provide access to a specific geographic area, such as a large city, is a ________.
MAN

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