Chapter 7- Computer Concepts

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