Which one of the following cables is the most popular transmission media for Ethernet networks quizlet?

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COMPUTER SCIENCE

Numbers are added to a binary search tree in the order given. Draw the resulting tree. a. 3, 14, 5, 26, 17, b. 50, 60, 30, 80, 70, 10, 40, c. 1, 2, 3, 4, 5, 6, d. 10, 9, 8, 7, 6, 5.

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Which of the following is NOT an example of a network node?

a mouse

A computer network is defined as two or more computers connected with ________ so that they can communicate with each other

software and hardware

Each device connected to a network is called a[n] ________

node

Which of the following is NOT a benefit of having computers networked?

monitoring for efficiency

Network architectures are classified according to ________

the way they are controlled and the distance between their nodes

A network that has 10 or more nodes is usually configured as a ________

client/server network

The most common type of home network is ________

a peer-to-peer [P2P] network

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

home network server

A ________ is a network located in your home that is used to connect all of your digital devices

HAN

Which of the following is NOT an example of a WAN?

LANs connected in a single building

Throughput, the actual speed of data transfer that is achieved in a network, is usually ________

less than or equal to the data transfer rate

Which transmission medium is able to transmit data the fastest?

fiber-optic cable

The ________ is the maximum speed at which data can be transmitted between two nodes on a network

data transfer rate

Normal telephone wire is ________

twisted-pair cable

A wireless network uses which of the following as its transmission medium?

radio waves

Network adapters ________

enable nodes in a network to communicate with each other

Which of the following network adapters is most likely to be preinstalled in a typical notebook computer today?

both a wireless and wired network adapter

Sophisticated networks generally use which of the following hardware devices to ease the flow of datapackets throughout the network?

routers and switches

A[n] ________ allows sharing of a broadband Internet connection

router

Client/server networks are controlled by a central server that runs a specialized piece of software called________

a network operating system [NOS]

Which of the following devices translates electronic data into radio waves?

a transceiver

Which of the following is necessary if you want your Ethernet network to connect to the Internet through aDSL or cable modem?

a DSL/cable router

Which of the following UTP cable types is the cheapest and often used in home networks?

Cat 5E

The most popular transmission media option for wired Ethernet networks is ________

unshielded twisted-pair [UTP] cable

A[n] ________ keeps track of data packets and, in conjunction with network interface cards, helps the datapackets find their destination without running into each other on an Ethernet network

switch

Most ________ allow you to connect wireless and wired computers to the same network

wireless routers

Which of the following devices is needed to share an Internet connection on a wireless network?

a wireless router

WPA stands for ________

WiFi Protected Access

One way to increase security on a network is by installing a ________

firewall

The unique number assigned to a network adapter by the manufacturer is referred to as the ________address

MAC

When setting up a network, you should set up any computers running the Microsoft Windows 7 operatingsystem ________

first

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

True

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

True

The Internet is an example of a client/server network

True

A client computer is the computer on which users accomplish specific tasks

True

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

False

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

False

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

False

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

False

MAN stands for mobile area network

False

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

True

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

False

Ethernet networks are always connected using twisted-pair cable technology

False

All desktop and notebook systems sold today are network ready

True

Most computers today come with Ethernet adapters already installed

True

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

False

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

False

The Mac OS does NOT support P2P networking

False

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

False

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

False

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

True

It is generally better to extend your wired network using wireless technology than to use repeaters or splicecable

True

Wireless networks are more vulnerable to attack than wired networks

True

WEP is a stronger form of security than WAP

False

The practice of piggybacking is illegal in many places

True

A firewall can come in either software or hardware form

True

Limiting your signal range does not help increase wireless network security

False

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COMPUTER SCIENCE

What will the following code display? $$ \begin{matrix} \text{xdef display[x,y]:}\\ \text{return[x\\%2==0]}\\ \text{print[display[4,7]]}\\ \text{print[display[7,4]]}\\ \end{matrix} $$

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T F One limitation of the for loop is that only one variable may be initialized in the initialization expression.

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Write functions def sphereVolume[r] def sphereSurface[r] def cylinderVolume[r, h] def cylinderSurface[r, h] def coneVolume[r, h] def coneSurface[r, h] that compute the volume and surface area of a sphere with radius r, a cylinder with a circular base with radius r and height h, and a cone with a circular base with radius r and height h. Then write a program that prompts the user for the values of r and h, calls the six functions, and prints the results.

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A byte is made up of eight __________. a. CPUs b. instructions c. variables d. bits

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