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What is a network?


A) A system that enables the transmission of data over public or private networks.
B) A communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together.
C) Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations.
D) A computer that is designed to request information from a server.

E) All of the above
F) A) and B)

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A peer-to-peer network is a model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients.

A) True
B) False

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Explain topology and the different types found in networks.

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Network topology refers to the geometric...

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Transmission control protocol/Internet protocol (TCP/IP) provides the technical foundation for the public Internet as well as for large numbers of private networks.

A) True
B) False

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Describe TCP/IP along with its primary purpose.

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Transmission Control Protocol/...

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What allows the management of networked nodes to be managed from a single point?


A) File transfer protocol (FTP)
B) Simple mail transfer protocol (SMTP)
C) Hypertext transfer protocol (HTTP)
D) Simple network management protocol (SNMP)

E) B) and D)
F) C) and D)

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What is a large computer network usually spanning a city?


A) Client/server network
B) Corporate network
C) Metropolitan area network
D) Peer-to-peer network

E) A) and B)
F) A) and C)

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What spans a large geographic area, such as a state, province, or country?


A) Local area network
B) Wide area network
C) Metropolitan area network
D) Peer-to-peer network

E) None of the above
F) A) and B)

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Twisted-pair cable can carry a wide range of frequencies with low signal loss.It consists of a metallic shield with a single wire placed along the center of a shield and isolated from the shield by an insulator.

A) True
B) False

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Which of the following represents the ring topology?


A) All devices are connected to a central cable or backbone.
B) All devices are connected to a central device, called a hub.
C) All devices are connected to one another in the shape of a closed loop, so that each device is connected directly to two other devices, one on either side of it.
D) Groups of star-configured workstations are connected to a linear bus backbone cable.

E) A) and B)
F) B) and C)

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Identify the different media types found in networks.

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Wire media are transmission materials ma...

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The application layer handles end-to-end packet transportation.

A) True
B) False

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Packet-switching occurs when the sending computer divides a message into a number of efficiently sized units of data called packets, each of which contains the address of the destination computer.

A) True
B) False

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Fiber optic (or optical fiber) refers to the technology associated with the transmission of information as light pulses along a glass wire or fiber.

A) True
B) False

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Architecture include Ethernet and transmission control protocol/Internet protocol (TCP/IP).

A) True
B) False

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What refers to a type of cable composed of four (or more) copper wires twisted around each other within a plastic sheath?


A) Twisted-pair cable
B) Coaxial cable
C) Fiber-optic cable
D) Transmission control protocol/internet protocol

E) A) and D)
F) None of the above

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The application layer serves as the window for users and application processes to access network services.

A) True
B) False

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