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

A) True
B) False

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What is designed to connect a group of computers in close proximity to each other such as in an office building,a school,or a home?


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

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

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A ____________ network topology has groups of star-configured workstations connected to a linear bus backbone cable.

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A hub is the ____________ to perform traffic control.

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Hardware

A ____________ area network (MAN)is a large computer network usually spanning a city.

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Hypertext _____________ Protocol (HTTP)allows web browsers and servers to send and receive web pages.

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A network topology refers to the geometric arrangement of the actual physical organization of the computers (and other network devices)in a network.Topologies vary depending on cost and functionality.

A) True
B) False

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What is a client/server network?


A) Occurs when the sending computer divides a message into a number of efficiently sized units called packets,each of which contains the address of the destination computer
B) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination
C) Refers to the geometric arrangement of the actual physical organization of the computers (and other network devices) in a network
D) 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

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

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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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Compare LANs,WANs,and MANs.

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A local area network (LAN)is designed to connect group of computers in close proximity to each other such as in an office building,a school,or a home.A wide area network (WAN)spans a large geographic area,such as a state,province or country.WANs often connect multiple smaller networks,such as local area networks (LANs)or metropolitan area networks (MANs).A metropolitan area network (MAN)is a large computer network usually spanning a city.

The transport layer formats the data into packets,adds a header containing the packet sequence and the address of the receiving device,and specifies the services required from the network.

A) True
B) False

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_______________ is the medium to connect all of the computers.

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A protocol is the capability of two or more computer systems to share data and resources,even though they are made by different manufacturers.

A) True
B) False

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What is a router?


A) Occurs when the sending computer divides a message into a number of efficiently sized units called packets,each of which contains the address of the destination computer
B) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination
C) Refers to the geometric arrangement of the actual physical organization of the computers (and other network devices) in a network
D) 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

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

Correct Answer

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


A) Twisted-pair wiring
B) Network transmission media
C) Fiber-optic cable
D) Transmission control protocol/Internet protocol

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

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The _______________ layer formats the data into packets,adds a header containing the packet sequence and the address of the receiving device,and specifies the services required from the network.

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There are ____________ layers in the OSI model.

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A ______________ is a standard that specifies the format of data as well as the rules to be followed during transmission.

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Protocol

Explain topology and the different types found in networks.

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Network topology refers to the geometric...

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What is a telecommunications system?


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

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