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Exam 7: Local Area Networks: Part I

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Question 21

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____________________ (nicknamed Cheapernet)was designed to allow for a less-expensive network by using less-expensive components.

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Question 22

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Two different signaling technologies can be used with a bus network: baseband signaling and ____ signaling.

A) multiband
B) broadband
C) uniband
D) singleband

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Question 23

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When two or more hubs are interconnected and a workstation transmits data,all the workstations connected to all the hubs receive the data.This is an example of a(n) ____.

One of the biggest advantages of local area networks is their ability to share resources in an economical and efficient manner.

A(n) ____ protocol is the software that allows a workstation to place data onto a local area network.

The ____ standard was one of the first Ethernet standards approved.

By keeping all of the application on the server,the network can control access to the software and can reduce the amount of disk storage required on each user's workstation for this application.

Explain the cut-through architecture including its advantages and disadvantages.

The interval during which the signals propagate down the bus and back is the ____.

A ____ system transmits 10-Mbps baseband (digital) signals over twisted pair for a maximum of 100 meters per segment length.

Depending on user requirements,a switch can interconnect two different types of CSMA/CD network segments: ____ segments and dedicated segments.

Three of the most popular local area network systems are Ethernet,IBM Token Ring,and Wireless Ethernet.

The ____ sublayer is primarily responsible for logical addressing and providing error control and flow control information.

IEEE created the 100-Mbps Ethernet 802.3u protocol also called ____ Ethernet.

The ____ sublayer contains a header,computer (physical) addresses,error-detection codes,and control information.

A ____ is a device that interconnects two or more workstations in a star-wired bus local area network and immediately retransmits the data it receives from any workstation out to all other workstations connected.

The hub,in most applications,has been replaced with the switch.

Perhaps the strongest advantage of a local area network is its capability of allowing users to share hardware and software resources.

The tap is a(n)____________________,as it does not alter the signal and does not require electricity to operate.

____________________ was created to support older-category wire.Thus it can operate over Category 3 or 4 twisted pair wire,as well as Category 5/5e/6 unshielded twisted pair.