Network+ Guide to Networks - Chapter 13

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True

T/F: Some software errors point to a physical connectivity problem.

True

T/F: Logical connectivity problems often prove more difficult to isolate and resolve than physical connectivity problems.

False

T/F: Tone generators and tone locators are used to determine characteristics about a cable.

False

T/F: Continuity testers can test only copper cable.

True

T/F: Most wireless testing tools contain more powerful antennas than a workstation NIC.

scope

An administrator should take the time to troubleshoot all network problems correctly by asking specific questions designed to identify the problem ____.

help desk analysts

____ are often considered first-level support.

help desk coordinators

____ are often considered third-level support.

scope

____ is one of the most important aspects to consider when looking at how a problem solution might affect users and network functionality.

supported services list

A ____ is a document (preferably online) that lists every service and software package supported within an organization, plus the names of first- and second-level support contacts for those services or software packages.

crossover

In a ____ cable, the transmit and receive wire pairs in one of the connectors are reversed.

tone generator

A____ is a small electronic device that issues a signal on a wire pair.

resistance

____ is a fundamental property of wire that depends on a wire's molecular structure and size.

ohms

Resistance is measured in ____.

impedance

____ is the telltale factor for ascertaining where faults in a cable lie.

voltage

When used on a copper-based cable, a continuity tester applies a small amount of ____ to each conductor at one end of the cable.

butt set

A ____ can be used to intercept a telephone conversation.

network monitor

A ____ is a software-based tool that continually monitors network traffic from a server or workstation attached to the network.

promiscuous

To take advantage of network monitoring and analyzing tools, the network adapter installed in the machine running the software must support ____ mode.

giant

____ packets exceed the medium's maximum packet size.

ghosts

____ are frames that are not actually data frames, but aberrations caused by a device misinterpreting stray voltage on the wire.

jabber

A ____ usually results from a bad NIC.

protocol analyzer

A ____ can generate traffic in an attempt to reproduce a network problem and monitor multiple network segments simultaneously.

protocol analyzer

The danger in using a ____ is that it could collect more information than you or the machine can reasonably process.

traffic

Before using a network monitor or protocol analyzer on a network, it is important to know what ____ on your network normally looks like.

a little

Viewing the status of the wireless connection on your workstation tells you ____ about your wireless environment.

help desk analysts

A help desk is typically staffed with _______ - people proficient in workstation and network troubleshooting.

call tracking system

For documenting problems, some organizations use a software program known as a(n) ______(also informally known as help desk software).

cable performance tester

A sophisticated _____ will include a TDR (time domain reflectometer) that issues a signal on a cable and then measures the way the signal bounces back (or reflects) to the TDR.

OTDR

Rather than issue an electrical signal over the cable as twisted pair cable testers do, a(n) ________ transmits light-based signals of different wavelengths over the fiber.

packet sniffer

Network engineers today might call any protocol analyzer tool a sniffer or _____.

protocol analyzer

Captures traffic and analyzes frames.

voltage event recorder

Collects data about power quality.

probe kit

Used to verify the location of a wire termination.

local collision

Occurs when two or more stations are transmitting simultaneously.

ohmmeter

The device used to measure resistance.

multimeter

An instrument used to measure impedance, resistance, and voltage on a wire.

late collisions

Take place outside the window of time in which they would normally be detected by the network and redressed.

butt set

Also know as a linemans handset.

continuity tester

Instrument that checks whether a cable is conducting current.

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