Deck 13: Troubleshooting Network Problems

Question 1

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

A) network monitor
B) sniffer
C) protocol analyzer
D) multimeter

Answer 1

A

Question 2

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

A) Cost
B) Scope
C) Scalability
D) Security

Answer 2

B

Question 3

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

A) Resistance
B) Impedance
C) Voltage
D) Current

Answer 3

B

Question 4

Most wireless testing tools contain more powerful antennas than a workstation NIC.

Question 5

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

A) resistance
B) impedance
C) voltage
D) current

Question 6

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

A) tone locator
B) probe kit
C) tone generator
D) probe

Question 7

Some software errors point to a physical connectivity problem.

Question 8

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

A) intensity
B) background
C) scope
D) focus

Question 9

____ packets exceed the medium's maximum packet size.

A) Jabber
B) Ghost
C) Giant
D) Runt

Question 10

A ____ system is a process or program that provides support personnel with a centralized means of documenting changes to the network.

A) release management
B) asset management
C) change document
D) change management

Question 11

____ are often considered third-level support.

A) Help desk coordinators
B) Help desk analysts
C) Administrators
D) Technical specialists

Question 12

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

A) Voltage
B) Current
C) Resistance
D) Impedance

Question 13

Continuity testers can only be used to test copper cable.

Question 14

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.

A) call tracking list
B) help desk program list
C) supported services list
D) change management list

Question 15

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

A) open
B) static
C) promiscuous
D) continuous

Question 16

____ are often considered first-level support.

A) Help desk coordinators
B) Help desk analysts
C) Administrators
D) Network specialists

Question 17

Resistance is measured in ____.

A) ohms
B) hertz
C) centimeters
D) volts

Question 18

Logical connectivity problems often prove more difficult to isolate and resolve than physical connectivity problems.

Question 19

Tone generators and tone locators are used to determine characteristics about a cable.

Question 20

A ____ can be used to intercept a telephone conversation.

A) sniffer
B) protocol analyzer
C) network monitor
D) butt set

Question 21

Network engineers today might call any protocol analyzer tool a(n) ____________________.

Question 22

A ____ usually results from a bad NIC.

A) jabber
B) ghost
C) giant
D) runt

Question 23

Describe what a voltage event recorder is and explain how it works.

Question 24

List eight questions to ask to help identify network problem symptoms that are not immediately obvious.

Question 25

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.

Question 26

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

Question 27

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

A) Jabbers
B) Ghosts
C) Giants
D) Runts

Question 28

A ____ is a tool that can assess the quality of the wireless signal.

A) function analyzer
B) signal analyzer
C) quality analyzer
D) spectrum analyzer

Question 29

Describe five causes of unreliable network connectivity.

Question 30

Describe how a performance tester compares to a continuity tester.

Question 31

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

A) jabber
B) runts
C) current
D) traffic

Question 32

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

Question 33

Describe how a network administrator should react upon discovering that a network change has generated a problem.

Question 34

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

A) multimeter
B) cable performance tester
C) network monitor
D) protocol analyzer

Question 35

List five questions that may help a network professional determine whether a problem's symptoms are truly reproducible and, if so, to what extent.

Question 36

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.

Question 37

Describe four ways a network professional might use a multimeter.

Question 38

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

A) cable continuity tester
B) multimeter
C) protocol analyzer
D) wireless network tester

Question 39

Describe how a problem's solution might affect users and network functionality in terms of security.

Question 40

Describe three advantages of using wireless network tools.

Question 41

Describe five functions all network monitoring tools perform.