Deck 14: Solving Network Problems

Question 1

The trial and error method is not advisable when the system is not attached to a live network.

Answer 1

False

Question 2

A network environment has ____ loaded on each network device that SNMP manages.

A)management software
B)baseline values
C)software agents
D)a MIB

Answer 2

C

Question 3

____-capable devices, such as hubs, routers, and switches, contain software agents called probes that collect data and communicate with a management station by using SNMP.

A)Ethereal
B)SMTP
C)Active Directory
D)RMON

Answer 3

D

Question 4

____ are excellent tools for checking patch cables and testing for correct termination of a cable at the patch panel and jack.

A)TDRs
B)Oscilloscopes
C)DVMs
D)Cable testers

Question 5

Internetworking devices require different levels of documentation,depending on the type of equipment.

Question 6

The ____ problem solving method consists in the process of comparing something that doesn't work with something that does, and then making modifications to the nonfunctioning item until it performs like the functioning one.

A)trial-and-error
B)solve by example
C)replacement method
D)step by step with the OSI model

Question 7

The ____ approach to network problem solving is not very scientific, and technical purists often frown on it.

A)trial-and-error
B)solve by example
C)replacement method
D)step by step with the OSI model

Question 8

____ concentrates in preventing problems through planning and management.

A)Preemptive troubleshooting
B)Troubleshooting
C)Rollback planning
D)Step by step with the OSI model

Question 9

Devising preventive measures is called reactive network management.

Question 10

____ concentrates on repairing and controlling existing damage.

A)Preemptive troubleshooting
B)Troubleshooting
C)Rollback planning
D)Step by step with the OSI model

Question 11

RMON2 can collect and analyze traffic at the ____ layer and higher layers, which makes detailed analysis of enterprise-wide network and application software operation possible.

A)Physical
B)Data Link
C)Network
D)Transport

Question 12

The ____ approach to network problem solving requires narrowing down possible sources of the problem and having known working replacement parts on hand so that they can be swapped out.

A)trial-and-error
B)solve by example
C)replacement method
D)step by step with the OSI model

Question 13

Advanced cable testers can measure message frame counts, collisions, congestion errors, and beaconing information or broadcast storms.

Question 14

The replacement method of problem solving is disliked among PC technicians.

Question 15

Unlike a DVM, a(n)____ can pinpoint how far from the device the break is located by sending an electrical pulse down the cable that reflects back when it encounters a break or short.

A)protocol analyzer
B)TDR
C)cable tester
D)oscilloscope

Question 16

A(n)____ measures a cable's resistance and determines whether a cable break occurred.

A)DVM
B)TDR
C)cable tester
D)oscilloscope

Question 17

RMON2 is designed to capture data and collect statistics at the Data Link and Physical layers.

Question 18

Solving by example is one of the easiest and fastest ways to solve a problem because it requires no special knowledge or problem-solving skills.

Question 19

SNMP defines a single MIB type to collect network data, but RMON1 defines ____ additional MIB types, called RMON groups, to provide a more comprehensive set of data about network use.

A)eight
B)nine
C)ten
D)eleven

Question 20

The ____ approach to network problem solving is what most people think of as network support.

A)trial-and-error
B)solve by example
C)replacement method
D)step by step with the OSI model

Question 21

One way to eliminate the effects of power fluctuations, especially on servers, is to connect them to ______________________________ (UPSs).

Question 22

A(n)____________________ (DVM)is the most basic electrical measuring device.

Question 23

Most experienced network administrators rely on protocol analyzers to establish baselines for network performance and to troubleshoot their networks, especially when they suspect software problems or when network (Layer ____________________)devices appear to be responsible for network problems.

Question 24

Why is it important to set hardware and software standards to help prevent network problems?

Question 25

The ____ product line ranges from software solutions to help analyze traffic on a small LAN or LAN segment to hardware-based products that can help troubleshoot a large enterprise network.

A)Ethereal
B)Network General Sniffer
C)WildPacket EtherPeek
D)Fluke Network Protocol Inspector

Question 26

Each SNMP software agent monitors network traffic and device status and stores information in a(n)______________________________ (MIB).

Question 27

What is the set of documents that should be included in any network plan?

Question 28

____ is a popular free protocol analyzer is available for both Windows and Linux/UNIX environments.

A)Ethereal
B)Network General Sniffer
C)WildPacket EtherPeek
D)Fluke Network Protocol Inspector

Question 29

____ layer problems most often affect the entire network, or the problem lies with a single computer's NIC drivers.

A)Data Link
B)Network
C)Transport
D)Session

Question 30

What are the eight steps of the problem-solving process?

Question 31

____ are software packages that can track all or part of the network traffic.

A)DVMs
B)Network monitors
C)TDRs
D)Oscilloscopes

Question 32

____ systems provide battery power to computers so that they can be shut down without data loss.

A)Sniffer
B)TDR
C)UPS
D)RMON

Question 33

____ function at both the Physical and Data Link layers of the OSI model.

A)TDRs
B)Oscilloscopes
C)DVMs
D)Advanced cable testers

Question 34

When used with a TDR, a(n)____ can help identify shorts, sharp bends or crimps in a cable, cable breaks, and attenuation problems.

A)DVM
B)protocol analyzer
C)oscilloscope
D)cable tester

Question 35

Most manufacturers store their technical support problems and solutions in a database called a knowledge base or a(n)______________________________ (FAQ)document.

Question 36

Under which conditions is the trial-and-error method not advisable?

Question 37

What are the five preemptive troubleshooting network management categories identified by the ISO? Briefly describe each.

Question 38

The statement "____" is not a guideline to consider when using the trial and error approach.

A)You should make only one change at a time before testing the results
B)When possible, make changes in a live network
C)Document the original settings of hardware and software before making changes so that you can put the system back to its original state
D)Avoid making a change that can destroy user data unless a known good backup exists

Question 39

Perhaps the most advanced network troubleshooting device available, a(n)____ evaluates the network's overall health by monitoring all traffic.

A)protocol analyzer
B)network monitor
C)oscilloscope
D)TDR

Question 40

You can use a(n)_________________________ (TDR)to determine whether there's a break or short in a cable.

Question 41

When should you contact a manufacturer's technical support? How should you do it?

Question 43

In Step 4 of the problem-solving process, what should you consider before devising a solution?

Question 44

Step 1 is "determine the problem definition and scope". Explain this step.

Question 45

Step 6 is "test the solution". Explain this step.

Question 46

Step 3 is "consider possible causes". Explain this step.