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Networking III > Network Troubleshooting > Flashcards

Network Troubleshooting Flashcards

1
Q

Which topology diagram displays IP addresses?

ip topology.
logical topology.
physical topology.
port topology.

A

logical topology.

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2
Q

Which document could be referenced to identify the OS on a server?

End-system documentation.
LAN switch Device documentation.
Router device documentation.

A

End-system documentation.

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3
Q

Which three statements will a network baseline answer? (Choose three.)

How does the network perform during a normal or average day?

How much did the network cost?

What are the network policies?

What part of the network is least used?

What part of the network is most heavily used?

Who is responsible for managing the network?

A

How does the network perform during a normal or average day?

What part of the network is least used?

What part of the network is most heavily used?

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4
Q

True or False? A network baseline never ends and continually gathers information on a yearly basis.

True.
False.

A

False.

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5
Q

Which command could be used to get detailed information about directly connected Cisco neighbor devices?

Show cdp neighbor.
Show ip interface.
Show ip route.
Show version.

A

Show cdp neighbor.

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6
Q

Which option lists the three troubleshooting stages in the correct order?

Gather symptoms, implement corrective action, and isolate the problem.

Gather symptoms, isolate the problem, and implement corrective action.

Implement corrective action, gather symptoms, and isolate the problem.

Implement corrective action, isolate the problem, and gather symptoms.

Isolate the problem, gather symptoms, and implement corrective action.

Isolate the problem, implement corrective action, and gather symptoms.

A

Gather symptoms, isolate the problem, and implement corrective action.

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7
Q

In which step of the seven-step troubleshooting process, would you create a rollback plan identifying how to quickly reverse a solution?

Analyze information.
Define the problem.
Eliminate possible causes.
Gather information.
Propose Hypothesis.
Solve the problem and document solution.
Test hypothesis.

A

Test hypothesis.

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8
Q

Which are recommendations to be used when communicate with a user?

Always be considerate and empathize with users.
Always listen carefully read what the user is saying.
Speak at a technical level they can understand.
All of the above.

A

All of the above.

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9
Q

During the gathering information step, which command would display the configured protocols and the global and interface-specific status of any configured Layer 3 protocol?

Show interface.
Show ip interface brief.
Show ip protocols.
Show protocols.
Show version.

A

Show protocols.

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10
Q

What is the highest OSI layer that should be considered when troubleshooting routers and Layer 3 switches?

Layer 1
Layer 2
Layer 3
Layer 4
Layer 7

A

Layer 4

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11
Q

Which structured troubleshooting method should be used when a cabling problem is suspected?

Bottom-up Troubleshooting Method.
Comparison Troubleshooting Method.
Divide and conquer Troubleshooting Method.
Educated guess Troubleshooting Method.
Follow-the-path Troubleshooting Method.
Top-down Troubleshooting Method.

A

Bottom-up Troubleshooting Method.

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12
Q

Which structured troubleshooting method should be used when a software orientated problem occurs?

Bottom-up Troubleshooting Method.
Comparison Troubleshooting Method.
Divide and conquer Troubleshooting Method.
Educated guess Troubleshooting Method.
Follow-the-path Troubleshooting Method.
Top-down Troubleshooting Method.

A

Top-down Troubleshooting Method.

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13
Q

Which of these is an on-line network device vendor resource that can be used as a source of information?

Baseline tool.
Knowledge base.
Network management System (NMS).
Protocol analyzer.

A

Knowledge base.

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14
Q

Which tool is useful to investigate packet content while flowing through the network?

Baseline tool.
Knowledge base.
Network management System (NMS).
Protocol analyzer.

A

Protocol analyzer.

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15
Q

Which hardware troubleshooting tool is a multifunctional handheld device used to test and certify copper and fiber cables for different services and standards?

Cable analyzer.
Cable tester.
Digital multimeters.
Network Analysis Module.
Portable Network Analyzers.

A

Cable analyzer.

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16
Q

Cisco IOS log messages fall into one of eight levels. Which syslog logging level is used to log the highest severity level?

0
1
4
6
7

A

0

17
Q

Which OSI layer are you troubleshooting when the cause of network transmission errors is due to late collisions, short frames, and jabber?

Application.
Data link.
Network.
Physical.
Transport.

A

Physical.

18
Q

Which OSI layer are you troubleshooting when investigating a spanning-tree loop?

Application.
Data link.
Network.
Physical.
Transport.

A

Data link.

19
Q

Which OSI layer are you troubleshooting when investigating a routing protocol loop?

Application.
Data link.
Network.
Physical.
Transport.

A

Network.

20
Q

Which OSI layer are you troubleshooting when investigating an extended ACL related problem?

Application.
Data link.
Network.
Physical.
Transport.

A

Transport.

21
Q

Which OSI layer are you troubleshooting when investigating a DNS related problem?

Application.
Data link.
Network.
Physical.
Transport.

A

Application.

22
Q

Which IOS command can be used to test if other network protocols are working?

ping.
ssh.
telnet.
traceroute

A

telnet.

23
Q

Which statement describes the physical topology for a LAN?

It shows the order in which hosts access the network.

It depicts the addressing scheme that is employed in the LAN.

It defines how hosts and network devices connect to the LAN.

It describes whether the LAN is a broadcast or token-passing network.

A

It defines how hosts and network devices connect to the LAN.

24
Q

A network engineer is troubleshooting a network problem where users cannot access the FTP server at the same IP address where a website can be successfully accessed. Which troubleshooting method would be the best to apply in this case?

Comparing IP settings on user workstations.
Bottom up.
Divide-and-conquer.
Top-down.

A

Top-down.

25
Q

A computer technician performed a number of actions to correct a problem. Some actions did not solve the problem, but eventually a solution was found. What should be documented?

A description of the problem and solution.

Only the solution, because this solved the problem.

Everything that was done to try to solve the problem.

Only the failed attempts, so that future technicians will know what not to try.

A

Everything that was done to try to solve the problem.

26
Q

A network engineer is troubleshooting a network problem and can successfully ping between two devices. However, Telnet between the same two devices does not work. Which OSI layers should the administrator investigate next?

From the network later to the physical layer.

All of the layers.

From the network layer to the application layer.

Only the network layer.

A

From the network layer to the application layer.

27
Q

While designing changes to a data center because of a new IoE implementation, a network administrator has the job of diagramming the new physical topology of the area. What should be included in the physical topology diagram?

The IP addressing scheme for all workstations in the company.

Cable locations and lengths between servers and switches.

Technical specifications of firewalls.

The service level agreement from the ISP.

A

Cable locations and lengths between servers and switches.

28
Q

A network technician is troubleshooting an email connection problem. Which question to the end-user will provide clear information to better define the problem?

What kind of equipment are you using to send emails?

When did you first notice your email problem?

Is your email working now?

How big are the emails you tried to send?

A

When did you first notice your email problem?

29
Q

Which troubleshooting tool can be used to pinpoint the distance to a break in a network cable?

Network analysis module.
Network analyzer.
digital multimeter.
cable tester.

A

cable tester.

30
Q

Which troubleshooting software is an example of a network management system tool?

WhatsUp Gold.
CyberGauge.
Wireshark.
LANsurveyor.

A

WhatsUp Gold.

31
Q

What is the purpose of establishing a network baseline?

To verify the configuration of routers and switches on the network.

To document and analyze the network traffic.

To provide an inventory of network devices.

To help monitor and troubleshoot network performance.

A

To help monitor and troubleshoot network performance.

32
Q

After which step in the network troubleshooting process would one of the layered troubleshooting methods be used?

Gather symptoms from suspect devices.
Documenting symptoms.
narrowing the scope.
determining ownership.

A

Gather symptoms from suspect devices.

33
Q

A company is setting up a web site with SSL technology to protect the authentication credentials required to access the web site. A network engineer needs to verify that the setup is correct and that the authentication is indeed encrypted. Which tool should be used?

Protocol analyzer.
Cable analyzer.
Baselining tool.
Fault-management tool.

A

Protocol analyzer.

34
Q

When should a network performance baseline be measured?

During normal work hours of an organization.

After normal work hours to reduce possible interruptions.

Immediately after the main network devices restarted.

when a denial of service attack to the network is detected and blocked.

A

During normal work hours of an organization.

35
Q

A networked PC is having trouble accessing the Internet, but can print to a local printer and ping other computers in the area. Other computers on the same network are not having any issues. What is the problem?

The default gateway router does not have a default route.

The switch port to which the PC connects has an incorrect VLAN configured.

The PC has a missing or incorrect default gateway.

The link between the switch to which the PC connects and the default gateway router is down.

A

The PC has a missing or incorrect default gateway.

36
Q

A technician installed a network adapter in a computer and wants to test network connectivity. The ping command can receive responses from workstations on the same subnet but not from remote workstations. What could be causing the problem?

The NIC driver is out of date.

The operating system is not compatible with the remote sites.

The TCP/IP protocol stack is not loaded.

The default gateway is incorrect.

A

The default gateway is incorrect.

37
Q

What network troubleshooting capability is provided by a cable analyzer?

Discovering VLAN configuration and viewing switch interface details.

Generating reports on traffic that is consuming critical network resources.

Measuring electrical values of voltage, current, and resistance.

Testing and certifying of copper and fiber cables.

A

Testing and certifying of copper and fiber cables.

Networking III (7 decks)

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