CompTIA Network+: Network Troubleshooting Methodologies & Tools

Question 1

Implementing a troubleshooting methodology should begin with which step?

Answer 1

Identifying the problem

Question 2

Establishing a theory of the most probable cause of an issue should involve which steps?

Answer 2

Questioning users

Creating a prioritized list of causes

Question 3

Place the following testing steps in the correct sequence:

Establish new theory
Test
Look for other cause
Confirm
Escalate

Answer 3

Test
Confirm
Look for other cause
Establish new theory
Escalate

Question 4

Identifying the potential impact of a plan of action refers to which possibility upon implementation?

Answer 4

That the plan may have unforeseen repercussions

Question 5

Escalation of an issue refers to which approach?

Answer 5

Reporting a problem to the closest level of support first, then moving up from there

Question 6

After verifying that system functionality has been restored after implementing your solution, which additional steps should be taken?

Answer 6

Implement preventative measures to reduce the chance of the problem reoccurring

Question 7

Documentation of the history of a problem should include which items?

Answer 7

The symptoms that were exhibited
The corrective actions taken
The outcome

Question 8

Which statements correctly characterize the differences between throughput and bandwidth?

Answer 8

Bandwidth is the measure of how much data can theoretically be transferred
Throughput is the measure of how much data is actually being transferred
The measure of bandwidth does not change without changing your equipment

Question 9

Which type of network cabling typically needs to be installed when running cables between a suspended ceiling and the permanent ceiling?

Answer 9

Plenum

Question 10

Which type of cabling should be used when connecting a computer to a switch?

Answer 10

Straight-through

Question 11

Which type of data transmission issue can be caused by strong sources of power, magnetism, or radio?

Answer 11

Interference

Question 12

Which primary mitigation techniques should be implemented to help prevent crosstalk?

Answer 12

Install the cables farther apart from each other

Use shielded cable instead of unshielded

Question 13

Which type of network transmission issue may be indicative of a short in your cabling system?

Answer 13

Collisions

Question 14

If the network adapter of a specific computer is set to half duplex to support a legacy application, which settings would be acceptable on the other system with which is it communicating?

Answer 14

Half duplex

Auto negotiate

Question 15

Which system configuration settings and/or properties can help to reduce bottlenecks on your network?

Answer 15

Use auto-negotiate on adapters

Ensure adequate processing and memory

Question 16

Damaged or bent pins will most likely result in which types of network communication issues?

Answer 16

Intermittent connectivity

Loss of service

Question 17

When a network adapter is connected and communicating normally, what would you most likely see from the LED status light indicator?

Answer 17

Solid green light that flashes rapidly and randomly

Question 18

Which testing tool can help you to identify where a wall port connection terminates at the patch panel end?

Answer 18

Tone generator