CompTIA A+ Core 1: Problem Solving and Best Practices

 

Question:

Documenting the troubleshooting process can provide the troubleshooting team with a collection of information that can be used in future troubleshooting scenarios. It is usually organized in a searchable structure where technicians can search on keywords or symptoms. What is this known as?

• Knowledgebase

Question

:

The sales team is attending a meeting in the conference room. Ten minutes into a presentation by the sales manager, the video projector shuts down. They try several times to get it to turn back on and finally do. After a few minutes, it shuts down again.

 

What is a likely cause for this type of behavior?

• Dust buildup in the projector or the fan output is blocked

Question

:

While testing a theory as to the cause of a problem, you can employ troubleshooting tools to help with your testing. One tool is part of the system BIOS of personal computers and tests all the components required for a successful boot. It may display errors as codes on the screen or as a series of beeps.

 

Which troubleshooting tool is described?

• POST

Question

:

You are troubleshooting a network connectivity issue between two nodes on the network. Knowing that the problem could be with software in the upper four layers of the OSI model, or the bottom three layers which include the network hardware, you use the Ping command to check for basic connectivity of the bottom three layers.

 

This approach represents which common logical deduction technique?

• Divide and conquer

Question

:

While trying to establish a theory for a probable cause for some video issues a client is having, you decide to swap their display for one that is working correctly.

 

Which category for establishing a cause were you using?

• Use elimination techniques

Question

:

You have a computer system that operates in an area susceptible to potential overvoltages in the power supplied. Which component has the capacity to protect your system from these power spikes?

• Surge protector

Question

:

You are in the process of establishing a troubleshooting plan of action and want to include procedures just in case something goes wrong. Which core element of the action plan is where these considerations take place?

• Establishing contingency and rollback strategies

Question

:

You are troubleshooting a network congestion issue. You are told that the problem shows up every lunch hour. As part of your troubleshooting, you request the network monitoring data for the past month to see if the problem existed back then.

 

Which key consideration for problem identification are you exercising by examining past records?

• Understand system behavior before and after the issue

Question

:

You are investigating complaints that data read/write times on a RAID array are slower than usual. Upon investigating, the drives in the array indicate that they are in “rebuild” mode. What does this mean?

• The system will return to normal operation when the rebuild finishes

Question

:

One of the suggested corrective actions for troubleshooting mobile devices is to toggle airplane mode on and off. What sort of problem does this help resolve?

• Connectivity Issues

Question

:

Which of the core aspects of system functionality verification includes identifying any remaining concerns?

• User acceptance testing