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Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
Correct answer(s):
- switch
How many devices can a Bluetooth device connect to simultaneously?
Correct answer(s):
- 7
A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?
Correct answer(s):
- fiber optic
When would a printer be considered a network host?
Correct answer(s):
- when it is connected to a switch
Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)
Correct answer(s):
- RFI
- EMI
Which two devices are commonly powered by PoE? (Choose two.)
Correct answer(s):
- access point
- IP phone
A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device? (Choose three.)
Correct answer(s):
- switch
- router
- wireless access point
An employee reports that the antivirus software cannot obtain updates. The support technician notices that the license for the software has expired. The technician adds a new license to the software and completes the update service. What should the technician do next?
Correct answer(s):
- Run a full virus scan on the computer.
What is a primary benefit of preventive maintenance on a PC?
Correct answer(s):
- It extends the life of the components.
A technician is performing hardware maintenance of PCs at a construction site. What task should the technician perform as part of a preventive maintenance plan?
Correct answer(s):
- Remove dust from intake fans.
What is the best way to determine if a CPU fan is spinning properly?
Correct answer(s):
- Visually inspect the fan when the power is on to ensure it is spinning.
What are three benefits of computer preventive maintenance? (Choose three.)
Correct answer(s):
- improvement in data protection
- extension of the life of components
- reduction in the number of equipment failures
In which step of the troubleshooting process would a technician have to do more research on the Internet or within the computer manual in order to solve a problem?
Correct answer(s):
- Establish a plan of action to resolve the problem and implement the solution.
Which two types of data should be backed up before troubleshooting a computer for a customer? (Choose two.)
Correct answer(s):
- Internet Explorer favorites files
- documents that are created by the customer
An employee reports that the output of a workstation display is distorted. The technician checks the manufacturer’s website and downloads the latest version of the video driver. After the video driver is installed, what should the technician do next?
Correct answer(s):
- Open a video editing application to verify the video performance.
What is the next step after a possible solution is implemented during a troubleshooting process?
Correct answer(s):
- Verify the full system functionality and apply maintenance procedures.
What is the purpose of documenting the information that is obtained from the customer in the work order?
Correct answer(s):
- to use the information to aid in solving the problem
A helpdesk technician takes a call, “Good morning, this is the helpdesk. My name is Greg. How may I help you today?” The frantic caller states, “My computer will not turn on and I have a presentation in 15 minutes.” The technician responds, “Now calm down and let us see what we can do.” The technician then proceeds to lead the caller through the process of checking power cables and power lights. Which troubleshooting step is being used at this point?
Correct answer(s):
- Identify the problem.
A specific computer has an issue that could not be resolved by the help desk technician. The on-site technician finds that Windows updates have been disabled. The technician re-enables the update service, configures the computer for automatic updates, downloads and installs all missing updates, ensures the computer boots successfully, and verifies with the customer that the issue has been resolved. Which step, if any, is next?
Correct answer(s):
- Document the findings, actions, and outcomes.
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?
Correct answer(s):
- everything that was done to try to solve the problem