Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
Multiple Choice Quizzes with Answer in English (Page: 284)
What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
What is a characteristic of a WAN?
What is a common function of a proxy server?
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
How many devices can a Bluetooth device connect to simultaneously?
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?
When would a printer be considered a network host?
Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)
Which two devices are commonly powered by PoE? (Choose two.)
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.)
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?
What is a primary benefit of preventive maintenance on a PC?
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?
What is the best way to determine if a CPU fan is spinning properly?
What are three benefits of computer preventive maintenance? (Choose three.)
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?
Which two types of data should be backed up before troubleshooting a computer for a customer? (Choose two.)
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?
What is the next step after a possible solution is implemented during a troubleshooting process?