IT Questions Bank Which technology uses existing electrical wiring to connect devices to a network?IT Administrator asked 4 years ago • IT Essentials, IT Essentials 8Which smart home technology requires the use of a device, known as a coordinator, to create a wireless PAN?ITExamAnswers asked 2 years ago • IT Essentials, IT Essentials 8Which three Wi-Fi standards operate in the 2.4GHz range of frequencies? (Choose three.)ITExamAnswers asked 4 years ago • IT Essentials, IT Essentials 8Which type of network will extend a short distance and connects printers, mice, and keyboards to an individual host?ITExamAnswers asked 2 years ago • IT Essentials, IT Essentials 8Which two protocols operate at the transport layer of the TCP/IP model? (Choose two.)ITExamAnswers asked 2 years ago • IT Essentials, IT Essentials 8Which security technology is used to passively monitor network traffic with the objective of detecting a possible attack?ITExamAnswers asked 2 years ago • IT Essentials, IT Essentials 8Which network service automatically assigns IP addresses to devices on the network?ITExamAnswers asked 4 years ago • CCNA, IT Essentials, IT Essentials 8, Networking Devices and Initial ConfigurationA company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this scenario?ITExamAnswers asked 2 years ago • IT Essentials, IT Essentials 8Which network device regenerates the data signal without segmenting the network?ITExamAnswers asked 2 years ago • IT Essentials, IT Essentials 8Which step in the troubleshooting process is important to help avoid repeating repair processes that were performed previously?ITExamAnswers asked 2 years ago • IT Essentials, IT Essentials 8What are two effects of not having a preventive maintenance plan for users and organizations? (Choose two.)ITExamAnswers asked 2 years ago • IT Essentials, IT Essentials 8What task should be completed before escalating a problem to a higher-level technician?ITExamAnswers asked 4 years ago • IT Essentials, IT Essentials 8A user has opened a ticket that indicates that the computer clock keeps losing the correct time. What is the most likely cause of the problem?ITExamAnswers asked 4 years ago • IT Essentials, IT Essentials 8Which task should be part of a hardware maintenance routine?ITExamAnswers asked 4 years ago • IT Essentials, IT Essentials 8An employee mentions that opening a large document file is taking longer than usual. The desktop support technician suspects that there might be a fault in the hard disk. What should the technician do next?ITExamAnswers asked 2 years ago • IT Essentials, IT Essentials 8