A network engineer is dispatched to an employee office to troubleshoot an issue with the employee's laptop. The employee is unable to connect to local and remote resources. The network engineer flips the laptop's wireless switch on to resolve the issue. At which of the following layers of the OSI model was the issue resolved?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
E. Layer 7
Answer: A. Layer 1
Computer Science & Information Technology
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Discuss what is needed to keep the training and awareness function relevant for the whole organization.
What will be an ideal response?
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On some systems, external disk drives and similar parallel devices are connected to the system through a __________ bus.
a. serial b. USB (universal serial bus) c. parallel d. SCSI (small computer system interface)
Computer Science & Information Technology