A company's Chief Information Security Officer (CISO) has decided to increase overall network security by implementing two-factor authentication. All users already have username/password combinations and require an additional factor of authentication. Which of the following would satisfy the requirements?

A network technician is attempting to troubleshoot a connectivity issue. The issue is only reported during
the evening hours, and only a single workstation loses connectivity. Which of the following is the MOST
likely cause of the issue?

A network technician has salvaged several Ethernet cables from a datacenter. The technician attempts to use the cables to connect desktops to the network without success. Which of the following is MOST likely the issue?

A technician wants to physically connect two office buildings' networks. The office buildings are located 600ft (183m) apart. Which of the following cable types is the BEST choice?

Which of the following should current network performance be compared against to determine networks memories?