A network technician is installing a new fiber-optic connection between two buildings on a campus network. When the network technician connects the fiber at the second location, the interface link light does not light up. Which of the following should the technician do NEXT?

A customer cannot access a company's secure website. The company's network security is reviewing the
firewall for the server and finds the following output:

Which of the following changes should be made to allow all customers to access the company's secure
website?

A network technician receives a help desk ticket indicating all users at a branch office are having problems connecting to the corporate wireless network, The technician verifies the wireless controller can see the WAPS at this office and they are configured appropriately. After reviewing recently closed tickets, the network technician discovers a software upgrade was implemented to the wireless network at that branch office overnight. Which of the following is MOST likely the cause of the issue?

The address 6FFE:FFFF:0000:2F3B:04AC:00FF:FEBE:5C4A is an example of which of the following?

A network administrator wishes to ensure there are no unnecessary open communication paths into a server. Using a port scanner, the administrator finds that ports are reported as closed.
Which of the following BEST explains this response?