A network administrator wants to narrow the scope of a subnet to two usable IP addresses within a class C network. Which of the following is the correct CIDR notation?

A network technician has been attempting to gain access to a switch over the network after an extended power outage but has been unsuccessful. The technician runs a network scan and does not find the switch in the results. The switch is turned on, and the link lights are all green. Which of the following should the technician use to gain access to the switch?

Which of the following routing conventions is known as a link-state protocol?

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 administrator is reviewing the following output from a switch.

Which of the following attacks has occurred on the switch?