Which of the following technologies provides a failover mechanism for the default gateway?

At which of the following OSI model layers does routing occur?

A network technician was hired to harden the security of a network. The technician is required to enable encryption and create a password for AP security through the web browser. Which of the following would BEST support these requirements?

A network administrator is troubleshooting an issue with a new Internet connection. The ISP is asking detailed questions about the configuration of the router that the network administrator is troubleshooting. Which of the following commands is the network administrator using? (Select TWO.)

Which of the following security devices would be BEST to use to provide mechanical access control to the MDF/IDF?