One advantage of using a domain is that you only have to log in one time to obtain access to all of the servers within that domain

Which of the following is a common OSI Layer 3 (network layer) troubleshooting issue? (Choose two.)

A) Mismatched maximum transmission unit (MTU) for IP packets B) Distance limitations exceeded C) Incorrect subnet mask D) Crosstalk E) Layer 2 loop

Which of the following are items that can be configured on a wireless router to make it more difficult for attackers to gain access? (Select TWO).

A. Change the wireless channel B. Disable SSID broadcast C. Change SSID from default D. Enable DES encryption E. Turn on port forwarding