An administrator is able to list the interfaces on a switch after providing the community string
“public”. Which of the protocols is the administrator MOST likely using?

Which of the following protocols is used to provide secure authentication and encryption over nonsecure networks?

Which of the following would be used in a firewall to block incoming TCP packets that are not from
established connections?

The systems administrator has assigned an IP address and default gateway to a standard Layer 2
switch. Which of the following would be the primary purpose of doing this?

Which of the following would be used to place extranet servers in a separate subnet for security
purposes?

Which of the following would a network administrator use to scan a network for vulnerabilities?

Which of the following dynamic routing protocols selects routing paths based upon hop count?

Which of the following attack types is being used if the originating IP address has been spoofed?

Which of the following preventative measures would BEST secure a web server from being port
scanned by attackers publicly?

A technician, Joe, visits a site that has reported a network down emergency. He immediately
reboots the switches and the router since the network is down. Which of the following network
troubleshooting methodology steps should Joe have performed FIRST?