CompTIA Network+: N10-007

Which of the following is indicative of an FTP bounce?

A. Arbitrary IP address

B. Reverse DNS lookups

C. Same Port Number

D. File Transfer Success

A customer wants to set up a guest wireless network for visitors. The customer prefers to not have a password on the network. Which of the following should a technician set up to force guests to provide information before using the network?

A. Single sign-on

B. RADIUS

C. TACACS+

D. Captive portal

A lab environment hosts Internet-facing web servers and other experimental machines, which technicians use for various tasks. A technician installs software on one of the web servers to allow communication to the company's file server, but it is unable to connect to it. Other machines in the building are able to retrieve files from the file server. Which of the following is the MOST likely reason the web server cannot retrieve the files, and what should be done to resolve the problem?

A. The lab environment's IDS is blocking the network traffic. The technician can whitelist the new application in the IDS.

B. The lab environment is located in the DMZ, and traffic to the LAN zone is denied by default. The technician can move the computer to another zone or request an exception from the administrator.

C. The lab environment has lost connectivity to the company router, and the switch needs to be rebooted. The technician can get the key to the wiring closet and manually restart the switch.

D. The lab environment is currently set up with hubs instead of switches, and the requests are getting bounced back. The technician can submit a request for upgraded equipment to management.