CompTIA A+® Complete Deluxe Study Guide:Exams 220-701 (Essentials) and 220-702 (Practical Application)

18.5. Review Questions

1. To increase security, you decide to use your firewall to block the Telnet protocol. Which port will you need to block to prevent Telnet from being used?

   1. 21

   2. 22

   3. 23

   4. 24

2. When SSL and HTTP are used together, what does the beginning of a site address become?

   1. https://

   2. ssl://

   3. asp://

   4. tcp://

3. Which troubleshooting tool can be used at the command line to see the IP configuration data given by a DHCP server to a Windows XP workstation?

   1. Ifconfig

   2. Ipconfig

   3. Winipcfg

   4. Hijack

4. You are administering a system that has been locked down for security reasons. You notice that among all of the other ports, port 443 and port 80 have been disabled. What services are associated with these ports? (Choose two.)

   1. Telnet

   2. FTP

   3. HTTP

   4. HTTPS

5. Which of the following protocols can be ...