6. Which of the following allows a router to respond to an ARP request that is intended for a remote host?

A. Gateway DP
B. Reverse ARP (RARP)
C. Proxy ARP
D. Inverse ARP (IARP)

7. The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

A. Application
B. Host-to-Host
C. Internet
D. Network Access

8. Which of the following services use UDP?

1. DHCP
2. SMTP
3. SNMP
4. FTP
5. HTTP
6. TFTP

A. 1, 3 and 6
B. 2 and 4
C. 1, 2 and 4
D. All of the above

9. Which class of IP address provides a maximum of only 254 host addresses per network ID?

A. Class A
B. Class B
C. Class C
D. Class D

10. If you use either Telnet or FTP, which is the highest layer you are using to transmit data?

A. Application
B. Presentation
C. Session
D. Transport