CCNA Guide to Cisco Networking – Session 3 , Dr.Hahamdar

1. Which of the following is a reliable communications protocol?

a. UDP

b. TCP

c. IP

d. ICMP

2. Which of the following is used by the TFTP protocol?

a. UDP

b. TCP

c. ICMP

d. Telnet

3. Which of the following is a layer in the TCP/IP protocol stack? (Choose all that apply.)

a. Application

b. Presentation

c. Physical

d. Data Link

e. Internetwork

4. Which of the following is a TCP/IP Application layer protocol? (Choose all that apply.)

a. DNS

b. FTP

c. UDP

d. IP

e. ICMP

5. Which of the following is a TCP/IP Internetwork layer protocol? (Choose all that apply.)

a. ICMP

b. FTP

c. DNS

d. ARP

e. IP