jawaban tugas CCNA 1.6

1. A user types www.cisco.com into a web browser address textbox. What does www.cisco.com represent?(the IP address of a web server)

2. What type of server would use IMAP? (e-mail)

3. Which type of server would most likely be used first by a network client in a corporate environment? (DHCP)

4. Which protocol is used by FTP to transfer files over the Internet? (TCP)

5. Which protocols are TCP/IP application layer protocols? (Choose two.)
(a.FTP b.SMTP)

6. Which of the following are layers of the TCP/IP model? (Choose three.)
(a. Application b.Internet c. Network Access )

7. You are creating a network-based video game. What influences your decision about which transport protocol to use for the application?
(UDP will not disrupt the game to retransmit dropped packets.)

8. Whenever e-mail clients send letters, what device is used to translate the domain names into their associated IP addresses? (DNS server )

9. Which application is most likely used to translate www.cisco.com to 198.133.219.25? (FTP)

10. Refer to the graphic. Which protocol is used to access this website? (bonus)

11. Which port number is used by SMTP? (20)

12. Which protocol is used by e-mail servers to communicate with each other?(SMTP )

13. What client software enables logged in users to communicate with other logged in users in real time? (instant messaging)

14. An Internet server is running both FTP and HTTP services. How does the server know which of these applications should handle an incoming segment? (The packet header identifies it as an HTTP or FTP packet. )

15. What term is used to describe how TCP/IP protocols are layered and interact to format, address, and transmit information across a network? (protocol layering )

16. What three items are contained in an Ethernet frame? (Choose three.)
a.destination MAC address b. source MAC address c. source IP address

17. What information is contained in an IP header? (source and destination IP addresses )

18. Cabling issues are associated with which OSI layer? (1)

19. A device receives an Ethernet frame and recognizes the MAC address as its own. What does the device do to the message to get to the encapsulated data?
( removes the Ethernet header and trailer )
20. A client has decoded a frame and started the de-encapsulation process. In which order does the de-encapsulation process occur?
1) remove IP header
2) remove Ethernet header and trailer
3) remove TCP header
4) pass data to the application


21. What is an advantage of the use of layers in the OSI reference model?
(It prevents changes in one layer from affecting other layers. )

22. What is the correct order of the layers of the OSI reference model, starting at the lowest layer and working up the model? (physical, data link, network, transport, session, presentation, application )