The Internet model consists of _______ layers.

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Presentation transcript:

The Internet model consists of _______ layers. Three B) Five C) Seven D) Eight

2. The process-to-process delivery of the entire message is the responsibility of the _______ layer. A) Network B) Transport C) Application D) Physical

3. The _______ layer changes bits into electromagnetic signals. Physical B) Data link C) Transport D) None of the above

4. Which of the following is an application layer service? Remote log-in B) File transfer and access C) Mail service D) All the above

5. Why was the OSI model developed? Manufacturers disliked the TCP/IP protocol suite. B) The rate of data transfer was increasing exponentially C) Standards were needed to allow any two systems to communicate D) None of the above

6. In the OSI model, when data is transmitted from device A to device B, the header from A's layer 5 is read by B's _______ layer. A) physical B) transport C) session D) presentation

7. In the OSI model, what is the main function of the transport layer? node-to-node delivery B) process-to-process message delivery C) synchronization D) updating and maintenance of routing tables

8. When a host on network A sends a message to a host on network B, which address does the router look at? A) port B) logical C) physical D) none of the above

9. IPv6 has _______ -bit addresses. 32 B) 64 C) 128 D) variable

10. The physical, data link, and network layers are the ______ support layers. user B) network C) both (a) and (b) D) neither (a) nor (b)

11. The session, presentation, and application layers are the ____ support layers. user B) network C) both (a) and (b) D) neither (a) nor (b)

12. The _______ layer links the network support layers and the user support layers. transport B) network C) data link D) session

13. The ______ layer establishes, maintains, and synchronizes the interactions between communicating devices. A) transport B) network C) session D) physical

14. TCP/IP is a ______ hierarchical protocol suite developed ____ the OSI model. seven-layer; before B) five-layer; before C) four-layer; before D) five-layer; after

ANSWER B A D C