CCNA1 Chapter 4 Practice Test

 

Which layer of the OSI model is the transport layer?

 

Which devices operate at the transport layer?

 

Which protocols of the TCP/IP suite operate at the transport layer? (Choose two)

 

Which of the following services should be provided by the transport layer of the OSI model? (Select all that apply)

 

Which TCP/IP protocol is a connection-oriented protocol that provides all the expected transport layer services?

 

How does the connection-oriented transport layer protocol start up a session between two hosts?

 

When two hosts initialise a connection, they must synchronize by exchanging initial sequence numbers. The source host begins by sending a SYN signal with its own ISN. What does the destination host do when it receives the signal?

 

A situation can arise where the destination host is receiving data more quickly than it can process it, its buffers overflow, and it loses some of the data. What can be used to put this situation right?

 

If TCP is using a window size of 3, what does this mean?

 

The source has just sent octets 4, 5 and 6. It receives a message ACK 6. What will it do?

 

The following fields are all in the TCP segment. Which of them are also in the UDP datagram? (Choose three)

 

Which of the following tasks are carried out by UDP? (Choose two)

 

A user tries to download a file using TFTP but the download fails. What could happen next?

 

A user tries to download a file using FTP but the download fails. What could happen next?

 

Which statements are true of port numbers? (Choose three)

 

 

 

 

 

Which of the following application layer protocols use TCP? (Choose all that apply)

 

 

Which of the following application layer protocols use UDP? (Choose all that apply)