5B

Question 1

What does connection-oriented mean?

Answer 1

Connection-oriented means that delivery of information or data is guaranteed by the protocols employed to transmit it. If any data is not received by the destination device, it is resent by the sending device

Question 2

TCP enables two computers to what?

Answer 2

To establish a connection and exchange streams of data in the form of data units.

Question 3

TCP is a connection-oriented communication protocol that
provides…?

Answer 3

sequencing and acknowledgement of data packets delivery.

Question 4

TCP is highly reliable but requires more…?

Answer 4

transmission time

Question 5

TCP is strictly used for…?

Answer 5

point to point or unicast (connection oriented) transmissions

Question 6

What is ACK/NACK…?

Answer 6

A process that requires both the sending and receiving machines to acknowledge the other’s presence and readiness prior to sending and receiving data.

Question 7

ACK/NACK is also known as…?

Answer 7

A three-way handshake

Question 8

TCP guarantees data packets…?

Answer 8

Transfer and arrive in the same order in which they were sent.

Question 9

What layer does TCP operate at?

Answer 9

The Transport layer of the OSI model.

Question 10

The TCP header size is ___ bytes.

Answer 10

20

Question 11

The transport layer creates virtual _______ connections
between network hosts.

Answer 11

TCP or UDP

Question 12

The Transport layer assigns _______ to the protocols running on the host and adds a TCP or UDP header to the messages received from the applications detailing the source and destination port numbers.

Answer 12

port numbers

Question 13

Some protocols require reliable ordered delivery of packets. The TCP
protocol provides this capability. What are these protocols?

Answer 13

Telnet, SMTP and HTTP