Deck 7: Understanding Transport Layer Protocols and UDP

Question 1

Transport layer protocols are useful for ensuring ______________ delivery.

A)H-2-H
B)H-2-R
C)N/W-2-N/W
D)End-2-End

Answer 1

H-2-H

Question 2

_______________is a reliable delivery mechanism.

A)IP
B)TCP
C)UDP
D)ARP

Answer 2

TCP

Question 3

Transport layer is _____________ the data link layer.

A)Above
B)Below
C)Depended on
D)None of the above

Answer 3

Above

Question 4

When a packet is lost in transit, it should be handled by _____________.

A)Sequence control
B)Loss control
C)Error control
D)Duplication control

Question 5

Internet is

A)a local computer network
B)a worldwide network of computers
C)an interconnected network of computers
D)a worldwide interconnected network of computers which use a common protocol

Question 6

World Wide Web

A)is another name for internet
B)worldwide connection for computers
C)a collection of linked information residing on computers connected by the internet
D)a collection of worldwide information

Question 7

HTML tags define

A)The data types of elements of document
B)Presentation of specified elements of a document
C)The contents of the document
D)The structure of the document

Question 8

One of the responsibilities of the transport layer protocol is to create a ______ communication.

A)host-to-host
B)process-to-process
C)node-to-node
D)none of the above

Question 9

UDP is called a ________________transport protocol.

A)connectionless, reliable
B)connection-oriented, unreliable
C)connectionless, unreliable
D)none of the above

Question 10

UDP does not add anything to the services of IP except for providing _______ communication.

A)node-to-node
B)process-to-process
C)host-to-host
D)none of the above

Question 11

UDP is an acronym for _______.

A)User Delivery Protocol
B)User Datagram Procedure
C)User Datagram Protocol
D)None of the above

Question 12

Although there are several ways to achieve process-to-process communication, the most common is through the __________ paradigm.

A)client-server
B)client-client
C)server-server
D)none of the above

Question 13

The local host and the remote host are defined using IP addresses. To define the processes, we need second identifiers called ____________.

A)UDP addresses
B)transport addresses
C)port addresses
D)none of the above

Question 14

The ports ranging from 49,152 to 65,535 can be used as temporary or private port numbers. They are called the ________ ports.

A)well-known
B)registered
C)dynamic
D)none of the above

Question 15

In the sending computer, UDP receives a data unit from the _______ layer.

A)application
B)transport
C)IP
D)none of the above

Question 16

In the sending computer, UDP sends a data unit to the _______ layer.

A)application
B)transport
C)IP
D)none of the above

Question 17

UDP and TCP are both _______ layer protocols.

A)data link
B)network
C)transport
D)none of the above

Question 18

Which of the following functions does UDP perform?

A)process-to-process communication
B)host-to-host communication
C)end-to-end reliable data delivery
D)none of the above

Question 19

When the IP layer of a receiving host receives a datagram, _______.

A)delivery is complete
B)a transport layer protocol takes over
C)a header is added
D)none of the above

Question 20

UDP needs the _______ address to deliver the user datagram to the correct application process.

A)port
B)application
C)internet
D)none of the above

Question 21

A port address in UDP is _______bits long.

A)8
B)16
C)32
D)any of the above

Question 22

Which of the following does UDP guarantee?

A)flow control
B)connection-oriented delivery
C)flow control.
D)none of the above

Question 23

Message _______ means that the receiver is ensured that the message is coming from the intended sender, not an imposter.

A)confidentiality
B)integrity
C)authentication
D)none of the above

Question 24

_________ means that a sender must not be able to deny sending a message that he sent.

A)Confidentiality
B)Integrity
C)Authentication
D)Non-repudiation

Question 25

________ means to prove the identity of the entity that tries to access the system's resources.

A)Message authentication
B)Entity authentication
C)Message confidentiality
D)none of the above