WorksheetsTransport Layer UDP
Total questions: 46
Worksheet time: 35mins
Name
Class
Date
1.
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
2.
UDP is called a ________________transport protocol.
a)
connectionless, reliable
b)
connection-oriented, unreliable
c)
connectionless, unreliable
d)
none of the above
3.
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
4.
UDP is an acronym for _______.
a)
User Delivery Protocol
b)
User Datagram Procedure
c)
User Datagram Protocol
d)
none of the above
5.
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
6.
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
7.
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
8.
In the sending computer, UDP receives a data unit from the _______ layer.
a)
Application
b)
Transport
c)
IP
d)
none of the above
9.
In the sending computer, UDP sends a data unit to the _______ layer.
a)
Application
b)
Transport
c)
IP
d)
none of the above
10.
UDP and TCP are both _______ layer protocols.
a)
data link
b)
Network
c)
Transport
d)
none of the above
11.
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
12.
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
13.
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
14.
A port address in UDP is _______bits long
a)
8
b)
16
c)
32
d)
none of the above
15.
Which of the following does UDP guarantee?
a)
Congestion control
b)
connection-oriented delivery
c)
flow control
d)
none of the above
16.
The source port address on the UDP user datagram header defines _______.
a)
the sending computer
b)
the receiving computer
c)
the process running on the sending computer
d)
none of the above
17.
The combination of an IP address and a port number is called a ____________.
a)
transport address
b)
network address
c)
socket address
d)
none of the above
18.
To use the services of UDP, we need ________ socket addresses.
a)
4
b)
2
c)
3
d)
none of the above
19.
UDP packets are called __________.
a)
user datagrams
b)
Segments
c)
Frames
d)
none of the above
20.
UDP packets have a fixed-size header of _______ bytes.
a)
16
b)
8
c)
40
d)
none of the above
21.
UDP packets are encapsulated in ___________.
a)
an Ethernet frame
b)
an TCP segment
c)
an IP datagram
d)
none of the above
22.
UDP uses ________ to handle outgoing user datagrams from multiple processes on one host.
a)
flow control
b)
Multiplexing
c)
Demultiplexing
d)
none of the above
23.
UDP uses _______ to handle incoming user datagrams that go to different processes on the same host.
a)
flow control
b)
Multiplexing
c)
Demultiplexing
d)
none of the above
24.
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
25.
UDP is called a ________________transport protocol.
a)
connectionless, reliable
b)
connection-oriented, unreliable
c)
connectionless, unreliable
d)
none of the above
26.
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
27.
UDP is an acronym for _______.
a)
User Delivery Protocol
b)
User Datagram Procedure
c)
User Datagram Protocol
d)
none of the above
28.
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
29.
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
30.
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
31.
In the sending computer, UDP receives a data unit from the _______ layer.
a)
Application
b)
Transport
c)
IP
d)
none of the above
32.
In the sending computer, UDP sends a data unit to the _______ layer.
a)
Application
b)
Transport
c)
IP
d)
none of the above
33.
UDP and TCP are both _______ layer protocols.
a)
data link
b)
Network
c)
Transport
d)
none of the above
34.
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
35.
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
36.
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
37.
A port address in UDP is _______bits long
a)
8
b)
16
c)
32
d)
none of the above
38.
Which of the following does UDP guarantee?
a)
Congestion control
b)
connection-oriented delivery
c)
flow control
d)
none of the above
39.
The source port address on the UDP user datagram header defines _______.
a)
the sending computer
b)
the receiving computer
c)
the process running on the sending computer
d)
none of the above
40.
The combination of an IP address and a port number is called a ____________.
a)
transport address
b)
network address
c)
socket address
d)
none of the above
41.
To use the services of UDP, we need ________ socket addresses.
a)
4
b)
2
c)
3
d)
none of the above
42.
UDP packets are called __________.
a)
user datagrams
b)
Segments
c)
Frames
d)
none of the above
43.
UDP packets have a fixed-size header of _______ bytes.
a)
16
b)
8
c)
40
d)
none of the above
44.
UDP packets are encapsulated in ___________.
a)
an Ethernet frame
b)
an TCP segment
c)
an IP datagram
d)
none of the above
45.
UDP uses ________ to handle outgoing user datagrams from multiple processes on one host.
a)
flow control
b)
Multiplexing
c)
Demultiplexing
d)
none of the above
46.
UDP uses _______ to handle incoming user datagrams that go to different processes on the same host.
a)
flow control
b)
Multiplexing
c)
Demultiplexing
d)
none of the above
100 %
