WorksheetsCS8591-CN-WEEKLY TEST QUIZ 5
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
Which among the following are delivered by the transport layer in process-to-process delivery mechanism?
a)
Frames
b)
Datagrams
c)
Packets
d)
all of the mentioned
2.
Which among the following are uncontrolled and un-registered form of ephemeral ports in accordance to IANA?
a)
Well known Ports
b)
Registered Ports
c)
Dynamic Ports
d)
all of the mentioned
3.
What is the purpose of using source & destination port numbers respectively in the addressing method of transport layer?
a)
For Delivery & Reply operations
b)
For Reply & Delivery operations
c)
Only for Delivery operations
d)
Only for Reply operations
4.
Which among the several transport services deals with the addresses, protocol utility class in addition to performance evaluating features of a connection?
a)
Connection Management
b)
Quality of Service
c)
User Interface
d)
Status Reporting
5.
Which mechanism/s is/are extremely essential in data link and transport layers in accordance to operational services offered by the transport protocols?
a)
Buffering
b)
Flow Control
c)
Both a & b
d)
None of the above
6.
Which TCP timer signifies its contribution in measuring the time of connection maintenance in TIME_WAIT state?
a)
Keep alive Timer
b)
Persist Timer
c)
Retransmission Timer
d)
2 Maximum Segment lifetime Timer
7.
Which mechanism in transport layer supplies multiple network connections along with the distribution of traffic over them in a round-robin basis/ fashion?
a)
Upward Multiplexing
b)
Downward Multiplexing
c)
Buffering & Flow Control
d)
Crash Recovery
8.
Which of the following that a data field can carry?
a)
ICMP messages
b)
TCP segment
c)
UDP segment
d)
none of the mentioned
9.
Which of the protocol at transport layer provides connection oriented service?
a)
UDP
b)
TCP
c)
IP
d)
IPX
10.
Transport layer aggregates data from different applications into a single stream before passing it to
a)
network layer
b)
data link layer
c)
application layer
d)
physical layer
11.
Which one of the following is a transport layer protocol used in internet?
a)
TCP
b)
UDP
c)
both (a) and (b)
d)
none of the mentioned
12.
User datagram protocol is called connectionless because
a)
all UDP packets are treated independently by transport layer
b)
it sends data as a stream of related packets
c)
both (a) and (b)
d)
none of the mentioned
13.
Transmission control protocol is
a)
connection oriented protocol
b)
uses a three way handshake to establish a connection
c)
recievs data from application as a single stream
d)
all of the mentioned
14.
An endpoint of an inter-process communication flow across a computer network is called
a)
socket
b)
pipe
c)
port
d)
none of the mentioned
15.
Socket-style API for windows is called
a)
wsock
b)
winsock
c)
wins
d)
none of the mentioned
16.
Which one of the following is a version of UDP with congestion control?
a)
datagram congestion control protocol
b)
stream control transmission protocol
c)
structured stream transport
d)
none of the mentioned
17.
A _____ is a TCP name for a transport service access point.
a)
port
b)
pipe
c)
node
d)
none of the mentioned
18.
Which of the following is a transport layer protocol?
a)
DNS
b)
HTTP
c)
TCP<br />
d)
RIP
19.
_______ is a process-to-process protocol that adds only port addresses, checksum error control, and length information to the data from the upper layer.
a)
TCP
b)
UDP
c)
IP
d)
none of the mentioned
20.
The_________ layer is responsible for the delivery of a message from one process to another.
a)
physical
b)
transport
c)
network
d)
none of the above
21.
To deliver a message to the correct application program running on a host, the _______ address must be consulted.
a)
port
b)
IP
c)
physical
d)
none of the mentioned
22.
Which of the following services use TCP?
a)
DHCP
b)
SMTP
c)
FTP
d)
TFTP<br />
23.
Which of the following layer is responsible for process to process delivery?
a)
Network layer
b)
Transport layer
c)
Presentation layer
d)
Data link layer
24.
Transport layer aggregates data from different applications into a single stream before passing it to:
a)
Network layer
b)
Transport layer
c)
Presentation layer
d)
Data link layer
25.
User datagram protocol is called connectionless because:
a)
all UDP packets are treated independently by transport layer
b)
it sends data as a stream of related packets
c)
both (a) and (b)
d)
none of the mentioned
26.
Which one of the following is a transport layer protocol?
a)
stream control transmission protocol
b)
internet control message protocol
c)
neighbor discovery protocol
d)
dynamic host configuration protocol
27.
Which of following provides reliable communication?
a)
TCP
b)
IP
c)
UDP
d)
all of the mentioned
28.
What is the typical range of Ephemeral ports?
a)
1 to 80
b)
1 to 1024
c)
80 to 8080
d)
1024 to 65535
29.
What is the purpose of the PSH flag in the TCP header?
a)
Typically used to indicate end of message
b)
Typically used to indicate beginning of message
c)
Typically used to push the message
d)
Typically used to indicate stop the message
30.
Unlike TCP, this alternative method of data exchange does not provide the service of dividing a message into packets and reassembling it at the other end, but instead relies on the application program to make sure that the entire message has arrived and is in the right order.
a)
SMTP
b)
UDP
c)
DHCP
d)
none of the mentioned
100 %
