B.C.A. (Semester III) (CBCS) Examination Mar/Apr-2018
NETWORKING AND DATA COMMUNICATION
Time: 2½ Hours
Max. Marks: 70
Instructions: All Questions are compulsory. Figures to the right indicate full marks.
Q.1
Choose the correct alternatives:
14
Application layer is implemented in
End system
NIC
Ethernet
None of the mentioned
A Hub is used in
Network layer
Data Link Layer
Physical Layer
Application Layer
Header of a frame generally contains
synchronization bytes
addresses
frame identifier
all of the mentioned
Which one of the following protocol is used to receive mail messages?
smtp
post office protocol
internet message access protocol
all of the mentioned
Which one of the following algorithm is not used for congestion control?
traffic aware routing
admission control
load shedding
none of the mentioned
The 4 byte IP address consists of
network address
host addresses
both a and b
none of the mentioned
The frequency above 200 MHz is called
microwave
radiowave
infrared
none of these
Transmission control protocol is
connection oriented protocol
uses a three way handshake to establish a connection
receive data from application as a single stream
all of the mentioned
In radio transmission the medium of transmission is
space
an antenna
cable
carrier waves
10) The major advantage of Frequency modulation over Amplitude modulation is
reception is less noisy
smaller bandwidth
higher carrier frequency
small frequency deviation
11) Frequency and period are
proportional to each other
inverse of each other
the same
none of the above
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SLR-SR-13
12) Address Resolution Protocol is a
8 Bit Field
10 Bit Field
12 Bit Field
16 Bit Field
13) What is web browser?
A program that can display a web page
A program used to view html documents
It enables user to access the resource of internet
All of the mentioned
14) A video consists of a sequence of
Frames
Signals
Packets
Slots
Q.2
Answer any seven from the following.
14
Mention Service Primitives.
What is flow control?
Define internetworking.
Define Bit rate.
Write full form of POP and RARP.
What is analog and digital signal?
Define Frequency, Amplitude of signal.
Define routing
What is Congestion?
Q.3
Attempt any two of the followings:
What are the different types of errors? Explain error detection codes in detail.
Explain Transmission control verses User Datagram Protocol.
Explain transmission modes with neat diagram.
14
Q.4
Attempt any two of the followings:
14
Explain Domain Name System in detail.
Explain different switching mechanism with diagram.
What are the different design issues of layers?
Q.5
Attempt any two of the followings:
14
What is computer networking? Write the uses of computer networking.
Explain CSMA CA protocol in detail.
Explain protocol hierarchy in detail.