22414 -sample-question-paper- Data Communication and Computer Network I Scheme 4th Semester Computer

Q.1) Attempt any FIVE of the following.                                      
a)     List modes of Communication.
b)     Classify Computer networks based of Transmission Technology.
c)     Define Guided & Unguided Transmission Medium.
d)     State Types of Errors.
e)     Compare LRC & VRC.
f)      Draw OSI Reference Model.
g)     List any four Networking Connecting Devices.


10 Marks
Q.2) Attempt any THREE of the following.                                  
a)     Define computer network & state need of computer.
b)     Draw a neat diagram of Fiber optic cable & state its types.
c)     Describe various IEEE standards for network topologies.
d)     Draw & explain TCP/IP protocol suite.


12 Marks
Q.3) Attempt any THREE of the following.                                  

12 Marks    

a)            Compare different techniques of switching on the basis of Orientation, Flexibility, Technology, and Layer.
b)           Describe the role of transmission medium in the process of data communication.
c)            Differentiate between Hub & switch on the basis of layer, ports, device type, speed.
d)           List all layers of OSI model & state its function.
Q.4) Attempt any THREE of the following.                                                         12 Marks
a)             Draw & describe the connecting devices required for LAN for an organization using Tree topology.
b)            Describe any 4 classes of IPv4 addresses with its range.
c)             Describe Multiplexing techniques.
d)            Give the names of network layer. Where following protocols are relate/belong to:
                    i)     SMTP    ii)     TCP-UDP      iii)   IP    iv)   PPP
e) For a trading firm an organization with 10users, draw network architecture design of wireless LAN.
      
Q.5) Attempt any TWO of the following.                                                             12 Marks
       a)      Draw and describe the process of data communication in:
                    i)     Simplex mode     ii)    Half Duplex      iii)     Full Duplex
b)            Describe the working principle of Packet switching and Circuit switching techniques with neat diagram.
c)             Describe the process DHCP server configuration.

Q.6) Attempt any TWO of the following.                                                             12 Marks
a)     Describe Bluetooth architecture technologies.
b)     Describe procedure to configure TCP/IP network layer services.
c)     Identify appropriate network topology and network connecting devices for following requirement. Draw network design for proposed network. 
     An organization having its office in a building of 5 floor. Each floor it needs 20 machines. There is one File server. Each floor has 2 print servers to facilitate printer capacity.




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