Rajasthan University Question Papers

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Here I’m providing you the exam paper of BCA issued by Rajasthan University. Please go through it.


PART-I : OBJECTIVE
Maximum Marks :20
It contains 40 multiple choice questions with
four choices and student will have to pick
the corrct one(each carying 1/2 marks).


1. IEEE 802.4 standard is for :
(a) Ethernet
(b) Token bus
(c) Token ring
(d) Link control

2. A television broadcast is an example of----------- transmission :
(a) Simple
(b) half duplex
(c) Full duplex
(d) Half Simplex

3. The number of bits in the suffix of class C address is ---------.
(a) 8
(b) 16
(c) 24
(d) 32

4. IP datagram has------- bytes of check sum field .
(a) 1
(b) 2
(c) 4
(d) 16

5. The------- layer changes bits into electromagnet signals.
(a) Physical
(b) Data link
(c) Network
(d) Transport

6. ----------- is the most widely used local area network protocol.
(a) Ethernet
(b) ATM
(c) Token bus
(d) Token ring

7. Repeater is used to------------ the network segment length.
(a) Switch
(b) Limit
(c) Extent
(d) Regenerate

8. Length of MAC ddress is ------ bits.
(a) 8
(b) 16
(c) 48
(d) 64

9. UDP and TCP are both --------layer protocols.
(a) Application
(b) Presentation
(c) Session
(d) Transpot

10. -------- is an unreliable and connectionless protocol.
(a) TCP
(b) SMTP
(c) UDP
(d) FTP

11. --------- are the situations when number of packets flowing is more than media bandwidth.
(a) Collision
(b) Congestion
(c) Collision Avoidance
(d) None of the above

12. Session initiation, management and termination are main services provided at-------- layer.
(a) Application
(b) Presentation
(c) Session
(d) Network

13. In an IP address, every segment can have integer value between--------and-------.
(a) 0, 255
(b) -1, 256
(c) 0, 256
(d) 1, 255

14. Wireless communication uses--------- technology.
(a) CSMA/CP
(c) CSMA/CA
(b) TCP/IP
(d) None of the above

15. Non-adaptive rooting is also known as--------- routing
(a) Static
(b) Dynamic
(c) Both (a) and (b)
(d) None of the above

16. The default subnet mask for a class 'B' network is :
(a) 255.0.0.0
(b) 255.255.0.0
(c) 255.255.255.0
(d) 255.255.255.555

17. Encription and decription are function of the ---------layer.
(a) Transport
(b) Session
(c) presentation
(d) Application

18. IPv6 has ------- bit address.
(a) 32
(b) 64
(c) 128
(d) variable

19.When a host on network A sends a message to host on network B which address does the router look at ?
(a) Port
(b) IP
(c) Physical
(d) None of the above

20. ICMPv6 includes
(a) IGMP
(b) ARP
(c) RARP
(d) Both (a) and (b)

21. Identify the class of the following IP address 4.5.6.7 :
(a) Class A
(b) Class B
(c) Class C
(d) Class D

22. The loopback address is used to send a packet from the ----- to---------.
(a) Host; all other host
(b) Router; all other host
(c) Host; a specific host
(d) Host;itself

23. FTP is a protocol of---------layer of TCP/IP protocol suit.
(a) Application layer
(b) Transport layer
(c) Network layer
(d) Physical and data link layer

24. The------ layer changes bits into electromagnet signals.
(a) Physical
(b) Data link
(c) Network
(d) Transport

25. Switches work at --------layer.
(a) Application
(b) Data link
(c) Physical
(d) Network

26. Frame relay operates in the :
(a) Physical layer
(b) data link
(c) Physical and data link layer
(d) None of the above

27. PPP is a---------- layer protocol.
(a) Physical
(b) data link
(c) Physical and data link
(d) Seven

28. The -------is an IGMP message.
(a) Query message
(b) membership report
(c) Leave report
(d) All of the above

29. ---------- is the most widely used local area network protocol :
(a) Token ring
(b) Token bus
(c) Ethernet
(d) None of the above

30. 10 base 2 is notation of -------- network
(a) Star topology
(b) Token ring
(c) Bus using thick cable
(d) bus using thin coxial cable

31. In cyclic redudancy checking,what is CRC ?
(a) Dividend
(b) Divisor
(c) Quotient
(d) Remainder

32. The OSi model sonsists of ----layers.
(a) 3
(b) 7
(c) 5
(d) 8

33. Bandwidth is measured in-----------.
(a) Kilobytes per second
(b) Megabytes per second
(c) Hertz
(d) Bytes per second

34. TCP uses----flow control mechanism
(a) Stop and go
(b) Sliding window
(c) Wait for ack
(d) Dynamic

35. Which of the following is an alication layer service ?
(a) Mail services
(b) Remote log-in
(c) FTAM
(d) All of the above

36. The data unit in the transport layer of TCP/IP suit is called :
(a) Datagram
(b) Segment
(c) Message
(d) frame

37. FDDI is an acronym of :
(a) Fast data delivery interface
(b) Fiber distributed data interface
(c) Fiber distributed digital interface
(d) Fast distributed data interface

38. ------------ does support fragmentation at routers:
(a) IPOv4
(b) IPv6
(c) Both (a) and (b)
(d) IPng

39. ARQ stands for :
(a) Automatic repeat request
(b) Automatic retransmission request
(c) Automatic repeat quantization
(d) Acknowledge repeat request

40. Satellite to ground communication takes place through :
(a) Medium wave
(b) Short wave
(c) Microwave
(d) Optical signals


PART-II DESCRIPTIVE
Maximum marks :30
Attempt any four descriptive type of questions out of six. All questions carry 7.5 marks each


1. What do you mean by network architecture ? Explain varoys Topologies.

2. What do you mean by OSI model ? Describe its various layers in details.

3.
(a) Differentiate between Physical and Internet address.
(b) Explain TCP and UDP.

4. What is an inter-network ? Name different internet-
working devices.How do routers select the pathway for any transmission ?


5. Differentiate between Token Ring and FDDI protocol. Which is better for
LAN needing data transmission at high speed ? Why ?

6. Write notes on the following :
(i) TCP and UDp
(ii) ALOHA and CSMA/CD
(iii) LLC and MAC


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I hope you will understand it well.