Showing posts with label questions. Show all posts
Showing posts with label questions. Show all posts

Sunday, 17 February 2013

UGC NET Previous Year Questions


June 2008 and December 2007

26. The ATM cells ------ byte long
(a) 48 (b) 53 (c) 64 (d) 69

27. For slotted ALOHA maximum channel utilization is
(a) 100% (b) 50% (c) 36% (d)18%

28. For channel of 3 kHz bandwidth ands signal to noise ratio of  30db the maximum data rate is
(a) 3000bps (b) 6000bps (c) 15000bps (d) 30000bps

29. An example of public key encryption algorithm is
(a)    Ceaser cipher algorithm (b) DES algorithm (c) AES algorithm (d) knapsak algorithm

30. With reference to hierarchical routing the optimum number of levels for an m router subnet is
(a) m^2  (b) m (c) ln m (d) square root of m

UGC NET Sample Questions Networks and communications

June 2012
11. X.25 is ________ Network.
(A) Connection Oriented Network
(B) Connection less Network
(C) Either Connection Oriented or Connection Less
(D) Neither Connection Oriented nor Connection Less
Answer: A

29. Which of the following IP address class is a multicast address?
(A) Class A (B) Class B
(C) Class C (D) Class D
Answer: D

41. Which layer of OSI reference model uses the ICMP (Internet Control Message Protocol)?
(A) Transport layer
(B) Data link layer
(C) Network layer
(D) Application layer
Answer: C

54. What is the size (in terms of bits) of Header length field in IPV4 header?
(A) 2 (B) 4
(C) 8 (D) 16
Answer: B

Thursday, 10 January 2013

Network and communication sample questions

Sample Questons

June 2012

11. X.25 is ________ Network.
(A) Connection Oriented Network
(B) Connection Less Network
(C) Either Connection Oriented or
Connection Less
(D) Neither Connection Oriented nor
Connection Less
Answer: A

june 2008

26. The ATM cells ------ byte long
(a)48 (b)53 (c) 64 (d)69

Answer: b
1. Which of the following network acess standard is used for connecting station to a packet switched network?
A. X.3  B. X.21  C. X.25  D. X.75

Answer: C

2. How many layers covered in X.25 standards?
a.3   b.4  c.2 d.7

Answer: A

3. RS-232 RS-449 RS-530  V-24 and X-21 are examples of
a. Standard for various type of transmission channels 
b. standards for interface between terminals and modems  
c. methods for error detection and correction 
d. Standard for end to end performance of data communication system

Tuesday, 8 January 2013

UGC NET Sample Questions

UGC NET Computer science June 2012

13.  Which layer of OSI reference model uses the ICMP (Internet Control Message Protocol)?
(A) Transport layer
(B) Data link layer
(C) Network layer
(D) Application layer

Answer: C

14.  Decryption and encryption of data are the responsibility of which of the following layer?
(A) Physical layer
(B) Data Link layer
(C) Presentation layer
(D) Session layer

Answer: c

UGC JUNE 2010

1. End-to-End connectivity is provided from Last-to-Last in
(A) Network layer (B) Session layer
(C) Transport layer (D) Data link layer
Answer: C


Thursday, 3 January 2013

UGC net Economics paper 2 answer key


 ECONOMICS PAPER2 ANSWER KEY  UGC NET DECEMBER 2012 

(Unofficial ,NOT FINAL) comment please


1 A
2 A
3 C
4 D
5 C
6 B
7 D
8 C
9 C
10 B
11 A
12 C
13 B
14 C
15 A
16 C
17 C
18 C
19 A
20 B

Monday, 31 December 2012

The word "communication" is derived from the Latin words

UGC NET DECEMBER 2012 FIRST PAPER QUESTION


The word communication is derived from the Latin word two words ‘communis’ (noun) and ‘communicare’ (verb) which means commonality and to make common respectively. From the viewpoint of etymological depth, communication refers to sharing of something. Something means information or knowledge or meaning. Therefore, here communication is the process of sharing information, knowledge or meaning.(communication and media journalism, Adhikary‟s book)


You can get answer key for first paper UGC net December 2012 exam from here




Calinsock Active-X Control

Calinsock Active-X Control Question from UGC net December 2012 

Which provides an interface to the TCP/IP suit protocols in Windows 95 and Windows NT?
(A)FTP Active-X Control
(b) TCP/IP Active-X Control
(c)Calinsock Active-X Control
(d) HTML Active-X Control

You can get answer key for first paper UGC net December 2012 exam from here


You can get answer key for COMPUTER SCIENCE  paper III UGC net December 2012 exam from here



Please paste your answer of above question as a comment

Net December 2012 answer key computer science 35

In win32 which function is used to create windows applications?
A) Win APP
B) Win API
C) Win Main
D) Win void

answer is (c) win main

Net December 2012 answer key computer science 20

A program P calls 2 subprograms P1 and P2. If P1 can fail 50% of the times and P2, 40% of the times, P can fail (a) 50% b)60% c)10% d)70%
answer is d)70% 

Net December 2012 answer key computer science 3


UGC NET DECEMBER 2012 COMPUTER SCIENCE ANSWER KEY FOR SOME QUESTIONS FROM SECOND PAPER


The GSM network is divided into the following 3 major systems:
A)SS,BSS,OSS
B)BSS,BSC,MSC
C)CELL,BSC,OSS
D)SS,CELL,MSC

answer is :A) SS, BSS, OSS

Net December 2012 answer key computer science 4


UGC NET DECEMBER 2012 COMPUTER SCIENCE ANSWER KEY fOR SOME QUESTIONS FROM SECOND PAPER


The power set of the set {∅} is
a){∅}
b){∅,{∅}}
c){0}
d){0,∅,{∅}}

answer is (b)

Net December 2012 answer key first paper 30


UGC NET first paper  ANSWER KEY FOR SOME QUESTIONS DECEMBER 2012


Protocol used by e-mail clients to download e-mails to your own computer 
a)tcp
b)ftp
c)smtp
d) pop

answer is d)pop

UGC NET PAPER 1 ANSWER KEY

UGC NET PAPER 1 ANSWER KEY December 2012 (UNOFFICIAL)


ANSWER KEYS: 
1- Nagoya Protocol – D 
2- Second most important energy source – C 
3- Earthquakes – A
4- Human Development Index – C
5- Highest number of college students – B
6- Attorney General – A
7- Prefix to be discontinued from presidents name – C
8- Financial Emergency – D
9- Match the following (MNERGA, Indira Awas Yojana etc) – A
10- Efficient and durable learning – D
11- Classroom communication – B
12- Best method of teaching – D
13- Interaction inside classroom – C
14- Spare the rod… – C
15- Type of communication in classroom – C
16- Quality of research – A
17- Research ethics – A
18- Probability based sampling method – D
19- APA – A
20- Arrange research steps in correct sequence – B
21- Identify incorrect statement (hypothesis) –D
22- RC-popular view – B
23- RC-average annual increase – A
24- RC-reality of urbanization- A
25- RC-not considered an indicator for urban quality of life – A
26- Author has tried to focus on – C
27- Author intends to state – D
28- Communication derived from – A

Sunday, 30 December 2012

Net December 2012 answer key computer science 36


UGC NET DECEMBER 2012 COMPUTER SCIENCE ANSWER KEY FOR SOME QUESTIONS from second paper


In UNIX which of the following command is used to set the task priority?
a)init
b)nice
c)skill
d)PS

answer is b)nice

Net December 2012 answer key computer science 20


UGC NET DECEMBER 2012 COMPUTER SCIENCE ANSWER KEY FOR SOME QUESTIONS from SECOND paper


The problem of indefinite blockage of low priority jobs in general priority scheduling algorithm can be solved using
a)parity bit
b)Aging
c)compaction
d)
timer

answer is b)aging

Net December 2012 answer key computer science 16


UGC NET DECEMBER 2012 COMPUTER SCIENCE ANSWER KEY FOR SOME QUESTIONS from second paper


In which tree for every node the height of its left subtree and right subtree differ almost by one?
a)binary search tree
b)AVL tree
c)threaded binary tree
d) complete binary tree

answer is b

Net December 2012 answer key computer science


UGC NET DECEMBER 2012 COMPUTER SCIENCE ANSWER KEY FOR SOME QUESTIONS from second paper


If a packet arrive with an M-bit value is '1' and a fragmentation offset value '0' then it is ----- fragment

a)first
b)middle
c)last
d) all of the above

answer is a)first

Net December 2012 answer key computer science 5


UGC NET DECEMBER 2012 COMPUTER SCIENCE ANSWER KEY FOR SOME QUESTIONS from second paper


If the disc head is located initially at 32, find the number of disk moves required with FCFS if the disc queue of I/O blocks requests are 98,37,14,124,65,67

a) 239
b)310
c)321
d)325

answer is c)321

Net December 2012 answer key computer science 5


UGC NET DECEMBER 2012 COMPUTER SCIENCE ANSWER KEY FOR SOME QUESTIONS


process of extracting previously non known valid and actionable information from large data to make crucial business and strategic decisions
a)Data management
b)data base
c) data mining
d) meta data

answer is c

Net December 2012 answer key

UGC net December  2012 answer key for computer science third paper 

(unofficial, not final) comment please
1    B  
2     B
3     A
4     B
5     C
6    A
7    D
8   D
9    D
10   C
11   A
12   D
13   C