UGC NET Computer Science

Online submission of application : 16 March to 16 April 2020

Admit card Available

What is the correct subnet mask to use for a class-B address to support 30 Networks and also have the most hosts possible ? (A) 255.255.255.0        (B) 255.255.192.0 (C) 255.255.240.0        (D) 255.255.248.0 Answer: D

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Correct answer:B

Match the following with respect to the mobile computing technologies : List-I                                       List-II a. GPRS                        i. An integrated digital radio standard b. GSM                          ii.3G wireless/Mobile technology c. UMTS                                    iii. Nine different schemes for modulation and error correction d. EDGE                        iv. An emerging wireless service that offers a mobile data       a   b   c   d (A) iii  iv   ii    i (B) iv   i   ii    iii (C) ii   iii  iv   i (D) ii   i   iv   iii

How many distinct stages are there in DES algorithm, which is parameterized by a 56-bit key ? (A) 16     (B) 17 (C) 18     (D) 19 Answer: D

   Which of the following algorithms is not a broadcast routing algorithm ? (A) Flooding                             (B) Multidestination routing (C) Reverse path forwarding             (D) All of the above Answer: D

   In a classful addressing, first four bits in Class A IP address is (A) 1010            (B) 1100 (C) 1011            (D) 1110 Answer: A

 A full binary tree with n leaves contains (A) n nodes                   (B) log2 n nodes (C) 2n –1 nodes           (D) 2n nodes Answer: C

Correct ans: Architecture

The software ................. of a program or a computing system is the structure or structures of the system, which comprise software components, the externally visible properties of those components, and the relationships among them public poll Architecture – 241 👍👍👍👍👍👍👍 55% Design – 125 👍👍👍👍 28% Process – 42 👍 10% Requirement – 33 👍 7% 👥 441 people voted so far.

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