UGC NET PAPER 2 COMPUTER SCIENCE – SET 6
Period: DEC 2011
101. A hub is used in which network topology?
Data Communication and Computer Networks • Network Topologies • DEC 2011
102. Station forwards packets to shortest output queue: which routing?
Data Communication and Computer Networks • Routing Algorithms • DEC 2011
103. Which X. standard is for packet-switched network access?
Data Communication and Computer Networks • WAN Protocols • DEC 2011
104. Which of the following is a non-linear data structure?
Data Structures and Algorithms • Data Structures • DEC 2011
105. A hash table of size 75: probability of collision at 6% load ≈ __.
Data Structures and Algorithms • Hashing • DEC 2011
106. Total number of comparisons in bubble sort (worst case) is __.
Data Structures and Algorithms • Sorting Algorithms • DEC 2011
107. Postorder DEBFCA; what is the preorder?
Data Structures and Algorithms • Tree Traversals • DEC 2011
108. What deletes all file records except structure?
Databases • DML Commands • DEC 2011
109. Which command closes an alternate file?
Databases • File Handling • DEC 2011
110. After modifying DBF with 20 records, `? BOF()` prints __.
Databases • File Pointers • DEC 2011
111. B⁺-trees are preferred over binary trees because __.
Databases • Index Structures • DEC 2011
112. Data security threats include __.
Databases • Security & Threats • DEC 2011
113. SQL finds branches with assets > any branch in DELHI.
Databases • SQL Queries • DEC 2011
114. For Y = √(–2x + 3), domain and range are __.
Discrete Structures and Optimization • Functions & Relations • DEC 2011
115. Max edges in an n-node undirected graph (no self‐loops)?
Discrete Structures and Optimization • Graph Theory • DEC 2011
116. The uncertainty in a symbol system is called __.
Discrete Structures and Optimization • Information Theory • DEC 2011
117. Dijkstra’s banker's algorithm solves __.
Operating System • Concurrency Control • DEC 2011
118. On I/O interrupt, CPU __.
Operating System • Interrupt Handling • DEC 2011
119. Poisson(λ=20/hr), P(no requests in 45 min) = __.
Operating System • Performance Modeling • DEC 2011
120. Which is a poor example of efficient recursion?
Programming Languages • Recursion • DEC 2011
Disclaimer for MCQ Quiz
This quiz is for educational purposes only…