SSC IMD Scientific Assistant 2026 Full-Length Master Mock Test-1 ⋆ CSE Study247

SSC IMD Scientific Assistant 2026 Full-Length Master Mock Test-1

Questions 181-185 of 200

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Question 181

MCQ · Single Correct 1 mark

[Q.81] What is the height of a balanced binary tree with N nodes?

A $O(N^2)$ B O(1) C O(N) D O(log N)

Question 182

MCQ · Single Correct 1 mark

[Q.82] Which component of DBMS manages active transactions and enforces transaction durability after system crashes?

A Buffer Manager B Data Dictionary C Recovery Manager / Log Manager D Query Optimizer

Question 183

MCQ · Single Correct 1 mark

[Q.83] In C++, a destructor function name starts with which character?

A Exclamation (!) B Asterisk (*) C Ampersand (&) D Tilde (~)

Question 184

MCQ · Single Correct 1 mark

[Q.84] What is the purpose of the Ping command in computer networks?

A Modifies IP routing tables B Tests reachability and round-trip time to a network host using ICMP C Resolves domain names D Downloads files via FTP

Question 185

MCQ · Single Correct 1 mark

[Q.85] What is 'Belady's Anomaly'?

A Database lock contention causes deadlock B Cache memory hit rate drops with larger cache size C CPU clock speed decreases under load D Page fault rate increases when allocated memory frames increase in FIFO