Author: web-admin
Hadoop 1 MCQs
Q.1 What should be the first step if a block of data is missing or corrupt in HDFS? A. Run fsck command to identify and fix B. Restart the NameNode C. Reformat the DataNode...
Internet of Things (IoT) MCQs
Q.1 What distinguishes Bluetooth Low Energy (BLE) from classic Bluetooth in the context of IoT? A. Higher data transfer speeds B. Longer range C. Lower power consumption D. Support for more simultaneous connections Q.2...
Java Programming MCQs
Q.1 Spot the mistake: int counter = 0; while(counter < 5){ counter++; } System.out.println(“Count: ” + counter); A. Loop never terminates B. Counter not incremented C. No error D. Print statement incorrect Q.2 Identify...
Java Script MCQs
Q.1 Identify the error in this function: function multiply(a, b) { console.log(a * b); } A. It does not return any value B. It returns the wrong value C. Syntax error D. No error...
