Technical Knowledge Assessment

Which data structure uses LIFO (Last In First Out) principle?

• Linked List

• Stack

• Array

• Queue

What is the time complexity of binary search in a sorted array?

• O(log n)

• O(1)

• O(n log n)

• O(n)

Which SQL command is used to retrieve data from a database?

• FETCH

• GET

• SELECT

• RETRIEVE

What is the primary purpose of version control systems in software development?

• To automate the testing of software applications.

• To track changes and manage versions of code in software development.

• To provide a user interface for coding.

• To enhance the speed of code execution.

Which layer of the OSI model is responsible for routing?

• Transport layer

• Data link layer

• Application layer

• Network layer

What does CPU stand for?

• Central Processing Unit

• Central Processing Core

• Central Processing Module

• Computer Processing Unit

In C, what does POP stand for in the context of data structures?

• Enqueue

• Peek

• Push

• Pop

Which of the following is a non-relational database?

• MySQL

• SQLite

• MongoDB

• PostgreSQL

What is the worst-case time complexity of quicksort?

• O(n^2)

• O(n)

• O(log n)

• O(n log n)

Which protocol is used to send emails?

• FTP

• SMTP

• POP3

• IMAP