Home / Company interviews / Cognizant · Updated August 2026

Cognizant interview questions and practice

giveinterview has mock interviews built from 1 Cognizant job post since August 2026, 1 of them still open. Each practice interview runs the loop below: a 10-minute voice screen, then 2 rounds (coding, then behavioral). The topics that come up most are C, Data structures, GDB, IPC, Linux. 45 coding questions are known to come up in Cognizant interviews (28 easy, 15 medium, 2 hard), 9 of them in the last six months. The most common topics are Array, Two Pointers, Database, String.

Practice interviews built from public job posts and question lists. Each open post links to the original so you can apply on Cognizant’s own site; Cognizant does not run, see or review your practice.

Start a full Cognizant mock interview →Add Cognizant to my plan Or one question first · 2 min

1Job posts to practise

1Posts still open

3Steps in a practice loop

100 minTypical total length

How the Cognizant practice interview runs

The most common loop across the mock interviews built from Cognizant job posts.

ScreenVoice screen10 min
Round 1Coding45 min
Round 2Behavioral45 min

What Cognizant interviews cover

Skills and topics, with the number of Cognizant job posts that list each one.

C1
Data structures1
GDB1
IPC1
Linux1
Multiprocessing1
Multithreading1
Socket programming1
Unix1
Version Control1

Coding questions Cognizant asks

From public company-tagged interview question lists. Most recent and most frequent first.

Easy 28Medium 15Hard 2

Array20
Two Pointers10
Database10
String9
Hash Table8
Math7
Sorting7
Dynamic Programming6
Divide and Conquer3
Memoization2
Prefix Sum2
Binary Search2

Question	Difficulty	Asked recently
Palindrome Number	Easy	Yes
Two Sum	Easy	Yes
Longest Substring Without Repeating Characters	Medium	Yes
Move Zeroes	Easy	Yes
Valid Palindrome	Easy	Yes
Find Total Time Spent by Each Employee	Easy	Yes
Rotting Oranges	Medium	Yes
Rank Scores	Medium	Yes
Find the Index of the First Occurrence in a String	Easy	Yes
Smallest Value of the Rearranged Number	Medium	No
Longest Palindromic Substring	Medium	No
Fibonacci Number	Easy	No
Second Highest Salary	Medium	No
Valid Anagram	Easy	No
Best Time to Buy and Sell Stock	Easy	No
Merge Sorted Array	Easy	No
Valid Parentheses	Easy	No
Subarray Sum Equals K	Medium	No
Median of Two Sorted Arrays	Hard	No
Replace Employee ID With The Unique Identifier	Easy	No
Article Views I	Easy	No
Product Sales Analysis I	Easy	No
Max Consecutive Ones	Easy	No
Combine Two Tables	Easy	No
Majority Element	Easy	No

Cognizant job posts you can practise for

Open a post to practise its interview and get the link to apply on Cognizant’s site.

Role	Where	Steps	Job post
Software Engineer	On-site · Mumbai Metropolitan Region	3	Open	Practise Add to plan

Questions about Cognizant interviews

How many rounds are in a Cognizant interview?

The mock interviews built from Cognizant job posts usually run a 10-minute voice screen, then 2 rounds (coding, then behavioral), about 100 minutes in all.

What topics do Cognizant interviews cover?

The ones that come up most are C, Data structures, GDB, IPC, Linux.

What coding questions does Cognizant ask?

45 questions are tagged to Cognizant in public interview lists: 28 easy, 15 medium and 2 hard. The most asked include Palindrome Number, Two Sum, Longest Substring Without Repeating Characters.

How do I practise a Cognizant interview?

Answer a 2-minute question for free, then take a mock interview with an AI interviewer, voice and live coding. You get a review that marks the exact line that cost you. The screen and Round 1 of your first role interview are free.

Practise a Cognizant interview before it counts.

Talk it through while you code, and get a review that marks the exact line that cost you. Free to start.

Start a full Cognizant mock interview →Add Cognizant to my plan