Citrix interview questions
Online test → Technical → Technical → Managerial·85% entry level
CS fundamentals
Showing 40 of 123 reported in this area
What is a primary key in DBMS?
Write an SQL query to find the maximum salary from an employee table
Explain the Banker's Algorithm.
What is the Reader-Writer problem?
How does AsyncTask work in Android?
Explain the memory structure in C++.
How do you overcome a deadlock state?
How does multithreading work in Java?
How can deadlock be prevented and avoided?
What happens when we kill a child process?
What are volatile and synchronized in Java?
Write code for the Producer-Consumer problem.
How would you implement an STL map internally?
Explain how TCP ensures reliable data transfer.
Explain inter-process communication mechanisms.
Explain different process scheduling algorithms.
What are the types of inheritance in JavaScript?
What is a trie data structure? Where is it used?
Technical aptitude questions involving C pointers.
Explain the complete working of the Unix ls command.
Explain the working of ping and traceroute commands.
Explain segmentation and paging in operating systems.
Explain the concept of thrashing in operating systems.
Answer questions related to Operating Systems concepts.
Explain AVL trees and Red-Black trees and compare them.
Explain the Producer-Consumer problem and its solution.
What happens when you enter a website URL in a browser?
What happens when you type www.google.com in a browser?
Explain Word2Vec and how words can be compared using it.
How does an Android application connect to a web server?
What is the size of an empty class object in C++ and why?
Explain different types of joins and normalization in DBMS.
Name different protocols at each layer in Computer Networks.
Explain inheritance, the this pointer, and other OOP concepts.
Explain collisions in hashing and how collisions can be avoided.
Difference between spinlock and semaphore and when to prefer each.
What is a context switch and where are processes stored during it?
What is the difference between multiprogramming and multithreading?
What are system calls? Explain fork() and exec() and how they differ.
How do client and server processes communicate in a distributed system?
DSA
Showing 9 of 89 reported in this area
Reverse a singly linked list
Detect a cycle in an undirected graph.
Implement an LRU cache given function prototypes.
Check whether a given IP address is valid or not (IPv4)
Reverse words in a given string without using extra space.
Given a 2D array, find the maximum sum contiguous subarray.
Find the maximum of all subarrays of size k in a given array.
Implement Depth First Search (DFS) with and without recursion.
Find the maximum contiguous subarray sum with an additional constraint.
Puzzles
Showing 3 of 17 reported in this area
Solve the equation yx × 7 = zxx and find the digits x, y, and z.
Measure exactly 6 liters of water using 4-liter and 9-liter buckets.
Prove that the number between two twin prime numbers is always divisible by 6.
System design
Showing 3 of 8 reported in this area
Explain load balancing and how it is used in distributed systems.
Given n cores, allocate a random available port (from 65535 ports) to a core requesting a port.
How would you test an ATM machine from a technical perspective before putting it into production?
Behavioural
Showing 3 of 7 reported in this area
What would you do if you had a different opinion from that of your team leader?
Describe past difficulties you faced while working in a team and how you handled them.
How would you convince a team member if you are confident that your idea is better than theirs?
Aptitude
2 questions reported in this area
A race track has 2 equal laps. To win, a driver must average 80 km/h overall. If the first lap is driven at 40 km/h, what speed is required in the second lap?
Given two nested loop snippets that both result in 10,000 iterations, which one is more efficient and why?
Showing 60 of 217 questions. Ranked by how often the same question came back across reports.
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What questions does Citrix ask?
Candidate interview reports most often cover CS fundamentals (50%) and DSA (36%).
How many rounds does Citrix interview have?
Candidate interview reports show an average of 3.8 rounds per experience, with a typical sequence of Online test → Technical → Technical → Managerial. Individual interview paths can vary.
Is the Citrix interview hard?
Among questions with a reported difficulty, the mix is easy 37%, medium 57%, hard 6%.