Cognizant Network Engineer Interview Questions and Answers

It is online test. In this test there is question of apti and also coding and from 5g question.

There are two questions asked and time is enough to solve 60 minutes

Q1. Wap for palindrome number
Ans. 
A palindrome number is a number that remains the same when its digits are reversed.
• Convert the number to a string

• Reverse the string

• Check if the reversed string is equal to the original string
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Q2. Add two numbers by function
Ans. 
Create a function to add two numbers
• Define a function that takes two parameters as input

• Inside the function, add the two numbers together and return the result

• Example: function addNumbers(num1, num2) { return num1 + num2; }
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Q3. Write a code for Binary search
Ans. 
Binary search code implementation in Python
• Define a function that takes a sorted array and a target value as input

• Initialize two pointers, low and high, to the start and end of the array respectively

• While low is less than or equal to high, calculate mid as (low + high) // 2 and compare array[mid] with target

• If array[mid] is equal to target, return mid

• If array[mid] is less than target, update low to mid + 1

• If array[mid]...read more
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Q4. Wap for check your name is palindrome not
Ans. 
A program to check if a given name is a palindrome or not.
• Convert the name to lowercase to handle case-insensitivity

• Remove any spaces or special characters from the name

• Reverse the name and compare it with the original name to check for palindrome
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Q5. What is malloc and calloc function
Ans. 
malloc and calloc are functions in C programming used for dynamic memory allocation.
• malloc function is used to allocate a single block of memory of a specified size.

• calloc function is used to allocate multiple blocks of memory of a specified size, initialized to zero.

• Example: int *ptr = (int*)malloc(5 * sizeof(int));

• Example: int *ptr = (int*)calloc(5, sizeof(int));
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Q1. What is Virtual LAN?
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Q2. Difference between L2 &L3 switch?
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Q1. CCNA SWITCHING and switching
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Q2. Routing
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Q1. Manager round CCNA routing and switching
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I would like simple test

Q1. I would like to lisen the words of company maganement .. And the process of company rules and regulations ..
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Q2. I will occupy the group of my team to secrue the entire the company to first stage
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Q3. I want to.Get a job inMahindra
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Q4. I didn't learn the computertyping but will learn definitely.. in tech Mahindr company basics
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Q5. I am a student degree first year.. ButI would like work in techMahindra..
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Q1. Share you internship exp
Ans. 
I interned at a telecommunications company where I gained hands-on experience in configuring network devices and troubleshooting network issues.
• Configured routers and switches to optimize network performance

• Assisted in setting up VLANs and implementing security protocols

• Troubleshooted network connectivity issues for end users

• Participated in network infrastructure upgrades and maintenance
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Q2. All question based on the resume only
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Q3. Prepare whatever written in your resume
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Q1. What is LSA7 ?
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Q2. What is Area in ospf?
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Q1. What is hsrp,vrrp
Ans. 
HSRP (Hot Standby Router Protocol) and VRRP (Virtual Router Redundancy Protocol) are network protocols used for providing high availability in routing.
• HSRP and VRRP are used to provide redundancy for routers in a network.

• They allow for automatic failover in case of a router failure.

• HSRP is a Cisco proprietary protocol, while VRRP is an open standard protocol.

• Both protocols use a virtual IP address that clients use as t...read more
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Normal aptitude group discussion assignment case study

Coding test assignment one on one round

Q1. Technical vs no tech
Ans. 
Technical skills are essential for a Network Engineer, but soft skills are also important for effective communication and teamwork.
• Technical skills are necessary for configuring and troubleshooting network devices.

• Soft skills like communication, teamwork, and problem-solving are crucial for working effectively with colleagues and clients.

• Balancing technical expertise with interpersonal skills is key to success in the r...read more
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Q2. Dhcp vs dns gdp vs rdp frp vs 30nd
Ans. 
DHCP is a protocol used to assign IP addresses dynamically to devices on a network, while DNS is a system that translates domain names to IP addresses.
• DHCP assigns IP addresses to devices on a network dynamically

• DNS translates domain names to IP addresses

• RDP (Remote Desktop Protocol) allows users to remotely connect to a computer

• FRP (Fiberglass Reinforced Plastic) is a material used in construction

• 30nd does not seem to
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