Efftronics Systems Technical Support Engineer Interview Questions and Answers

It was aptitude and technical MCQ questions round

Q1. Technical interview- regarding skills mentioned in resume and projects
Add your answer
Q2. In same round hr interview was done
Add your answer

Q1. Salary expectation .
Add your answer
Q2. Why should I hire you?
Add your answer

Q1. Mendix Advanced questions.
Add your answer
Q2. Everything which you mentioned in your resume.
Add your answer

Round duration - 30. minutes
Round difficulty - Easy

It was in the evening, question were moderate

Q1. 
Count Subsequences Problem Statement
Given an integer array ARR of size N, your task is to find the total number of subsequences in which all elements are equal.
Explanation:
A subsequence of an array i...read more
Ans. 
Count the total number of subsequences in which all elements are equal in an integer array.
• Iterate through the array and count the frequency of each element.

• Calculate the total number of subsequences for each element using the formula (frequency * (frequency + 1) / 2).

• Sum up the total number of subsequences for all elements and return the result modulo 10^9 + 7.
Answered by AI
Add your answer

Round duration - 30 minutes
Round difficulty - Easy

It was in the night around 9:00 PM.

Q1. 
Pair Sum Problem Statement
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Note:
...read more
Ans. 
Given an array and a target sum, find all pairs of elements that add up to the target sum.
• Iterate through the array and for each element, check if the complement (target sum - current element) exists in a hash set.

• If the complement exists, add the pair to the result list.

• Sort the pairs based on the first element and then the second element.

• Return the list of pairs as the final result.
Answered by AI
Add your answer

Q1. How many layers in OSI Model?
Ans. 
There are 7 layers in the OSI Model.
• The OSI Model stands for Open Systems Interconnection Model.

• It is a conceptual framework used to understand network communication.

• The 7 layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and protocols associated with it.

• For example, HTTP operates at the Application layer, while TCP operates at the Transport la
Answered by AI
Add your answer
Q2. What is the color coding of RJ45 connector?
Ans. 
The color coding of RJ45 connector is used to identify the purpose of each wire in the cable.
• The color coding for RJ45 connector follows the T568A or T568B standard.

• In T568A, the color coding is white-green, green, white-orange, blue, white-blue, orange, white-brown, brown.

• In T568B, the color coding is white-orange, orange, white-green, blue, white-blue, green, white-brown, brown.

• The color coding helps ensure that the ...read more
Answered by AI
Add your answer

Q1. Self introduction?
Add your answer
Q2. Previous jobs?
Ans. 
I have worked as a Desktop Support Engineer for XYZ Company for 2 years.
• Provided technical support to end users for hardware and software issues

• Installed and configured operating systems and software applications

• Troubleshooted network connectivity problems

• Managed user accounts and permissions

• Performed hardware upgrades and repairs
Answered by AI
Add your answer

Q1. DeltaV dcs , control strategies, graphics, project execution
Add your answer

Process knowledge, Logic development

Q1. Salary, industry awareness
Add your answer

Q1. Why do want to work with us
Add your answer
Q2. What u see in urself for 5 years
Add your answer

Q1. About the ups & battery
Add your answer
Q2. Ups and battery service and commissioning
Add your answer