Freelancer.com System Engineer Interview Questions and Answers

Basic aptitude questions were asked in this round

Q1. What is database
Ans. 
A database is a structured collection of data that is organized and managed to provide efficient retrieval and storage.
• A database is a software system that stores and manages data.

• It provides a way to organize and structure data for easy retrieval and manipulation.

• Databases can be relational, object-oriented, or hierarchical.

• Examples of databases include MySQL, Oracle, and MongoDB.
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Q2. What is quick sort
Ans. 
Quick sort is a sorting algorithm that uses a divide-and-conquer approach to sort an array of elements.
• It selects a pivot element and partitions the array into two sub-arrays, one with elements smaller than the pivot and the other with elements greater than the pivot.

• The process is repeated recursively on the sub-arrays until the entire array is sorted.

• It has an average time complexity of O(n log n) and is widely used
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Q1. What is your current location
Ans. 
I am currently located in New York City.
• New York City

• USA

• East Coast

• Manhattan
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Q1. How to troubleshooting desktop and laptop
Ans. 
To troubleshoot desktop and laptop, start with identifying the problem, check hardware and software, and use diagnostic tools.
• Identify the problem by asking questions and observing the symptoms

• Check hardware components such as power supply, RAM, hard drive, and motherboard

• Check software components such as drivers, operating system, and applications

• Use diagnostic tools such as system information, event viewer, and task ...read more
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Q2. How to using remote control another said
Ans. 
Remote control can be achieved through various software tools like TeamViewer, Remote Desktop Connection, VNC, etc.
• Install remote control software on both systems

• Connect both systems through the software using IP address or hostname

• Authenticate the connection using login credentials

• Control the remote system from the local system

• Terminate the connection after use
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Q3. How to configuration printer
Ans. 
Printer configuration involves connecting the printer to the computer and installing the necessary drivers.
• Connect the printer to the computer using a USB cable or through a network connection

• Install the printer drivers from the manufacturer's website or using the installation CD

• Configure the printer settings such as paper size, print quality, and default printer

• Test the printer by printing a test page or document
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Coding test was easy and simple.

Q1. Easy technical interview for 2 round
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Q1. Technical questions depends on the domain
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Q1. Technical questions depends on the domain
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Medium level aptitude questions

Q1. Concepts of oops java
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Q2. Basic understanding of sql
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Q1. What is Log 4j
Ans. 
Log4j is a popular logging library for Java applications.
• Log4j is used for logging messages in Java applications.

• It provides various logging levels such as DEBUG, INFO, WARN, ERROR, and FATAL.

• Developers can configure log output format, destination, and filtering rules.

• Example: log.debug("Debug message");
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Q2. What is bucket in splunk
Ans. 
In Splunk, a bucket is a directory containing events that match a specific time range.
• Buckets are used to store indexed data in Splunk.

• There are three types of buckets: hot, warm, and cold.

• Hot buckets contain the most recent data, warm buckets contain older data, and cold buckets contain the oldest data.

• Buckets are rotated based on time or size, and can be moved between different storage tiers.

• Splunk manages buckets au
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Question were from math, reasoning,and coding mcqs

Q1. This was technical cum HR round where I have been asked basics of C and Java interview questions with some basic sql and database questions
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