Mjunction Services Technical Support Executive Interview Questions and Answers

Q1. What are the Features of Java 8, and where you are using it in your current project?
Ans. 
Java 8 features include lambda expressions, functional interfaces, streams, and default methods.
• Lambda expressions allow you to write code in a more concise and readable way.

• Functional interfaces enable the use of lambda expressions.

• Streams provide a way to work with collections of objects in a functional style.

• Default methods allow interfaces to have method implementations.

• Examples: Using lambda expressions to iterate...read more
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Q2. Map vs flat map, Function vs Predicate
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Map applies a function to each element in a collection, while flatMap applies a function that returns a collection and flattens the result. Function is used to transform input into output, Predicate is used to test a condition.
• Map transforms each element in a collection using a function

• FlatMap transforms each element in a collection using a function that returns a collection and flattens the result

• Function is used to t...read more
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Q3. Find the sum of even numbers from a list using stream API
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Use stream API to find sum of even numbers from a list
• Use filter to get only even numbers

• Use mapToInt to convert stream to IntStream

• Use sum() to get the sum of even numbers
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Q1. Design Principles and Explanation of Liskov's substitution principle.
Ans. 
Liskov's substitution principle states that objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness.
• Subtypes must be substitutable for their base types

• Derived classes should be able to extend the functionality of base classes without changing their behavior

• Violating this principle can lead to unexpected behavior and errors in the program
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Q2. A case when switch-case will break any design principal.
Ans. 
Switch-case can break the Open/Closed Principle by requiring modification of existing code for new cases.
• Switch-case statements violate the Open/Closed Principle, which states that classes should be open for extension but closed for modification.

• Adding a new case to a switch statement requires modifying the existing code, violating the principle of not modifying existing code.

• Instead of using switch-case, consider usin...read more
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Q3. Different kinds of DB joins.
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Different kinds of DB joins include inner join, outer join, left join, and right join.
• Inner join: Returns rows when there is at least one match in both tables.

• Outer join: Returns all rows when there is a match in one of the tables.

• Left join: Returns all rows from the left table and the matched rows from the right table.

• Right join: Returns all rows from the right table and the matched rows from the left table.
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General questions , maths ,GI, basic networking

Q1. What is DHCP and it's Process ?
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DHCP stands for Dynamic Host Configuration Protocol. It is a network protocol that automatically assigns IP addresses to devices.
• DHCP is used to manage and allocate IP addresses in a network.

• The DHCP process involves four steps: Discover, Offer, Request, and Acknowledge.

• When a device connects to a network, it sends a DHCP Discover message to find a DHCP server.

• The DHCP server responds with a DHCP Offer message, providi...read more
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Q2. What is DNS , WDS, ADDS ?
Ans. 
DNS is a system that translates domain names into IP addresses. WDS is a service that deploys Windows images. ADDS is a service that manages users and computers in a Windows domain.
• DNS stands for Domain Name System and is responsible for translating domain names into IP addresses.

• WDS stands for Windows Deployment Services and is used to deploy Windows operating system images to computers over a network.

• ADDS stands for ...read more
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Q1. English Conversation test
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Q1. About the coding and resume questions
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Q1. Bond and salary package
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All about profit, percentages,desicion making, English grammar etc

Q1. Questions about C ,C++,Java
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Q2. Simple basic questions
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Q3. Basic questions of C,C++,Java
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Q1. About my self and asked Narrate A Story
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Q1. What is DHCP, DORA, DNS, WDS,DR,NetApp?
Ans. 
DHCP is a network protocol that assigns IP addresses to devices, DORA is the process DHCP uses to assign addresses, DNS resolves domain names to IP addresses, WDS is a Windows Deployment Services used for network-based installation of Windows operating systems, DR stands for Disaster Recovery, and NetApp is a storage and data management company.
• DHCP assigns IP addresses to devices on a network

• DORA stands for Discover, ...read more
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Q2. What is VPN and how many types of VPN ??
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VPN stands for Virtual Private Network. There are mainly two types of VPN - Remote Access VPN and Site-to-Site VPN.
• VPN stands for Virtual Private Network, which allows users to securely access a private network over a public network.

• Remote Access VPN is used by individual users to connect to a private network remotely.

• Site-to-Site VPN is used to connect multiple networks together, such as connecting branch offices to a...read more
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Q3. How to configure Outlook?
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Configuring Outlook involves setting up email accounts, calendars, and other preferences.
• Open Outlook and click on 'File'

• Click on 'Add Account' to set up a new email account

• Configure server settings, username, and password

• Set up email signature, rules, and other preferences

• Add calendars and contacts for synchronization
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Q4. How to configure printer?
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To configure a printer, you need to connect it to the network, install drivers, set up printer preferences, and test the connection.
• Connect the printer to the network using either a wired or wireless connection.

• Install the necessary printer drivers on the computer or device from which you want to print.

• Set up printer preferences such as paper size, print quality, and default settings.

• Test the printer connection by prin
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Q1. Tell me something about your self?
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Q1. OOP Concept, Design Patterns, Optimisation
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Q1. Salary Discussion
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