Matalloy Company Interview Questions and Answers

Q1. What is the Entity-Relationship (ER) model?
Ans. 
The Entity-Relationship (ER) model is a data model used to describe the relationships between entities in a database.
• Entities are objects or concepts in the real world that can be distinguished from each other.

• Relationships describe how entities are related to each other.

• Attributes are properties that describe entities and relationships.

• ER diagrams visually represent the ER model, showing entities, relationships, and a...read more
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Q2. What are the advantages of using threads compared to processes?
Ans. 
Threads are lighter weight than processes, share memory space, and are more efficient for multitasking.
• Threads share the same memory space, making communication between them faster and more efficient.

• Threads are lighter weight than processes, as they share resources such as memory and file descriptors.

• Threads are more efficient for multitasking, as they can run concurrently within the same process.

• Threads are easier to...read more
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Google primarily focuses on pure data structures and algorithms-based questions during coding interviews. Other computer science core topics are typically not covered in Google's interviews. Therefore, it is essential to be proficient in data structures and algorithms to succeed in the Google coding interview.

An aptitude test is a tool used to evaluate a person's skills, abilities, and potential for success in a specific role or activity.

Group discussion is a process of exchanging ideas and opinions among individuals on a specific topic. It is a structured form of communication in which participants have the opportunity to express their views while also listening to others' perspectives on the same subject.

Q1. What are your strengths and weaknesses?
Ans. 
My strengths include problem-solving skills and attention to detail. My weaknesses include time management and public speaking.
• Strengths: problem-solving skills

• Strengths: attention to detail

• Weaknesses: time management

• Weaknesses: public speaking
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Q2. What reasons can you provide for why we should consider hiring you?
Ans. 
I have a strong foundation in web development, a passion for learning, and a proven track record of delivering high-quality projects.
• I have a solid understanding of HTML, CSS, and JavaScript

• I am proficient in using various web development tools and frameworks such as React and Node.js

• I have successfully completed several web development projects, including a responsive e-commerce website for a local business
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An assignment is a task or piece of work that you are given to complete, particularly as part of your job or studies. The assignment for the course includes written assignments and practical tests, similar to tasks, work, jobs, or charges.

A case study is a detailed description and assessment of a specific situation in the real world, created for the purpose of deriving generalized insights and understanding. It can focus on an individual, a group of people, an organization, or an event, among other subjects.

Q1. What do you consider your greatest accomplishment?
Ans. 
My greatest accomplishment was successfully leading a team to launch a new website for a major client ahead of schedule.
• Successfully led a team to launch a new website

• Completed the project ahead of schedule

• Received positive feedback from the client
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Q2. What factors motivate you in your professional life?
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I am motivated by challenges, learning opportunities, and the ability to make a positive impact.
• Challenges push me to grow and improve my skills.

• Learning opportunities allow me to stay updated with the latest technologies and trends.

• Making a positive impact through my work gives me a sense of fulfillment and purpose.
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Q1. What does your ideal work environment look like?
Ans. 
My ideal work environment is a collaborative space with supportive colleagues, opportunities for growth, and a healthy work-life balance.
• Collaborative team environment where ideas are shared and valued

• Supportive colleagues who are willing to help and provide feedback

• Opportunities for growth and learning new technologies

• Healthy work-life balance with flexible hours and remote work options
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Q2. How would you impact employee retention?
Ans. 
By creating a positive work environment, offering growth opportunities, and implementing employee recognition programs.
• Creating a positive work environment through open communication and support

• Offering growth opportunities such as training programs and career advancement

• Implementing employee recognition programs to acknowledge and reward hard work

• Providing competitive salaries and benefits to attract and retain top ta
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Q1. What are real-time operating systems?
Ans. 
Real-time operating systems are designed to provide predictable response times and prioritize tasks based on timing constraints.
• Real-time operating systems prioritize tasks based on timing constraints

• They are designed to provide predictable response times

• Examples include VxWorks, QNX, and FreeRTOS
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Q2. Are the applicants first asked several questions regarding data structures and algorithms?
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Q1. What topics are typically discussed during the final round of interviews, particularly regarding salary expectations, working hours, and other job requirements?
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Q2. Are you comfortable working night shifts, considering that many roles at Genpact support international clients?
Ans. 
Yes, I am comfortable working night shifts to support international clients.
• I have previous experience working night shifts in a customer service role.

• I am a night owl and tend to be more productive during late hours.

• I understand the importance of supporting international clients and am willing to adjust my schedule accordingly.
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Q1. A process associate is crucial in ensuring the smooth operation of various business processes across different industries
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Q2. What are the operational tasks necessary to maintain efficiency and quality?
Ans. 
Operational tasks for maintaining efficiency and quality include regular testing, monitoring performance, updating software, and implementing best practices.
• Regularly test website functionality to ensure it is working properly

• Monitor website performance metrics such as load times and user experience

• Update software and plugins to the latest versions to prevent security vulnerabilities

• Implement best practices for coding,
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Q1. How can you prepare examples demonstrating your leadership, conflict resolution, and prioritization skills to excel in a managerial round interview?
Ans. 
Prepare examples showcasing leadership, conflict resolution, and prioritization skills for a managerial round interview.
• Leadership: Discuss a project where you led a team to success, highlighting your ability to motivate and guide others.

• Conflict Resolution: Share a situation where you successfully resolved a conflict within a team or project, emphasizing your communication and problem-solving skills.

• Prioritization: Ta...read more
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Q2. How do you demonstrate adaptability, leadership, and a commitment to fostering a positive work environment?
Ans. 
I demonstrate adaptability, leadership, and commitment by actively seeking feedback, taking on new challenges, and fostering collaboration within the team.
• Seek feedback from colleagues and supervisors to continuously improve

• Volunteer for new projects or tasks to expand skills and knowledge

• Encourage open communication and teamwork among team members

• Lead by example by showing a positive attitude and willingness to help o...read more
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Q1. Azure cloud platform tech
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Q2. Informatica tech stack ques
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Q1. Adf tech stack que
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Q2. Scd type 2 implementation
Ans. 
SCD Type 2 implementation involves tracking historical changes in data by creating new records for each change.
• Identify the columns that need to be tracked for changes

• Add effective start and end dates to track the validity of each record

• Insert new records for changes and update end dates for previous records

• Maintain a surrogate key to uniquely identify each version of the record
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Q1. Dw related que ans
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Q2. Solution design related que
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Q1. Aspiration from my end
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Q2. How soon can join
Ans. 
I can join the team within 2 weeks.
• I can start within 2 weeks of receiving the offer.

• I need to give notice to my current employer.

• I may need to relocate, which could affect my start date.
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For example, a ₹10 LPA CTC could mean an in-hand salary of ₹70,000–₹75,000 per month, depending on deductions and benefits.

✨ 𝗣𝗿𝗼 𝗧𝗶𝗽: Always request a detailed salary structure during negotiations—it’s your roadmap to making informed decisions

𝗖𝗧𝗖 𝘃𝘀 𝗜𝗻-𝗛𝗮𝗻𝗱 𝗦𝗮𝗹𝗮𝗿𝘆: 𝗧𝗵𝗲 𝗥𝗲𝗮𝗹𝗶𝘁𝘆 𝗖𝗵𝗲𝗰𝗸 𝗘𝘃𝗲𝗿𝘆 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗡𝗲𝗲𝗱𝘀!

We’ve all been there—excitedly discussing job offers and hearing about the impressive CTC (Cost to Company). But when payday arrives, you wonder

Q1. 2️⃣ 𝗜𝗻-𝗛𝗮𝗻𝗱 𝗦𝗮𝗹𝗮𝗿𝘆: This is the actual amount you take home after deductions like: • Employee’s contribution to PF • Income tax (TDS) • Professional tax
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Q2. 𝗖𝗧𝗖 𝘃𝘀 𝗜𝗻-𝗛𝗮𝗻𝗱 𝗦𝗮𝗹𝗮𝗿𝘆: 𝗧𝗵𝗲 𝗥𝗲𝗮𝗹𝗶𝘁𝘆 𝗖𝗵𝗲𝗰𝗸 𝗘𝘃𝗲𝗿𝘆 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗡𝗲𝗲𝗱𝘀! We’ve all been there—excitedly discussing job offers and hearing about the impressi...read more
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Q1. What are custom hooks in React, and what are their use cases? Additionally, can you provide an example of a custom hook that performs an API call and utilizes the retrieved data?
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Q2. What is the difference between useMemo and useCallback in React?
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Q3. What is the difference between class-based components and functional components in React?
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Q4. How can you implement the lifecycle of a React component in a functional component?
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Q5. What are the various state management techniques available in React?
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Q6. What is the architecture of Redux, and what purposes do middlewares serve within it?
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Q7. What is hoisting in JavaScript?
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Q8. What is event bubbling in JavaScript?
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Q9. What are block scope and function scope in JavaScript?
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Q10. Have you had experience working with semantic tags in HTML?
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Q11. What are the various methods for creating an object in JavaScript?
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Q12. What are the differences between shallow copy and deep copy in JavaScript?
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Q13. What will be the output of the following JavaScript code fragment: `const a; function test() { console.log(a); }; test();`?
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Q14. How can you use CSS to arrange elements in a row and column layout?
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Q15. Have you utilized CSS preprocessors, and if so, which ones?
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Q16. If I have assigned different colors to an ID and a class and applied both to the same element, which color will be applied based on CSS specificity precedence?
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The assessment focused on general aptitude, which was relatively easy and manageable to pass. However, the pseudo-code section may pose a greater challenge during the first round.

It is very easy; you just need to speak at least once to easily pass through this round. mostly they dont try to reject you unless you are very nervous and very low about confidence they want you to speak atleast once , even the point is valid or not.

You will undergo a written test comprising three coding sections (either in Python or C) containing five or six questions each, along with ten multiple-choice questions on software testing, which are relatively easy. However, the most challenging section is networking, for which you will need to write theory responses; therefore, it is important to prepare thoroughly for that part.

Q1. They first asked for self-introduction and then asked you to explain the programs that were assigned to you in a step-by-step manner.
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Q2. Then the major part is networking, if you gone through by successfully explains your coding then you will be completely checked with networking which is really tough, like they asked me that to tell port n...read more
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Q1. Actually there is HR done in my process , whoever cleared technical all were selected. But the issue is the there is no stipend for internship , and the role is embedded testing which was told only in the ...read more
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Q1. What is split horison? How can we resolve it?
Ans. 
Split horizon is a technique used in computer networking to prevent routing loops by not advertising routes back to the same interface they were learned from.
• Split horizon is used in distance-vector routing protocols like RIP to prevent routing loops.

• It works by not advertising routes back to the same interface they were learned from.

• Split horizon with poison reverse takes this a step further by advertising the route w...read more
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Q2. What is BGP? How BGP works?
Ans. 
BGP stands for Border Gateway Protocol, used to exchange routing information between different networks.
• BGP is an exterior gateway protocol used to make routing decisions on the internet.

• It operates by exchanging routing information between different autonomous systems (AS).

• BGP uses TCP port 179 for communication.

• BGP routers maintain a table of IP prefixes and their paths to reach them.

• BGP can be configured to influenc...read more
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Q3. What are the type of BGP and their AD value?
Ans. 
There are two types of BGP: eBGP and iBGP. eBGP has an AD value of 20, while iBGP has an AD value of 200.
• eBGP (External BGP) - AD value: 20

• iBGP (Internal BGP) - AD value: 200
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Q4. What is routing protocol? What are the types of routing protocol?
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Routing protocol is a set of rules used by routers to determine the best path for data packets to travel.
• Routing protocols help routers communicate with each other to dynamically update routing tables.

• Types of routing protocols include distance-vector (e.g. RIP), link-state (e.g. OSPF), and hybrid (e.g. EIGRP).

• Distance-vector protocols determine the best path based on hop count.

• Link-state protocols use a more complex a...read more
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Q5. What is ospf?
Ans. 
OSPF (Open Shortest Path First) is a routing protocol used to determine the best path for data packets in a network.
• OSPF is a link-state routing protocol

• It uses Dijkstra's algorithm to calculate the shortest path

• OSPF routers exchange link-state advertisements (LSAs) to build a topology map

• It supports VLSM (Variable Length Subnet Masking) and CIDR (Classless Inter-Domain Routing)

• OSPF divides the network into areas to re
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Q6. How do we prevent loop avoidance in BGP?
Ans. 
Preventing loop avoidance in BGP involves using loop prevention mechanisms like AS Path and Route Reflectors.
• Use AS Path attribute to prevent loops by tracking the path a route has taken through AS numbers.

• Implement Route Reflectors to avoid loops in BGP by controlling the route propagation within a cluster.

• Utilize BGP Confederations to divide the network into smaller autonomous systems to prevent loops.

• Regularly monit...read more
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Q7. What is OSI model? What are the layers of OSI model?
Ans. 
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
• The OSI model stands for Open Systems Interconnection model.

• It helps in understanding how data is transferred from one computer to another over a network.

• The seven layers of OSI model are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has speci...read more
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Q8. How does tracerout works?
Ans. 
Traceroute is a network diagnostic tool used to track the path packets take from one networked device to another.
• Traceroute sends packets with increasing TTL values to determine the path to a destination.

• Each router along the path sends back an ICMP Time Exceeded message, allowing traceroute to map the route.

• The final destination sends an ICMP Port Unreachable message, indicating the end of the route.

• Traceroute helps i...read more
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Q9. If we see "*****" in tracerout, what it means?
Ans. 
The presence of '*****' in a traceroute indicates that the router is blocking the ICMP packets used by traceroute.
• The '*****' indicates that the router is not responding to the ICMP packets sent by the traceroute tool.

• This could be due to the router being configured to block ICMP traffic for security reasons.

• It can also be caused by a firewall or network filtering rules blocking the ICMP packets.

• In some cases, the '***...read more
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Q10. What are the states in BGP?
Ans. 
BGP states include Idle, Connect, Active, OpenSent, OpenConfirm, Established.
• Idle - Initial state when BGP is not yet established

• Connect - Attempting to establish a TCP connection

• Active - Waiting for a TCP connection to be completed

• OpenSent - Sent an Open message to peer

• OpenConfirm - Received an Open message and waiting for confirmation

• Established - BGP peers are fully established and can exchange routing information
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Q11. If there is a non tech guys on site to replace faulty router with new router, how do you configure the new router?
Ans. 
The new router can be configured remotely using a laptop or mobile device with access to the network.
• Access the router's web interface by entering its IP address in a web browser

• Login using default credentials or credentials provided by the company

• Configure basic settings such as SSID, password, and security settings

• Update firmware if necessary

• Test the connection to ensure it is working properly
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Q12. What are CE and PE routers?
Ans. 
CE and PE routers are types of routers used in MPLS networks. CE routers connect to customer networks while PE routers connect to provider networks.
• CE routers (Customer Edge) connect to customer networks and are responsible for exchanging routes with customer devices.

• PE routers (Provider Edge) connect to provider networks and are responsible for exchanging routes with other PE routers in the MPLS network.

• CE routers are...read more
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Q13. What is the command to assign an IP address on Juniper router interface?
Ans. 
The command to assign an IP address on a Juniper router interface is 'set interface <interface_name> unit <unit_number> family inet address <ip_address/mask>'
• Use the 'set' command to configure the interface

• Specify the interface name and unit number

• Use the 'family inet' statement to configure an IPv4 address

• Specify the IP address and subnet mask
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Q14. What are the parameters should match in BGP neighbourship?
Ans. 
Parameters for BGP neighbourship include AS number, IP address, subnet mask, and BGP version.
• AS number must match on both neighbors

• IP address must be reachable between neighbors

• Subnet mask should be the same on both neighbors

• BGP version should be compatible between neighbors
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Q15. What is tftp?
Ans. 
tftp stands for Trivial File Transfer Protocol, a simple protocol used for transferring files over a network.
• tftp is a lightweight protocol used for transferring files between devices on a network.

• It operates on UDP port 69.

• tftp does not require user authentication, making it less secure compared to FTP.

• It is commonly used for booting devices over a network, such as in diskless workstations or routers.

• An example of tft...read more
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Q1. What is loop avoidance mechanism in BGP?
Ans. 
Loop avoidance mechanism in BGP prevents routing loops by using loop prevention mechanisms like AS path attribute and route reflectors.
• BGP uses AS path attribute to prevent routing loops by not accepting routes with its own AS number in the path.

• Route reflectors are used in BGP to avoid loops in route propagation within a cluster of routers.

• BGP Confederations can also be used to prevent loops by dividing the AS into sm
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Q2. How tracerout works? What is source and destination IP?
Ans. 
Traceroute is a network diagnostic tool used to track the path packets take from source to destination IP.
• Traceroute sends packets with increasing TTL values to elicit ICMP Time Exceeded responses from routers along the path.

• The source IP is the IP address of the device initiating the traceroute, while the destination IP is the IP address of the target device.

• Traceroute displays the IP addresses of the routers in the p...read more
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Q3. What is public IP and private IP?
Ans. 
Public IP is the address assigned to a device that is directly accessible over the internet, while private IP is used within a private network.
• Public IP is unique and can be accessed from anywhere on the internet

• Private IP is used within a local network and is not directly accessible from the internet

• Public IP is assigned by the Internet Service Provider (ISP)

• Private IP addresses are typically in the ranges of 192.168.
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Q4. How can we configure and a router with support of non tech guy onsite?
Ans. 
To configure a router with support of a non tech guy onsite, provide step-by-step instructions and visual aids.
• Create a simple, easy-to-follow guide with step-by-step instructions.

• Use visual aids such as diagrams or videos to demonstrate the process.

• Provide clear explanations of each step and troubleshoot common issues.

• Offer remote support or a helpline for additional assistance if needed.
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Q5. What is firewall?
Ans. 
A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
• Acts as a barrier between a trusted internal network and untrusted external network

• Filters network traffic based on rules set by the administrator

• Can be hardware-based or software-based

• Examples include Cisco ASA, Palo Alto Networks, and Windows Firewall
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Q6. What are the difference between router and switch?
Ans. 
Routers connect multiple networks together while switches connect devices within a single network.
• Routers operate at the network layer (Layer 3) of the OSI model, while switches operate at the data link layer (Layer 2).

• Routers use IP addresses to forward data between networks, while switches use MAC addresses to forward data within a network.

• Routers can determine the best path for data to travel between networks, while...read more
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Q7. What is mpls?
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MPLS stands for Multiprotocol Label Switching, a technique used in telecommunications networks to direct data packets along predefined paths.
• MPLS is used to improve network performance and efficiency by quickly routing data packets based on labels instead of IP addresses.

• It allows for traffic engineering, quality of service (QoS) prioritization, and virtual private network (VPN) services.

• MPLS operates at layer 2.5 of t...read more
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Q8. How ftp and tftp works?
Ans. 
FTP and TFTP are protocols used for transferring files over a network.
• FTP (File Transfer Protocol) is a standard network protocol used to transfer files from one host to another over a TCP-based network, such as the internet.

• TFTP (Trivial File Transfer Protocol) is a simpler version of FTP that uses UDP instead of TCP for file transfer.

• FTP requires authentication (username and password) for access, while TFTP does not ...read more
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Q1. What improvements to interfaces were introduced in Java 8 that were missing in Java 7, specifically regarding static and default methods?
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Q2. Explain internal working of HashMap ? How to synchronize it ?
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Q3. Given a list of employees with their ratings, how can you sort the employees based on their ratings using the Java 8 Streaming API?
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Q4. Will the program compile if the parent class throws a runtime exception while the child class throws an arithmetic exception?
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Q5. In a Spring Boot application with two databases, how can you configure JDBC to specify which database to use?
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Q6. How to use a jetty server in your spring boot application ?
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Q7. Difference between @RequestParam and @PathVariable ?
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Q8. How would you handle a scenario where one microservice is awaiting a response from another microservice that is taking an extended time to respond?
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There are two main sections: foundation and advanced. The foundation section consists of three subsections: quantitative, reasoning, and verbal. If you pass the foundation section but do not clear the advanced section, you will be considered for either the ninja role or the digital role during the interview process. The advanced section includes advanced aptitude questions and two coding questions.

Q1. Can you provide an introduction about yourself?
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Q2. 3 to 4 questions based on database
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Q3. 2 easy coding questions
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Q4. Questions based on technology that I knew
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Q5. Situation based questions
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Q1. Tell me about yourself.
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Q2. What do you know about DITA XML, which tags have you used in your documents, what are keywords, and what is DITA mapping, have you ever created graphics or illustrations, types of DITA topics, benefits of ...read more
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Q3. What do you know of Agile Methodology and Scrum?
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Q4. What do you do in case of conflict with SMEs, have you worked with any global audience, what kind of documents have you created, how do you estimate time needed for your document.
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Q5. How do you receive input, what are DDLC and SDLC, what style guides have you used for creating documents, how do you ensure accuracy in your document.
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Q6. What is design thinking, have you ever communicated with developers, what do you do when you do not have enough information but the deadline is already near?
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Q7. Have you worked with any version control systems?
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