Mobily Infotech Technical Lead Interview Questions and Answers

Q1. How mpls ping works
Ans. 
MPLS ping is a tool used to test connectivity between two MPLS-enabled devices by sending ICMP echo requests.
• MPLS ping works by encapsulating ICMP echo requests within MPLS packets.

• It uses the MPLS label stack to route the packets through the network.

• The receiving device responds with an ICMP echo reply, allowing the sender to verify connectivity.

• MPLS ping is commonly used for troubleshooting MPLS networks and verifyin
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Q2. Why mpls is required
Ans. 
MPLS is required for efficient and reliable data packet forwarding in complex networks.
• MPLS allows for traffic engineering, prioritization, and quality of service in networks.

• It provides better performance and reliability compared to traditional IP routing.

• MPLS is essential for connecting multiple locations in a secure and efficient manner.

• It simplifies network management and troubleshooting by creating virtual paths f
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Aptitude, questions were asked in the interview

Q1. C++ data structurea python
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Q1. C++,STL, OOPS , technical oops question
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Q1. C++ , STL, multithreading, coding
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Managerial scenario how you handled

Q1. Salary negotiation
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Leetcode question top 75

Q1. What is Dhcp server .plase explain
Ans. 
DHCP server is a network server that automatically assigns IP addresses and other network configuration settings to devices on a network.
• DHCP stands for Dynamic Host Configuration Protocol.

• It eliminates the need for manual IP address configuration on each device.

• DHCP server leases IP addresses to devices for a specific period of time.

• It also provides other network configuration information like subnet mask, default gat...read more
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Q2. What is l3 layer protocal
Ans. 
Layer 3 protocol is responsible for routing and forwarding data packets in a network.
• Layer 3 protocol operates at the network layer of the OSI model.

• It includes protocols like IP (Internet Protocol) and ICMP (Internet Control Message Protocol).

• Layer 3 protocols use logical addressing to route packets between different networks.

• They determine the best path for data packets to reach their destination.

• Examples of Layer 3
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40 mins of coding test

Q1. Coding test on understanding of the basic collections in java
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Q2. Design a small module that handles the requests and responses in java.
Ans. 
Design a module in Java to handle requests and responses.
• Create a class to handle incoming requests and process them

• Use interfaces to define request and response structures

• Implement methods to handle different types of requests

• Use libraries like Spring MVC for handling HTTP requests
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Q1. Managerial questions on how to handle people, project and other automation stuff.
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Q1. Usual HR questions.
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Python scripting automation testing telecom domain real word usecases

Q1. Technical questions python programming language
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Q2. Wrong the framework
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Basic mathematics and coding MCQ questions

Q1. Degree courses related questions like OS, DBMS and networking.
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Q2. Focused towards projects
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