BT Group Analyst Interview Questions and Answers

Aptitude + coding test conducted by AMCAT

Q1. Technical question based on resume and DSA questions
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Q1. About nokia and 1 or 2 behavioral based question
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Q1. What are networking devices
Ans. 
Networking devices are hardware devices that facilitate communication and data transfer between different devices in a network.
• Networking devices include routers, switches, hubs, modems, and firewalls.

• Routers are used to connect multiple networks together and direct traffic between them.

• Switches are used to connect devices within a network and direct traffic between them.

• Hubs are used to connect multiple devices within...read more
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Q2. Few questions on OSI model
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Q3. Routing protocaols and their merits demerits
Ans. 
Routing protocols are used to determine the best path for data to travel between networks.
• There are two types of routing protocols: distance-vector and link-state.

• Distance-vector protocols are simpler but less efficient than link-state protocols.

• Examples of distance-vector protocols include RIP and IGRP.

• Examples of link-state protocols include OSPF and IS-IS.

• Routing protocols have different metrics to determine the bes...read more
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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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Q1. What is the Software Development Life Cycle (SDLC) and what does it encompass?
Ans. 
The Software Development Life Cycle (SDLC) is a structured process for developing software applications.
• 1. Requirement Analysis: Gathering and analyzing user needs, e.g., conducting surveys.

• 2. Planning: Defining project scope and resources, e.g., creating a project timeline.

• 3. Design: Creating architecture and design specifications, e.g., wireframes and UML diagrams.

• 4. Implementation: Writing and compiling code, e.g., ...read more
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Q2. What is a Java program that can be written to determine the frequency of characters in a given string?
Ans. 
A Java program can count character frequency in a string using a HashMap to store characters and their counts efficiently.
• Use a HashMap: Store each character as a key and its frequency as the value. Example: `HashMap<Character, Integer> frequencyMap = new HashMap<>();`

• Iterate through the string: Loop through each character in the string and update its count in the HashMap. Example: `for (char c : inputStrin...read more
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MCQs of Reasoning, Aptitude and English

2 coding questions from Data structures. Can solve using C, python, java....etc

Q1. Started with Introduction. Questions from OOPS, OS, Networks, resume and then coding.
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Q1. Introduction and projects
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Q1. Casual Interview and Location details.
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Aptitude, questions were asked in the interview

Q1. C++ data structurea python
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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 ...read more
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Q1. Knowledge of splicing machine and other splicing parameters
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Q2. Practical questions
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Q3. Your qualification
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Q4. Your experience
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Q5. Safety precautions
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