Bharti Airtel Associate Engineer Interview Questions and Answers

Q1. What you learn in your last year of graduation?
Ans. 
In my last year of graduation, I learned advanced topics in my field of study, completed a capstone project, and gained practical experience through internships.
• Studied advanced courses related to my major

• Completed a capstone project demonstrating my knowledge and skills

• Gained practical experience through internships or co-op programs

• Participated in research projects or thesis work

• Attended seminars, workshops, and conf
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Q2. Tell about Computer languages?
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Computer languages are used to communicate instructions to computers, allowing programmers to create software and applications.
• Computer languages are used to write code that tells computers what to do.

• There are different types of computer languages, such as high-level languages like Python and Java, and low-level languages like Assembly.

• Each language has its own syntax and rules for writing code.

• Some languages are more...read more
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Q1. Explain concept of OOP
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Q1. Telecom basics- 2G, 3G, 4G, Networking
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Q2. Architecture of 2G, 3G, 4G
Ans. 
2G is based on GSM technology, 3G on UMTS/WCDMA, and 4G on LTE technology.
• 2G (Second Generation) uses GSM technology for digital cellular networks.

• 3G (Third Generation) uses UMTS/WCDMA technology for faster data transmission.

• 4G (Fourth Generation) uses LTE technology for even faster data speeds.

• Each generation offers improvements in speed, capacity, and efficiency.

• 5G is the latest generation, offering even faster speed
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Q3. Call flow of 4G
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4G call flow involves multiple steps like network registration, authentication, connection setup, data transfer, and release.
• User equipment (UE) connects to the base station (eNodeB)

• UE sends a connection request to the eNodeB

• eNodeB forwards the request to the Mobility Management Entity (MME)

• MME authenticates the UE and assigns it an IP address

• Data transfer occurs between the UE and the eNodeB

• Upon completion, the connec
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Q4. 5G Architecture and it's functions
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5G architecture is a network design that allows for faster data speeds, lower latency, and increased capacity.
• 5G architecture includes three main components: user equipment (UE), radio access network (RAN), and core network.

• UE connects to the RAN through wireless links, which then connects to the core network.

• The core network manages the flow of data between the UE and external networks, such as the internet.

• 5G archite...read more
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Math, Reasoning, English

Q1. Salary discussion
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Q1. Deep knowledge of routing and switching configuration and troubleshooting as well
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Q2. What is floating routing and how we can configure it
Ans. 
Floating routing is a technique used to route traffic between two networks without a direct physical connection.
• It involves creating a virtual interface on each network and configuring them to communicate with each other.

• This can be done using protocols such as GRE or IPsec.

• Floating routing can be useful in scenarios where a direct physical connection is not possible or desirable, such as connecting two data centers.

• Co...read more
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Q3. What is reverse lookup
Ans. 
Reverse lookup is the process of finding the hostname associated with a given IP address.
• It is commonly used in network troubleshooting.

• It can be performed using the 'nslookup' command in the command prompt.

• Reverse lookup is the opposite of forward lookup, which finds the IP address associated with a given hostname.
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Q4. How to tshoot when you are not going to ping?
Ans. 
Use alternative network troubleshooting methods like traceroute, netstat, nslookup, and checking firewall rules.
• Use traceroute to identify the path taken by packets and locate any network issues.

• Use netstat to check for open ports and connections.

• Use nslookup to verify DNS resolution.

• Check firewall rules to ensure they are not blocking traffic.

• Use packet capture tools like Wireshark to analyze network traffic.

• Check sys...read more
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Q1. Normal interview for associate engineer very easy
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Q2. Basic linux commands Previous company work related
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Q3. Explain linux File in brief
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Linux File is a data structure used to store information on a computer system.
• Linux files are organized in a hierarchical structure starting from the root directory (/)

• Each file is identified by a unique name within its directory

• Files can be of different types such as regular files, directories, symbolic links, etc.

• Permissions are set for each file to control access by users and groups
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Q4. What commands you use in your previous company
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Q5. What is the use of VI editor & how
Ans. 
VI editor is a text editor used in Unix-like operating systems for editing files.
• VI editor is used for creating, editing, and viewing text files.

• It is a command-line based editor with different modes like command mode, insert mode, and visual mode.

• Commands are used to navigate, search, replace, and perform other editing tasks.

• For example, to open a file in VI editor, you would type 'vi filename' in the terminal.

• To save...read more
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Q1. Interview , 1 ,they will take from any one reference means no questions direct place ment ( offrole) 2 you should worked in under their team as a vendor Field engineer then only your team member will co...read more
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Q2. Only discussion
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Q3. Where you worked before
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Q1. General Linux commands
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Q1. About personal life and experience.
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Q1. Salary discussion and date of joining
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