Ericsson Associate Engineer Interview Questions, Process, and Tips for Experienced

Q1. Telecom basics- 2G, 3G, 4G, Networking
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Q2. Architecture of 2G, 3G, 4G
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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. 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
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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. 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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