ZTE Corporation RAN Specialist Interview Questions and Answers

Written aptitude test

Q1. What are Logic gates and what are universal gate
Ans. 
Logic gates are basic building blocks of digital circuits that perform logical operations. Universal gates can be used to implement any other gate.
• Logic gates are electronic devices that perform logical operations on one or more binary inputs to produce a single binary output.

• There are different types of logic gates such as AND, OR, NOT, NAND, NOR, XOR, and XNOR.

• Universal gates, like NAND and NOR gates, can be used to ...read more
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Q2. SQL query for creating a table
Ans. 
Creating a table using SQL query
• Use CREATE TABLE statement

• Specify table name and column names along with data types

• Add any constraints like primary key or foreign key if needed
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Q3. Why radio cells are hexagonal in shape
Ans. 
Radio cells are hexagonal in shape because it allows for efficient coverage with minimal overlap and interference.
• Hexagonal shape provides equal distance between each cell edge, ensuring uniform coverage.

• Minimizes interference by reducing overlapping areas between cells.

• Easier to plan and optimize network layout compared to other shapes like squares or circles.
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Q4. Various Linux commands
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Q5. OSI model and it's uses
Ans. 
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
• The OSI model helps in understanding how data is transmitted over a network.

• Each layer in the OSI model performs specific functions and communicates with the adjacent layers.

• Examples of OSI model layers include physical layer, data link layer, network layer, transport layer, session layer
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Q1. College name and project details
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Q2. Terms of employment
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Q1. VAS , Linux , call flows, monitoring, SQL
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Q1. Call flows, Linux , past experience related questions,
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