Avantel RF Engineer Interview Questions and Answers for Freshers

Q1. What kind of device are you working on?
Ans. 
I am currently working on designing and testing a 5G small cell device.
• Designing and testing a 5G small cell device

• Working on optimizing the device's performance

• Collaborating with cross-functional teams to ensure successful deployment

• Conducting field tests to evaluate the device's capabilities
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Q2. How much gain was there?
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Q1. Promises,async await,callback,api integration
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Q1. Performance optimization,usecallback,let const var
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Q1. About Role and Responsibilities
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Q2. Knowledge test on Resume
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Q1. Day to Day activities in previous Organisation
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Q2. Hypothical Questions
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Q1. Current CTC and take home
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Q2. Expected CTC and take home
Ans. 
Expected CTC and take home should be based on industry standards and the candidate's experience and skills.
• Expected CTC should be in line with industry standards for the position and the candidate's experience level.

• Take home pay should be calculated after deductions like taxes and insurance.

• Candidates can research average salaries for similar roles in the industry to get an idea of what to expect.

• Negotiation is common...read more
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Q1. Lte architecture and ip based questions
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Q1. Lte architecture, ip based
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Q1. Lte architecture and ip
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Q1. What is region for job change and salary expectations
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Q1. Ask salary expectations
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Q2. Salary Discussion and relocation process
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Q3. Dacumentation and onbording
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Q1. Alarm troublesooting otn
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Q2. OTN fundamental troubleshooting.
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Q1. Regarding working profile
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Q1. Personal details
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Hacker rank test was given. 30 mcq and 1 coding test. Test duration is 1 hour. Core java and spring boot questions were covered.

Q1. Core Java, spring annotations, hashmap internal working, exception handling, working of rest controller, Java 8 features, code using streams api, multithreading concepts
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Q1. Microservice architecture, working of spring Mvc, communications between microservice, actuator, swagger, why microservice is implemented, spring vs spring boot, design patterns used, questions related to ...read more
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Q1. What is vrrp and harp and how it functions?
Ans. 
VRRP (Virtual Router Redundancy Protocol) and HARP (High Availability Redundancy Protocol) are protocols used for providing redundancy in network routing.
• VRRP is used to provide a virtual IP address that multiple routers can share, ensuring high availability in case of router failure.

• HARP is a proprietary protocol developed by Cisco that also provides redundancy by allowing multiple routers to share a virtual IP addres...read more
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Q2. What is router and firewall and state difference?
Ans. 
A router is a networking device that forwards data packets between computer networks, while a firewall is a security system that monitors and controls incoming and outgoing network traffic.
• Router directs traffic between different networks based on IP addresses.

• Firewall filters network traffic based on predetermined security rules.

• Routers operate at layer 3 (network layer) of the OSI model, while firewalls operate at la...read more
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Q3. What is dwdm and it's components?
Ans. 
DWDM stands for Dense Wavelength Division Multiplexing, a technology used in fiber optic communications.
• DWDM is a technology that allows multiple data signals to be transmitted simultaneously over a single fiber optic cable.

• Components of DWDM include lasers, multiplexers, demultiplexers, optical amplifiers, and dispersion compensators.

• DWDM systems use different wavelengths of light to carry multiple data streams, incre...read more
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Q4. Osi reference model explanation?
Ans. 
The OSI reference model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers.
• The OSI model stands for Open Systems Interconnection model.

• It helps in understanding how different networking protocols work together.

• Each layer has specific functions and communicates with adjacent layers.

• Examples of layers include physical layer, data link layer, net
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