Teleysia Networks RF Optimization Engineer Interview Questions and Answers for Experienced

Q1. WHAT IS QCI ? explain QCI7 !
Ans. 
QCI stands for QoS Class Identifier, a parameter used in LTE networks to differentiate between different levels of service quality. QCI7 is used for Internet of Things (IoT) applications.
• QCI stands for QoS Class Identifier in LTE networks

• It is used to differentiate between different levels of service quality

• QCI7 specifically is used for Internet of Things (IoT) applications
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Q2. What is MME Drop and eNodeB Drop in LTE ?
Ans. 
MME Drop and eNodeB Drop in LTE refer to the loss of connection between the mobile device and the network due to various reasons.
• MME Drop refers to the loss of connection between the mobile device and the Mobility Management Entity (MME) in LTE network.

• eNodeB Drop refers to the loss of connection between the mobile device and the eNodeB (base station) in LTE network.

• These drops can occur due to factors such as poor sig...read more
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Q1. RADIO FREQUENCY optimization
Ans. 
RF optimization involves improving the performance of wireless communication systems by adjusting various parameters.
• RF optimization is done to improve network coverage, capacity, and quality.

• It involves adjusting parameters such as transmit power, antenna tilt, and frequency allocation.

• The goal is to minimize interference and maximize signal strength.

• Tools such as drive tests, network analyzers, and simulation softwar...read more
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Q2. Base transreciver station
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Q3. 4g projects and u900 and l900 project
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Q1. Backup process flow,
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Q2. Backup port no for SQL
Ans. 
The backup port number for SQL is 1433.
• The default backup port number for SQL is 1433.

• This port number can be changed during installation or configuration.

• It is important to ensure that the backup port is open and accessible for backup and restore operations.
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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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Sdwan, osi layer tcp ,udp,ip addressing,

Q1. SDWAN, ip addressing ,subnetting, osi modle
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2 levels of interview asked on Java Spring boot

2 levels of interview asked on java spring

Q1. Basic concepts of VOIP and trunk configuration. Need to know ongoing voip trends in the market. Teams is budding platform and would be great to have Skype for business background
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Q1. Why do you want to join Tata?
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Q1. BGP MPLS QOS OSPF
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Q2. Work profile in last company
Ans. 
I worked as a Senior Engineer in my previous company.
• Led a team of engineers in developing and implementing new software solutions

• Collaborated with cross-functional teams to ensure project success

• Designed and implemented scalable and efficient code

• Participated in code reviews and provided constructive feedback

• Mentored junior engineers and facilitated their professional growth
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Q1. Salary discussion for role
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