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I applied via Approached by Company and was interviewed before Jun 2022. There were 3 interview rounds.
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I applied via Referral and was interviewed in Nov 2021. There were 2 interview rounds.
HO stands for Handover. It is a process of transferring an ongoing call or data session from one cell to another.
There are two types of HO: Intra-cell HO and Inter-cell HO
Intra-cell HO occurs when a mobile device moves from one channel to another within the same cell
Inter-cell HO occurs when a mobile device moves from one cell to another
Events in HO include HO Request, HO Access, HO Required, HO Command, and HO Complet
MCR stands for Maximum Cell Rate. It is the maximum rate at which cells can be transmitted through a network.
MCR is an important parameter in ATM (Asynchronous Transfer Mode) networks.
It is used to ensure that the network does not become congested.
MCR is determined by the network operator and is based on the capacity of the network.
Improving MCR can be done by increasing the capacity of the network or by optimizing the...
CQI stands for Channel Quality Indicator and MCS stands for Modulation and Coding Scheme.
CQI is a feedback mechanism used in wireless communication systems to indicate the quality of the channel.
MCS is a technique used to modulate and encode data for transmission over a wireless channel.
CQI and MCS are used together to optimize the transmission rate and quality of wireless communication.
Higher CQI values indicate bette...
Volte call flow is the process of establishing and maintaining a voice call over a 4G LTE network.
The call is initiated by the user and sent to the LTE network
The network sends a SIP invite message to the called party
The called party responds with a SIP 180 ringing message
Once the call is answered, the network sends a SIP 200 OK message
The voice call is established and maintained over the LTE network
Cell throughput refers to the amount of data transmitted by a cell, while user throughput is the amount of data received by a user.
Cell throughput is the total amount of data transmitted by a cell, including data sent to all users within the cell.
User throughput is the amount of data received by a single user within the cell.
Cell throughput is affected by factors such as the number of users, signal strength, and availa...
CA stands for Carrier Aggregation. It is a technology used in LTE networks to combine multiple frequency bands for higher data rates.
CA allows for faster data speeds by combining multiple frequency bands.
There are two types of CA: intra-band and inter-band.
Intra-band CA combines multiple carriers within the same frequency band.
Inter-band CA combines carriers from different frequency bands.
CA can be used in different co...
Interference is the unwanted signal that affects the quality of the desired signal.
Interference can be caused by external sources such as other wireless devices, power lines, or natural phenomena like lightning.
It can also be caused by internal sources such as reflections, multipath, or co-channel interference.
Types of interference include thermal noise, crosstalk, adjacent channel interference, and intermodulation int...
SIB stands for System Information Block. It is a type of message used in wireless communication systems.
SIBs contain information about the network, such as cell identity, location area code, and frequency.
There are different types of SIBs, including SIB1, SIB2, SIB3, SIB4, SIB5, SIB6, SIB7, SIB8, SIB9, SIB10, SIB11, and SIB12.
SIB1 is the most important SIB, as it contains information about the cell identity, frequency,...
I applied via Recruitment Consulltant and was interviewed before Aug 2022. There were 3 interview rounds.
I applied via Approached by Company and was interviewed before May 2021. There were 3 interview rounds.
Hacker rank test was given. 30 mcq and 1 coding test. Test duration is 1 hour. Core java and spring boot questions were covered.
I applied via Approached by Company and was interviewed before Jun 2022. There was 1 interview round.
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...
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...
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...
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
I applied via Naukri.com and was interviewed in Jul 2022. There were 2 interview rounds.
I applied via Referral and was interviewed in May 2021. There were 3 interview rounds.
I applied via Company Website and was interviewed before Nov 2022. There were 3 interview rounds.
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
I applied via Approached by Company and was interviewed before Sep 2022. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Feb 2023. There were 3 interview rounds.
2 levels of interview asked on Java Spring boot
2 levels of interview asked on java spring
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