Nokia Networks Interview Questions and Answers

EWGB is not a known acronym or term in the field of FM BSS engineering.

• EWGB is not a commonly used term in the field of FM BSS engineering

• It is possible that the interviewer misspoke or meant to ask a different question

• It is important to clarify any unclear or unfamiliar terms in an interview setting

fzhn is not a known acronym or abbreviation in the field of FM BSS engineering.

• There is no known meaning or context for fzhn in FM BSS engineering.

• It is possible that the interviewer made a mistake or was testing the candidate's ability to handle unexpected questions.

• The candidate can politely ask for clarification or context if they are unsure how to answer.

MIMO stands for Multiple Input Multiple Output. It is a wireless communication technology that uses multiple antennas to improve signal quality.

• MIMO uses multiple antennas at both the transmitter and receiver to improve signal quality and increase data rates.

• It works by transmitting multiple data streams simultaneously over the same frequency band.

• MIMO is used in many wireless communication standards, including Wi-Fi, ...read more

fxjb is not a known acronym or term in the field of FM BSS engineering.

• There is no known definition or context for fxjb in FM BSS engineering.

• It is possible that the interviewer may have misspoken or meant to ask a different question.

• It is important to clarify any unclear or unfamiliar terms in an interview setting.

TSGb stands for Technical Specification Group on Base Station System and its responsible for developing standards for base station systems.

• TSGb is a group within the 3rd Generation Partnership Project (3GPP)

• It is responsible for developing standards for base station systems

• TSGb works on topics such as radio frequency, power consumption, and network architecture

• The standards developed by TSGb ensure interoperability bet...read more

tsdb stands for Time Series Database, used for storing and retrieving time series data.

• tsdb is optimized for handling large amounts of time-stamped data

• It allows for efficient querying and analysis of time series data

• Examples of tsdb include InfluxDB, OpenTSDB, and Prometheus

RSSI stands for Received Signal Strength Indicator and is a measurement of the power level of a received radio signal.

• RSSI is commonly used in wireless communication systems to determine the quality of the signal being received.

• It is usually measured in decibels (dB) and can be used to estimate the distance between the transmitter and receiver.

• A higher RSSI value indicates a stronger signal, while a lower value indicat...read more

SRAN stands for Single Radio Access Network, a technology used in mobile networks to combine multiple radio access technologies into a single network.

• SRAN allows for seamless handover between different radio access technologies, such as 2G, 3G, and 4G.

• It enables operators to optimize network resources and improve network efficiency.

• SRAN is a key component of Huawei's mobile network solutions.

• Examples of SRAN products i...read more

TDD stands for Test Driven Development. It is a software development process that relies on writing tests before writing the actual code.

• TDD involves writing a failing test case first, then writing the code to pass the test.

• It helps in ensuring that the code is working as expected and reduces the chances of bugs.

• TDD also helps in improving the design of the code and makes it more modular and maintainable.

• Functions are ...read more

FRGU module is responsible for generating frequency reference signals for base station equipment.

• FRGU stands for Frequency Reference Generator Unit.

• It generates frequency reference signals for base station equipment.

• It ensures that all the equipment in the base station is synchronized to the same frequency.

• FRGU module is an important component in ensuring the quality of the cellular network.

• Examples of FRGU modules inc...read more

The fxef module is responsible for handling the exchange of data between the BSS and the MSC.

• The fxef module is a key component in the BSS architecture.

• It is responsible for handling the exchange of data between the BSS and the MSC.

• It ensures that the data is properly formatted and transmitted between the two systems.

• Examples of data that may be exchanged include call setup and teardown messages, billing information, a...read more

A combiner is a device that combines multiple signals into a single output.

• Combiners are used in radio frequency (RF) systems to combine signals from multiple transmitters onto a single antenna.

• They can also be used in distributed antenna systems (DAS) to combine signals from multiple antennas into a single output.

• Combiners can be passive or active, and can operate at different frequencies depending on the application.

• ...read more

RRI stands for Radio Resource Index. It is a parameter used in GSM networks to measure the quality of radio resources.

• RRI is used to determine the quality of radio resources in GSM networks

• It is a parameter that is calculated based on the number of timeslots available and the number of active users

• RRI is used to allocate radio resources efficiently and avoid congestion

• A low RRI value indicates congestion and poor call ...read more

A metro hub is a central location where multiple metro lines intersect and passengers can transfer between them.

• Metro hubs are designed to facilitate easy and efficient transfer between different metro lines.

• They often have multiple levels or platforms to accommodate different lines.

• Metro hubs may also have amenities such as shops, restaurants, and restrooms for passengers.

• Examples of metro hubs include Grand Central T...read more

SDH stands for Synchronous Digital Hierarchy. It is a standard for transmitting digital signals over optical fiber networks.

• SDH is used for high-speed communication in telecommunications networks.

• It is a synchronous system, meaning that all devices are synchronized to a common clock signal.

• SDH uses a hierarchical structure of containers and frames to transport data.

• It provides error checking and correction to ensure da...read more

XML is a markup language used for storing and transporting data.

• XML stands for eXtensible Markup Language

• It uses tags to define elements and attributes to provide additional information

• XML is commonly used for data exchange between different systems and applications

• Examples of XML applications include RSS feeds, SOAP web services, and XHTML web pages

The number of mux used in Nokia varies depending on the specific product and network configuration.

• The number of mux used in Nokia can range from a few to several hundred depending on the network size and complexity.

• Different Nokia products may use different types and numbers of mux.

• The number of mux used may also depend on the specific network configuration and requirements.

• For example, Nokia's Wavence microwave trans...read more

A router is a networking device that forwards data packets between computer networks.

• Routers connect multiple networks together

• They use routing tables to determine the best path for data packets

• Routers can be used in homes, businesses, and on the internet

• Examples of routers include Cisco, Netgear, and TP-Link

Huawei equipment includes routers, switches, access points, and more for telecommunications networks.

• Huawei routers are used for routing data packets between computer networks.

• Huawei switches are used for connecting devices within a network.

• Huawei access points are used for providing wireless network access.

• Huawei also offers network security equipment such as firewalls and intrusion prevention systems.

• Examples of Huaw...read more

NEC IP equipment includes various types of hardware used for communication and networking purposes.

• NEC IP equipment includes IP phones, routers, switches, and servers.

• These devices are used for voice and data communication, network management, and security.

• Examples of NEC IP equipment include the UNIVERGE SV9100, SL2100, and DT800 series IP phones.

• NEC IP equipment is designed to be scalable and flexible to meet the nee...read more

ECI MUX is a multi-service access platform used for aggregation and transport of voice, data, and video services.

• ECI MUX is used in telecommunications networks to aggregate and transport multiple services over a single network infrastructure.

• It supports various interfaces such as TDM, Ethernet, and ATM.

• ECI MUX can be used for applications such as mobile backhaul, business services, and residential broadband.

• It provides...read more

MCMU stands for Main Control and Monitoring Unit. It is a critical component in a BSS system.

• MCMU is responsible for controlling and monitoring various subsystems in a BSS system.

• It receives and processes data from different sources and provides real-time information to the operator.

• MCMU also performs fault detection and isolation, and initiates corrective actions if necessary.

• Examples of subsystems that MCMU controls ...read more

BCSU stands for Base Station Control Unit. It is responsible for controlling and managing the radio resources of a base station.

• BCSU is a key component of a base station in a cellular network.

• It manages the radio resources of the base station, including frequency and power allocation.

• BCSU communicates with other network elements such as the MSC and BTS.

• It is responsible for call setup, handover, and other network funct...read more

The question is unclear. Please provide more context.

• Please provide more information about the card in question.

• Is it a hardware card or a software card?

• What is the specific function of the card?

• Without more information, it is impossible to answer the question.

AS7 card is a type of interface card used in telecom equipment for connecting to the backplane.

• AS7 card is used in telecom equipment for connecting to the backplane

• It provides interface for various types of signals such as voice, data and control signals

• AS7 card is commonly used in BSS (Base Station Subsystem) equipment for connecting to the BTS (Base Transceiver Station)

Group switch is used to control multiple devices simultaneously.

• Group switch allows for easy and efficient control of multiple devices at once.

• It can be used to turn on/off lights, fans, and other appliances in a room or area.

• Group switch can also be used to set timers and schedules for devices.

• It simplifies the process of managing multiple devices and saves time and effort.

• Group switch is commonly used in smart home a...read more