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Telecom refers to the transmission of information over long distances using electronic means.
Telecom involves the use of various technologies such as telephones, radios, and satellites.
It enables communication between people and devices across the world.
Telecom companies provide services such as voice calls, messaging, and internet connectivity.
Examples of telecom companies include AT&T, Verizon, and Vodafone.
RJ45 Connector is a standardized physical network interface for Ethernet connections.
It is used to connect Ethernet cables to network devices such as computers, routers, and switches.
It has 8 pins and is commonly used for Ethernet networking.
It is also known as an 8P8C connector.
It is similar in appearance to a telephone jack, but larger in size.
Patch cables are used to connect networking devices together.
Patch cables are short cables with connectors on both ends used to connect devices like computers, switches, and routers.
They are commonly used in local area networks (LANs) to connect devices to a network switch.
Patch cables come in different lengths and colors, and can be made of different materials like copper or fiber optic.
They are also used in data cent...
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I was interviewed before Sep 2016.
I have worked on various technologies including Java, Python, AWS, Docker, and Kubernetes.
Java
Python
AWS
Docker
Kubernetes
Daily operational activities case studies
Case study of optimizing production line for efficiency
Case study of implementing new safety protocols in a manufacturing plant
Case study of troubleshooting and resolving technical issues in a software development team
Case study of streamlining inventory management in a retail store
Case study of improving customer service processes in a call center
Project management is the process of planning, organizing, and overseeing the execution of a project from start to finish.
It involves defining project goals and objectives
Creating a project plan and timeline
Assigning tasks and responsibilities to team members
Monitoring progress and making adjustments as needed
Ensuring that the project is completed on time, within budget, and meets the desired quality standards
Examples ...
Financial and cost control is the process of monitoring and managing project expenses to ensure they stay within budget.
Developing a detailed budget plan
Tracking expenses and comparing them to the budget plan
Identifying and addressing cost overruns
Negotiating with vendors to get the best prices
Implementing cost-saving measures
Regularly reporting on financial status to stakeholders
Resource management is the process of planning, allocating, and optimizing resources to achieve organizational goals.
It involves identifying the resources needed for a project or task
Allocating those resources in an efficient manner
Monitoring and controlling resource usage to ensure optimal performance
Examples include managing personnel, finances, equipment, and time
Effective resource management can lead to increased p
2G, 3G, and 4G call flow are the processes involved in establishing and maintaining a mobile phone call.
2G call flow involves circuit-switched technology and uses Time Division Multiple Access (TDMA) for voice transmission.
3G call flow uses packet-switched technology and supports both voice and data transmission.
4G call flow uses Long-Term Evolution (LTE) technology and provides high-speed data transmission.
All call fl...
Single RAN is a network architecture that allows multiple wireless technologies to be supported on a single physical network.
Single RAN stands for Single Radio Access Network.
It enables multiple wireless technologies such as 2G, 3G, 4G, and 5G to be supported on a single physical network.
This reduces the need for multiple hardware and software components, resulting in cost savings and simplified network management.
Sing...
VOLTE stands for Voice over LTE. It is a technology that allows voice calls to be made over a 4G LTE network.
VOLTE uses IP packets to transmit voice calls over the LTE network
It provides better call quality and faster call setup times compared to traditional 2G/3G networks
VOLTE also allows for simultaneous voice and data usage on the same network
Examples of VOLTE-enabled devices include iPhone 6 and above, Samsung Gala...
LTE is a standard for wireless broadband communication while VoLTE is a technology that enables voice calls over LTE network.
LTE stands for Long-Term Evolution and is a standard for wireless broadband communication.
VoLTE stands for Voice over LTE and is a technology that enables voice calls over LTE network.
LTE is used for data transfer while VoLTE is used for voice calls.
VoLTE provides better call quality and faster c...
Transport network refers to the infrastructure that enables the movement of people, goods, and information.
Transport network includes roads, railways, airports, seaports, and communication networks.
It plays a crucial role in the economy by facilitating trade and commerce.
Examples of transport networks include the interstate highway system in the US and the European railway network.
Transport network planning involves op...
ABIS over IP and ABIS over TDM are two different methods of transmitting biometric data.
ABIS over IP uses internet protocol to transmit biometric data while ABIS over TDM uses time-division multiplexing.
ABIS over IP is more flexible and scalable than ABIS over TDM.
ABIS over TDM is more reliable and secure than ABIS over IP.
ABIS over IP is suitable for remote locations while ABIS over TDM is suitable for local networks.
...
2G, 3G, and 4G are mobile network technologies with different architectures.
2G uses circuit-switched technology and is primarily used for voice calls and text messaging.
3G uses packet-switched technology and offers faster data transfer rates than 2G.
4G uses all-IP packet-switched technology and provides even faster data transfer rates than 3G.
4G also supports advanced features like VoLTE and carrier aggregation.
Each ge...
I am a Senior engineer with 10+ years of experience in software development, specializing in backend systems and cloud technologies.
10+ years of experience in software development
Specialize in backend systems and cloud technologies
Strong problem-solving skills
Experience with large-scale distributed systems
Proficient in programming languages such as Java, Python, and Go
I have worked in various companies ranging from startups to large corporations, gaining experience in diverse technologies and industries.
Worked in a startup where I was responsible for developing a scalable backend system using Node.js and MongoDB.
At a mid-sized company, I led a team in implementing CI/CD pipelines for faster and more reliable software delivery.
In a large corporation, I worked on optimizing performanc...
I am impressed by the company's innovative projects and strong reputation in the industry.
Company's reputation for cutting-edge technology
Opportunity to work on challenging projects
Positive reviews from current employees
My notice period is currently 3 months, but it may be negotiable depending on the circumstances.
My current notice period is 3 months
I am open to negotiation depending on the circumstances
I can provide examples of when I have negotiated notice periods in the past
I applied via Naukri.com and was interviewed before Jul 2020. There was 1 interview round.
I applied via Walk-in and was interviewed before Mar 2021. There were 2 interview rounds.
I am highly skilled in technical aspects and have extensive experience in troubleshooting and problem-solving.
I have a degree in Electrical Engineering and have worked as a Service Engineer for 5 years.
I have experience in diagnosing and repairing complex machinery and equipment.
I am proficient in programming languages such as C++, Java, and Python.
I have excellent communication skills and can explain technical issues ...
I was interviewed before Mar 2021.
Name mangling is a technique used by compilers to give unique names to functions and variables to avoid naming conflicts.
Name mangling is used in C++ to support function overloading.
It is also used in Python to avoid naming conflicts in modules.
Name mangling can make it difficult to access variables and functions from outside the class in which they are defined.
In C++, name mangling can be seen by using the 'nm' comman
I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.
Abstract Factory is a creational design pattern that provides an interface for creating families of related objects.
Abstract Factory is used when we need to create families of related objects without specifying their concrete classes.
It provides an interface for creating objects of related classes without specifying their concrete classes.
It encapsulates a group of factories that have a common theme.
It promotes loose c...
Range based map iteration can be done using a for-each loop or iterators.
Use a for-each loop to iterate over the map elements.
Alternatively, use iterators to traverse the map.
The range-based for loop is preferred for its simplicity and readability.
Example: for(auto const& [key, value] : myMap) { //do something with key and value }
Detached threads are independent threads that run separately from the main thread. Joined threads are threads that wait for the main thread to finish.
Detached threads are created using pthread_detach() function
Joined threads are created using pthread_join() function
Detached threads do not need to be explicitly terminated
Joined threads must be explicitly terminated using pthread_exit() or return statement
Detached thread...
Static code analysis tools are software programs that analyze source code to find potential issues and improve code quality.
Static code analysis tools scan code without executing it
They can detect issues such as security vulnerabilities, coding errors, and performance problems
Examples of static code analysis tools include SonarQube, ESLint, and Checkstyle
Command to list currently running threads in linux
Use the 'ps' command with the 'H' option to display threads in a hierarchy
Use the 'top' command to display threads in real-time
Use the 'htop' command for an interactive display of threads
No, arithmetic operations cannot be performed on unique pointers.
Unique pointers are used to manage the lifetime of dynamically allocated objects.
They cannot be copied or assigned, only moved.
Arithmetic operations are not defined for pointers, including unique pointers.
Designing Facebook is a complex task involving various components and technologies.
Identify the core features of Facebook such as user profiles, news feed, messaging, and groups.
Choose appropriate technologies for each component such as PHP for backend, React for frontend, and MySQL for database.
Ensure scalability and performance by implementing caching, load balancing, and database sharding.
Implement security measures...
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