100+ Engineer- Customer Support Interview Questions and Answers

IPv6 is the latest version of Internet Protocol. There are no classes in IPv6.

• IPv6 is a 128-bit address scheme, compared to IPv4's 32-bit address scheme.

• IPv6 addresses are written in hexadecimal notation.

• IPv6 uses a different header format than IPv4.

• Unlike IPv4, there are no classes in IPv6 addressing.

I am proficient in 5 programming languages.

• Proficient in Java, Python, C++, JavaScript, and SQL

• Experience in developing web applications using JavaScript and Python frameworks

• Familiarity with database management using SQL

• Ability to quickly learn and adapt to new programming languages

• Strong problem-solving skills

There are two main types of SSDs: SATA and NVMe.

• SATA SSDs are the most common and use the same interface as traditional hard drives.

• NVMe SSDs are faster and use a different interface that connects directly to the motherboard.

• Other types of SSDs include PCIe SSDs and U.2 SSDs.

• PCIe SSDs use the PCIe interface and are commonly used in high-performance gaming PCs.

• U.2 SSDs are similar to NVMe SSDs but use a different physical connector.

• SSDs can also be classified by their form fac...read more

OST and PST are file formats used by Microsoft Outlook to store email, contacts, and other data.

• OST stands for Offline Storage Table and is used by Outlook to store a copy of mailbox data from an Exchange server.

• OST files allow users to access their mailbox data even when they are not connected to the server.

• PST stands for Personal Storage Table and is used by Outlook to store email, contacts, calendar items, and other data locally on a user's computer.

• PST files are typically...read more

Trace analysis of ASBC, PSBC, and TAS involves examining data for troubleshooting and performance optimization.

• ASBC (Application-Specific Base Class) analysis focuses on application performance metrics.

• PSBC (Platform-Specific Base Class) analysis looks at platform interactions and resource usage.

• TAS (Transaction Analysis System) evaluates transaction flows and identifies bottlenecks.

• Example: Analyzing ASBC can reveal slow response times in a web application.

• Example: PSBC anal...read more

AC is alternating current that changes direction periodically, while DC is direct current that flows in one direction.

• AC changes direction periodically, while DC flows in one direction

• AC is commonly used in household appliances and power distribution systems

• DC is used in batteries and electronic devices like smartphones and laptops

To check earthing on power supply, use a multimeter to measure the resistance between the earth terminal and a known earth point.

• Use a multimeter set to resistance mode

• Connect one probe to the earth terminal of the power supply

• Connect the other probe to a known earth point (e.g. a metal water pipe)

• A low resistance reading indicates good earthing

• A high resistance reading indicates poor earthing

Configuring MS Outlook involves setting up email accounts, server settings, and personal preferences.

• Open Outlook and click on File

• Click on Add Account and enter your email address

• Enter your password and follow the prompts to complete setup

• To configure server settings, click on File > Account Settings > Account Settings

• Select your email account and click on Change

• Enter the incoming and outgoing server settings provided by your email provider

• To customize personal preferences, ...read more

SQL database management system is a software used to manage and organize data stored in relational databases.

• SQL stands for Structured Query Language

• It allows users to create, modify, and delete databases and their tables

• It provides a way to retrieve and manipulate data stored in the database

• Examples of SQL database management systems include MySQL, Oracle, and Microsoft SQL Server

Semiconductors are materials that have electrical conductivity between that of a conductor and an insulator.

• Semiconductors have a band gap that allows them to conduct electricity under certain conditions.

• Common semiconductor materials include silicon, germanium, and gallium arsenide.

• Semiconductors are used in electronic devices such as transistors, diodes, and integrated circuits.

I will check the connections and troubleshoot the hardware and software components.

• Check if the monitor is properly connected to the computer

• Check if the monitor is turned on and the brightness is adjusted

• Check if the graphics card is properly installed and updated

• Check if the cables are not damaged or loose

• Check if the computer is booting up properly

• Run diagnostic tests to identify the issue

There is only one word 'resolve' with multiple meanings, but 'resolution' has different meanings depending on the context.

• Resolve can mean to find a solution to a problem or to make a firm decision.

• Resolution can mean the quality of being determined or the number of pixels in an image.

• In customer support, resolving an issue means finding a solution to the customer's problem.

• In computer graphics, resolution refers to the number of pixels in an image.

• In medical terms, resolutio...read more

A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction. A capacitor is a passive two-terminal electronic component that stores electrical energy in an electric field.

• Transformer works on the principle of electromagnetic induction, where changing current in one coil induces a voltage in another coil.

• Capacitor stores electrical energy in an electric field and releases it when needed.

• Transformer is used for stepp...read more

Components of an electronic weighing scale include load cells, display unit, microcontroller, and power supply.

• Load cells: convert the force of the weight into an electrical signal

• Display unit: shows the weight measurement to the user

• Microcontroller: processes the signal from the load cells and controls the display

• Power supply: provides the necessary power for the scale to function

Examples of AS sites include data centers, internet service providers, and cloud computing providers.

• AS sites are organizations that provide internet connectivity to end-users

• They are identified by their Autonomous System (AS) number

• Examples include Amazon Web Services (AS16509), Google (AS15169), and Microsoft (AS8075)

Elevators use various safety mechanisms to prevent accidents.

• Emergency brakes are installed to stop the elevator in case of a malfunction.

• Door interlocks prevent the doors from opening unless the elevator is at a stop.

• Overload sensors prevent the elevator from moving if it exceeds its weight limit.

• Safety edges on the doors detect obstructions and stop the doors from closing.

• Firefighters' emergency operation allows firefighters to take control of the elevator during an emergen...read more

To create a PST file and add data, follow these steps:

• Open Microsoft Outlook and click on 'New Items' in the 'Home' tab

• Select 'More Items' and then 'Outlook Data File'

• Choose a location and name for the PST file and click 'OK'

• To add data, drag and drop emails, contacts, or other items into the PST file

• Alternatively, go to 'File' > 'Open & Export' > 'Import/Export' and follow the prompts to import data into the PST file

C++ is an extension of C language with object-oriented programming features.

• C++ supports object-oriented programming while C does not.

• C++ has more advanced features like templates, exceptions, and namespaces.

• C++ is more complex and harder to learn than C.

• C++ is used for developing system software, games, and applications.

• C is used for developing operating systems, embedded systems, and device drivers.

Java and C are both programming languages, but differ in syntax, usage, and platform compatibility.

• Java is an object-oriented language, while C is a procedural language.

• Java is platform-independent, while C is platform-dependent.

• Java has automatic memory management, while C requires manual memory management.

• Java has a larger standard library than C.

• C is faster and more efficient than Java for certain tasks, such as system programming.

• Java is commonly used for web development,...read more

Revenue from new customers can be generated through various strategies such as offering discounts, promotions, referral programs, and upselling.

• Offer discounts or promotions to attract new customers

• Implement a referral program to incentivize existing customers to refer new ones

• Upsell additional products or services to new customers

• Provide excellent customer support to retain new customers and encourage repeat business

DNS resolves domain names to IP addresses. Firewall blocks unauthorized access to a network. Gateway connects networks.

• DNS stands for Domain Name System and translates domain names to IP addresses

• Firewall is a security system that monitors and controls incoming and outgoing network traffic

• Gateway is a network node that connects two different networks

• Examples of gateways include routers and switches

A motor is a device that converts electrical energy into mechanical energy. Its working principle is based on the interaction between a magnetic field and an electric current.

• Motors can be classified into different types such as DC motors, AC motors, stepper motors, etc.

• The working principle of a DC motor is based on the interaction between a magnetic field and an electric current, which produces a rotational motion.

• AC motors work on the principle of electromagnetic induction...read more

DNS stands for Domain Name System. It is a system that translates domain names into IP addresses.

• DNS is like a phonebook for the internet, translating human-readable domain names into machine-readable IP addresses.

• DNS works by using a hierarchical system of servers to look up and resolve domain names.

• When you type a domain name into your browser, your computer sends a request to a DNS resolver, which then queries DNS servers to find the IP address associated with that domain ...read more

SMB stands for Server Message Block, a protocol used for file sharing and printer sharing in a network.

• SMB is used for sharing files and printers between computers in a network.

• It allows multiple users to access the same resources simultaneously.

• SMB operates on the application layer of the OSI model.

• It uses TCP/IP as the underlying transport protocol.

• SMB has evolved over the years and the latest version is SMB3.

• Examples of SMB implementations include Windows file sharing and ...read more

A basic hydraulic circuit uses fluid pressure to transmit force and perform work, enabling various mechanical functions.

• Hydraulic circuits consist of a pump, reservoir, valves, and actuators.

• The pump generates pressure by moving hydraulic fluid from the reservoir.

• Valves control the flow and direction of the hydraulic fluid.

• Actuators, such as cylinders or motors, convert hydraulic energy into mechanical work.

• Example: A hydraulic lift uses a cylinder to raise heavy loads by app...read more

A domain server is a computer that manages a network's domain name system (DNS) and translates domain names to IP addresses.

• Domain servers store information about domain names and their corresponding IP addresses

• They help in resolving domain names to IP addresses for communication over the internet

• Domain servers can be authoritative or recursive

• Examples of domain servers include BIND, Microsoft DNS, and Google Cloud DNS

I have 5 years of experience in desktop support.

• 5 years of experience in providing desktop support to clients

• Proficient in troubleshooting hardware and software issues

• Skilled in remote desktop support and ticket management

• Experience in setting up and configuring desktops and laptops

• Familiarity with various operating systems such as Windows and macOS