20+ IT Associate Interview Questions and Answers

Computer hardware components include CPU, RAM, motherboard, hard drive, graphics card, and power supply. Errors can be resolved by troubleshooting, replacing faulty components, or updating drivers.

• CPU (Central Processing Unit) - Check for overheating, reseat if necessary.

• RAM (Random Access Memory) - Test for errors using diagnostic tools, replace if faulty.

• Motherboard - Check for loose connections, update BIOS if needed.

• Hard Drive - Run disk check utility, replace if failing....read more

To add an IP camera to a Network Video Recorder (NVR) or connect it to a network, you need to ensure the camera is compatible, configure the camera settings, connect it to the network, and add it to the NVR.

• Ensure the IP camera is compatible with the NVR and network.

• Configure the camera settings such as IP address, subnet mask, gateway, and port.

• Connect the IP camera to the network using an Ethernet cable or Wi-Fi.

• Add the IP camera to the NVR by entering its IP address and cr...read more

When you write code in .Java, it will be compiled into bytecode which can be executed by the Java Virtual Machine (JVM).

• Code is written in Java programming language.

• The code is saved with a .java extension.

• The code is compiled into bytecode using a Java compiler.

• The bytecode can be executed by the Java Virtual Machine (JVM).

I am familiar with various networks such as LAN, WAN, WLAN, and VPN. MAC is a unique identifier for network devices and IP is a unique identifier for network hosts. I know Windows, Linux, and macOS. Ticket tools used in IT sectors include JIRA, ServiceNow, and Zendesk.

• Networks I know include LAN, WAN, WLAN, and VPN

• MAC is a unique identifier for network devices and IP is a unique identifier for network hosts

• Operating systems I know include Windows, Linux, and macOS

• Ticket tools...read more

Possible reasons for a device not being able to establish a LAN connection

• Incorrect network settings

• Faulty network cable

• Network adapter driver issues

• Network congestion

• Firewall blocking the connection

The question covers different types of networks, BSOD error, RAM and ROM, and SQL installation and management.

• Different types of networks include LAN, WAN, MAN, PAN, WLAN, and VPN.

• BSOD (Blue Screen of Death) error is a system error that causes the computer to crash and display a blue screen.

• RAM (Random Access Memory) is a volatile memory that stores data temporarily while the computer is running.

• ROM (Read-Only Memory) is a non-volatile memory that stores data permanently and ...read more

To connect database and create tables, use SQL commands. To install OS, follow the manufacturer's instructions.

• For connecting to a database, use SQL commands such as 'CREATE DATABASE' and 'USE DATABASE'

• To create tables, use 'CREATE TABLE' command with appropriate column names and data types

• For installing OS, follow the manufacturer's instructions and use appropriate installation media such as CD or USB drive

• Make sure to backup important data before installing OS

Improving application performance can be achieved through various methods such as optimizing code, utilizing caching mechanisms, and scaling resources.

• Optimize code by identifying and fixing bottlenecks

• Utilize caching mechanisms to reduce load times

• Scale resources by adding more servers or upgrading hardware

• Implement load balancing to distribute traffic evenly

• Use profiling tools to identify performance issues

Private IP is used within a network while public IP is used to communicate with devices outside the network.

• Private IP is assigned to devices within a local network and is not accessible from the internet.

• Public IP is assigned to a device by the internet service provider and is used to communicate with devices outside the local network.

• Private IP addresses are in the range of 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255, and 192.168.0.0 to 192.168.255.255.

• Public I...read more

LAN is a local area network, WAN is a wide area network, WPS is Wi-Fi Protected Setup, and WPSA is not a commonly used term.

• LAN is a network that connects devices within a limited area, such as a home or office.

• WAN is a network that connects devices over a larger geographical area, such as across cities or countries.

• WPS is a method of securely connecting devices to a wireless network without entering a password.

• WPSA is not a commonly used term in the IT industry.

Multiple VLANs can be configured on a single port.

• A single port can be configured to carry traffic for multiple VLANs.

• This is achieved through VLAN tagging.

• The maximum number of VLANs that can be configured on a single port depends on the switch and its capabilities.

An IP address is a unique numerical identifier assigned to each device connected to a computer network.

• IP stands for Internet Protocol

• It consists of four sets of numbers separated by dots

• It identifies the location of a device on a network

• It allows devices to communicate with each other over the internet

• Example: 192.168.1.1

A kiosk is a self-service machine that provides information or performs a specific task.

• Kiosks can be found in public places like malls, airports, and hospitals.

• They can be used for tasks like printing boarding passes, ordering food, or checking in for appointments.

• Kiosks often have touchscreens and may accept cash or credit card payments.

• Some kiosks also have cameras or scanners for identification purposes.

• Kiosks can improve efficiency and convenience for both customers and ...read more

A server is a computer program or device that provides functionality for other programs or devices, called clients.

• Stores and manages data and applications

• Provides access to resources and services

• Facilitates communication between clients

• Can be used for web hosting, email, file sharing, and more

Different types of networks include LAN, WAN, MAN, WLAN, VPN, PAN, SAN, CAN, and GAN.

• LAN (Local Area Network) connects devices within a limited area

• WAN (Wide Area Network) connects devices over a large geographical area

• MAN (Metropolitan Area Network) connects devices within a city or metropolitan area

• WLAN (Wireless Local Area Network) uses wireless technology to connect devices within a limited area

• VPN (Virtual Private Network) provides secure access to a private network over...read more

ES6 features are new functionalities added to JavaScript in ECMAScript 6 version.

• Arrow functions for concise syntax

• Let and const for block-scoped variables

• Classes for object-oriented programming

• Template literals for string interpolation

• Destructuring for easy assignment of variables

IP stands for Internet Protocol, a unique address assigned to each device connected to a network.

• IP addresses are used to identify devices on a network

• There are two types of IP addresses: IPv4 and IPv6

• Example of an IPv4 address: 192.168.1.1

• Example of an IPv6 address: 2001:0db8:85a3:0000:0000:8a2e:0370:7334

A network is a collection of computers, servers, mainframes, network devices, and other devices connected to one another for sharing data and resources.

• A network allows devices to communicate with each other, share resources, and access the internet.

• Types of networks include LAN (Local Area Network), WAN (Wide Area Network), and WLAN (Wireless Local Area Network).

• Examples of network devices include routers, switches, modems, and access points.