20+ Interview Questions and Answers

To rectify data recovery, dual monitor connection, check cables, update drivers, and use data recovery software.

• Check cables and connections for dual monitor setup

• Update drivers for graphics card and monitor

• Use data recovery software to recover lost data

• Ensure proper backup procedures are in place to prevent data loss

If infected with malware, isolate system, run antivirus scan, remove malware, backup data to external device.

• Isolate infected system from network to prevent further spread of malware

• Run antivirus scan to detect and remove malware

• If antivirus scan fails, use malware removal tools or seek professional help

• Backup important data to external device before attempting any fixes

• Ensure backup device is not infected with malware before restoring data

Hardware refers to the physical components of a computer system, such as the motherboard, CPU, RAM, and hard drive.

• Hardware is the physical components that make up a computer system

• Examples of hardware include the motherboard, CPU, RAM, hard drive, and network interface card

• Hardware is essential for a computer system to function properly

• Hardware can be upgraded or replaced to improve performance or fix issues

DHCP is a network protocol that assigns IP addresses automatically to devices on a network.

• DHCP stands for Dynamic Host Configuration Protocol

• It allows devices to obtain IP addresses, subnet masks, default gateways, and DNS servers automatically

• DHCP servers lease IP addresses to devices for a specific period of time

• DHCP reduces the need for manual IP address configuration

• Example: When a device connects to a Wi-Fi network, DHCP assigns it an IP address from the available pool

To resolve OS installation problems, check hardware compatibility, ensure proper boot order, and troubleshoot installation media.

• Check hardware compatibility with the OS being installed

• Ensure proper boot order in BIOS settings

• Troubleshoot installation media, such as checking for scratches or creating a new bootable USB

• Check for any error messages during installation and troubleshoot accordingly

Diagnosing hardware and software problems involves identifying symptoms, conducting tests, analyzing data, and troubleshooting.

• Identify the symptoms reported by the user or observed on the system.

• Conduct hardware tests such as checking connections, running diagnostics tools, and monitoring performance.

• Conduct software tests such as checking for updates, scanning for malware, and verifying configurations.

• Analyze data collected from tests to pinpoint the root cause of the issue...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

• It helps to locate websites by translating domain names into IP addresses

• DNS works through a hierarchical system of servers

• There are different types of DNS records such as A, CNAME, MX, etc.

• DNS caching helps to speed up the process of resolving domain names

System backup can be taken using various methods depending on the type of system and data.

• Identify the type of system and data to be backed up

• Choose a backup method such as full, incremental or differential

• Select a backup location such as external hard drive or cloud storage

• Schedule regular backups to ensure data is always up to date

• Test the backup to ensure it can be restored in case of a system failure

DHCP is a network protocol that automatically assigns IP addresses to devices on a network.

• Automatically assigns IP addresses to devices on a network

• Helps in reducing manual configuration errors

• Uses a lease mechanism to manage IP address assignments

• Commonly used in home networks, corporate networks, and internet service providers

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

• PST stands for Personal Storage Table and is used to store email data on a local computer.

• OST stands for Offline Storage Table and is used to store email data when Outlook is used in cached mode.

• PST files can be imported and exported to transfer email data between computers or to backup data.

• OST files are automatically created when Outlook is used in cached mode and can be rebuilt if corrupted.

• Both PST...read more

CPU 4BPP refers to a graphics mode that supports only 16 colors.

• 4BPP stands for 4 bits per pixel, which means each pixel can have one of 16 colors

• This graphics mode is outdated and not commonly used anymore

• The problem could be related to outdated hardware or software that does not support this mode

Configuring Outlook involves setting up email accounts, adding signatures, and customizing settings.

• Open Outlook and click on File

• Click on Add Account and enter email credentials

• Customize settings such as signature and automatic replies

• Set up rules for organizing emails

• Troubleshoot any issues with connectivity or syncing

• Regularly update and maintain Outlook for optimal performance

AD stands for Active Directory. It is a directory service developed by Microsoft for Windows domain networks.

• AD provides centralized management of network resources and user accounts.

• It allows for easy authentication and authorization of users and computers.

• AD enables the implementation of group policies for controlling user access and permissions.

• It also supports the integration of third-party applications and services.

• Examples of AD-enabled services include Microsoft Exchan...read more

To troubleshoot system slowness, check for resource usage, run diagnostics, update software, and optimize settings.

• Check CPU, memory, and disk usage to identify resource bottlenecks

• Run system diagnostics to identify any hardware issues

• Update software and drivers to ensure system is running on the latest versions

• Optimize system settings such as startup programs and background processes

• Consider checking for malware or viruses that could be causing slowness

The OSI model is a conceptual framework used to describe the communication process between devices on a network.

• OSI stands for Open Systems Interconnection

• It has 7 layers, each with a specific function

• The layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application

• Each layer communicates with the layer above and below it

• Example: HTTP (Application layer) uses TCP (Transport layer) to establish a connection and send data

• Example: Ethernet (Data Lin...read more

CCNA networking router configuration involves setting up and managing routers for efficient network communication.

• CCNA certification is required for router configuration

• Configuration involves setting up IP addresses, subnet masks, and default gateways

• Routing protocols like OSPF and EIGRP are used for efficient routing

• Security measures like access control lists (ACLs) are implemented to protect the network

• Examples of routers include Cisco, Juniper, and Huawei

IP conflict occurs when two devices on the same network have the same IP address.

• Occurs when two devices have the same IP address

• Can cause network connectivity issues

• Can be resolved by assigning a unique IP address to each device

Safe mode can be accessed by restarting the computer and pressing a specific key or key combination before the Windows logo appears.

• Restart the computer

• Press F8 key repeatedly before Windows logo appears

• Select 'Safe Mode' option from the menu

Active Directory is a directory service developed by Microsoft for Windows domain networks.

• Centralized database for managing network resources

• Stores information about users, computers, groups, etc.

• Allows for authentication and authorization of users

• Enables administrators to manage and secure network resources

• Supports single sign-on for users across different applications

Blue Dump error can be repaired by analyzing the error message, identifying the root cause, and taking appropriate actions.

• Analyze the error message to identify the root cause

• Check for hardware issues such as faulty RAM or hard drive

• Update or reinstall drivers

• Perform a system restore or reinstall the operating system if necessary

To rejoin a domain, you need to disjoin the computer from the domain first and then rejoin it.

• First, disjoin the computer from the domain by going to System Properties > Computer Name > Change > select Workgroup and restart the computer.

• Next, rejoin the computer to the domain by going to System Properties > Computer Name > Change > select Domain and enter the domain name.

• You will need domain admin credentials to rejoin the computer to the domain.

• After entering the domain name...read more

Static IP remains constant, while dynamic IP changes frequently.

• Static IP is manually assigned and does not change, while dynamic IP is assigned by a DHCP server and can change.

• Static IP is typically used for servers, printers, and network devices that need a consistent address.

• Dynamic IP is commonly used for devices that connect to the internet and do not require a fixed address.

• Static IP provides better security and easier remote access management.

• Dynamic IP is more cost-ef...read more

VPN stands for Virtual Private Network. It allows users to securely access a private network over a public network.

• Encrypts data to ensure privacy and security

• Allows users to access network resources remotely

• Helps bypass geo-restrictions and censorship

• Protects against cyber threats when using public Wi-Fi

• Examples: NordVPN, ExpressVPN, Cisco AnyConnect

AD stands for Active Directory, which is a Microsoft technology used for managing computers and users in a network.

• AD is a centralized database that stores information about network resources such as computers, users, and printers.

• It allows administrators to manage and control access to network resources.

• AD uses a hierarchical structure of domains, trees, and forests to organize network resources.

• It provides authentication and authorization services to users and computers in ...read more