20+ Central Investigation & Security Services Interview Questions and Answers

The problem could be due to a faulty power supply, motherboard, or other hardware components.

• Check if the power supply is properly connected and functioning

• Check if the motherboard is receiving power

• Check if any hardware components are loose or damaged

• Check if there are any error messages or beeps during startup

Check if the system is powered on and connected to the display. Verify display settings and cables.

• Check if the system is powered on and connected to the display

• Verify display settings and cables

• Try connecting to a different display or use a different cable

• Check if the graphics card is properly seated and functioning

• Check for any error messages or beeps during startup

Straight cable colour coding is the standard colour scheme used to connect networking devices.

• Straight cable colour coding follows the T568A or T568B standard.

• In T568A, the colour coding is: white-green, green, white-orange, blue, white-blue, orange, white-brown, brown.

• In T568B, the colour coding is: white-orange, orange, white-green, blue, white-blue, green, white-brown, brown.

• The colour coding helps ensure proper connections between devices.

Regularly clean up temporary files, uninstall unnecessary programs, update drivers and software, optimize startup programs, and run disk cleanup and defragmentation.

• Regularly clean up temporary files to free up disk space

• Uninstall unnecessary programs to reduce system load

• Update drivers and software for better performance

• Optimize startup programs to reduce boot time

• Run disk cleanup and defragmentation to improve disk performance

I would attach the USB flash drive to install Windows.

• Insert the USB flash drive into an available USB port on the computer

• Restart the computer and boot from the USB drive

• Follow the on-screen instructions to install Windows

DNS stands for Domain Name System, which translates domain names to IP addresses. DHCP stands for Dynamic Host Configuration Protocol, which assigns IP addresses to devices on a network.

• DNS is like a phone book for the internet, translating domain names (like google.com) to IP addresses (like 172.217.3.206)

• DHCP automatically assigns IP addresses to devices on a network, making it easier to manage and configure large networks

• DNS and DHCP work together to ensure devices can con...read more

To speed up a PC, you can optimize startup programs, clean up disk space, update software, increase RAM, and use a solid state drive.

• Optimize startup programs by disabling unnecessary ones from running at startup

• Clean up disk space by deleting temporary files, uninstalling unused programs, and running disk cleanup tool

• Update software including operating system, drivers, and applications

• Increase RAM to improve multitasking and overall performance

• Use a solid state drive (SSD) f...read more

To install Windows 10, you can use a USB drive or DVD to boot from and follow the on-screen instructions.

• Create a bootable USB drive or DVD with the Windows 10 installation files

• Insert the USB drive or DVD into the computer and restart it

• Boot from the USB drive or DVD by changing the boot order in BIOS settings

• Follow the on-screen instructions to select language, time and currency format, and keyboard or input method

• Choose 'Install Now' and enter the product key if prompted

• Se...read more

To work the antivirus, you need to install, update, and run regular scans to protect your computer from malware.

• Install antivirus software on your computer

• Regularly update the antivirus software to ensure it has the latest virus definitions

• Schedule regular scans of your computer to check for malware

• Be cautious of suspicious emails or websites that may contain malware

• Quarantine or delete any threats detected by the antivirus software

The two types of RAM are DRAM (Dynamic Random Access Memory) and SRAM (Static Random Access Memory).

• DRAM is cheaper and slower, while SRAM is faster and more expensive.

• DRAM requires refreshing to maintain data, while SRAM does not.

• Examples of DRAM include DDR3 and DDR4, while examples of SRAM include L1 and L2 cache.

• DRAM is used in main memory, while SRAM is used in cache memory.

There are two types of ROM: PROM (Programmable Read-Only Memory) and EPROM (Erasable Programmable Read-Only Memory).

• PROM is programmed only once by the manufacturer and cannot be changed by the user.

• EPROM can be erased and reprogrammed multiple times using ultraviolet light.

• Examples of ROM include BIOS in computers and firmware in electronic devices.

To format a PC, you can use the built-in Windows tool called 'Reset this PC' or reinstall the operating system from a bootable USB drive.

• Backup important data before formatting the PC

• Use 'Reset this PC' feature in Windows settings for a quick format

• Reinstall the operating system from a bootable USB drive for a clean format

• Follow on-screen instructions during the formatting process

Profile rename during OS installation involves changing the user account name.

• During OS installation, choose 'Customize' option to rename profile

• Ensure to backup data before renaming profile

• After installation, update user account settings with new name

I have extensive knowledge and experience with Excel functions such as VLOOKUP and HLOOKUP.

• I have used VLOOKUP to search for a value in the first column of a table and return a value in the same row from a specified column.

• I am familiar with using HLOOKUP to search for a value in the first row of a table and return a value in the same column from a specified row.

• I have experience in using these functions to efficiently retrieve data and perform data analysis in Excel.

Check connections, restart computer and monitor, test with another monitor.

• Check if monitor is properly connected to computer and power source.

• Restart computer and monitor to see if display comes back.

• Test with another monitor to determine if issue is with monitor or computer.

• Check monitor settings and cables for any issues.

Check power source, connections, power supply unit, and motherboard for issues.

• Check if the power source is working properly

• Ensure all connections are secure and not loose

• Check the power supply unit for any faults

• Inspect the motherboard for any damage or issues

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

• Centralized database for managing network resources and users

• Allows administrators to assign policies, deploy software, and apply critical updates

• Supports single sign-on for users to access multiple applications with one set of credentials

NTFS (New Technology File System) is a file system used by Windows operating systems for organizing and managing files on a hard drive.

• NTFS supports file permissions and encryption for improved security.

• It allows for larger file sizes and more efficient storage allocation compared to FAT32.

• NTFS is the default file system for Windows NT, 2000, XP, Vista, 7, 8, and 10.

• It supports features like file compression, disk quotas, and shadow copies.

Current CTC refers to the current salary package or compensation that the candidate is receiving in their current job.

• Current CTC is the total amount of money an employee is paid by their employer, including base salary, bonuses, and other benefits.

• It is important for employers to know the candidate's Current CTC to determine if they can offer a competitive salary package.

• Candidates should be honest about their Current CTC during interviews to avoid any discrepancies later on...read more

Intune is a cloud-based service from Microsoft that helps manage and secure mobile devices and applications.

• Intune allows organizations to manage the mobile devices of their employees, ensuring they are secure and compliant with company policies.

• It can be used to manage iOS, Android, Windows, and macOS devices.

• Intune provides features such as device enrollment, app management, conditional access, and compliance policies.

I receive requests through email, phone calls, and in-person visits.

• Monitor email inbox for new tickets

• Answer phone calls from users seeking assistance

• Assist users who come to the helpdesk in person

• Use ticketing system to track and prioritize requests

To work on a PC fast, optimize startup programs, clean up disk space, update software regularly, and use keyboard shortcuts.

• Optimize startup programs to reduce boot time

• Regularly clean up disk space to improve performance

• Update software and drivers to ensure smooth operation

• Use keyboard shortcuts to navigate quickly and efficiently

There are several types of servers, including web servers, email servers, file servers, and database servers.

• Web servers - used to host websites and serve web pages to users (e.g. Apache, Nginx)

• Email servers - used to send, receive, and store emails (e.g. Microsoft Exchange, Postfix)

• File servers - used to store and manage files for users on a network (e.g. Windows File Server, Samba)

• Database servers - used to store and manage databases (e.g. MySQL, PostgreSQL)

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

• AD is used to store information about network resources such as computers, users, groups, and printers.

• It allows administrators to manage and secure access to resources within a network.

• AD uses a hierarchical structure with domains, trees, and forests to organize objects and facilitate management.

• Examples of tasks performed in AD include user authentication, group policy man...read more

To check VGA and RAM, you can use system information tools or check physically inside the computer.

• Use system information tools like CPU-Z or Speccy to check VGA and RAM details

• Physically open the computer case to visually inspect the VGA card and RAM modules

• Check for any errors or issues related to VGA or RAM in the system logs