KHS CompTIA Fundamentals: Domain 3

A company is planning to upgrade its computer systems. They need to decide between two different operating systems. What factors should they consider to make an informed decision?

• The color of the operating system interface

• Compatibility with existing software and hardware

• The number of wallpapers available

• The size of the installation file

Answer explanation

The most critical factor is compatibility with existing software and hardware, as it ensures that the new operating system can work seamlessly with current systems, minimizing disruptions and additional costs.

A student is tasked with setting up a secure home network. What steps should they take to ensure the network is secure?

• Use a default password for the router

• Enable WPA3 encryption and change the default SSID

• Disable the firewall

• Share the network password with everyone

Answer explanation

Enabling WPA3 encryption secures the network against unauthorized access, while changing the default SSID helps to obscure the network's identity. Using default passwords, disabling firewalls, and sharing passwords compromise security.

A business wants to implement a backup strategy for its data. Which approach would be most effective in ensuring data integrity and availability?

• Back up data once a year

• Use a combination of local and cloud backups with regular updates

• Only back up critical files

• Store backups on the same drive as the original data

Answer explanation

Using a combination of local and cloud backups with regular updates ensures data integrity and availability by providing redundancy and protection against data loss from various threats, unlike the other options.

A user is experiencing slow performance on their computer. What steps should they take to diagnose and resolve the issue?

• Install more games

• Check for malware, update software, and clear temporary files

• Increase the screen brightness

• Change the desktop wallpaper

Answer explanation

To diagnose slow performance, the user should check for malware, update software, and clear temporary files. These steps can help identify and resolve issues affecting system speed, unlike the other options which do not address performance.

A company is considering moving its services to the cloud. What are the strategic benefits they should evaluate?

• The color of the cloud provider's logo

• Scalability, cost-effectiveness, and accessibility

• The number of advertisements the provider has

• The location of the cloud provider's headquarters

Answer explanation

The strategic benefits of moving to the cloud include scalability, allowing for growth; cost-effectiveness, reducing expenses; and accessibility, enabling remote access to services. These factors are crucial for informed decision-making.

A student needs to choose a programming language for a project. What criteria should they use to make their decision?

• The language with the most complex syntax

• Suitability for the project requirements and community support

• The language with the fewest users

• The language that requires the most memory

Answer explanation

The best choice is 'Suitability for the project requirements and community support' because a language that meets project needs and has a supportive community ensures better resources and assistance, leading to project success.

A user wants to improve the security of their online accounts. What strategies should they implement?

• Use the same password for all accounts

• Enable two-factor authentication and use strong, unique passwords

• Share passwords with friends

• Write passwords on a sticky note attached to the monitor

Answer explanation

To enhance online account security, users should enable two-factor authentication and create strong, unique passwords for each account. This approach significantly reduces the risk of unauthorized access compared to using the same password or sharing them.

A company is planning to deploy a new software application. What steps should they take to ensure a smooth deployment?

• Deploy without testing

• Conduct thorough testing, train users, and plan for support

• Ignore user feedback

• Deploy during peak business hours

Answer explanation

To ensure a smooth deployment, it's crucial to conduct thorough testing, train users on the new software, and plan for ongoing support. This approach minimizes issues and enhances user adoption.

A student is tasked with creating a website. What factors should they consider to ensure the website is user-friendly and accessible?

• Use as many colors as possible

• Ensure responsive design, easy navigation, and accessibility features

• Include large amounts of text on each page

• Use only one font size throughout

Answer explanation

To create a user-friendly website, it's essential to ensure responsive design, easy navigation, and accessibility features. These elements enhance usability and allow all users, including those with disabilities, to access the content effectively.

A business wants to protect its data from unauthorized access. What measures should they implement?

• Leave all data unencrypted

• Use encryption, access controls, and regular audits

• Allow all employees access to all data

• Store passwords in plain text

Answer explanation

To protect data from unauthorized access, businesses should implement encryption to secure data, access controls to limit who can view it, and regular audits to ensure compliance and identify vulnerabilities.