An application developer needs to test multiple operating systems on one host. Which of the following would be the best choice for the test server?
Correct Answer: A
A type 1 hypervisor OS, also known as a bare-metal hypervisor, is a software layer that runs directly on the hardware and allows multiple operating systems to run as virtual machines on the same host. This is the best choice for the test server because it provides the highest performance, isolation, and flexibility for testing different operating systems. A type 1 hypervisor OS can also support live migration, replication, and backup of virtual machines. A server OS is an operating system that is designed to run on a server, which is a computer that provides services to other computers on a network. A server OS may not support multiple operating systems or virtualization, and may have different hardware and software requirements than a test server. An embedded OS is an operating system that is embedded in a device, such as a smartphone, tablet, or smart TV. An embedded OS is usually optimized for a specific function and hardware, and may not support multiple operating systems or virtualization. A workstation OS is an operating system that is designed to run on a workstation, which is a high-end computer that is used for intensive tasks, such as graphics, video editing, or engineering. A workstation OS may support multiple operating systems or virtualization, but it may not have the same features and capabilities as a type 1 hypervisor OS, such as live migration, replication, and backup of virtual machines. References: CompTIA IT Fundamentals (ITF+) Certification Guide, page 311 Introduction to Hyper-V on Windows 10
Question 87
A corporate network just implemented a 60-day password-warning banner. Which of the following is most likely going to happen in 60 days?
Correct Answer: B
The most likely thing that will happen in 60 days after implementing a 60-day password-warning banner is password expiration. A password-warning banner is a message that appears on the screen when a user logs in to a system or network, informing them of how many days are left before their password expires. A password expiration policy is a security measure that requires users to change their passwords periodically, usually every 30 to 90 days. This policy helps to prevent unauthorized access or compromise of passwords by hackers or malicious insiders. Password reset is the process of changing or creating a new password for a user account when the user forgets their password or wants to change it for security reasons. Password reset can be done by the user themselves or by an administrator, depending on the system or network settings. Password reset does not necessarily happen in 60 days after implementing a 60-day password-warning banner, unless the user forgets their password or chooses to change it before it expires. Password reuse is the practice of using the same password for multiple user accounts or systems. Password reuse is not recommended as it increases the risk of compromise if one of the accounts or systems is breached by hackers or malicious insiders. Password reuse does not necessarily happen in 60 days after implementing a 60-day password-warning banner, unless the user chooses to use their old password for their new password after it expires. Password implementation is not a term used in security, but it may refer to the process of creating or enforcing password policies for user accounts or systems. Password implementation does not necessarily happen in 60 days after implementing a 60-day password-warning banner, unless there are changes in the password policies that require users to comply with them. References: The Official CompTIA IT Fundamentals (ITF+) Student Guide (Exam FC0-U61), Chapter 7: Security Concepts1
Question 88
A game developer is purchasing a computing device to develop a game and recognizes the game engine software will require a device with high-end specifications that can be upgraded. Which of the following devices would be BEST for the developer to buy?
Correct Answer: D
A workstation would be the best device for a game developer to buy if the game engine software requires high-end specifications and upgradability. A workstation is a computing device that is designed for professional or specialized applications that require high performance, reliability, and scalability. A workstation typically has more powerful components than a standard desktop computer, such as faster processors, larger memory, better graphics cards, and more storage options. A workstation can also be customized and upgraded to meet specific needs or preferences. Reference : The Official CompTIA IT Fundamentals (ITF+) Study Guide (FC0-U61), page 26.
Question 89
Which of the following describes plug-and-play installation?
Correct Answer: C
Plug-and-play installation refers to the technology that allows the operating system to detect and configure new devices automatically as soon as they are connected to the computer, without the need for user intervention. This typically involves the automatic installation of the necessary drivers that enable the operating system to communicate with the hardware device, making the device ready for use quickly and efficiently. Reference: Plug-and-play technology is a fundamental concept in understanding hardware and operating system interactions, as covered in the CompTIA IT Fundamentals and other basic IT educational materials.
Question 90
For which of the following is a relational database management system MOST commonly used?
Correct Answer: B
A relational database management system (RDBMS) is most commonly used for storing information in a structured and organized way. A RDBMS stores data in tables, which consist of rows and columns. Each row represents a record or an entity, and each column represents an attribute or a property of the entity. A RDBMS allows users to create, update, delete, and query data using a standard language called SQL (Structured Query Language). A RDBMS also enforces rules and constraints to ensure data integrity and consistency3465. References := CompTIA IT Fundamentals (ITF+) Study Guide, 2nd Edition, Chapter 5: Database Fundamentals2; What is RDBMS (Relational Database Management System) - Javatpoint5; What is a Relational Database Management System? | Microsoft Azure
