Which of the following is used to securely transfer files over the internet?
Answer(s): C
Encryption ensures that files are securely transferred over the internet by making the data unreadable to unauthorized users during transmission.Other options:Compression reduces file size,Permissions control access but don't secure transmission,Email is a method of transfer but not inherently secure without encryption.
A user is writing code to calculate the amount of pay for each worker at a company. The pay rate is the same for all workers. The code will use the formulaamount_of_pay = nunber_of_hours * pay_rateWhich of the following should be used in the code to represent pay_rate?
Since pay_rate is the same for all workers and does not change, it should be represented as a constant in the code. Constants are fixed values that do not change during program execution.Other options:Object represents complex data structures,Function performs actions or calculations,Array holds multiple values, often varying per index.
Which of the following can be used to stop an application that is no longer responding?
Answer(s): B
Task management (such as using Task Manager in Windows) allows users to view and stop unresponsive applications.Other options:Access management controls user permissions,Disk management handles storage devices,Device management manages hardware components.
A user is creating a simple, static web page. Which of the following language types should the user use?
Answer(s): D
A markup language like HTML is used to create simple, static web pages, defining the structure and layout of the content.Other options:Query languages retrieve data (e.g., SQL),Assembly is low-level programming,Scripting adds interactivity but isn't needed for static pages.
An employee is working on a database and wants to retrieve specific information. Which of the following should the employee use?
A query is used to retrieve specific information from a database by asking structured questions (typically using SQL).Other options:Big data refers to large, complex data sets,Input refers to data entered into a system,Scale relates to system growth or size.
A group wants to store data while collaborating on a project. Which of the following is the best option to enable high availability of the data?
Answer(s): A
Cloud storage provides high availability, allowing multiple users to access and collaborate on data anytime and from anywhere with an internet connection.External hard drives, flash drives, and local backups are limited to physical access and do not support real-time collaboration or high availability.
A user wants to use virtualization on a local workstation. Which of the following best describes the technology that will be used?
A hypervisor is the technology that enables virtualization on a local workstation by allowing multiple guest operating systems to run on a single physical machine.Other options:Guest OS is what runs inside the virtual machine,Cloud and SaaS are remote services, not local virtualization technologies.
An application is unresponsive. Which of the following will close the application?
Task management tools (like Task Manager in Windows) allow users to forcefully close unresponsive applications.Other options:System utilities are general maintenance tools,Remote assistance helps another user access the system,File permissions control access to files, not running applications.
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