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WorksheetsITF-all Domain
Total questions: 137
Worksheet time: 3hrs 26mins
Which of the following is NOT a common type of input/output device interface?
Ethernet connector (RJ-45)
USB
FireWire
Bluetooth
What is the purpose of an operating system?
To interface between applications and hardware
To manage disk and memory resources
To provide security and access control
All of the above
What is the purpose of encryption?
To ensure data confidentiality
To prevent unauthorized access
To protect data integrity
All of the above
What is the purpose of a database?
To create, import, query, and generate reports from data
To store files and documents
To manage network connections
To provide internet access
What is the main concern of security?
Confidentiality
Integrity
Availability
All of the above
What is the purpose of authentication?
To verify the identity of a user
To grant access to resources
To ensure data confidentiality
All of the above
What is the purpose of a UPS (Uninterruptable Power Supply)?
To provide backup power in case of a power outage
To protect against data loss
To prevent hardware failure
All of the above
What is the purpose of a firewall?
To monitor and control network traffic
To prevent unauthorized access
To protect against malware
All of the above
What is the purpose of a router?
The purpose of a router is to forward data packets between computer networks.
The purpose of a router is to store and manage data packets.
The purpose of a router is to provide wireless internet access.
The purpose of a router is to connect multiple devices to the internet.
What is the purpose of a proxy server?
The purpose of a proxy server is to block access to certain websites.
The purpose of a proxy server is to act as an intermediary between a client and a server.
The purpose of a proxy server is to speed up internet connection.
The purpose of a proxy server is to encrypt data between a client and a server.
What is the purpose of a virtual machine?
The purpose of a virtual machine is to improve the performance of a single operating system.
The purpose of a virtual machine is to reduce the cost of physical hardware.
The purpose of a virtual machine is to provide a flexible and isolated environment for running different operating systems and applications without the need for separate physical hardware.
The purpose of a virtual machine is to provide a secure environment for storing data.
