ОИС2

What is the primary purpose of a database management system (DBMS)?

• To manage hardware components

• To store, manage, and retrieve data

• To run operating systems

• To create new software

What is the function of a relational database?

• To store data in tables with relationships

• To analyze financial data

• To execute complex algorithms

• To store files

Which SQL clause is used to filter records in a query?

• FROM

• SELECT

• WHERE

• JOIN

What is normalization in the context of databases?

• Combining data tables

• Organizing data to reduce redundancy

• Ensuring data is encrypted

• Backing up data

What is the main function of an operating system?

• To manage applications

• To process data

• To create databases

• To manage hardware and software resources

What is the purpose of an IP address in computer networks?

• To identify devices on a network

• To store network data

• To assign permissions to users

• To protect network data

What is cloud computing?

• Computing in the office environment

• Using local storage for applications

• Using remote servers for data storage and processing

• A type of software development

What does the term 'big data' refer to?

• Small data files

• Large volumes of structured and unstructured data

• Data stored in spreadsheets

• Data stored in simple text files

What is the role of a firewall in network security?

• To block unauthorized access

• To encrypt network traffic

• To manage network traffic

• To store security data

What is the key difference between a virus and a worm?

• A virus is faster

• A virus needs a host program, while a worm can self-replicate

• A worm spreads only through email

• A worm infects hardware, while a virus infects software