1 What is the main purpose of a firewall in network security? A To speed up the network B To block unauthorized access C To store backup data D To connect to the internet
2 What is encryption used for in network security? A To compress data B To convert data into a secret code C To delete viruses D To increase network speed
3 Which network topology connects each device to a central hub or switch? A Bus topology B Ring topology C Star topology D Mesh topology
4 Which of the following is an example of a word processing software? A Microsoft Word B Microsoft Excel C Windows D Disk cleanup
5 Which software is used to remove unnecessary files from a computer to free up space? A Disk Cleanup B Word Processing Software C Spreadsheet Software D Graphic Design Software
6 Which OSI layer is responsible for routing packets between networks? A Physical layer B Data link layer C Network layer D Transport layer
7 Which utility program is used to reduce the size of files? A Disk Cleanup B Backup software C File compression tool D Device driver
8 Disk cleanup is used to: A Remove unnecessary files from the disk B Create a backup of files C Compress files D Design graphics
9 Which transmission mode allows data to flow in both directions simultaneously? A Simplex B Half-duplex C Full-duplex D Broadcast
10 Which of the following is a key difference between system software and application software? A System software runs the computer, application software performs user tasks B Application software runs the computer, system software performs user tasks C Both are the same D System software is only for games
11 Which of the following is an example of graphic design software? A MS Word B MS Excel C Adobe Photoshop D Windows
12 Which of the following is an objective of computer networks? A To isolate computers B To share resources and information C To increase the cost of communication D To reduce data storage options
13 What is a set of rules that governs data communication called? A Protocol B Topology C Medium D Network
14 Which of the following is graphic design software? A MS Word B MS Excel C Adobe Photoshop D Disk cleanup
15 What is software? A Physical parts of a computer B A set of instructions that tells the computer what to do C A type of hardware D An input device
16 What does IPv4 stand for? A Internet Protocol version 4 B Internet Provider version 4 C Internal Protocol version 4 D Internet Process version 4
17 Which of the following is a word processing software? A Microsoft Excel B Microsoft Word C Adobe Photoshop D Windows
18 Which of the following is an operating system? A Microsoft Word B Windows C Microsoft Excel D Adobe Photoshop
19 Which of the following is key to network security? A Sharing passwords with everyone B Using antivirus software C Disabling firewalls D Using weak passwords
20 Which of the following is application software? A Utility program B Device driver C Operating system D Spreadsheet software
21 Which device is used to connect multiple networks and find the best path for data? A Switch B Router C Access Point D Hub
22 In which topology do all devices connect to a single central cable? A Star Topology B Ring Topology C Bus Topology D Mesh Topology
23 What does IP stand for in the context of computer networks? A Internet Provider B Internal Protocol C Internet Protocol D Information Protocol
25 Which utility program removes unnecessary files from a computer to free up space? A Backup software B File compression tool C Disk cleanup D Word processor