computer network Network Devices and tools Leave a Comment / By admin / November 13, 2024 Welcome to your computer network Network Devices and tools Name Email 1. computer network,MCQ . Which of the following device connects multiple networks and directs data between them? Hub Switch Router Modem None 2. computer network,MCQ Which network device operates at the Data Link layer (Layer 2) of the OSI model? Switch Router Modem Firewall None 3. computer network,MCQ What is the function of a modem in a network? Converts digital signals to analog signals and vice versa Connects computers within a local network Filters unauthorized traffic Amplifies network signals None 4. computer network,MCQ Which of the following network tools is used to check connectivity between two network devices? Ping Firewall Switch Router None 5. computer network,MCQ Which of the following network tools is used for crimping RJ45 connectors to Ethernet cables? Cable Tester Wire Stripper Crimping Tool Multimeter None 6. computer network,MCQ What is the main purpose of a Network Interface Card (NIC)? To increase computer processing speed To connect a computer to a network To store data To manage hardware resources None 7. computer network,MCQ Which layer of the OSI model does the hub operate at? Physical Layer Application Layer Network Layer Data Link Layer None 8. computer network,MCQ A bridge operates at layer(s) _________ of the OSI model. 1 1 and 2 1, 2, and 3 1 through 7 None 9. computer network,MCQ Which of the following is an example of guided transmission media? Radio waves Optical fiber Microwave Satellite None 10. computer network,MCQ Which of the following transmission media uses light to transmit data? Coaxial cable Optical fiber Twisted pair cable Radio waves None 11. computer network,MCQ Which of the following is an example of unguided transmission media? Coaxial cable Optical fiber Radio waves Twisted pair cable None 12. computer network,MCQ Which of the following transmission media operates over the air without the use of cables or wires? Twisted pair cable Coaxial cable Microwave Optical fiber None 13. computer network,MCQ Which of the following transmission modes is used when data is transmitted in both directions, but not at the same time? Simplex Half-Duplex Full-Duplex Bidirectional None 14. computer network,MCQ Which transmission mode allows data to flow in only one direction from the sender to the receiver? Simplex Half-Duplex Full-Duplex Bidirectiona None 15. computer network,MCQ In which transmission mode can both the sender and receiver transmit data simultaneously? Simplex Half-Duplex Full-Duplex Unidirectional None 16. computer network,MCQ Which of the following is an example of a half-duplex transmission mode? TV broadcast Radio transmission Walkie-talkie communication Telephone conversation None 17. computer network,MCQ In full-duplex transmission, what is the characteristic of data flow? Data flows in one direction only. Data flows in both directions but not simultaneously. Data flows in both directions simultaneously. No data flow occurs. None 18. computer network,MCQ Which of the following transmission modes is most commonly used in telephone systems? Simplex Half-Duplex Full-Duplex Bidirectional None 1 out of 2 Time's up
