Category: IT

1. Router 2. Switch 3. Hub 4. Modem 5. Firewall 6. Access Point (AP) 7. Bridge 8. Gateway 9. NIC

1. IEEE 802.3 – Ethernet 2. IEEE 802.11 – Wi-Fi (Wireless Local Area Network) 3. IEEE 802.15 – Wireless Personal

Infrared (IR) technology is a form of electromagnetic radiation that exists just beyond the visible light spectrum, with wavelengths ranging

Bluetooth is a wireless communication technology used for short-range data exchange between devices. It allows devices like smartphones, computers, tablets,

Wi-Fi (short for Wireless Fidelity) is a technology that allows devices to connect to the internet or local area networks

Both Manchester Encoding and Differential Manchester Encoding are types of line coding techniques that are used to encode data for

In computer networks, coding schemes are used to convert digital data into signals that can be transmitted over a communication

1. What is the default port for the DNS (Domain Name System) query service? a) 80b) 443c) 53d) 21 Answer:

1. What is the default port number for HTTP? a) 23b) 80c) 443d) 21 Answer: b) 80 2. Which port

SNMP (Simple Network Management Protocol) is an internet-standard protocol used for managing devices on IP networks, such as routers, switches,