MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -A router is a device that connects two or more packet-switched networks or subnetworks. It serves two primary functions: managing traffic between these networks by forwarding data packets to their intended IP addresses, and allowing multiple devices to use the same Internet connection.

Detailed explanation-2: -A local area network (LAN) is designed to connect personal computers and other digital devices within a half mile or 500-meter radius.

Detailed explanation-3: -Speed: While PAN supports 250kbps in Zigbee and up to 24Mbps in Bluetooth, LAN supports 10, 100, and 1000 Mbps, 10Gbps, and 40Gbps transfer speeds.

Detailed explanation-4: -The hub doesn’t store any IP addresses or MAC addresses and in the hub, only one device can send data at a time.