MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -What Is a Hub? A hub is the least intelligent of the three hardware devices. It serves as a connection point for the computers (and other devices such as printers) in a network. A hub simply passes along the traffic it receives to the computers connected to it.

Detailed explanation-2: -A router can link both LAN as well as WAN. Device Type: The hub is the least intelligent device as it simply passes a received data packet to all the devices connected to it. Both, the switch and router are considered as the intelligent devices as they send the received data packets to appropriate devices.

Detailed explanation-3: -Expert-Verified Answer. The correct answer is option (d) Modem. Explanation: Modem is not network device.

Detailed explanation-4: -Router. A router is a hardware device that allows you to connect several computers and other devices to a single Internet connection, which is known as a home network. Many routers are wireless, which allows you to create a home wireless network, commonly known as a Wi-Fi network.

Detailed explanation-5: -Traceroute, Ping, MTR, and PathPing are network tools or utilities that use the ICMP protocol to perform testing to diagnose issues on a network. Internet Control Message Protocol (ICMP) is an error reporting and diagnostic utility.