COMPUTER FUNDAMENTALS

COMPUTER NETWORKS AND COMMUNICATIONS

NETWORK DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents?
A
Router
B
Repeater
C
Switch
D
Gateway
Explanation: 

Detailed explanation-1: -A hub and a repeater send signals out all other ports. These devices do not examine the frame or the packet contents.

Detailed explanation-2: -A hub operates at OSI model Layer 1 (Physical layer). It regenerates electrical signals and sends those signals out all hub ports without regard to the upper-layer data.

Detailed explanation-3: -A hub is simply a multiport Ethernet repeater that operates at the physical–or Layer 1–segment of the OSI model. When the hub receives information from a sending device, it simply repeats, or broadcasts, that same information out all ports on the hub.

Detailed explanation-4: -A switch transmits data from one device to another in form of frames while a router transmits data from one network to another in form of packets.

Detailed explanation-5: -Which of the following utilities can you use to monitor, update, and manage all your hardware devices on a Windows computer? EXPLANATION You can use Device Manager to monitor, update, and manage all your hardware devices on a Windows computer.

There is 1 question to complete.