Question

Define (a) Switch (b) Firewall (c) HUB
(d) Network Security

Give me Full answers
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Answer 1

Switch-

(a) Switch- A switch is a device in a computer network that connects other devices together.

(b) Firewall- A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

(c) Hub - A hub is the connection point in a computer device where data from many directions converge and are then sent out in many directions to respective devices.

(d) Network security- Network security is important for home networks as well as in the business world. Most homes with high-speed internet connections have one or more wireless routers, which could be exploited if not properly secured.

Answer 2

(a) Switch

Ans - A switch is a small control for an electrical device which you use to turn the device on or off. ... Switch is also a noun. New technology made a switch to oil possible. The spokesman implicitly condemned the government's policy switch. Switch over means the same as switch.

(b) Firewall

Ans - A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules. Firewalls have been a first line of defense in network security for over 25 years. ... A firewall can be hardware, software, or both.

(c) HUB

Ans - A hub is a physical layer networking device which is used to connect multiple devices in a network. They are generally used to connect computers in a LAN. ... A computer which intends to be connected to the network is plugged in to one of these ports.

(d) Network Security

Ans - Network security is the protection of the underlying networking infrastructure from unauthorized access, misuse, or theft. It involves creating a secure infrastructure for devices, applications, users, and applications to work in a secure manner.