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108.1 Define the following devices and their uses
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a. Host/Client: A host provides the service to the client who is in need of a certain service or function.
b. Application Server: Provides remote application services to clients who request it in a network environment.
c. Hub: A network hub or repeater hub is a device for connecting multiple twisted pair or fiber optic Ethernet devices together and making them act as a single network segment.
d. Switch: Is a hardware device that joins multiple computers together within one local area network (LAN).
e. Router: a router is defined as a device that selects the best path for a data packet to be sent from one computer network to another.
f. WAP: A Wireless Access Point is a device that allows wireless devices to connect to a network via Wi-Fi.
g. Proxy Server: A buffer between the internet and a user to improve security by making requests to other servers for the client, and by evaluating, filtering the requests, and caching information.
h. Firewall: A security device that all traffic coming into and leaving a network traverses, and according to rules, filters and allows only approved traffic.
i. VPN Concentrator: A Virtual Private Network concentrator is a network device that allows a user to remotely access the network in a secure tunnel.
j. Back-up: Copy of settings, or software that is created in case there is an issue with the current data, and the current data needs to be restored.
k. Repeater: A network device that allows for a network cable to be lengthened further than what the cable standard would normally allow, by refreshing the signal and resending it.
b. Application Server: Provides remote application services to clients who request it in a network environment.
c. Hub: A network hub or repeater hub is a device for connecting multiple twisted pair or fiber optic Ethernet devices together and making them act as a single network segment.
d. Switch: Is a hardware device that joins multiple computers together within one local area network (LAN).
e. Router: a router is defined as a device that selects the best path for a data packet to be sent from one computer network to another.
f. WAP: A Wireless Access Point is a device that allows wireless devices to connect to a network via Wi-Fi.
g. Proxy Server: A buffer between the internet and a user to improve security by making requests to other servers for the client, and by evaluating, filtering the requests, and caching information.
h. Firewall: A security device that all traffic coming into and leaving a network traverses, and according to rules, filters and allows only approved traffic.
i. VPN Concentrator: A Virtual Private Network concentrator is a network device that allows a user to remotely access the network in a secure tunnel.
j. Back-up: Copy of settings, or software that is created in case there is an issue with the current data, and the current data needs to be restored.
k. Repeater: A network device that allows for a network cable to be lengthened further than what the cable standard would normally allow, by refreshing the signal and resending it.