Answer: a. RADIUS
Explanation:
RADIUS as developed with the idea of allowing its users or clients to be able to authenticate to a dial-in access server. So basically it is a client server protocol and he client here is the firebox and the server is the RADIUS server.
The authentication mechanism start by user who sends a message to the RADIUS server. Then the RADIUS server upon receiving the message accept or denies it. It accepts if the client is configured to the server.
A large amount of additional information can be sent by the RADIUS server in its Access-Accept messages with users so we can say that RADIUS is uitable for what are called "high-volume service control applications" such as dial-in access to a corporate network.
Some proteins must be altered before they become functional.
<span>Filter installation in
ADSL setup, the DSL filters should on connections leading to an analog phone.
The DSL modem and phone were share on the same jack. ADSL is a type of digital
subscriber line machinery, a data communication that enables faster data transfer
over copper telephone lines.</span>
<span>The term computer cluster denotes a combination (clustering) of two or more servers that are interconnected to appear as one. </span>In the symmetric server cluster every server perform useful work so that if one fails, the remaining servers take on the additional load.
<span>In this type of cluster system all N hosts are running the application.</span>