user and organizations can be authenticated upon their IP-address without having to enter username and password
RADIUS requires port-based authentication.
Yes, RADIUS requires port-based authentication.
The most common form of authentication is the password based authentication
Authentication !) form based Authentication 2) Windows " " 3) Passport "
An ID card portrays authentication based upon something the user has.
No
Authentication is based upon either:Something you know (such as a PIN).Something you have (such as an ID card).Something you are (such as a fingerprint, retina scan or DNA sample).Preferably, authentication will combine two or more of the three.
Identity based authentication or Role based authentication using magnetic card stripes can be used, or some other difficult to forge encoding, to gain access to buildings.
Port-based authentication is a form of "security by obscurity" wherein any device connecting to a system via the selected port is assumed to have authority to access said system. This can be dangerous if the port is randomly guessed, or shared by an someone who has previously been authorized. In this way, port-based authentication is equivalent to using a weak (or even default) password.
L2TP is a tunneling protocol for an IP network. L2 data is transmitted over the network but has no encryption or authentication abilities. This type of protocol is usually paired with IPSec to provide encryption and authentication.
Not always. Authentication is based upon one or more of the following:Something the user knows (such as a PIN).Something the user has (such as an ID card).Something the user is (such as a fingerprint).
The currently used TCP/IP is based on IP version 4. IP version 6 already exists, but its adoption is fairly slow for now.The currently used TCP/IP is based on IP version 4. IP version 6 already exists, but its adoption is fairly slow for now.The currently used TCP/IP is based on IP version 4. IP version 6 already exists, but its adoption is fairly slow for now.The currently used TCP/IP is based on IP version 4. IP version 6 already exists, but its adoption is fairly slow for now.