No
There are various services that ensure authentication during logon. Examples of these are Java Authentication and Authorization Service and Kerberos.
You can get a coin authenticated by reaching out to professional coin grading services or numismatic experts. These professionals have the expertise and tools to accurately assess and authenticate coins based on their condition, rarity, and authenticity. It is important to choose a reputable and established service to ensure a reliable authentication process.
It is a centralized authentication service provided by Microsoft.This method of authentication uses Microsoft's Passport service to authenticate users. When you use Passport authentication, a user must have a valid Passport account to access the application.
proving to the service that you are who you say you are.
No, NAS Coin Grading is not a widely recognized or reputable grading company in the numismatic industry. It is important to use grading services from well-known and respected companies such as PCGS (Professional Coin Grading Service) or NGC (Numismatic Guaranty Corporation) for accurate and trusted grading results.
Safenet is a data protection company. They provide this service to governments and financial companies. Data protection services include authentication services.
A person would have to submit their coin to an authentication service. Then the service would prove if the coin is real or not and give a proof of authenticity if the coin was authentic.
To get coins graded, you can send them to reputable grading companies such as the Professional Coin Grading Service (PCGS), Numismatic Guaranty Company (NGC), or the American Numismatic Association’s grading service. Each of these organizations has specific submission guidelines and forms available on their websites. Typically, you’ll need to package your coins securely, fill out the necessary paperwork, and pay the grading fees before mailing them in. Always review the latest instructions and requirements from the grading service you choose.
Q5. Suppose an organization uses Kerberos for authentication. In terms of security and service availability, what is the effect if AS or TGS goes down?
authentication
dsa.msc
The Kerberos protocol consists of four main steps: Authentication Request: The user sends a request to the Key Distribution Center (KDC) for a Ticket Granting Ticket (TGT) using their username. Authentication Response: The KDC verifies the user's credentials and responds with a TGT and a session key, both encrypted with the user's password. Service Request: The user decrypts the TGT using their password and sends it, along with the session key, to the KDC to request access to a specific service. Service Response: The KDC responds with a service ticket, which the user presents to the desired service, allowing access based on the authentication provided.