.Question 1Which of the following protocols employs a key distribution center (KDC) that consists of two logically distinct parts, an authentication server (AS) and a ticket-granting server (TGS), and uses “tickets” to prove a user’s identity? 1 pointLM authentication NTLM authentication Kerberos authentication Security accounts manager (SAM) 2.Question 2Which of the following protocols was upgraded as a default authentication protocol on Windows OS to provide stronger authentication for client/server applications? 1 pointS/MIME Kerberos

What does a Kerberos authentication server issue to a client that successfully authenticates?A digital certificateAn encryption keyA ticket-granting ticketA master password

What is used to request access to services in the Kerberos process?1 pointTGS session keyClient-to-Server ticket Ticket Granting Ticket Client ID

What mechanism does Kerberos employ to prevent 'replay attacks'?Public-key encryptionTime-stamped ticketsCertificate-based authenticationContinuous key exchange

Fill in the blank: The authentication server is to authentication as the ticket granting service is to _____.

Which of the following is a characteristic feature of the Needham-Schroeder protocol used in KDC operations?Asymmetric key cryptographySymmetric key cryptographyQuantum key distributionBlockchain technology