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Which two of the following protocols are most commonly found in AAA? (Choose two.)

  • TCP/IP
  • TACACS+
  • OSPF MD5
  • RADIUS
  • IPSEC
Explanation & Hint:

In the context of AAA, which stands for Authentication, Authorization, and Accounting, the two protocols most commonly associated are:

  1. TACACS+ (Terminal Access Controller Access-Control System Plus)
    • TACACS+ is a protocol developed by Cisco and is commonly used for network device access control. It separates authentication, authorization, and accounting processes for more flexible control over access management.
  2. RADIUS (Remote Authentication Dial-In User Service)
    • RADIUS is an industry-standard protocol for AAA services. It is widely used for network access authentication and accounting, and is supported by a vast number of networking vendors.

The other protocols listed are not primarily associated with AAA services:

  • TCP/IP refers to the suite of communication protocols used to connect hosts on the Internet. It is not specific to AAA.
  • OSPF MD5 refers to the use of MD5 hashing to secure OSPF (Open Shortest Path First) routing information, not to AAA services.
  • IPSEC is a suite of protocols for securing internet protocol (IP) communications by authenticating and encrypting each IP packet in a data stream. It is more about securing data communications than providing AAA services.

For more Questions and Answers:

Network Security Post-Assessment | CBROPS

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