Which two features does TACACS+ support? (Choose two.)
A. PAP and CHAP authentication
B. decentralizing network access management, reducing the potential impact of a security breach to a central device
C. encrypting the entire TCP packet containing TACACS+ information
D. UDP communication between the network access server and the security server
E. combining authorization and authentication to streamline AAA services
http://www.ciscopress.com/articles/article.asp?p=170744&seqNum=4
TACACS+ has the following features:
* TCP packets for reliable data transport—TACACS+ uses TCP as the communication protocol between the remote client and security server.
* —Supports the AAA architecture
* Link is encrypted—The data payload of IP packets (TCP packets) is encrypted for security and is stored in encrypted form in the remote security database.
* —Supports PAP, CHAP, and MS-CHAP authentication
* —Useful for both LAN and WAN security