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CCNAS_Chpt3_AAA
CCNAS_Chpt3_AAA
16
Computer Networking
Undergraduate 3
04/10/2011

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Cards

Term
Answers the question "what did you do?"
Definition
Accounting
Term
Answers the question "who are you?"
Definition
Authentication
Term
Usernames and passwords are stored in a central server loc and shared among many dev's
Definition
Server-based AAA Authentication
Term
Unames and pwords are stored on teh router or switch's memory
Definition
Local AAA auth
Term
A user wants to access teh device for administrative mode
Definition
Character mode access
Term
Logs info to a server
Definition
Accounting
Term
Answers the question "what are you allowed to do?"
Definition
Authorization
Term
Privilege mode access
vty access
network AAA command
login AAA command
ppp AAA command
console access
exec AAA command
enable AAA command
Definition
Character mode
Term
dial-up
VPN
Definition
Packet mode
Term
What is the max number of auth methods permitted using AAA
Definition
4
Term
A system has 2 AAA auth methods configured, if the user is denied access by the first method, the second will be checked. T/F
Definition
False
Term
an admin issues AAA new-model but no other aaa commands. Local uname has been set, which type of login will require a password
Definition
All except the console
Term
What is a primary difference between "AAA local authentication attempts max-fail" and the "login delay" commands?
Definition
The aaa command locks the user out until teh admin releases the account, whereas login delay does not require intervention
Term
Entire packet is encrypted
router command auth per-user or per-group
separates all components of AAA
TCP port 49
Bidirectional challenge and response
Primarily Cisco supported
limited accounting
Definition
TACACS+
Term
Unidirectional server challenge response
Supports 802.1x and SIP
Uses port 1645 or 1812 for authorization
Combines authenticaiton and authorization, separates accounting
Only the password is encrypted
UDP port 1646 or 1813 for accounting
Extensive Accounting
Definition
RADIUS
Term
Cisco's AAA server is called...
Definition
Cisco Secure ACS
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