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21 Cards in this Set
- Front
- Back
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Routing and Remote Access uses several protocols to perform authentication, and also allows for the use of Extensible Authentication Protocols, through which you can load _-_ _.
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third-party protocols
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The _ uses clear-text passwords.
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Password Authentication Protocol (PAP)
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PAP protocol provides _ protection against unauthorized access.
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little
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SPAP
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The Shiva Password Authentication Protocol
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_-_ _ encryption mechanism employed by Shiva
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two-way reversible
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SPAP _ the _ data that is sent between the client and server and is, therefore, more secure than _
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encrypts
password PAP |
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CHAP
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Challenge Handshake Authentication Protocol
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Message Digest 5 [MD5]-CHAP
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CHAP
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CHAP is a _-_ authentication protocol
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challenge-response
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CHAP uses the industry-standard _ _-_ encryption scheme to encrypt the _, providing a _level of protection against unauthorized access
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MD5 one-way
response medium |
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How CHAP works: Step 1
The authentication process works as follows: The _ _ _sends a challenge-consisting of a _ _ and an arbitrary _ _-to the remote access client. |
remote access server
session identifier challenge string |
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How CHAP works: Step 2
The _ _ _ sends a response that contains the _ _and a _-_ _ of the challenge string, the session identifier, and the password. |
remote access client
user name one-way encryption |
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How CHAP works: Step 3
The remote access server _ _ _, and, if valid, allows the connection. |
checks the response
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MS-CHAP
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Microsoft Challenge Handshake Authentication Protocol
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(MS-CHAP) is a _-_, _ password authentication protocol.
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-way, encrypted
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If the server uses MS-CHAP as the authentication protocol, it can use _ to encrypt data to the client or server
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MPPE
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Microsoft Point-to-Point Encryption
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(MPPE)
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On a remote access server running Windows 2000, _ is enabled by default.
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MS-CHAP
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MS-CHAP v2 provides _ _, stronger initial data encryption keys, and _ _ keys for sending and receiving.
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mutual authentication
different encryption |
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For VPN connections, Windows 2000 Server offers _ before offering _. Windows 2000 _ and VPN connections can use _.
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MS-CHAP v2
MS-CHAP dial-up MS?CHAP v2 |
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Computers running _ and _ can use MS?CHAP v2 authentication for _ connections only.
Lesson Overview Standard Authentication Protocols Extensible Authentication Protocols Assessment |
NT
Win98 VPN |
