单选题When a client using the SERVER_ENCRYPT authentication type connects to a server using the SERVER authentication type, what happens?（）A An error will occur.B Data passed between the client and the server is encrypted.C User IDs and passwords are passed

第1题：

Which three statements about the Cisco Easy VPN feature are true？（）

• A、If the VPN server is configured for Xauth， the VPN client waits for a username / password challenge.
• B、The Cisco Easy VPN feature only supports transform sets that provide authentication and encryption.
• C、The VPN client initiates aggressive mode （AM） if a pre-shared key is used for authentication during the IKE phase 1 process.
• D、The VPN client verifies a server username/password challenge by using a AAA authentication server that supports TACACS+ or RADIUS.
• E、The VPN server can only be enabled on Cisco PIX Firewalls and Cisco VPN 3000 series concentrators.
• F、When connecting with a VPN client，the VPN server must be configured for ISAKMP group 1，2 or 5.

第2题：

pany has implemented 802.1X authentication as a security enhancement.  Which statement is  true about 802.1x port-based authentication？（）

• A、 TACACS+ is the only supported authentication server type.
• B、 If a host initiates the authentication process and does not receive a response， it assumes it is  not authorized.
• C、 RADIUS is the only supported authentication server type.
• D、 Before transmitting data， an 802.1x host must determine the authorization state of the switch.
• E、 Hosts are required to havea 802.1x authentication client or utilize PPPoE.
• F、 None of the other alternatives apply.

第3题：

第4题：

You review the failed attempts logs on an aaa server and find： "unknown network access server error."  Which failure could produce this error？（）

• A、aaa client and aaa server handshake failure
• B、supplicant authentication failure
• C、wrong password used by the supplicant
• D、failure of the wireless client and aaa server handshake

第5题：

When a client using the SERVER_ENCRYPT authentication type connects to a server using the SERVER authentication type, what happens?（）

• A、An error will occur.
• B、Data passed between the client and the server is encrypted.
• C、User IDs and passwords are passed to the server unencrypted.
• D、User IDs and passwords are encrypted before they are passed to the server.

第6题：

Using FTP passive mode， after the client opens thecommand channel （port 21） to the FTP server and requests passive mode， what will be the next step？ （）

• A、 The FTP server sends back an acknowledgment （ACK） to the client
• B、 The FTP server allocates a port touse for the data channel and transmit that port number to the client
• C、 The FTP server opens the data channel to the client using the port number indicated by the client
• D、 The FTP client opens the data channel to the FTP server on Port 20
• E、 The FTP client opens the datachannel to the FTP server on Port 21

第7题：

Using an LDAP authentication server, what do you configure to validate certificate attributes?（）

• A、Use the "is exactly" or "contains" operators.
• B、Create a user filter matching the dn of the certificate.
• C、Verify that the certificate is issued by a publicly trusted cs.
• D、Match the certificate type and value with an attribute from the ldap server.

第8题：

第9题：

A new employee needs access to a SQL Server 2005 database that is located on a server named SQL1. You create a login named ajones by using the following Transact-SQL statement. CREATE LOGIN ajones WITH PASSWORD = ’SQLServer$1’ The new employee reports that when he logs in， he receives the following error message： "Login failed. The user is not associated with a trusted SQL Server connection." You need to resolve the error and allow the new employee to gain access to SQL1. What should you do？（）

• A、Change the SQL Server security mode from Windows Authentication mode to SQL Server and Windows authentication mode.
• B、Change the SQL Server security mode from SQL Server and Windows Authentication mode to Windows authentication mode.
• C、Ensure that the login name is created with square brackets （[]）.
• D、Give the login access to a specific database by using the CREATE USER Transact-SQL statement.

第10题：

You review the failed attempts logs on an aaa server and find： "unknown network access server error." Which failure could produce this error？（）

• A、failure of the wireless client and aaa server handshake
• B、supplicant authentication failure
• C、aaa client and aaa server handshake
• D、wrong password used by the supplicant