單項選擇題What Cisco technology protects against Spanning-Tree Protocol manipulation？（）

A. Spanning tree protect
B. Root Guard and BPDU Guard
C. Unicast Reverse Path Forwarding
D. MAC spoof guard
E. Port Security


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1.單項選擇題Which of the following is an example of a security technology that could be enabled by Netflow？（）

A. Anomaly Detection
B. SYN Cookies
C. Application Inspection
D. Content filtering
E. Anti-X Protection
F. Anti Virus

2.單項選擇題What Cisco Switch feature best protects against CAM table overflow attacks？（）

A. Storm Control
B. Port security
C. CAM table size definition
D. IP spoof prevention
E. Network Based Application Recognition

4.單項選擇題ASDM on the ASA platform is executed as：（）

A. An active-x applicationor a java script application
B. A java script application and a PHP application.
C. A fully compiled .NET framework application
D. A fully operational Visual Basic application
E. A java applet running in the context of your browser or a stand alone application using the java run-timeenvironment

5.單項選擇題What is true about SYN cookies？（）

A. All TCPoptions are supported， such as largewindows.
B. The server can have more than8 unique MSS values.
C. SYN cookies are not implemented as a method of defending against SYN floods.
D. SYN cookies are implemented as a method of defending against SYN floods.