单项选择题

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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单项选择题
WhichofthefollowingisanexampleofasecuritytechnologythatcouldbeenabledbyNetflow？（）

A. Anomaly Detection
B. SYN Cookies
C. Application Inspection
D. Content filtering
E. Anti-X Protection
F. Anti Virus
单项选择题
WhatCiscoSwitchfeaturebestprotectsagainstCAMtableoverflowattacks？（）

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