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单选题
The Company is concerned about Layer 2 security threats. Which statement is true about these threats？ （）
A
MAC spoofing attacks allow an attacking device to receive frames intended for a different network host.
B
Port scanners are the most effective defense against dynamic ARP inspection.
C
MAC spoofing, in conjunction with ARP snooping, is the most effective counter-measure against reconnaissance attacks that use dynamic ARP inspection (DAI) to determine vulnerable attack points.
D
Dynamic ARP inspection in conjunction with ARP spoofing can be used to counter DHCP snooping attacks.
E
DHCP snooping sends unauthorized replies to DHCP queries.
F
ARP spoofing can be used to redirect traffic to counter dynamic ARP inspection.
G
None of the other alternatives apply.
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更多 “单选题The Company is concerned about Layer 2 security threats. Which statement is true about these threats？ （）A MAC spoofing attacks allow an attacking device to receive frames intended for a different network host.B Port scanners are the most effective defense against dynamic ARP inspection.C MAC spoofing, in conjunction with ARP snooping, is the most effective counter-measure against reconnaissance attacks that use dynamic ARP inspection (DAI) to determine vulnerable attack points.D Dynamic ARP inspection in conjunction with ARP spoofing can be used to counter DHCP snooping attacks.E DHCP snooping sends unauthorized replies to DHCP queries.F ARP spoofing can be used to redirect traffic to counter dynamic ARP inspection.G None of the other alternatives apply.” 相关考题
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The Company is concerned about Layer 2 security threats. Which statement is true about these threats？ （）A、 MAC spoofing attacks allow an attacking device to receive frames intended for a different network host.B、 Port scanners are the most effective defense against dynamic ARP inspection.C、 MAC spoofing, in conjunction with ARP snooping, is the most effective counter-measure against reconnaissance attacks that use dynamic ARP inspection (DAI) to determine vulnerable attack points.D、 Dynamic ARP inspection in conjunction with ARP spoofing can be used to counter DHCP snooping attacks.E、 DHCP snooping sends unauthorized replies to DHCP queries.F、 ARP spoofing can be used to redirect traffic to counter dynamic ARP inspection.G、 None of the other alternatives apply.
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When using a Layer 2 loop-free design， VLANs are extended into the aggregation layer.C
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