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Exam 300-115 All Questions

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Exam 300-115 topic 5 question 280 discussion

Actual exam question from Cisco's 300-115
Question #: 280
Topic #: 5
[All 300-115 Questions]

Which statement is true about Layer 2 security threats?

  • A. MAC spoofing, in conjunction with ARP snooping, is the most effective counter-measure against reconnaissance attacks that use Dynamic ARP Inspection to determine vulnerable attack points.
  • B. DHCP snooping sends unauthorized replies to DHCP queries.
  • C. ARP spoofing can be used to redirect traffic to counter Dynamic ARP Inspection.
  • D. MAC spoofing attacks allow an attacking device to receive frames intended for a different network host.
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Suggested Answer: D 🗳️
First of all, MAC spoofing is not an effective counter-measure against any reconnaissance attack; it IS an attack! Furthermore, reconnaissance attacks don't use dynamic ARP inspection (DAI); DAI is a switch feature used to prevent attacks.
Reference: Layer 2 Security Features on Cisco Catalyst Layer 3 Fixed Configuration Switches Configuration Example (http://www.cisco.com/en/US/products/hw/ switches/ps5023/products_configuration_example09186a00807c4101.shtml

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CiscoNinja
5 years, 3 months ago
C is the correct answer. MAC Spoofing has to be done in the same LAN
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