Thank goodness for all the community in this paid for area. So close to the end just a few hundred to go. I reckon overall its worth it just to have had sight to close to 'real' exam questions. The fact that for large parts we have to 'research' helps in itself. Though where even with community input we cant agree an answer, thats generally because the question is nonsense.....
Thanks :)
Given answers are correct :
MITM Attacks: 802.1X enforces mutual authentication to eliminate the potential of man-in-the-middle (MITM) attacks. When the client establishes the connection to the network, the access point triggers a certificate exchange to authenticate its identity.
DHCP Snooping alone does not help us limit the rate of MAC addresses learned, but DAI works with DHCP snooping , of course port security would have been a better answer for this to limit the number of MAC addresses learned via one port but in this scenario this is what we have .
Double tagging - change native VLAN
Vlan Hopping - deactivate DTP
Given answers are correct. Even the next question 971 ask the option that is vulnerable to MIDM attack and answer is telnet and what do you use to avoid the vulnerability? ssh which is authentication.
given answers are incorrect
802.1q double-tagging VLAN-hopping attack = configure the native VLAN with a nondefault VLAN ID
MAC flooding attack = configure 802.1x authenticate
man-in-the-middle spoofing attack = configure DHCP snooping
switch-spoofing VLAN-hopping attack = disable DTP
see question number 623 as well
This question is not sane.
The model answers are correct, except for the technique to mitigate against MAC flooding attack. Whilst 802.1x is all that's left, this will not work. The correct answer would be to use port security and limit the number of MACs allowed.
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