EC-Council
EC0-350 · Question #752
EC0-350 Question #752: Real Exam Question with Answer & Explanation
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Question
Study the log given in the exhibit, Precautionary measures to prevent this attack would include writing firewall rules. Of these firewall rules, which among the following would be appropriate?
Exhibit
Options
- ADisallow UDP 53 in from outside to DNS server
- BAllow UDP 53 in from DNS server to outside
- CDisallow TCP 53 in form secondaries or ISP server to DNS server
- DBlock all UDP traffic
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