300-720 Question #110: Real Exam Question with Answer & Explanation

The correct answer is D: Bounce Verification. Enabling Bounce Verification is a very good way to combat backscatter/bounce attacks. The concept behind bounce verification is simple. First, mark up messages leaving your ESA. Look for that markup on any bounce messages, if the markup is present, it means that this is a bounce

Cisco ESA Bounce Profiles and Delivery

Question

Which feature must be activated on a Cisco ESA to combat backscatter?

Options

AGraymail Detection
BBounce Profile
CForged Email Detection
DBounce Verification

Explanation

Enabling Bounce Verification is a very good way to combat backscatter/bounce attacks. The concept behind bounce verification is simple. First, mark up messages leaving your ESA. Look for that markup on any bounce messages, if the markup is present, it means that this is a bounce of a message that originated in your environment. If the markup is missing, the bounce is fraudulent and can be rejected or dropped. 1/user_guide/b_ESA_Admin_Guide_11_1/b_ESA_Admin_Guide_chapter_011001.html?bookSea rch=true#con_1134690

Topics

#Cisco ESA#Backscatter#Bounce Verification#Email Delivery

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