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Exam 300-720 topic 1 question 128 discussion

Actual exam question from Cisco's 300-720
Question #: 128
Topic #: 1
[All 300-720 Questions]

An administrator needs to configure a Cisco ESA to verify that a specific mail server is authorized to send emails for a domain. To reduce overhead, the administrator does not want SSL type encryption or decryption to be used in this process. What must be configured on the Cisco ESA to meet this requirement?

  • A. DomainKeys Identified Mail
  • B. PKI signing keys
  • C. Asymmetric keys
  • D. Sender Policy Framework
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Suggested Answer: D 🗳️
by GVKD at June 22, 2023, 10:17 p.m.

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GVKD
1 year ago
Selected Answer: D
Correct. SPF and SIDF are methods for verifying authenticity of email based on DNS records. SPF and SIDF allow the owner of an Internet domain to use a special format of DNS TXT records to specify which machines are authorized to transmit email for that domain. https://www.cisco.com/c/en/us/td/docs/security/esa/esa14-0/user_guide/b_ESA_Admin_Guide_14-0/b_ESA_Admin_Guide_12_1_chapter_010110.html?bookSearch=true#con_1148397
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