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Exam Overview
Exam Code 300-720
Exam Name Securing Email with Cisco Email Security Appliance
Vendor Cisco
Total Questions 147
Last Updated 26-Oct, 2026
Free 300-720 Questions Get Premium Access
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Free 300-720 Practice Questions

Explore 4 free practice questions for the Cisco 300-720 exam and review the answers and explanations to support your preparation.

  1. Question 1

    Multiple answers

    When email authentication is configured on Cisco ESA, which two key types should be selected on the signing profile? (Choose two.

    • Option A:
      DKIM
      Correct
    • Option B:
      Public Keys
      Correct
    • Option C:
      Domain Keys
      Correct
    • Option D:
      Symmetric Keys 
      Correct
    • Option E:
      Private Keys 
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: B, E

    Explanation

    With DomainKeys or DKIM email authentication, the sender signs the email using public key cryptography. Configuring DomainKeys and DKIM Signing A signing key is the private key stored on the appliance. https://www.cisco.com/c/en/us/td/docs/security/esa/esa11- 1/user_guide/b_ESA_Admin_Guide_11_1/b_ESA_Admin_Guide_chapter_010101.html?bookSearch =true

  2. Question 2

    Single answer

    Which benefit does enabling external spam quarantine on Cisco SMA provide? 

    • Option A:
      ability to back up spam quarantine from multiple Cisco ESAs to one central console
      Correct
    • Option B:
      access to the spam quarantine interface on which a user can release, duplicate, or delete
      Correct
    • Option C:
      ability to scan messages by using two engines to increase a catch rate
      Correct
    • Option D:
      ability to consolidate spam quarantine data from multiple Cisco ESA to one central console
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: D

    Explanation

    External spam quarantine is a feature that allows Cisco SMA to store and manage spam messages quarantined by multiple Cisco ESAs in one central location, providing a unified view and administration of the spam quarantine data. Reference: User Guide for AsyncOS 15.0 for Cisco Secure Email Gateway, page 10-3. Reference: https://www.cisco.com/c/en/us/td/docs/security/security_management/sma/sma11- 0/user_guide/ b_SMA_Admin_Guide/b_SMA_Admin_Guide_chapter_010101.html 

  3. Question 3

    Single answer

    When the Spam Quarantine is configured on the Cisco ESA, what validates end-users via LDAP during login to the End-User Quarantine? 

    • Option A:
       Enabling the End-User Safelist/Blocklist feature
      Correct
    • Option B:
      Spam Quarantine External Authentication Query
      Correct
    • Option C:
      Spam Quarantine End-User Authentication Query
      Correct
    • Option D:
      Spam Quarantine Alias Consolidation Query 
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: C

    Explanation

    Spam Quarantine End-User Authentication Query is a query that Cisco ESA performs against an LDAP server to validate the end-user credentials during login to the End-User Quarantine. Reference: User Guide for AsyncOS 15.0 for Cisco Secure Email Gateway, page 10-9. Reference: https://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/118692- configure- esa-00.html 

  4. Question 4

    Single answer

    Which feature utilizes sensor information obtained from Talos intelligence to filter email servers connecting into the Cisco ESA?

    • Option A:
       SenderBase Reputation Filtering
      Correct
    • Option B:
      Connection Reputation Filtering
      Correct
    • Option C:
      Talos Reputation Filtering
      Correct
    • Option D:
      SpamCop Reputation Filtering
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A

    Explanation

    SenderBase Reputation Filtering is a feature that allows Cisco ESA to reject or throttle connections from email servers based on their reputation score, which is calculated by Talos using sensor information from various sources. Reference: User Guide for AsyncOS 15.0 for Cisco Secure Email Gateway, page 6-2.