Match The Wildcard Mask To The ACL Statement

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| By Dave Cushing
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Dave Cushing
Community Contributor
Quizzes Created: 1 | Total Attempts: 973
| Attempts: 981
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  • 1/8 Questions

    Deny host 172.18.33.1

    • 0.0.0.0
    • 0.0.0.31
    • 0.0.0.255
    • 0.0.255.255
    • 0.255.255.255
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About This Quiz

This quiz tests understanding of ACL wildcard masks in network security. Participants match wildcard masks to specific ACL statements, enhancing skills in configuring network permissions and security measures.

Match The Wildcard Mask To The ACL Statement - Quiz

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  • 2. 

    Deny all hosts from the 172.18.0.0/16 network

    • 0.0.0.0

    • 0.0.0.31

    • 0.0.0.255

    • 0.0.255.255

    • 0.255.255.255

    Correct Answer
    A. 0.0.255.255
    Explanation
    Match the last two octets, so the wildcard is 0.0.255.255

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  • 3. 

    Deny all hosts from the 10.10.10.0/24 network

    • 0.0.0.0

    • 0.0.0.31

    • 0.0.0.255

    • 0.0.255.255

    • 0.255.255.255

    Correct Answer
    A. 0.0.0.255
    Explanation
    /24 network wildcard mask for all hosts is 0.0.0.255

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  • 4. 

    Permit all hosts from the 172.18.15.0/24 network

    • 0.0.0.0

    • 0.0.0.31

    • 0.0.0.255

    • 0.0.255.255

    • 0.255.255.255

    Correct Answer
    A. 0.0.0.255
    Explanation
    /24 network wildcard mask for all hosts is 0.0.0.255

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  • 5. 

    Permit all hosts from the 10.0.0.0/8 network

    • 0.0.0.0

    • 0.0.0.31

    • 0.0.0.255

    • 0.0.255.255

    • 0.255.255.255

    Correct Answer
    A. 0.255.255.255
    Explanation
    0.255.255.255 will match an entire /8

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  • 6. 

    Deny host 192.168.5.7

    • 0.0.0.0

    • 0.0.0.31

    • 0.0.0.255

    • 0.0.255.255

    • 0.255.255.255

    Correct Answer
    A. 0.0.0.0
    Explanation
    0.0.0.0 will match exactly the complete IP address

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  • 7. 

    Permit host 10.10.10.1

    • 0.0.0.0

    • 0.0.0.31

    • 0.0.0.255

    • 0.0.255.255

    • 0.255.255.255

    Correct Answer
    A. 0.0.0.0
    Explanation
    use 0.0.0.0 to match a single host IP address

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  • 8. 

    Permit all hosts from the 192.168.5.0/27 subnetwork

    • 0.0.0.0

    • 0.0.0.31

    • 0.0.0.255

    • 0.0.255.255

    • 0.255.255.255

    Correct Answer
    A. 0.0.0.31
    Explanation
    255.255.255.255 - 255.255.255.224 = 0.0.0.31 (subtract the subnet masks)

    Rate this question:

Quiz Review Timeline (Updated): Mar 20, 2023 +

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 01, 2018
    Quiz Created by
    Dave Cushing
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