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Question 63 - PCNSE discussion

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What type of address object would be useful for internal devices where the addressing structure assigns meaning to certain bits in the address, as illustrated in the diagram?

A.
IP Netmask
Answers
A.
IP Netmask
B.
IP Wildcard Mask
Answers
B.
IP Wildcard Mask
C.
IP Address
Answers
C.
IP Address
D.
IP Range
Answers
D.
IP Range
Suggested answer: B

Explanation:

https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/policy/use-address-object-to- represent-ip-addresses/address-objectsAn IP Wildcard Mask address object is useful for internal devices where the addressing structure assigns meaning to certain bits in the address, as illustrated in the diagram. An IP Wildcard Mask address object specifies which source or destination addresses are subject to a Security policy rule. A zero ( 0 ) bit in the mask indicates that the bit being compared must match the bit in the IP addressthat is covered by the zero. A one ( 1 ) bit in the mask (a wildcard bit) indicates that the bit being compared need not match the bit in the IP address1. For example, if you want to match all cash registers in the northeastern U.S., you can use an IP Wildcard Mask address object of 10.132.1.0/0.0.2.255, which will match any IP address from 10.132.1.0 to 10.132.3.255. Reference: 1: https://docs.paloaltonetworks.com/network-security/security-policy/objects/addresses

asked 23/09/2024
Sacha CONTI
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