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Exam PCNSE topic 1 question 225 discussion

Actual exam question from Palo Alto Networks's PCNSE
Question #: 225
Topic #: 1
[All PCNSE Questions]

When an in-band data port is set up to provide access to required services, what is required for an interface that is assigned to service routes?

  • A. You must set the interface to Layer 2, Layer 3, or virtual wire.
  • B. The interface must be used for traffic to the required services.
  • C. You must use a static IP address.
  • D. You must enable DoS and zone protection.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️

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homersimpson
Highly Voted 2 years, 10 months ago
Selected Answer: C
ref: https://live.paloaltonetworks.com/t5/general-topics/service-route-and-dhcp-interface/td-p/410874 "Only static ip addresses can be used for service routes." but B seems correct also since obviously the whole point of using that interface is that it has to be able to reach the service, do they mean traffic to the service and nothing else? I think the test writer needed another cup of coffee. I think C is the more clear-cut answer.
upvoted 14 times
fzl96
8 months, 2 weeks ago
yea the writer definitely needs a cup of coffee
upvoted 2 times
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Mucho9999
2 years, 10 months ago
C is the most correct. https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000Clp3CAC
upvoted 4 times
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sujss
1 year, 6 months ago
B is a correct statement but not a valid answer for this question as it asks about the requirement specifically.
upvoted 1 times
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Jared28
Highly Voted 2 years, 7 months ago
Selected Answer: C
Definitely C. Service Route won't even list an interface not statically assigned as an option (verified in a lab as DHCP, no option, added a static IP and the interface appeared)
upvoted 5 times
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ccaiccie
Most Recent 10 months, 2 weeks ago
Answer is B
upvoted 1 times
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Sammy3637
10 months, 4 weeks ago
Selected Answer: C
Service route needs static IP
upvoted 1 times
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gc999
1 year ago
C is correct. I tested when I configured a static IP on ethernet1/1, then go to service route and I can choose ethernet1/1. However, once I change ethernet1/1 to use DHCP, then go to service route again, and there is no option for me for ethernet1/1. So static IP must exist for service route.
upvoted 2 times
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ronin999
2 years, 10 months ago
B is correct the service must be accessible by that dataplane port.
upvoted 2 times
DatITGuyTho1337
10 months, 1 week ago
But it still needs a static route. I think answer B is superfluous.
upvoted 1 times
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zicouille
2 years, 10 months ago
Why not C ? Decide which port you want to use for access to external services and connect it to your switch or router port. The interface you use must have a static IP address. <=====
upvoted 1 times
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drrealest
2 years, 10 months ago
B cant be the right answer.. you can use the interface for data and mgmt. i'd say C
upvoted 1 times
drrealest
2 years, 10 months ago
actually B is Correct. service routes are pointers so the interface Must be used for such use and other things
upvoted 1 times
DatITGuyTho1337
10 months, 1 week ago
B is superfluous because the data plane is already used for traffic, using service routes just adds an additional traffic job for it. Answer C however is a requirement. The port will not function as a service route if its IP is via DHCP.
upvoted 1 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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