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Cisco 300-820 Exam - Topic 10 Question 99 Discussion

Employees at company A must call employees at company B in an extension range of 4XXX@companyB.com. Both companies have a Cisco collaboration infrastructure. All required zones are configured in Cisco Expressways at company
B) search rule with a suffix pattern of *.@companyB.com that targets the neighbor zone
A) What must be configured on the Expressway at company A to enable outbound B2B calls?
A) search rule with a regex pattern of [4]\d{3}@companyB\.com that targets the DNS zone
C) call policy rule from the DNS zone to allow a destination pattern of 4[1-9]@companyB.com
D) call policy rule from the neighbor zone to allow a destination pattern of 4[1-9]@companyB.com

Cisco 300-820 Exam - Topic 10 Question 99 Discussion

Actual exam question for Cisco's 300-820 exam
Question #: 99
Topic #: 10
[All 300-820 Questions]

Employees at company A must call employees at company B in an extension range of 4XXX@companyB.com. Both companies have a Cisco collaboration infrastructure. All required zones are configured in Cisco Expressways at company

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Suggested Answer: B

by Salome at Jul 08, 2025, 03:35 AM

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Raymon
8 months ago
But what about the neighbor zone? Isn't that important too?
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Hollis
9 months ago
I agree, regex is the right choice here.
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Ahmed
9 months ago
I think option B is the way to go, though.
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Cecilia
9 months ago
Wait, are we sure about that? Seems off to me.
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Hassie
9 months ago
Definitely need that regex pattern for the search rule!
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Denise
9 months ago
I recall that call policy rules are important for allowing specific patterns. Option D sounds familiar, but I need to double-check the destination pattern specifics.
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Tamera
10 months ago
I’m a bit confused about the difference between suffix and regex patterns. I think I might lean towards option A, but I could be wrong.
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Yaeko
10 months ago
I remember practicing a similar question where we had to configure call policies. I feel like option C might be the right choice here.
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Murray
10 months ago
I think we need a search rule with a regex pattern, but I'm not sure if it should be for the DNS zone or the neighbor zone.
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Olive
10 months ago
This is a good one. I think I'll start by considering the different zone types and how they might be used to route the calls. That should help me narrow down the options.
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Fannie
10 months ago
I'm leaning towards option A - a search rule with a regex pattern to target the DNS zone. That seems like the most direct way to handle the extension range requirement.
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Dominga
11 months ago
Okay, let's see. We need to configure something on the Expressway at company A to enable the outbound B2B calls. The key seems to be matching the extension range of 4XXX@companyB.com.
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Soledad
11 months ago
Hmm, I'm a bit unsure about the difference between a search rule and a call policy rule here. I'll need to think this through carefully.
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Carmelina
11 months ago
This looks like a pretty straightforward Cisco Expressway configuration question. I think I can handle this one.
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Deane
1 year ago
I don't know, man. All these Cisco terms make my head spin. Can we just call them on our iPhones instead?
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Matthew
1 year ago
Ha! Clearly the answer is E: Throw the whole Cisco infrastructure out the window and use carrier pigeons instead. Much more reliable.
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Asha
1 year ago
Hmm, I'm not sure. I'm leaning towards C or D, as a call policy rule might be a better fit than a search rule.
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Chauncey
11 months ago
I agree, that seems like the most logical choice for enabling outbound B2B calls.
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Rikki
12 months ago
I think a call policy rule from the neighbor zone to allow a destination pattern of 4[1-9]@companyB.com is the way to go.
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Selene
1 year ago
I think B is the right answer. Using a suffix pattern to target the neighbor zone seems like the most straightforward approach.
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Abel
11 months ago
Oh, I see. Thanks for clarifying. Regex pattern makes sense for targeting the DNS zone.
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Mollie
11 months ago
Actually, the correct answer is A. You need a search rule with a regex pattern to target the DNS zone.
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Mila
1 year ago
I think B is the right answer. Using a suffix pattern to target the neighbor zone seems like the most straightforward approach.
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Ardella
1 year ago
I'm not sure, but I think option C could also be a valid configuration for enabling outbound B2B calls.
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Elina
1 year ago
The answer is clearly A. A regex pattern is the way to go here to match the 4XXX extension range at company B.
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Detra
1 year ago
Regex patterns are powerful tools for matching specific patterns in strings.
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Dorothy
1 year ago
I agree, using a regex pattern is the most efficient way to match the extension range at company B.
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Maryrose
1 year ago
I agree with Lenna, option A seems to be the most logical choice for configuring the Expressway at company A.
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Lenna
1 year ago
I think option A is the correct one because it specifies the regex pattern for the extension range.
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