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Cisco 500-710 Exam - Topic 2 Question 125 Discussion

An engineer must match any incoming call to the Expressway that is searching for an E.164 address of only 6 digits and append the domain cisco.com to the end. Which pattern match and replace string using regular expressions accomplish this task? (Choose two.)
B) pattern match ({6}\d) and E) replace string: \1@cisco.com
A) pattern match: ({6}*)
C) pattern match ({5}\d)
D) replace string: \6@cisco.com
F) replace string: \$@cisco.com

Cisco 500-710 Exam - Topic 2 Question 125 Discussion

Actual exam question for Cisco's 500-710 exam
Question #: 125
Topic #: 2
[All 500-710 Questions]

An engineer must match any incoming call to the Expressway that is searching for an E.164 address of only 6 digits and append the domain cisco.com to the end. Which pattern match and replace string using regular expressions accomplish this task? (Choose two.)

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Suggested Answer: B, E

by Genevieve at May 12, 2026, 04:37 AM

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Apolonia
3 days ago
This question is tricky! I think A and D could work.
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Broderick
8 days ago
I’m not sure about that, isn’t it just \d{6} for the match?
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Marvel
13 days ago
Totally agree with you, Mari!
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Myra
19 days ago
Wait, is \6 even a valid reference? Sounds off.
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Edda
24 days ago
I think the replace string is definitely \1@cisco.com.
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Mari
29 days ago
The pattern match should be ({6}\d) for 6 digits.
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Lindsey
1 month ago
Surprised there's no option for just 6 digits without extra symbols.
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Keneth
1 month ago
Definitely A and D for the replace string!
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Emiko
1 month ago
Wait, isn't C just 5 digits? That can't be right.
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Elmira
2 months ago
I think B is the correct match too.
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Mabelle
2 months ago
Pattern match A looks right for 6 digits.
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Aretha
2 months ago
I feel like the replace string should definitely include @cisco.com, but I'm torn between \6 and \1. I need to double-check how those references work!
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Hortencia
2 months ago
I'm a bit confused about the pattern match options. I thought it should be something like ({6}*), but that doesn't seem right for 6 digits.
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Sharee
2 months ago
I remember practicing a similar question, and I think the replace string needs to reference the matched digits correctly. Maybe \1@cisco.com?
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Darrel
4 months ago
I think the pattern match should be something like ({6}\d), but I'm not entirely sure if that's correct.
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