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Exam 300-420 topic 1 question 228 discussion

Actual exam question from Cisco's 300-420
Question #: 228
Topic #: 1
[All 300-420 Questions]



Refer to the exhibit. A network administrator plans to announce the site subnets to the WAN using route summarization instead of announcing every subnet. What is the smallest summary route that should be used to encompass all subnets at the site?

  • A. 2001:DB8:ABCD:0003::/60
  • B. 2001:DB8:ABCD::/60
  • C. 2001:DB8:ABCD::/64
  • D. 2001:DB8::/32
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Suggested Answer: B 🗳️
by Based_Engineer at Sept. 1, 2023, 8 p.m.

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Based_Engineer
8 months, 2 weeks ago
Selected Answer: B
A /60 prefix length creates an IPv6 range of: 2001:0db8:abcd:0000:0000:0000:0000:0000 through 2001:0db8:abcd:000f:ffff:ffff:ffff:ffff This also allows for 16 subnets using a /64 prefix length, which will accommodate this situation.
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