Exam 200-301 All Questions

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Exam 200-301 topic 1 question 923 discussion

Actual exam question from Cisco's 200-301

Question #: 923
Topic #: 1

Refer to the exhibit. The iPv6 address for the LAN segment on router R2 must be configured using the EUI-64 format. Which address must be used?

A. ipv6 address 2001:DB8:D8D2:1009:10A0:ABFF:FECC:1 eui-64
B. ipv6 address 2001:DB8:D8D2:1009:1230:ABFF:FECC:1 eui-64
C. ipv6 address 2001:DB8:D8D2:1009:4331:89FF:FF23:9 eui-64
D. ipv6 address 2001:DB8:D8D2:1009:12A0:AB34:FFCC:1 eui-64

Show Suggested Answer

Suggested Answer: A 🗳️

by oatmealturkey at Feb. 14, 2023, 5:23 p.m.

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oatmealturkey

Highly Voted 2 years, 4 months ago

Selected Answer: A

Answer is A. Where did 1230 come from (nowhere) vs. where did 10A0 come from (EUI-64)

upvoted 15 times

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sdmejia01

Highly Voted 2 years, 4 months ago

Correct answer is A. If you change the 7th bit of the Router's MAC Address, you would get 10A0 instead of 12A0.

upvoted 7 times

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Lse

Most Recent 5 months ago

Selected Answer: A

This is manually specifyied the full IPv6 address, don't need eui-64. A Router to auto-generate the last 64 bits from a MAC address, you would use eui-64. as usual CISCO exam is pathetic.

upvoted 2 times

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21c069a

10 months, 2 weeks ago

Selected Answer: A

2->0 Insert ff fe Invert 7th bit

upvoted 1 times

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bugmenot240410

1 year, 2 months ago

duplicate of QUESTION 1039

upvoted 1 times

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hands

1 year, 2 months ago

Selected Answer: A

Wrong Solution

upvoted 1 times

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[Removed]

1 year, 2 months ago

Selected Answer: A

it´s A

upvoted 1 times

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I mean technically none of these configurations are correct. The correct configuration would be "ipv6 address 2001:DB8:D8D2:1009::/64 eui-64", or if you wanted to configure it manually in "eui-64 format", you'd use "ipv6 address 2001:DB8:D8D2:1009:10A0:ABFF:FECC:1/64".

upvoted 3 times

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CCNPTT

1 year, 8 months ago

Prefix:2001:DB8:D8D2:1009::/64 MAC: 12a0.abFFFEcc.0001 Firt 8 bits = 12 = [0001][0010] Invert 7th bit: [0001][0000] = 10 Address: 2001:DB8:D8D2:1009:10a0:abff:fecc:0001

upvoted 5 times

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Naaji

1 year, 9 months ago

Selected Answer: B

Others doesn't match eui-64 format

upvoted 1 times

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omikun

2 years, 1 month ago

answer A: result from EUI-64 calculator https://eui64-calc.princelle.org/

upvoted 1 times

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lucantonelli93

2 years, 3 months ago

Selected Answer: A

The correct answers it's A

upvoted 1 times

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SVN05

2 years, 4 months ago

Can someone explain this question further in detail. Thanks.

upvoted 2 times

PaddyInNZ

1 year, 6 months ago

Option ‘a’ is correct. Prefix:2001:DB8:D8D2:1009::/64. Interface MAC: 12:A0:AB:CC:00:01 Split MAC in half: 12:A0:AB – CC:00:01 Add FFFE shim: 12:A0:AB:FF:FE:CC:00:01 Toggle bit 7: - First 8 bits = 12 = [0001][0010] - Invert 7th bit: [0001][0000] = 10 New bottom 64-bit address: 10:A0:AB:FF:FE:CC:00:01 Change Format: 10A0:ABFF:FECC:0001 Add top 64-bits: 2001:DB8:D8D2:1009:10A0:ABFF:FECC:0001 Condense: 2001:DB8:D8D2:1009:10A0:ABFF:FECC:1 Full Interface Command: ipv6 address 2001:DB8:D8D2:1009:10A0:ABFF:FECC:1 eui-64

upvoted 6 times

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Stichy007

2 years, 3 months ago

after inserting fffe in the middle of the mac-address you need to flip the 7th bit which would change 0001 0010 (12) to 0001 0000 (10) therefore answer is A

upvoted 7 times

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