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Exam 400-007 topic 1 question 156 discussion

Actual exam question from Cisco's 400-007

Question #: 156
Topic #: 1

Company XYZ wants to redesign the Layer 2 part of their network and wants to use all available uplinks for increased performance. They also want to have end host reachability supporting conversational learning. However, due to design constraints, they cannot implement port-channel on the uplinks. Which other technique can be used to make sure the uplinks are in active/active state?

A. TRILL
B. LISP
C. MSTP
D. switch stack

Show Suggested Answer

Suggested Answer: A 🗳️

by markmark1983 at Feb. 1, 2023, 8:26 p.m.

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kalulosu

4 months, 4 weeks ago

Selected Answer: A

I think ans is A. TRILL (Transparent Interconnection of Lots of Links) is a technology that enables loop prevention and use of all links in a Layer 2 network.

upvoted 1 times

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noxkrugger

9 months, 2 weeks ago

Selected Answer: A

TRILL is the answer

upvoted 1 times

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bdp123

1 year, 1 month ago

Selected Answer: B

Change my answer to LISP as it is for both Layer 2 and 3 - also, Fabricpath is conversational learning but that seems to be a benefit over TRILL https://netcraftsmen.com/designing-fabricpath/ https://community.cisco.com/t5/networking-knowledge-base/lisp-vxlan-fabric-solution-design-guide/ta-p/4934407

upvoted 2 times

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blurain

1 year, 4 months ago

Selected Answer: A

https://packetlife.net/blog/2010/jul/15/emerging-terminology-lisp-and-trill/ TRILL will cover the L2 requirements.

upvoted 2 times

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Rollizo

1 year, 5 months ago

Selected Answer: B

LISP, it it Cisco TRILL

upvoted 1 times

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bdp123

2 years, 1 month ago

Answer is 'A' - Cisco enhanced TRILL (Transparent Interconnection of Lots of Links) to introduce FabricPath in the networking world. Both FabricPath and Trill are conversational learning.

upvoted 4 times

nifengfei

2 years, 1 month ago

I agree the answer is A. From the link, it considers the usage of FabricPath and Trill is the same although there are differents (P37). https://www.cisco.com/c/dam/global/en_ca/assets/plus/assets/pdf/FabricPath-RFULLER.pdf

upvoted 1 times

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gcpengineer

2 years, 3 months ago

Selected Answer: A

TRILL is a layer 2 protocol that enables multipathing and load balancing in the network by allowing multiple parallel paths between switches. This means that traffic can be distributed across all available uplinks, which would increase performance and availability.

upvoted 3 times

Akkisingh

2 years, 1 month ago

But you can't really configure TRILL on any Cisco Nexus, it's FabricPath which is little different then TRILL

upvoted 1 times

bdp123

2 years ago

Nexus 5500, F1, F2 and all future HW are capable of IETF standards TRILL https://www.cisco.com/c/dam/global/en_ca/assets/plus/assets/pdf/FabricPath-RFULLER.pdf

upvoted 1 times

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