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Exam 300-425 topic 1 question 99 discussion

Actual exam question from Cisco's 300-425
Question #: 99
Topic #: 1
[All 300-425 Questions]

An engineer must create data-link redundancy for the company's Cisco Wireless LAN Controller. The engineer has decided to configure LAG-based redundancy instead of port-based redundancy. Which three features of LAG-based redundancy influenced this decision? (Choose three.)

  • A. Packets are always sent out on the same port they are received on.
  • B. All interface traffic passes as long as one port is up.
  • C. The same port has multiple untagged dynamics interfaces.
  • D. Interface connection to two separate nonstacked switches is available.
  • E. Full bandwidth of all links is available.
  • F. Ports are grouped into multiple LAGs.
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Suggested Answer: ABE 🗳️
by skh at May 12, 2021, 12:43 p.m.

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skh
Highly Voted 4 years, 1 month ago
I would say ABE You cannot configure the controller’s ports into separate LAG groups. Only one LAG group is supported per controller. Therefore, you can connect a controller in LAG mode to only one neighbor device.
upvoted 16 times
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Farhad123
Most Recent 8 months, 2 weeks ago
make sense ABE
upvoted 1 times
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jzzmth
1 year, 3 months ago
Selected Answer: ABE
https://www.cisco.com/c/en/us/td/docs/wireless/controller/7-4/configuration/guides/consolidated/b_cg74_CONSOLIDATED/m_configuring_link_aggregation.html A: Correct - "When you enable LAG, the controller sends packets out on the same port on which it received them" B: Correct - "When you enable LAG, only one functional physical port is needed for the controller to pass client traffic." C: Incorrect - "When you enable LAG, all dynamic AP-manager interfaces and untagged interfaces are deleted, D: Incorrect - "With LAG, all of the controller ports need to connect to the same neighbor switch." E: Correct - No reference, but correct by process of elimination F: Incorrect - "You cannot configure the controller’s ports into separate LAG groups. Only one LAG group is supported per controller."
upvoted 3 times
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ASV2020
3 years, 8 months ago
Answer: ABE
upvoted 3 times
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Goatgirl20
3 years, 11 months ago
https://community.cisco.com/t5/wireless-mobility-documents/lag-link-aggregation/ta-p/3128669 L AGs multiply the bandwidth, increase port flexibility, and provide link redundancy between two devices. ABE
upvoted 4 times
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C (25%)
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