Exam 300-420 topic 1 question 79 discussion

Actual exam question from Cisco's 300-420

Question #: 79
Topic #: 1

Refer to the exhibit.

A customer is running HSRP on the core routers. Over time the company has grown and requires more network capacity. In the current environment, some of the downstream interfaces are almost fully utilized, but others are not. Which solution improves the situation?

A. Make router R2 active for half of the VLANs.
B. Add more interfaces to R1 and R2.
C. Configure port channel toward downstream switches.
D. Enable RSTP on the downstream switches.

Show Suggested Answer

Suggested Answer: A 🗳️

by Sickcnt at Oct. 19, 2022, 5:31 p.m.

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Clauster

9 months, 3 weeks ago

Selected Answer: C

So they try to confuse you with the first portion of the question, but the question is actually this one: "In the current environment, some of the downstream interfaces are almost fully utilized, but others are not. Which solution improves the situation?" Well, if i got some Ethernet Links that are not being utilized and others are almost full idk about you but on my environment i am going to use PortChannels, not only is this going to alleviate some of those overutilized links but it will load balance across, it also answers this question which has nothing to do with HSRP in the first place.

upvoted 1 times

Clauster

9 months, 2 weeks ago

Actually, given the topology I only see one downlink to each Switch so i can't portchannel, answer has to be A.

upvoted 1 times

mgiuseppe86

7 months, 3 weeks ago

Great point... makes me reconsider my eyesight and my reading comprehension.

upvoted 4 times

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SpicyMochi

1 year ago

Selected Answer: A

A. Make router R2 active for half of the VLANs. By making router R2 active for half of the VLANs, the customer can load balance the network traffic across the two core routers (R1 and R2) more efficiently. This will help to distribute the traffic more evenly between the routers, thus improving the overall network capacity utilization.

upvoted 1 times

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Sickcnt

1 year, 7 months ago

Selected Answer: A

C could also be an option, but that would require "MultiChassis Etherchannel" and Also VSS for both the Layer 3 switches Since thats not written anywhere I would go with Answer: A

upvoted 1 times

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