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Exam 350-501 topic 1 question 341 discussion

Actual exam question from Cisco's 350-501
Question #: 341
Topic #: 1
[All 350-501 Questions]



Refer to the exhibit. A network engineer must update the routing toward the web server with IP address 35.22.13.1. The primary path must be configured via the neighbor router with ID 1.1.1.1. However, local-preference configuration is not permitted on R1. Which task must the engineer perform on R1 to complete the implementation?

  • A. Configure the device to choose the best MED from the same AS.
  • B. Set the device to ignore the conditional MED if the route originated in a different autonomous system.
  • C. Enable MED comparison between routes from neighbors in different AS.
  • D. Implement deterministic MED to choose the best route from the different AS.
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Suggested Answer: C 🗳️

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picho707
10 months, 3 weeks ago
Selected Answer: C
I was confused as it appears to be typo on the IP address of the web server.
upvoted 1 times
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sushil_bhattacharjee
1 year, 1 month ago
Selected Answer: C
https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/16046-bgp-med.html#examp1 For example, consider the following routes for network 10.0.0.0/8: entry1: AS(PATH) 500, med 150, external, rid 172.16.13.1 entry2: AS(PATH) 100, med 200, external, rid 1.1.1.1 entry3: AS(PATH) 500, med 100, internal, rid 172.16.8.4 Example 2: bgp deterministic-med Disabled, bgp always-compare-med Enabled Entry1 is compared to entry2. These entries are from different neighbor autonomous systems, but since the bgp always-compare-med command is enabled, MED is used in the comparison. Of these two entries, entry1 is better because it has a lower MED. Next, entry1 is compared to entry3. The MED is checked again because the entries are now from the same autonomous system. Entry3 is chosen as the best path.
upvoted 1 times
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sushil_bhattacharjee
1 year, 1 month ago
https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/16046-bgp-med.html#examp1 For example, consider the following routes for network 10.0.0.0/8: entry1: AS(PATH) 500, med 150, external, rid 172.16.13.1 entry2: AS(PATH) 100, med 200, external, rid 1.1.1.1 entry3: AS(PATH) 500, med 100, internal, rid 172.16.8.4 Example 2: bgp deterministic-med Disabled, bgp always-compare-med Enabled Entry1 is compared to entry2. These entries are from different neighbor autonomous systems, but since the bgp always-compare-med command is enabled, MED is used in the comparison. Of these two entries, entry1 is better because it has a lower MED. Next, entry1 is compared to entry3. The MED is checked again because the entries are now from the same autonomous system. Entry3 is chosen as the best path.
upvoted 1 times
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sushil_bhattacharjee
1 year, 2 months ago
Selected Answer: C
Enabling the bgp deterministic-med command ensures the comparison of the MED variable when choosing routes advertised by different peers in the same autonomous system. Enabling the bgp always-compare-med command ensures the comparison of the MED for paths from neighbors in different autonomous systems. https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/16046-bgp-med.html
upvoted 1 times
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RoburPace
1 year, 7 months ago
bgp deterministic-med command compares MED variable when choosing routes advertised by different peers inside the same autonomous system. bgp always-compare-med command compares MED variable for paths from neighbors in different autonomous systems.
upvoted 1 times
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12_sdeEQ
2 years, 1 month ago
Selected Answer: C
C is correct answer
upvoted 2 times
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DUsoo
2 years, 2 months ago
Selected Answer: C
C is correct
upvoted 2 times
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nottoday2077
2 years, 2 months ago
Answer is C. https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/16046-bgp-med.html#examp1
upvoted 4 times
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Samarjit1983
2 years, 3 months ago
I think Deterministic Med will select the last entry as the best as it is external. Always-compare-med should be used to select 1.1.1.1 ... Ans C seems to be correct
upvoted 4 times
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