exam questions

Exam 300-410 All Questions

View all questions & answers for the 300-410 exam

Exam 300-410 topic 1 question 498 discussion

Actual exam question from Cisco's 300-410
Question #: 498
Topic #: 1
[All 300-410 Questions]



Refer to the exhibit. An engineer implements uRPF to increase security and stop incoming spoofed IP packets. Same asymmetrically routed packets are also blocked after the configuration. Which command resolves the issue?

  • A. ip verify unicast source reachable-via any
  • B. ip verify unicast source reachable-via rx
  • C. ip verify unicast reverse-path
  • D. ip verify unicast reverse-path any
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️

Comments

Chosen Answer:
This is a voting comment (?). It is better to Upvote an existing comment if you don't have anything to add.
Switch to a voting comment New
bk989
8 months, 3 weeks ago
C. Tgis is the standard reachable-via rx command for older ios versions D: This command doesn't exist. Older IOS versions didn;t support asymmetrical URPF B: This is the problem we are trying to solve Answer = A
upvoted 2 times
bk989
8 months, 2 weeks ago
C: ip verify unicast reverse-path is the command for older IOS versions, and only supports strict mode D: This command does no exist. reverse-path does not support loose mode. B: This is what is currently configured. A: We want to allow asymmetrically return traffic by using loose mode.
upvoted 2 times
...
...
[Removed]
9 months, 2 weeks ago
Selected Answer: A
A is correct
upvoted 1 times
...
dapardo
11 months, 3 weeks ago
Selected Answer: A
Assymetric traffic = loose setup = ip verify unicast source ...any
upvoted 1 times
...
Rman0059
1 year, 6 months ago
Selected Answer: A
A is correct. Need to issue the loose RPF commands
upvoted 1 times
bk989
1 year, 1 month ago
key word is assymettric: Which means it's coming back to an unintended interface (not the next hop). Setting it to any means source can be any interface (not next hop)
upvoted 1 times
...
...
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel
Loading ...
exam
Someone Bought Contributor Access for:
SY0-701
London, 1 minute ago