Welcome to ExamTopics
ExamTopics Logo
- Expert Verified, Online, Free.

Unlimited Access

Get Unlimited Contributor Access to the all ExamTopics Exams!
Take advantage of PDF Files for 1000+ Exams along with community discussions and pass IT Certification Exams Easily.

Exam PCNSE topic 1 question 474 discussion

Actual exam question from Palo Alto Networks's PCNSE
Question #: 474
Topic #: 1
[All PCNSE Questions]

The same route appears in the routing table three times using three different protocols.

Which mechanism determines how the firewall chooses which route to use?

  • A. Administrative distance
  • B. Metric
  • C. Order in the routing table
  • D. Round Robin load balancing
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️

Comments

Chosen Answer:
This is a voting comment (?) , you can switch to a simple comment.
Switch to a voting comment New
B_B_19
8 months, 3 weeks ago
Selected Answer: A
A is Correct. AD is used to break tie between multiple routing protocols. Metric is used to break tie between two routes learned via the same protocol.
upvoted 3 times
...
sov4
9 months, 2 weeks ago
This is a tricky question. If the Admin Distrances aren't equal then only one route would be in the routing table at a time. If Admin Distances have been altered to have match, that would mean the metrics would take priority.
upvoted 1 times
ShehuUsman
9 months, 1 week ago
A is correct. Note the question says the routes are of different protocols....
upvoted 1 times
...
...
kkkb
11 months, 2 weeks ago
Answer is A: Administrative distance The reason it is not B: Metric, is because the question already mentions that the routes all use different routing protocols, therefore we know all the routes will have a different AD. If the question said all the routes use the same protocol, then Metric would be the correct answer.
upvoted 3 times
...
Selected Answer: A
Set Administrative Distances for types of routes as required for your network. When the virtual router has two or more different routes to the same destination, it uses administrative distance to choose the best path from different routing protocols and static routes, by preferring a lower distance. https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-admin/networking/virtual-routers
upvoted 1 times
...
jam1234
1 year, 2 months ago
Selected Answer: A
A. Question says same route with 3 different protocols. https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-admin/networking/virtual-routers
upvoted 1 times
...
Marbot
1 year, 2 months ago
Selected Answer: B
Clear as day in this link. Search "Metric". https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-web-interface-help/network/network-virtual-routers/more-runtime-stats-for-a-virtual-router/routing-tab
upvoted 3 times
Wrong: "Set Administrative Distances for types of routes as required for your network. When the virtual router has two or more different routes to the same destination, it uses administrative distance to choose the best path from different routing protocols and static routes, by preferring a lower distance."
upvoted 3 times
...
...
droide
1 year, 2 months ago
Selected Answer: A
A is correct. See cisco definitions below Administrative distance- This is the measure of trustworthiness of the source of the route. If a router learns about a destination from more than one routing protocol, the administrative distance is compared and the preference is given to the routes with lower administrative distance. Metrics- This is a measure used by the routing protocol to calculate the best path to a given destination, if it learns multiple paths to the same destination. Each routing protocol uses a different metric.
upvoted 1 times
...
Wing123
1 year, 2 months ago
metric is correct B
upvoted 1 times
Sno_2506
1 year, 2 months ago
Wrong. Read the question again
upvoted 1 times
Malasxd
1 year, 2 months ago
If the routes have differents AD, they shouldn't be in route table in the same time. In this case, B seems more corret to me.
upvoted 2 times
...
...
...
Mauz88
1 year, 3 months ago
Selected Answer: A
The options A seems to be correct, check below link https://live.paloaltonetworks.com/t5/general-topics/route-selection-algorithm/td-p/399863
upvoted 4 times
Nicolao
1 year, 1 month ago
Agree https://live.paloaltonetworks.com/t5/general-topics/route-amp-path-selection/td-p/222268
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 ...