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Which difference must an engineer consider when choosing whether to implement OSPF or IS-IS as the routing protocol on the network?
Suggested Answer: B
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12 comments · newest first
IL
Iluminada
3 months ago
C is misleading. OSPF does support more area types than that.
KE
Kenia
3 months ago
I prefer B. Fast convergence is key for performance.
AS
Ashley
3 months ago
I think option A is crucial. OSPF's DR election is predictable.
KR
Kris
3 months ago
Not sure about that, I thought IS-IS was simpler overall.
TE
Terrilyn
4 months ago
I think OSPF has more flexibility with areas.
BR
Brice
4 months ago
Wait, IS-IS has more area types? That's surprising!
RI
Richelle
5 months ago
Totally agree, OSPF is more predictable!
EU
Eulah
6 months ago
OSPF DR election is deterministic, right?
BU
Bulah
6 months ago
I think IS-IS has a simpler area structure with Level 1 and Level 2, but I'm not clear on how that affects link association compared to OSPF.
LI
Linsey
6 months ago
I feel like the fast convergence part is important, but I get confused between the LSA arrival timer and the PRC-interval timer.
LE
Leandro
7 months ago
I practiced a question similar to this, and I recall that OSPF has different area types, but I can't remember if IS-IS has more options or not.
KI
Kimbery
7 months ago
I think I remember something about OSPF's deterministic DR election, but I'm not entirely sure how that compares to IS-IS.