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Cisco 300-510 Exam - Topic 5 Question 30 Discussion

What are two differences between OSPF and IS-IS? (Choose two.)
B) OSPF uses a router ID to identify a router, and IS-IS uses a system ID. and C) OSPF elects a DR and a BDR, and IS-IS elects a DIS.
A) OSPF is a link-state routing protocol, and IS-IS is a distance-vector routing protocol.
D) Unlike OSPF. IS-IS supports virtual links.
E) Unlike IS-IS routers, an OSPF router belongs to only one area in addition to the backbone area.

Cisco 300-510 Exam - Topic 5 Question 30 Discussion

Actual exam question for Cisco's 300-510 exam
Question #: 30
Topic #: 5
[All 300-510 Questions]

What are two differences between OSPF and IS-IS? (Choose two.)

Show Suggested Answer Hide Answer
Suggested Answer: B, C

Contribute your Thoughts:

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Tamar
10 months ago
Yeah, OSPF routers are tied to one area, but IS-IS can do multiple.
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Twana
10 months ago
OSPF electing DR and BDR is key, but IS-IS has DIS instead, right?
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Annalee
11 months ago
Wait, IS-IS supports virtual links? I thought OSPF was the only one that did that.
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Lisbeth
11 months ago
Totally agree, the router ID vs system ID thing is a big difference!
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Shanda
11 months ago
OSPF is definitely link-state, while IS-IS is also link-state, not distance-vector.
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Mariko
11 months ago
Okay, let me think this through. UNIX is an operating system, and this question is asking about the beginning of time for it. I'm guessing the answer has to do with some kind of starting point or reference date. I'll eliminate the options that don't seem to fit.
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Terina
11 months ago
Hmm, this seems like a tricky one. I'll need to carefully break down the information and think through the process consumption.
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Marg
11 months ago
I think the code compiles fine since all the includes are there, but I'm not sure if the `deque d1(t, t+10)` will actually work properly with the constructor.
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Allene
11 months ago
I'm confused; I thought the specification of financial statements was covered under a different standard, not the conceptual framework?
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