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CCIE R&S 400-101 Written Exam Solutions Discussion

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So I think correct answers should be C and D.

Any thoughts regarding this?

I agree ☺

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Also, how about Three options that are capabilities of queuing and scheduling.

In the dump they are:

A. Queue buffers

B. weighted tail drop

C. bandwidth limitation

D. CAR

E. PBR

F. Policing

 

It's obvious D and E are incorrect. But how about Weighted tail drops? Isn't it more accurate than queue buffers? I mean they both seem correct, but I think tail drops is more correct.

 

Any thoughts?

Looks like ABC according to

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Edited by trugunner
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In which 802.1D port state are the root bridge, the root port, and the designated ports elected?

a Forwarding

b Disabled

c Learning

d Blocking

e Listening

 

Somewhere it says Forwarding, somewhere it says Listening. Could not find any specific link where I can refer.

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Looks like ABC according to

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Weighted tail drop is correct, check this link below

 

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Latest Valid CCIE R&S 400-101 Written Dumps (228Q and New Questions)

 

 

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it is decrypting. at 99% last 30 minute how long time it will take to complete download

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Item 175 of 218

 

Which two statements about single-hub DMVPN are true ? (Choose two)

 

A. Two spokes that are behind different NAT devices that both use PAT can establish a spoke to spoke connections

B. Cisco best practices recommend that dynamic spoke-to-spoke tunnel connections use wildcard preshared keys for ISAKMP authentication

C. Dynamic spoke to spoke tunnel connections support IKE certificates for ISAKMP authentication

D. Each DMVPN spoke requires a unique IP address NAT traslation

E. DMVPN networks support GRE tunnel keepalives on multipoint GRE tunnels

F. DMVPN networks support GRE tunnel keepalives on point to point GRE tunnels

 

Answer: CE

 

I think E is wrong

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"GRE tunnel keepalives (that is, the keepalive command under a GRE interface) are not supported on point-to-point or multipoint GRE tunnels in a DMVPN Network."

 

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I'm agree,

Right answer seems to be CD

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