Refer to the exhibit.
Exhibit: Network diagram and routing tables
Why does traffic from PC1 fail to reach PC2?
A.
Only static routes have been enabled
B.
The subnet mask is incorrect on the routers
C.
There is no route back from router B
D.
A default gateway setting is incorrect
answer is D common!
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Aanswer is B, because network 192.168.100.9 have 2 valid ips (192.168.100.10 and 192.168.100.11).
192.168.100.1 and 192.168.100.2 ???? this not correct !
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C is correct.
The route back to the network of PC1 on Router B has an internal IP address of 192.168.100.1
PC 1 is on network 10.1.10.0
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For me the answer is B and D.
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I was wrong the correct one is D, and there is an tipping problem on Destination/Mask column on network 192.168.100.9/30.
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The only manually set routes are the 2 static routes, so the error should be there – Direct routes are discovered by data link protocols.
Its not A as we have direct routes
Its not B as the subnet is “correct” on the 2 static routes
Its not C the question is traffic from PC1 to PC2 NOT back
That leaves D and PC1 has DG 10.1.10.1 but router has IP 10.1.10.254
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how to fix a response on this question? D – is right
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Start at the question… Why does traffic from PC1 fail to reach PC2? Begin with traffic originating at pc1, where does this traffic go? To the router/ gateway which has an interface ip of 10.1.10.254. PC1’s gateway is 10.1.10.1 therefore it does not even reach the gateway in the first place, never mind routes back etc. Therefore answer is D, don’t even look further as you stop at the first problem identified.
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That’s pretty clear
On PC1 the default gateway is not set right!
A ping to PC2 will never arrive at Router 1
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Gateway error on PC1 should be 10.1.10.254…
So “D” is the answer
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