What could be the cause of the problem?

Refer to the exhibit. A technician pastes the configurations in the exhibit into the two new routers shown. Otherwise, the routers are configured with their default configurations.


A ping from Host1 to Host 2 fails, but the technician is able to ping the S0/0 interface of R2 from
Host 1. The configurations of the hosts have been verified as correct. What could be the cause of the problem?
A. The serial cable on R1 needs to be replaced.
B. The interfaces on R2 are not configured properly
C. R1 has no route to the network.
D. The IP addressing scheme has overlapping subnetworks.
E. The ip subnet-zero command must be configured on both routers.


One thought on “What could be the cause of the problem?

  1. At first, I thought C is a mistake… I thought its suppose to be D but it is not possible.

    If host 1 IP was in the range to and the submask was set to 26, while host 2 was using an IP between to with sub mask of 26 (in a matter it would not work even if host 2 subtask was not /26) – it would fail
    Every time host1 would try to ping an IP in the range to while the mask is 26, he would send an ARP and the ping would fail. That’s not the case here. host1 IP is within the first 62 valid addresses of the /26 mask and host2 is within the 62-second valid IP addresses of mask 26

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