The network consists of two routers connected via a point to point serial

Question :The consists of two routers connected via a point to point serial
connection as shown below:
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Users on TestKing1 are unable to connect to the other. Based on the
configurations shown above, what could be the cause of this?
A. The Maximum Transmission Unit size is too large.
B. No loopback is set.
C. The subnet mask is incorrect
D. The encapsulation does not match at each end.
E. There is an incorrect IP address.
F. There is an incompatible bandwidth statement between routers.


Answer :E
Explanation:
The IP addresses are both on different subnets but are connected on Serial link. For the
connection to work, the two interfaces must belong to the same IP subnet.
Incorrect Answers:
A. The MTU is set at 1500 on each end, which is acceptable.
B. Loopbacks are not required for this serial connection to function.
C. The masks match, but the IP addresses do not.
D. Based on the diagram above, both serial interfaces are set to HDLC encapsulation,
which is the default encapsulation for serial interfaces.
F. Although this is true, the bandwidth statements do not need to be set the same in order
for this connection to work. The bandwidth statement is used by certain routing protocols,
such as OSPF and EIGRP, but they have no impact on the actual function of the serial
line.
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