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Answer: A
Explanation:
The key to answering this question is “
Serial0 is down”. This indicates that the actual serial inerface is
down. Thus there is a problem with the physical layer.
Incorrect Answers:
B is incorrect; the exhibit does not indicate a problem with the data link layer.
C is incorrect; the exhibit does not indicate a problem with the network layer.
D is incorrect; if the output just indicated that “
line protocol is down” then a their would be a
problem with the line protocol. If this was the only problem then there would’ve been a
problem with the transport layer.
Steve McQuerry. Interconnecting Cisco Network Devices
. (Cisco Press: 2000) pages 107-110.
Q. 16
Exhibit:
Given the network diagram, assume that ports 1 through 3 are assigned to VLAN1 and ports 4 through 6
are assigned to VLAN2 on each switch. The switches are interconnected over a trunked link.
Which of the following conditions would verify proper VLAN and trunk operation? (Choose three.)
A. Host 1-1 can ping Host 1-2
B. Host 1-1 can ping Host 4-2