Cisco Systems 2 Network Router User Manual


 
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Q. 28
Which command displays all routed protocols and the interfaces on which the protocol is enabled?
A. show protocols
B. show protocol brief
C. show interfaces protocol
D. show interfaces
E. show routed
F. show routed interfaces
Answer: D
Explanation: The show interfaces command displays statistics fro all interfaces configured on the switch. This
information is displayed by interface and includes the routing protocols.
Incorrect Answers:
A is incorrect; this is not a valid command.
B is incorrect; this is not a valid command.
C is incorrect; this is not a valid command.
E is incorrect; this is not a valid command.
F is incorrect; this is not a valid command.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 80-81.
Q. 29
If windows size is changed from 3000 to 4000 during the data transfer stage of a TCP session, what can a
sending host do?
A. Transmit 3000 bytes before waiting for an acknowledgement.
B. Transmit 4000 packets before waiting for an acknowledgement.
C. Transmit 4000 bytes before waiting for an acknowledgement.
D. Transmit 4000 segments before waiting for an acknowledgement.
E. Transmit 3000 frames before waiting for an acknowledgement.
F. Transmit 3000 packets before waiting for an acknowledgement.
Answer: C
Explanation: For TCP a window size is in bytes. When a window size increases the sending device can
increase transmission to the new size. In this case the new size 4000 bytes.