After performing an adapter upgrade, you should perform a new baseline and compare the results to the previous baseline values. Which of the following object monitors shows the amount of data sent to and from the NIC each second?

A.
Network Interface: Output Queue Length

B.
Network Interface: Bytes Total/sec.

C.
Network Interface: Current Bandwidth.

D.
None of the above

Explanation:
Network Interface: Bytes Total/sec shows the amount of data sent to and from the NIC each second. The value of this counter should be compared to the rated capacity of the NIC.
Incorrect Answers:
A: Network Interface: Output Queue Length indicates how many packets still have to be processed by the NIC.
C: Network Interface: Current Bandwidth shows the current NIC bandwidth and can be used to check whether the bandwidth-on-demand feature works correctly.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 342-344, 408.