Which of the following Internet Protocol object’s counters can you use to monitor for network bottlenecks?

A.
Datagrams Forwarded/sec.

B.
Datagrams Received/sec.

C.
Datagrams Sent/sec.

D.
All of the above.

Explanation:
Each counter mentioned can be used to monitor for network bottlenecks because they provide traffic statistical information at the Network layer.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 534-536.