Which of the following methods would you use to perform NIC verification after an upgrade? Choose all correct options.

A.
Use a third-party utility to verify NIC performance over the network.

B.
Connect to a website to test actual upload and download bandwidth.

C.
Use NOS error-checking commands to ensure that data is being transmitted and received with no errors.

D.
All of the above.

Explanation:
These are all methods that you can use to perform NIC verification.
Incorrect
Answers:
B: To verify the operating speed of the new modem, you should connect to a website that contains a number of utilities to test actual upload and download bandwidth.
D: B is incorrect.
References:

Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 406-407.