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

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

B.
Use Device Manager within the NOS to verify proper operation.

C.
Check the lights and sounds that are associated with the component’s operation to check its activities.

D.
Check for a successful server connection.

Explanation:
These are all methods that you can use to perform modem verification. You should connect to a website that contains a number of utilities to test actual upload and download bandwidth.
Incorrect
Answers:
A: To verify NIC performance, use a NOS error-checking commands to ensure that data is being transmitted and received with no errors.
B: To perform operational checks on new RAID controllers, you can use Device Manager within the NOS to verify proper operation.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 406-407.