If anything is changed on an already-tested module, regression testing is done to be sure that this change hasn't introduced a new error into code that was previously correct.

A file format that preserves documents layout and formatting and can be viewed in Word, Windows Reader, Microsoft Edge, or Adobe Acrobat Reader

a. PDF b. JPG c. TIF

A switch is set up to allow only 2 simultaneous MAC addresses per switch port. An administrator is reviewing a log and determines that a switch ort has been deactivated in a conference room after it detected 3 or more MAC addresses on the same port. Which of the following reasons could have caused this port to be disabled?

A. A pc had a NIC replaced and reconnected to the switch B. An ip telephone has been plugged in C. A rouge access point was plugged in D. An arp attack was launched from a pc on this port