Security auditors determine the use of WAPs on their networks with Nessus vulnerability scanner which identifies the commonly used WAPs. This information is not always accurate enough to provide…

Security auditors determine the use of WAPs on their networks with Nessus vulnerability scanner which identifies the commonly used WAPs. This information is not always accurate enough to provide true picture of the devices used by the penetration testers. They employ various techniques to identify the presence of a WAP. Which one of the following techniques is mostly used for uploading new firmware images while upgrading the WAP device?