"fallback mechanism" is a correct and usable phrase in written English.
It is typically used to describe a secondary plan or alternative option in case the first one fails. Example: In the event of unexpected technical difficulties, the company has a fallback mechanism in place to ensure that the website remains functional for its users.
In the following section, we present how an adaptive yielding mechanism can be implemented along with the Tx fallback mechanism.
— a fallback mechanism that the Internal Revenue Service uses to prevent people like him from paying too little.
Discursiveness is still the fallback mechanism for Mr. Friedberger, who writes most of the band's lyrics and all of its music.
Democrats say the government needs some type of "fallback mechanism" to provide drug coverage because private insurers have not expressed great interest in selling policies that cover drugs and nothing else.
The only reason he ended up paying thirty-eight million is that he got caught by the Alternative Minimum Tax (A.M.T). a fallback mechanism that the Internal Revenue Service uses to prevent people like him from paying too little.
Dr. Keating, a vice president at the Novartis Institutes for Biomedical Research in Cambridge, Mass., believes stem cells can ordinarily undertake only very limited repairs of organs like the liver and heart, and that the scarring often seen in these tissues is a fallback mechanism put in place when the stem cells' capacities are exceeded.
For example, if there is a particular system whose availability is required 24/7/365, have you tested fallback mechanisms and backups?
However, this widely used approach of leveraging static challenge questions as fallback authentication mechanism has several limitations.
More recently, Hang et al. [11] presented a fallback authentication mechanism where users are asked to recognize apps that are installed or not installed on their smartphones.
Among these, pre-selected challenge questions (i.e., personal knowledge questions) are often used as a fallback authentication mechanism to facilitate resetting/recovery of passwords [3].
The most widely known fallback authentication mechanism is based on challenge questions (a.k.a, security questions) where a service (e.g., website) requires a user to answer personal verification questions such as "what is the name of your first pet?".
