A PIN of four digits has 10,000 (or 104) combinations. This could theoretically be guessed by a computer in milliseconds. The most popular PIN numbers are 1111, 1234 and 0000 making up around 20% of PIN numbers. Anything beginning with 19XX is also very common, as is 2580. Why?

A.) generate scaffolding to create database for your application. develop all the entities identified in assignment #2. add any additional that may be identified later. b.) add data validation rules to the models that are appropriate for your application and data. c.) create links for each scaffold in the header section. part 2: application updates [30 points] a.) add two additional views to the "home" controller you created in assignment #1. b.) the two views should be named as “privacy" and "". c.) link the two newly created views in the footer section. hint: you would need to modify the “home" controller definition and create “privacy.html.erb" and “.html.erb" files in appropriate locations.

Q-1 which of the following can exist as cloud-based it resources? a. physical serverb. virtual serverc. software programd. network device

Which of the following is not a way in which trees benefit the environment? a. they remove a significant amount of carbon dioxide from the atmosphere. b. they remove a significant amount of oxygen from the atmosphere. c. their roots hold soil in place, reducing rates of erosion. d. they remove ozone and particulates from the atmosphere. select the best answer from the choices provided a b c d