A 75-year-old female has a past medical history of hypertens…

A 75-year-old female has a past medical history of hypertension, atherosclerosis, and rheumatoid arthritis. She presents to the Primary Care Office complaining of fatigue and worsening shortness of breath on exertion. Physical Exam reveals a diastolic murmur. An echocardiogram reveals backflow of blood into the left ventricle and left sided hypertrophy. Which of the following is the most likely diagnosis?

Password entropy depends on the number of possible passwords…

Password entropy depends on the number of possible passwords and the probability with which a certain password will be chosen by users. The widespread use of popular passwords like “123456” in an example of how some passwords may be chosen with higher probability because they are more popular. If your goal is to maximize password entropy, which of the following will you recommend. I. Increase the number of possible passwords but allow users to choose passwords based on their own preferences.II. Allow fewer passwords but ensure that they are chosen randomly.III. Increase the number of possible passwords and also enforce that they are chosen randomly.

In the password hardening scheme discussed in class, assume…

In the password hardening scheme discussed in class, assume a user chooses a new password which has more characters than the previously used password. This will have the following impact on the instruction table size that is used by the implementation of this scheme.