Answer:
pgp --encrypt "my-message.txt" --recipient (Sean) --output ("secret-message.txt.gpg")
Explanation:
PGP encryption from the command line can be done using the following format:
- pgp --encrypt (input) --recipient (user) --output (output file)
Therefore, PGP command line syntax to encrypt the my-message.txt file for a specific user (Sean) and save the output as secret-message.txt.gpg is:
- pgp --encrypt "my-message.txt" --recipient (Sean) --output ("secret-message.txt.gpg")
Answer:
Collaborative filtering
Explanation:
This is one out of five on the Recommender system apart from most popular items, Association and Market Basket based Analysis, Content-based analysis, self and hybrid analysis where we use both content-based and collaborative based approach together. And the Recommender system is a very important topic in Data science. For this question, remember that Collaborative filtering focuses on user and various other user's choices which are mathematically alike to concerned users, and which we find with the study of a large data set. Thus, we can predict from our above study that what are going to be likes of concerned users, and at the item level, whether that item will be liked by the concerned user or not. And this is prediction, and we use this approach in Machine learning these days. For this question, and as mentioned in question the requirements, answer is Collaborative filtering.
They think of it as a spreadsheet
Answer:
"Place" in the 4P's.
Explanation:
The 4C's marketing model was formulated in the year 1990 by Robert Lauterborn. The 4C's comprises of; Customer value, Cost, Convenience, and Communication. It is important to know that this marketing model is an improvement of the 4P's model.
Convenience implies that any product being marketed has to be made easily accessible to the customers. The location should also make it possible, that the product is easily seen by the customers.
Place was a concept in the 4P's model that sought to resolve the problem of where the product can be best distributed. The introduction of Convenience in the 4C's improved on it, and extended it to imply that there must be a high level of accessibility of the product.
Power is force multiplied by velocity. The engine power is actually (relatively) constant regardless of the gear. So when people say there is "more power" in a lower gear, it's the common misconception that "more powerful" is "more forceful" but that's only part of the equation.
So if P is constant, then that means if you can combine a large force and a low velocity or a low force and large velocity for the same power.
When you put it in a low gear, you produce a large torque -- or a large force -- and a low velocity.
For example, if you are towing a trailer or trying to climb a very steep grade, you need the force to be large which is why you put it in a low gear. If you are on something slippery like snow or ice, a high gear will keep the force at the wheels low so the tires don't exceed the coefficient of friction and spin.
