Acompany has decided to replace all the t-1 uplinks at each regional office and move away from using the existing mpls network all regional sites will use high-speed connections and vpns to connect back to the main campus which of the following devices would most likely be added at each location? a) siem b) ids/ips c) proxy server d) firewall e) router

Implement a document scanning function wordcountengine, which receives a string document and returns a list of all unique words in it and their number of occurrences, sorted by the number of occurrences in a descending order. if two or more words have the same count, they should be sorted according to their order in the original sentence. assume that all letters are in english alphabet. you function should be case-insensitive, so for instance, the words “perfect” and “perfect” should be considered the same word.