what type of cryptographic algorithm can be used to ensure the integrity of a file's contents?
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You've just deployed a new Cisco router that connects several network segments in your organization. The router is physically located in a server room that requires an ID card to gain access. You've backed up the router configuration to a remote location in an encrypted file. You access the router configuration interface from your notebook computer using a Telnet client with a user name of admin and a password of admin. You have used the MD5 hashing algorithm to protect the password. What should you do to increase the security of the device?
Question 6.6 MARKS] Two friends like to send messages to each other, but they don't want anyone else to read the messages. To keep the messages private, they change each letter in the original message to a different letter of the alphabet. For every letter, they both know which letter will be substituted for it, which is called an encoding. The message will contain only lowercase letters. It will not contain whitespace, digits, or punctuation. The receiver of a secret message doesn't want to convert it back to the original message by hand. Instead, that person asks you to write a function to do it. Following the function design recipe, define a function that given a secret message and the encoding used, returns the original message. Choose a meaningful function name, and add a docstring that includes the type contract, the description, and two examples that return different values. You must choose the types to use to represent the data, and you will be marked not only on the correctness of the function, but also on your choice of data structures.
36. Please fill the method Explore () in the GraphNode.java (code 6) line 36. This method explores each node that is connected to the evaluated node. This algorithm marks its explored variable to true when entering the node, and will explore every neighbour that was not already explored. This method will then be used to determine the connectivity of the graph. (A) this.explored = true; for (int i = 0; i