Constant variables that might be used in different functions should be _________

Fill in the blank(s) with the appropriate word(s).

global

Computer Science & Information Technology

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Describe a method that allows a client to authenticate multiple times to a server with the following requirements: 1. The client and server use constant space for authentication. 2. Every time the client authenticates to the server, a different random value for authen tication is used (for example, if you have n authentication rounds, the client and the server have to use n different random

values—this means that sharing a key initially and using it for every round of authentication is not a valid solution). Can you find any vulnerabilities for this protocol? What will be an ideal response?

Computer Science & Information Technology

Standards such as JPEG and ASCII operate at which of the following OSI model layers?

A. Presentation B. Data link C. Session D. Application

Computer Science & Information Technology