Windows XP eliminated must-succeed requests to make the system more stable. Suppose an enterprising programmer rewrote the operating system to accept must-succeed requests, but only when the system had enough main memory to fulfill the requests.What are the pitfalls of this policy?
What will be an ideal response?
Such a policy could allow a greedy or malicious program to circumvent Windows’s
localized LRU page swapping policy.A process could issue many unnecessary must-succeed
requests and fill all of main memory with its own pages, forcing the system to swap the pages
of other processes to disk.This would degrade performance.
Computer Science & Information Technology
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To protect the data, either the signature alone or the signature plus the message are mapped into printable ASCII characters using a scheme known as ________ or base64mapping.
A. radix-64 B. ASCII-64 C. ESP-64 D. safe mapping
Computer Science & Information Technology
The body of a method that returns a value must contain at least one _________ statement.
a. void b. invocation c. thows d. return
Computer Science & Information Technology