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RTOS (43) - Bulnex (4)
- Operating Systems General Concepts (1242)
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Assume that passwords are selected from four-character combinations of 26 alphabetic characters. Assume that an adversary is able to attempt passwords at a rate of one per second. a) Assuming no feedback to the adversary until each attempt has been completed, what is the expected time to discover the correct password?
FCI,
4 19436Assuming feedback to the adversary flugging an error as each incorrect character is entered, what is the expected time to discover the correct password?
3312Assuming one link of the Trojan horse copy-and-observe-later chain is broken. There are two other possible angles of attack by Alice: Alice logging on and attempting to read the string directly, and alice assigning a security level of sensitive to the back-pocket file. Does the reference monitor prevent these attacks?
2814The flushing policy is described in the subsection on process migration strategies: a) From the perspective of the source, which other strategy does flushing resembles? b) From the perspective of the target, which other strategy does flushing resemble?
2279Directories can be implemented either as "special files" that can only be accessed in limited ways, or as ordinary data files. What are the advantages and disadvantages of each approach?
4481Some operating system have a tree structured file system but limits the depth of the tree to some small number of levels. what effect does this limit have on users? How does this simplify file system (if it does)?
1 8969In the token-passing mutual exclusion algorithm, is the timestamping used to reset clocks and correct drifts, as in the distributed queue algorithms? if not, what is the function of the timestamping?
HCL,
2687How to use disk quotas in solaris (command mode) ? what is the procedure for checking disk space of the particular user in command mode?
7 195681)application programs interact with operating system through system call.is there any method of interaction between the two? 2) Inconveniences faced by user interacting with a computer systemwithout a operating system? 3) what are the requirements for virtual memory architecture
KCPL,
2 4657What is the reason for getting the dialouge box( send this error to microsoft giving options as send to microsoft and dont send ) when we abort from the any work when it was struck.
1 4996
Will reinstalling windows delete my files?
Which password package is installed for the security of central password?
What is a property class?
How do I get back to desktop on windows 10?
What are different types of linked lists?
What startup programs can I disable windows 10?
What is know about grep commands?
Why is linux considered more secure than other operating systems?
What version of windows do I have on my pc?
What is the latest version of google browser?
What is reduction to sorting method?
How do I run windows startup repair?
What are the differences between Real Time Operating System (RTOS) and General Purpose Operating Systems (GPOS)?
What are filenames that are preceded by a dot?
How do I copy a file to multiple folders?
