. What is the full form of LRU (in buffer replacement strategy)? a. Least Reactive User b. Least Recently Used c. Least Read URL d. Lowest Reading User
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143. | What is the full form of LRU (in buffer replacement strategy)? |
a. | Least Reactive User |
b. | Least Recently Used |
c. | Least Read URL |
d. | Lowest Reading User |
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- Programmers in general should learn to avoid writing code that is vulnerable to buffer overflow attacks. A. Why is this not a sufficient defense vs. buffer overflow attacks? B. Please give another defense that can be used vs. buffer overflow attacks. C. Please give a third defense that can be used vs. buffer overflow attacks.You are examining a file system that is organized using inodes. What file system are you examining? a. exFAT b. ReFS c. ext3 d. NTFSAnswer the given question with a proper explanation and step-by-step solution. 1.In the following path name, what is the name of the highest level directory? C:\Windows\System\Calc.exe 2.Typically, dictionary data is lost when a program terminates unless you use a special shelve function. Question 14 options: True False 3.Example of a method used with Regex is: open find replace search
- 12) Write bash script using select statement as shown here, after selecting an option, it shouldreturn to command prompLook the following code and describe the difference between commands "read -p" and "read -s -p" #!/bin/bash# Register 5 users for user_no in {1..5}; do echo "Registering user no: $user_no" read -p "Enter username: " username read -s -p "Enter password: " password # do something here to check password validity # do something here to register the userecho -e "\n" doneCode a hbs file named fruits.hbs that utilizes Handlebars placeholders and Handlebars helpers to populate a dropdown list containing a list of fruits. Code an Express server program route that accepts and processes request messages based on the following criteria
- With meaningful examples of your own write down usage of all the a.File & directory commands b.Text processing commands c.Communication commands d.Memory & process related commands (Search on Internet) e.Compression utilities (Search on Internet)Exercise 1: Please create a script that print “Hello, your name.” • Exercise 2: Please create a directory call user_bin, and add it to PATH. Then mv script of Exercise 1 to user_bin. Then run it from your root directory.• Exercise 3: Add a new command call ‘l’ which will perform exact same as ‘ls -a’. • Exercise 4: Create a function call sortFile, which will sort all filenames of current directory. Exercise 6: Could you add one variable in the example, name the variable as greeting, which displays “Hello, my name is xxx xxx” in the body using variable greeting67. The command in high level programming which completes the release of buffers and perform other cleanup operations remaining is classified as a. read command b. find next command c. close command d. insert command
- 63. Considering the disks, the command with which the block from disk is copied from the specific buffer is classified as a. paste command b. cut command c. write command d. read commandAnswer the followings:1. Assume that you have an empty buffer pool of size 4 pages and will access this access patternin the given order: RDBMSTHEORY. At the end of accessing all the pattern, what is the contentof the buffer pool (write in alphabetical order)? Use the CLOCK algorithm as the bufferreplacement policy and don't advance the clock when the requested page is already in thebuffer.2. Start with an empty buffer pool of size 4 pages again. This time use this access pattern:♯SAGLIKLIMUTLUBAYRAMLAR♯. At the end of accessing all the pattern, what is the content ofthe buffer pool (write in alphabetical order)? Use the LRU algorithm as the buffer replacementpolicy.1.Which of the following is true about a character device? * a)Operating on a character device does not go through Virtual File System b)A character device has a file in /dev directory c)All of the other options are true d)A character device allows read, write and seek operations 2.Which of the following options are true about the critical section (CS) problem? * a)Solution to CS must ensure mutual exclusion to shared data structures. b)Solution to CS must support bounded waiting, but not necessarily starvation c)Solution to CS must be free from deadlocks d)None of the other options are true