Discuss the rsync utility and its benefits.
What will be an ideal response?
You can use the rsync (remote synchronization) utility to back up data from your SLES 11 system. The rsync utility is actually designed to create copies of entire directories across a network to a different computer. As such, rsync is an ideal tool to back up data across the network to the file system of a remote computer or to a locally connected USB drive.
It is important to note that rsync works in a very different manner than the other backup utilities we have been discussing. Instead of creating an archive file, rsync creates a mirror copy of the data being backed up in the file system of the destination device.
A key benefit of using rsync is that, when coping data, rsync compares the source and the target directory and transfers only data that has changed or has been created. Therefore, the first time rsync is run, all of the data is copied. Thereafter, only files that have been changed or newly created in the source directory are copied to the target directory.
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Which of the following methods can be used to retrieve an array item based on its index position?
A. @ B. at C. # D. in
Write a pretest loop that adds together the integers 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20. Use the intNum variable to keep track of the integers. Store the result in the intResult variable (which contains the number 0). Use the For...Next statement.
What will be an ideal response?
The web server at Terry’s company recently was attacked by multiple computers. The attack overwhelmed the company’s web servers and caused the web servers to crash. What type of attack occurred?
A. Botnet B. Spyware C. Zero-day D. DDoS
To know how many nodes are in a queue, we must count them by traversing the queue.
Answer the following statement true (T) or false (F)