Users at a remote site are unable to establish a VPN to the main office. At which of the following layers of the OSI model does the problem MOST likely reside?
A. Presentation
B. Application
C. Physical
D. Session
Ans: D. Session
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Answer the following questions true (T) or false (F)
1. A binary search works with any array of numbers. 2. For the binary search in the text to work, the element searched for must actually be present in the array.
The transactions T and U are run with timestamp ordering concurrency control. Describe the information written to the log file on behalf of T and U, allowing for the fact that U has a later timestamp than T and must wait to commit after T. Why is it essential that the commit entries in the log file should be ordered by timestamps? Describe the effect of recovery if the server crashes (i) between the two Commits and (ii) after both of them.
What are the advantages and disadvantages of early writing with timestamp ordering?
Save your file as a .pdf file type to preserve document formatting
Indicate whether the statement is true or false.
When you define the class, you describe its ____ in terms of data and its behaviors, or methods, in terms of what kinds of things it can do.
A. attributes B. fields C. characteristics D. all of the above