Give examples of schedules that have the following properties
a) The schedule is serializable, but not in commit order
(b) The schedule is serializable, but has a dirty read
(c) The schedule is not serializable, but does not have a dirty read, a non-repeatable read, or a lost update.
(d) The schedule would be permitted at the READ COMMITTED isolation level, but is serializable.
(e) The schedule is permitted at READ COMMITTED, but is not serializable
(f) The schedule is serializable and would be permitted at SNAPSHOT isolation, but not by a strict two-phase locking concurrency control
(g) The schedule is serializable and would be permitted by a strict two-phase locking concurrency control, but not at SNAPSHOT isolation
(a) r1(x) w2(x) Commit2 r1(y) Commit1
(b) w1(x) r2(x) Commit1 Commit2
(c) r1(x) w2(x) r2(y) w2(y) Commit1 Commit2
(d) r1(x) r2(x) w1(x) w2(y) Commit1 Commit2
(e) r1(x) r2(x) w1(x) Commit1 w2(x)Commit2
(f) r1(x) r2(x) w1(x) Commit1 Commit2
(g) r1(x) r2(y) w2(y) Commit2 w1(y) Commit1
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What is the PowerShell command for dir?
What will be an ideal response?
Step 1. Access PowerShell console.
a. Click Start. Search and select powershell.
b. Click Start. Search and select command prompt.
Step 2. Explore Command Prompt and PowerShell commands.
a. Enter dir at the prompt in both windows.
b. Try another command that you have used in the command prompt, such as ping, cd, and ipconfig.
Step 3. Explore cmdlets.
a. PowerShell commands, cmdlets, are constructed in the form of verb-noun string. To identify the PowerShell command to list the subdirectories and files in a directory, enter Get-Alias dir at the PowerShell prompt.
```
PS C:UsersCyberOpsUser> Get-Alias dir
CommandType Name Version
Source
----------- ---- -------
------
Alias dir -> Get-ChildItem
```
To facilitate the sharing of a document with others, you can use the ________ file format to retain all of the elements of a page
Fill in the blank(s) with correct word
The algorithm ____ is used to randomly order the elements in a given range.
A. reorder_shuffle B. shuffle C. order_shuffle D. random_shuffle
When you know the number of times the statements must be executed, create a(n) ____________ loop.
Fill in the blank(s) with the appropriate word(s).