20 Questions
Shell is a macro processor that allows for interactive or non-interactive command execution.
True
Bash is an open-source version of the Bourne Shell that was first released in 1989.
True
Scripting allows for automatic execution of commands that would otherwise be executed interactively one-by-one.
True
Bash scripts are created using text editors such as vim, gedit, and emacs.
True
Variables in scripting allow a programmer to store data, alter and reuse them throughout the script.
True
True or false: Local variables are variables that are set by the shell and required for it to function correctly.
False
True or false: For loop is used to iterate through any given code for any number of supplied items in the list.
True
True or false: While loop executes code enclosed within DO and DONE while the specified condition is true.
True
True or false: The until loop does the exact opposite of the while loop.
True
True or false: Variables in scripting allow a programmer to store data, alter and reuse them throughout the script.
True
Which type of error indicates that only one bit of a given data unit is changed from 1 to 0 or from 0 to 1?
Single-bit error
What is the main difference between a single-bit error and a burst error?
Burst errors are more likely to occur than single-bit errors
What can cause changes in the shape of a signal during data transmission?
Interference
Why are burst errors more likely to occur than single-bit errors during data transmission?
Burst errors are more common in data units
What is the purpose of error detection and correction in data networks?
To minimize the impact of errors on data transmission
Which type of error is more likely to occur during data transmission?
Burst error
What can cause changes in the shape of a signal during data transmission?
Interference
What is the main purpose of error detection and correction in data networks?
To prevent data loss
Which concept is central to detecting or correcting errors?
Redundancy
What is a burst error?
An error where two or more bits in a data unit are changed
Test your knowledge on scripting and shell commands with this quiz! Learn about the benefits of automation, the role of the shell as an interface, and how to use scripting to automate tasks. Put your skills to the test and see how much you know about scripting and shell commands.
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