Podcast
Questions and Answers
Shell is a macro processor that allows for interactive or non-interactive command execution.
Shell is a macro processor that allows for interactive or non-interactive command execution.
True (A)
Bash is an open-source version of the Bourne Shell that was first released in 1989.
Bash is an open-source version of the Bourne Shell that was first released in 1989.
True (A)
Scripting allows for automatic execution of commands that would otherwise be executed interactively one-by-one.
Scripting allows for automatic execution of commands that would otherwise be executed interactively one-by-one.
True (A)
Bash scripts are created using text editors such as vim, gedit, and emacs.
Bash scripts are created using text editors such as vim, gedit, and emacs.
Variables in scripting allow a programmer to store data, alter and reuse them throughout the script.
Variables in scripting allow a programmer to store data, alter and reuse them throughout the script.
True or false: Local variables are variables that are set by the shell and required for it to function correctly.
True or false: Local variables are variables that are set by the shell and required for it to function correctly.
True or false: For loop is used to iterate through any given code for any number of supplied items in the list.
True or false: For loop is used to iterate through any given code for any number of supplied items in the list.
True or false: While loop executes code enclosed within DO and DONE while the specified condition is true.
True or false: While loop executes code enclosed within DO and DONE while the specified condition is true.
True or false: The until loop does the exact opposite of the while loop.
True or false: The until loop does the exact opposite of the while loop.
True or false: Variables in scripting allow a programmer to store data, alter and reuse them throughout the script.
True or false: Variables in scripting allow a programmer to store data, alter and reuse them throughout the script.
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?
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?
What is the main difference between a single-bit error and a burst error?
What is the main difference between a single-bit error and a burst error?
What can cause changes in the shape of a signal during data transmission?
What can cause changes in the shape of a signal during data transmission?
Why are burst errors more likely to occur than single-bit errors during data transmission?
Why are burst errors more likely to occur than single-bit errors during data transmission?
What is the purpose of error detection and correction in data networks?
What is the purpose of error detection and correction in data networks?
Which type of error is more likely to occur during data transmission?
Which type of error is more likely to occur during data transmission?
What can cause changes in the shape of a signal during data transmission?
What can cause changes in the shape of a signal during data transmission?
What is the main purpose of error detection and correction in data networks?
What is the main purpose of error detection and correction in data networks?
Which concept is central to detecting or correcting errors?
Which concept is central to detecting or correcting errors?
What is a burst error?
What is a burst error?