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Grace [21]
3 years ago
10

Why is it important to ensure that dns servers have been secured before implementing an e-mail system? awr138?

Computers and Technology
1 answer:
Alex3 years ago
7 0
So you don’t get black listed as spam for outgoing mail, and I hope this one is obvious - to make sure the server isn’t vulnerable to hackers and malware.
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B) friend tagging is when
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2 years ago
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Using recursion, write a program that asks a user to enter the starting coordinates (row, then column), the ending coordinates (
Luden [163]

Answer:

The program in Python is as follows

def Paths(row,col):

if row ==0 or col==0:

 return 1

return (Paths(row-1, col) + Paths(row, col-1))

row = int(input("Row: "))

col = int(input("Column: "))

print("Paths: ", Paths(row,col))

Explanation:

This defines the function

def Paths(row,col):

If row or column is 0, the function returns 1

<em> if row ==0 or col==0: </em>

<em>  return 1 </em>

This calls the function recursively, as long as row and col are greater than 1

<em> return (Paths(row-1, col) + Paths(row, col-1))</em>

The main begins here

This prompts the user for rows

row = int(input("Row: "))

This prompts the user for columns

col = int(input("Column: "))

This calls the Paths function and prints the number of paths

print("Paths: ", Paths(row,col))

4 0
2 years ago
les agrees to install a new hard drive and software on marilee's computer in exchange for four of her used textbooks. after he i
WARRIOR [948]

Marilee can sue for breach of contract, because Les had a preexisting duty to do all of the work.

What is hard drive ?

The physical device that houses all of your digital stuff is a hard disk. Digital stuff that is kept on a hard drive includes your papers, photos, music, videos, applications, application preferences, and operating system. There are internal and external hard drives.

What is software?

Software is a collection of instructions, data, or computer programs that are used to run machines and carry out particular activities. It is the antithesis of hardware, which refers to a computer's external components. A device's running programs, scripts, and applications are collectively referred to as "software" in this context.

What does running program means?

Double-click the executable file or the shortcut icon pointing to the executable file on Windows to start the program. If you find it difficult to double-click an icon, you can highlight it by clicking it once and then using the Enter key on the keyboard.

Learn more about hardware and software click here:

brainly.com/question/24231393

#SPJ4

8 0
1 year ago
All of the following can cause a fatal execution-time error except: Group of answer choices Dereferencing a pointer that has not
7nadin3 [17]

Answer: Dereferencing a variable that is not a pointer

Explanation:

The execution time also refered to as the CPU time pertaining to a given task is the time that is used by the system to execute a task.

Some of the reasons for a fatal execution-time error include:

• Dereferencing a pointer that has not been initialized properly

• Dereferencing a null pointer

• Dereferencing a pointer that has not been assigned to point to a specific address.

It should be noted that dereferencing a variable that is not a pointer doesn't cause a fatal execution-time error.

6 0
2 years ago
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