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koban [17]
1 year ago
7

Before buying his 12-year-old daughter her very own cell phone and laptop complete with internet access, John requires her to co

mplete a cybersecurity class at the local community center. What will John's daughter most likely learn in this class?
A.
how to gain the most followers and friends on a variety of different social media sites, including how to take and post the most flattering selfie

B.
exactly what websites will offer the best help with homework and studying for tests based on subject

C.
how to read and write various types of code in order to gain access to private or unsecure online sites and files

D.
how to protect herself against online criminal or unauthorized behavior that may put her, her information, or her assets in jeopardy
Computers and Technology
1 answer:
Ratling [72]1 year ago
5 0

Answer:

D.

Explanation:

brainliest?

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Allows you to manually add an entry to the arp cache that resolves the ip address inetaddr to the physical address etheraddr. wh
Norma-Jean [14]
The answer in this question is that once the Adaptor or router received the destination IP address (even if we entered in the incorrect MAC address) the router or adapter would remove the IP address from the Ethernet frame and using ARP, would get the correct MAC address of the destination.
6 0
1 year ago
A police department wants to maintain a database of up to 1800 license-plate numbers of people who receive frequent tickets so t
maksim [4K]

Answer:

c.

Explanation:

I believe that in this scenario, the best option for this data would be a hash table using open addressing with 1,800 entries. Hash tables consume more memory than lists but it makes up for it with much faster response time speeds. This is because hash tables work on a key:value system therefore, the license plate can easily be grabbed from the database extremely quickly by just plugging in the plate number. Doing so will retrieve all of the saved information from that license plate. That is why hash tables have a constant time complexity of O(1)

6 0
1 year ago
A computer has 4 GB of RAM of which the operating system occupies 512 MB. The processes are all 256 MB (for simplicity) and have
Afina-wow [57]

Answer:

1-p^{14} = 0.99

p^{14}= 0.01

p =(0.01)^{1/14}= 0.720

So then the value of the maximum I/O wait that can be tolerated is 0.720 or 72 %

Explanation:

Previous concepts

Input/output operations per second (IOPS, pronounced eye-ops) "is an input/output performance measurement used to characterize computer storage devices like hard disk drives (HDD)"

Solution to the problem

For this case since we have 4GB, but 512 MB are destinated to the operating system, we can begin finding the available RAM like this:

Available = 4096 MB - 512 MB = 3584 MB

Now we can find the maximum simultaneous process than can use with this:

\frac{3584 MB}{256 MB/proc}= 14 processes

And then we can find the maximum wait I/O that can be tolerated with the following formula:

1- p^{14}= rate

The expeonent for p = 14 since we got 14 simultaneous processes, and the rate for this case would be 99% or 0.99, if we solve for p we got:

1-p^{14} = 0.99

p^{14}= 0.01

p =(0.01)^{1/14}= 0.720

So then the value of the maximum I/O wait that can be tolerated is 0.720 or 72 %

3 0
1 year ago
A file named data.txt contains an unknown number of lines, each consisting of a single integer. Write some code that creates two
Damm [24]

Answer:

I am doing it with python.

Explanation:

nums = '9 -8 -7 -6 -5 -4 -2 0 1 5 9 6 7 4'

myfile = open('data.txt', 'w')

myfile.write(nums)

myfile.close()

myfile = open('data.txt', 'r')

num1 = (myfile.read())

num1 = num1.split()

print(num1)

print(type(num1))

for x in num1:

   x = int(x)

   if x < 0:

       minus = open('dataminus.txt', 'a')

       minus.write(str(x) + ' ')

       minus.close()

   elif x>= 0:

       plus = open('dataplus.txt', 'a')

       plus.write(str(x)+' ')

       plus.close()

3 0
1 year ago
Read 2 more answers
While adding voices to an animation, what kind of room should you choose?
MrRissso [65]

Answer:

A. A quiet room

Explanation:

Because if you open the windows the will be noise

a huge room will echoe

a room with air conditioning will make noise

7 0
2 years ago
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