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ikadub [295]
2 years ago
6

match the type of secondary storage devices to their examples. CD, hard disk, flash memory. answer choices: magnetic storage dev

ice, optical storage devices, solid state storage devices
Computers and Technology
1 answer:
alisha [4.7K]2 years ago
3 0
Hi pupil here's your answer ::


➡➡➡➡➡➡➡➡➡➡➡➡➡

Column A Column B

1》CD = Optical Storage Devices

2》Hard Disk = Magnetic Storage Device

3》Flash Memory = Solid State Storage


⬅⬅⬅⬅⬅⬅⬅⬅⬅⬅⬅⬅⬅


Hope this helps. . . . . . .
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Why is a DNS cache poisoning attack dangerous? Check all that apply. A. Errrr...it's not actually dangerous. B. It allows an att
larisa [96]

Answer:

(B) It allows an attacker to redirect targets to malicious webserver.

(D) It affects any clients querying the poisoned DNS server.

Explanation:

DNS cache poisoning is a serious type of attack that is designed to exploit the vulnerabilities inherent in a Domain Name Server (DNS) where a user is redirected from a real server to a fake one. It is also called DNS spoofing.

Normally, when your browser tries to visits a website through a given domain name, it goes through the DNS server. A DNS server maintains a list of domain names and their equivalent Internet Protocol addresses. This server (DNS) then responds to the request with one or more IP addresses for the browser to reach the website through the domain name.

The computer browser then get to the intended website through the IP address.

Now, if the DNS cache is poisoned, then it has a wrong entry for IP addresses. This might be via hacking or a physical access to the DNS server to modify the stored information on it. Therefore, rather than responding with the real IP address, the DNS replies with a wrong IP address which then redirects the user to an unreal website.

Although they might not be able to control your computer remotely as long as you are not trying to visit a web page via the poisoned information, there are other dangers attached to this type of attack.

Once the DNS server has been poisoned, any client trying to query the server will also be affected since there is no direct way of knowing if the information received from the server is actually correct.

4 0
3 years ago
How do we prevent electrical problems as prescribe by the course?​
Alex777 [14]

Answer:

Check your electrical cords.

When you are done with an electrical appliance, do not rip the cord out of the wall.

Electrical cords should not be hidden from plain sight.

Do not run electrical cords underneath furniture, rugs or carpets.

Remember that water and electricity do not mix.

(i hope this helps id really know if i answered ur question right)

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Explanation:

3 0
3 years ago
The equation of certain traveling waves is y(x.t) = 0.0450 sin(25.12x - 37.68t-0.523) where x and y are in
NNADVOKAT [17]

Answer:

A. 0.0450

B. 4

C. 0.25

D. 37.68

E. 6Hz

F. -0.523

G. 1.5m/s

H. vy = ∂y/∂t = 0.045(-37.68) cos (25.12x - 37.68t - 0.523)

I. -1.67m/s.

Explanation:

Given the equation:

y(x,t) = 0.0450 sin(25.12x - 37.68t-0.523)

Standard wave equation:

y(x, t)=Asin(kx−ωt+ϕ)

a.) Amplitude = 0.0450

b.) Wave number = 1/ λ

λ=2π/k

From the equation k = 25.12

Wavelength(λ ) = 2π/25.12 = 0.25

Wave number (1/0.25) = 4

c.) Wavelength(λ ) = 2π/25.12 = 0.25

d.) Angular frequency(ω)

ωt = 37.68t

ω = 37.68

E.) Frequency (f)

ω = 2πf

f = ω/2π

f = 37.68/6.28

f = 6Hz

f.) Phase angle(ϕ) = -0.523

g.) Wave propagation speed :

ω/k=37.68/25.12=1.5m/s

h.) vy = ∂y/∂t = 0.045(-37.68) cos (25.12x - 37.68t - 0.523)

(i) vy(3.5m, 21s) = 0.045(-37.68) cos (25.12*3.5-37.68*21-0.523) = -1.67m/s.

5 0
3 years ago
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lisabon 2012 [21]

The quote from the text that shows that the author’s purpose is to persuade is D. Critics say that kids stare at computers and TVs all day and do not get enough exercise. The facts stand in counterpoint to this belief.

An argumentative writing prompt is written in order to convince the readers about a particular issue.

According to the author, the fact that children are involved in watching movies, playing games, listening to music, etc doesn't mean that they can't still be productive.

There are some critics that believe that kids stare at computers and TVs all day and do not get enough exercise. This was countered by the author who stated that kids can still engage in exercises or do other productive things.

Read related link on:

brainly.com/question/24861556

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2 years ago
The numeric keys on the keyboard are sometimes called the ten keypad. true false
mr_godi [17]
The answer is true...
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