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padilas [110]
3 years ago
14

One of the biggest risks involved in using e-mail is

Computers and Technology
2 answers:
Maurinko [17]3 years ago
8 0
The best answer to the question that is being presented above would be letter d. One of the biggest risks involved in using electronic mail or e-mail is the amount of junk mail you get from unsolicited, spamming, and phishing e-mail addresses.
aleksklad [387]3 years ago
7 0

I just took the PennFoster test. This answer is wrong. The answer is A

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A(n) _______ attack attempts to make a server or network unavailable to serve legitimate users by flooding it with attack packet
malfutka [58]

Answer:

DoS or Denial of Service

Explanation:

Have a nice day! :)

3 0
3 years ago
How does electricity work in phones?
kati45 [8]
Great Question! So the plug will go into the wall and electricity will hit the cord and power through the cord into the charger (Cordless) Now if you talking mobile phones such as iPhones. The battery powers wire and hardware to power your little mobile phone! Hope this helps.
8 0
3 years ago
Computer Networks - Queues
lyudmila [28]

Answer:

the average arrival rate \lambda in units of packets/second is 15.24 kbps

the average number of packets w waiting to be serviced in the buffer is 762 bits

Explanation:

Given that:

A single channel with a capacity of 64 kbps.

Average packet waiting time T_w in the buffer = 0.05 second

Average number of packets in residence = 1 packet

Average packet length r = 1000 bits

What are the average arrival rate \lambda in units of packets/second and the average number of packets w waiting to be serviced in the buffer?

The Conservation of Time and Messages ;

E(R) = E(W) + ρ

r = w + ρ

Using Little law ;

r = λ × T_r

w =  λ × T_w

r /  λ = w / λ  +  ρ / λ

T_r =T_w + 1 / μ

T_r = T_w +T_s

where ;

ρ = utilisation fraction of time facility

r = mean number of item in the system waiting to be served

w = mean number of packet waiting to be served

λ = mean number of arrival per second

T_r =mean time an item spent in the system

T_w = mean waiting time

μ = traffic intensity

T_s = mean service time for each arrival

the average arrival rate \lambda in units of packets/second; we have the following.

First let's determine the serving time T_s

the serving time T_s  = \dfrac{1000}{64*1000}

= 0.015625

now; the mean time an item spent in the system T_r = T_w +T_s

where;

T_w = 0.05    (i.e the average packet waiting time)

T_s = 0.015625

T_r =  0.05 + 0.015625

T_r =  0.065625

However; the  mean number of arrival per second λ is;

r = λ × T_r

λ = r /  T_r

λ = 1000 / 0.065625

λ = 15238.09524 bps

λ ≅ 15.24 kbps

Thus;  the average arrival rate \lambda in units of packets/second is 15.24 kbps

b) Determine the average number of packets w waiting to be serviced in the buffer.

mean number of packets  w waiting to be served is calculated using the formula

w =  λ × T_w

where;

T_w = 0.05

w = 15238.09524 × 0.05

w = 761.904762

w ≅ 762 bits

Thus; the average number of packets w waiting to be serviced in the buffer is 762 bits

4 0
3 years ago
Plz answer me will mark as brainliest ​
Vesnalui [34]
I’m pretty sure the answer for 1 is B.
And the answer for 2 is True.
4 0
3 years ago
GDP measures the production levels of
UkoKoshka [18]

Answer:

A. Standard of Living

Explanation:

Gross Domestic Products (GDP) is a measure of the total market value of all finished goods and services made within a country during a specific period.

Simply stated, GDP is a measure of the total income of all individuals in an economy and the total expenses incurred on the economy's output of goods and services in a particular country. Also, Gross Domestic Products (GDP) is a measure of the production levels of any nation.

Basically, the four (4) major expenditure categories of GDP are consumption (C), investment (I), government purchases (G), and net exports (N).

Hence, the standard of living of the people living in a particular country automatically improves if a nation's level of productivity or production improves; they are able to easily pay for goods and services, as well as save and invest their money.

In contrast, inflation and high unemployment rate are indications of economic downturn, recession and low level of productivity (output) in a country; this would automatically affect the standard of living within such countries.

4 0
3 years ago
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