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Romashka-Z-Leto [24]

2 years ago

6

One of the main reasons for copyright law is to encourage creators to share their work for the benefit of the general public. Pl

ease select the best answer from the choices provided
t or f

Computers and Technology

1 answer:

irina [24]2 years ago

8 0

Answer:

ewatuqhfuyerhjf

Explanation:

true

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Oxnard Casualty wants to ensure that their e-mail server has 99.98 percent reliability. They will use several independent server

sattari [20]

Answer:

The smallest number of servers required is 3 servers

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Explanation:

Given

$Reliability = 99.98\%$

$Individual Servers = 95\%$

Required

Minimum number of servers needed

Let p represent the probability that a server is reliable and the probability that it wont be reliable be represented with q

Such that

$p = 95\%\\$

It should be noted that probabilities always add up to 1;

So,

$p + q = 1$ '

Subtract p from both sides

$p - p + q = 1 - p$

$q = 1 - p$

Substitute $p = 95\%\\$

$q = 1 - 95\%$

Convert % to fraction

$q = 1 - \frac{95}{100}$

Convert fraction to decimal

$q = 1 - 0.95$

$q = 0.05$

------------------------------------------------------------------------------------------------

<em>To get an expression for one server</em>

The probabilities of 1 servers having 99.98% reliability is as follows;

$p = 99.98\%$

Recall that probabilities always add up to 1;

So,

$p + q = 1$

Subtract q from both sides

$p + q - q = 1 - q$

$p = 1 - q$

So,

$p = 1 - q = 99.98\%$

$1 - q = 99.98\%$

Let the number of servers be represented with n

The above expression becomes

$1 - q^n = 99.98\%$

Convert percent to fraction

$1 - q^n = \frac{9998}{10000}$

Convert fraction to decimal

$1 - q^n = 0.9998$

Add $q^n$ to both sides

$1 - q^n + q^n= 0.9998 + q^n$

$1 = 0.9998 + q^n$

Subtract 0.9998 from both sides

$1 - 0.9998 = 0.9998 - 0.9998 + q^n$

$1 - 0.9998 = q^n$

$0.0002 = q^n$

Recall that $q = 0.05$

So, the expression becomes

$0.0002 = 0.05^n$

Take Log of both sides

$Log(0.0002) = Log(0.05^n)$

From laws of logarithm $Loga^b = bLoga$

So,

$Log(0.0002) = Log(0.05^n)$ becomes

$Log(0.0002) = nLog(0.05)$

Divide both sides by $Log0.05$

$\frac{Log(0.0002)}{Log(0.05)} = \frac{nLog(0.05)}{Log(0.05)}$

$\frac{Log(0.0002)}{Log(0.05)} = n$

$n = \frac{Log(0.0002)}{Log(0.05)}$

$n = \frac{-3.69897000434}{-1.30102999566}$

$n = 2.84310893421$

$n = 3 (Approximated)$

<em>Hence, the smallest number of servers required is 3 servers</em>

6 0

3 years ago

What is the difference between a Is your Milling machine and grinding machine

Law Incorporation [45]

Answer:

one is used for milling and one is used for grinding

Explanation:

8 0

3 years ago

When using for loops and two-dimensional arrays, the outside loop moves across the ___________ and the inside loop moves across

lana66690 [7]

Answer: rows, columns

Explanation: :)

6 0

3 years ago

4.8% complete this is a single choice question; skip ahead to question content a b c d confirm difficulty level: moderate an int

PilotLPTM [1.2K]

Answer:

A replay attack

4 0

2 years ago

A penetration testing service hired by the company has reported that a backdoor was identified on the network. What action shoul

sergij07 [2.7K]

An action which this organization should take to find out if systems have been compromised is: C. Look for unauthorized accounts.

<h3>What is a penetration test?</h3>

A penetration test can be defined as a cybersecurity technique that simulates a cyber attack against an end user's computer system, so as to scan, identify, test and check for exploitable vulnerabilities and compromises in the following:

Operating system
Web software
Host device
Network

This ultimately implies that, a penetration test avails a tester the ability to exploit a weakness and potential security threats on a test network as a privileged user, during vulnerability assessments of the computer system.

In this scenario, we can reasonably infer and logically deduce that an action which this organization or cybersecurity specialist should take to find out if systems have been compromised is to look out for unauthorized accounts.

Read more on penetration test here: brainly.com/question/25813524

#SPJ1

Complete Question:

A penetration testing service hired by the company has reported that a backdoor was identified on the network. What action should the organization take to find out if systems have been compromised?

Look for policy changes in Event Viewer.

Scan the systems for viruses.

Look for unauthorized accounts.

Look for usernames that do not have passwords.

7 0

1 year ago