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3 years ago

5

You are logged in as a user with limited system privileges, you are the linux system administrator and you have the password to

the root user account. when you need to switch to root user to perform administrative tasks, what command would you enter at the command prompt?

Computers and Technology

1 answer:

Allushta [10]3 years ago

5 0

I use "su -" on my box. Red Hat wanted "sudo -i" in the RHCSA and RHCE courses.

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Fill in this function that takes three parameters, two Strings and an int. 4- // Write some test function calls here! The String

zimovet [89]

Answer:

The function in Java is as follows:

public static void printMessage(String lineOne, String lineTwo, int lines){

for(int i = 1;i<=lines;i++){

if(i%2 == 1){

System.out.println(lineOne);

}

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System.out.println(lineTwo);

}

}

}

Explanation:

This defines the function

public static void printMessage(String lineOne, String lineTwo, int lines){

This iterates through the number of lines

for(int i = 1;i<=lines;i++){

String lineOne is printed on odd lines i.e. 1,3,5....

if(i%2 == 1){

System.out.println(lineOne);

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String lineTwo is printed on even lines i.e. 2,4,6....

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3 years ago

A signal travels from point A to point B. At point A, the signal power is 100 W. At point B, the power is 90 W. What is the atte

11Alexandr11 [23.1K]

Answer:

$Attenuation = 0.458\ db$

Explanation:

Given

Power at point A = 100W

Power at point B = 90W

Required

Determine the attenuation in decibels

Attenuation is calculated using the following formula

$Attenuation = 10Log_{10}\frac{P_s}{P_d}$

Where $P_s = Power\ Inpu$ t and $P_d = Power\ outpu$ t

$P_s = 100W$

$P_d = 90W$

Substitute these values in the given formula

$Attenuation = 10Log_{10}\frac{P_s}{P_d}$

$Attenuation = 10Log_{10}\frac{100}{90}$

$Attenuation = 10 * 0.04575749056$

$Attenuation = 0.4575749056$

$Attenuation = 0.458\ db$ <em>(Approximated)</em>

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