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lianna [129]
3 years ago
6

You are required to justify the need to implement a three-tier campus network. Which justification below makes sense for a three

-tier campus network?
a. Ability to embed the functionalities of core and distribution into a single layer
b. Makes sense to implement in small-sized networks
c. Ability to effectively implement access security policies to meet business needs
d. Scalable solution for an enterprise environment
e. Makes sense to implement in medium-sized networks only
Computers and Technology
1 answer:
Murrr4er [49]3 years ago
8 0

Answer:

Correct answer is (d) Scalable solution for an enterprise environment

Explanation:

Scaling and enterprise simply means adding up resources to the business need. By adding hardware (s) or by upgrading the existing hardware without changing much of the application, one will be able to implement a three-tier campus network.

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Help with some questions. Thank you!
Oksana_A [137]

Answer:

1. E: II and III only

2. A: (int)(Math.random() * (upper − lower) ) + lower

3. A: The value of answer is N

4. E: while( !(userGuess == secretNumber) && numGuesses <= 15 )

5. C: 21

Explanation:

1. Which of the following is equivalent to while(userGuess != secretNumber)?

I. while( userGuess < secretNumber && userGuess > secretNumber)  

NO - This will test until the userGuess is smaller AND greater than the secretNumber, at the same time... so that condition will never be true.

II. while( userGuess < secretNumber || userGuess > secretNumber)

YES - This will test the value of userGuess and see if it's smaller OR greater than secetNumber.  So, it will loop until the user guesses right.

III. while( !(userGuess == secretNumber) )

YES, this will negate the match with the secretNumber.  In order words, if it's not a match, it will return true... so the loop will run until it finds a false condition (a match).

As you can see, only II and III are valid.

2.  If the lower limit were inclusive and the upper limit exclusive, which expression would properly generate values for the secret number?

A: (int)(Math.random() * (upper − lower) ) + lower

Since the lower limit is INCLUSIVE, we mustn't add one to the lower limit.  Also, the Math.random() function returns a value that matches our needs; it returns a value between [0,1[ (meaning the 0 is included, but not the 1).

Assuming the (int) caster does return only the integer portion doing a round down of the result, we'll be perfect.

3. What conclusion can be made about the state of the program when the while loop terminates?

while(!answer.equals( "N"))

{.....

A: The value of answer is N

The condition in the loops reads as "While the negation of the answer being 'N', loop".  If the answer equals 'N' then the method should return true... which will be negated by the '!' operator, causing the condition to be false. Thus we know that if the loop ends, the value of answer contains 'N', any other value will keep the loop going.

4. Assuming numGuesses is initialized to 1, how would the while statement be modified to include an extra criterion limiting the number of guesses to 15?

E: while( !(userGuess == secretNumber) && numGuesses <= 15 )

This modified condition will first test to see if the user has guessed the secretNumber (if he has, the first sub-parenthesis will be true... so the left side of the && operator will be false due to the negation operator.  The right side of the && operator will check to see how many tries have been attempted. Since the counter starts at 1, it needs to go up to 15 inclusively... so the <= is the right comparison operator.

5. After execution of the following code segment, what will be displayed?

int x = 1;

while(x < 18)

{

x += 5;

}

System.out.println(x);

C: 21

The x variable is initialized with 1... then enters the loop, in which it is incremented by 5 at each passage.

So after first passage, x = 6

After second passage, x = 11

After third passage, x = 16

After fourth passage, x = 21

Cannot enter the loop again because 21 > 18.

So, it will print out the value of 21.

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3 years ago
Imagine that you are preparing a multimedia presentation. What are the four things you need to consider when getting started?
Marrrta [24]

Explanation:

Consider the Content

Create an Outline

Develop Your Presentation

PRACTICE!!

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You may do all of the given options.
Thank You!
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natka813 [3]
Its gonna be about 39%.
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Question 1(Multiple Choice Worth 2 points)<br> Which of the following is true of a good photograph?
Rainbow [258]

Answer:

No link but good things about a photgrahp are

Explanation:

Good lighting

Good camra

Good spot

Good zoom

Good focus

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3 years ago
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