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Drupady [299]
3 years ago
14

public interface Displayable { void display(); } public class Picture implements Displayable { private int size; public void inc

reaseSize() { size ; } public void decreaseSize() { size--; } public void display() { System.out.println(size); } public void display(int value) { System.out.println(value * size); } }What method invocation can be used to complete the code segment below?Displayable picture = new Picture();picture.______________;a. display()b. decreaseSize()c. display(5)d. increaseSize()
Computers and Technology
1 answer:
Tamiku [17]3 years ago
4 0

Answer:

a. display()

Explanation:

Based on the scenario being described within the question it can be said that the method invocation for this statement would be display(). This is because the statement,

Displayable picture = new Picture();

Is creating a new Displayable object this object then needs to be called using the . operator and passed the display() method in order for that object to correctly be displayed. Therefore the answer in this question is a. display()

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The answer is A) digital signature
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What are the two main components on the motherboard?
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Wi-Fi Protected Access (WPA) fixes critical vulnerabilities in the earlier wired equivalent privacy (WEP) standard. Understandin
Mars2501 [29]

Since Wi-Fi Protected Access (WPA) fixes critical vulnerabilities in the earlier wired equivalent privacy (WEP) standard, the attacks that is related to encrypted wireless packets is option A: IV attacks.

<h3>Describe an IV attack.</h3>

A wireless network attack is called an initialization vector (IV) attack. During transmission, it alters the IV of an encrypted wireless packet. One packet's plaintext can be utilized by an attacker to calculate the RC4 key stream produced by the IV employed.

Note that A binary vector used to initialize the encryption process for a plaintext block sequence in order to boost security by adding more cryptographic variance and to synchronize cryptographic hardware. The initialization vector is not required to be kept secret.

Learn more about Wi-Fi Protected Access  from

brainly.com/question/13068630
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See full question below

Wi-Fi Protected Access (WPA) fixes critical vulnerabilities in the earlier wired equivalent privacy (WEP) standard. Understanding that WPA uses a combination of an RC4 stream cipher and Temporal Key Integrity Protocol (TKIP), this makes a wireless access point NOT vulnerable to which of the following attacks when related to encrypted wireless packets?

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Malware

Ransoware

5 0
1 year ago
Define a public static method named s2f that takes two String arguments, the name of a file and some text. The method creates th
frez [133]

Answer:

Java solution (because only major programming language that has public static methods)

(import java.io.* before hand)

public static boolean s2f(String fileName, String text){

   try{

       PrintWriter out = new PrintWriter(new File(fileName));

       out.println(text);

       out.close();

       return true;

   }

   catch(Exception e){

       return false;

   }

}

6 0
3 years ago
1. Very short questions.(any four) 14)<br>a. Write down the working principle of a computer.​
Oxana [17]

Answer:

The answer is below

Explanation:

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The computer system operation follows certain principles, some of which are:

1. It makes use of the OPERATING SYSTEM to link the hardware and the software together, without it, the computer system is useless.

2. It works with INPUT DEVICES such as keyboards or stylus. Without input devices, there is no way humans can communicate with the computer system

3. It works with OUTPUT DEVICES such as monitors and speakers. Without output devices, there is no way computers can communicate or give back information to humans.

4. It works with the NETWORK such as LAN or WIFI to provides the sharing of data files to other users or computers. Without the network, the computer system can only work within certain spaces, with no way to share data or files with others far away.

6 0
3 years ago
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