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Ipatiy [6.2K]
3 years ago
12

wHAT ARE THE 5 LAYERS in the internet protocol stack andwhat are the principal responsibilities of eack of theselayers.?

Computers and Technology
1 answer:
Helen [10]3 years ago
6 0

Answer: The 5 different layers in the IP stack are as follows:

1. Physical Layer

2. Data Link Layer

3. Network Layer

4. Transport Layer

5. Application Layer

Explanation:

The functions of the different layers are:

The physical layer is concerned with transfer of bits  across the different nodes, The data link layer is concerned with transmission of frames with error detection and correction. The network layer is concerned with routing the packets across various nodes in the router. The transport layer deal with the implementation of protocols such as TCP and UDP. The Application layer host a numerous software applications such as  HTTP, SMTP for client server connections.

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A virtual meeting is the same thing as a/an A. online meeting. B. VoIP. C. seminar. D. convention.
Kryger [21]
I believe it's A. online meeting
5 0
3 years ago
After reviewing device security you learn that a malicious user in an airport
NARA [144]

Answer:

Sniffing.

Explanation:

Data theft can be defined as a cyber attack which typically involves an unauthorized access to a user's data with the sole intention to use for fraudulent purposes or illegal operations. There are several methods used by cyber criminals or hackers to obtain user data and these includes DDOS attack, SQL injection, man in the middle, phishing, sniffing, etc.

Sniffing can be defined as a form of cyber attack in which a malicious user gains access to a private network with the intent of finding out what information is stored on the network.

A packet sniffer also known as a packet analyzer, is a computer software or hardware tool that can be used to intercept, log and analyze network traffic and data that passes through a digital network.

Basically, an unauthorized packet sniffer is used to steal user informations.

This ultimately implies that, sniffing typically involves monitoring and capturing internet traffic (data packets) that are transmitted through a private network in real-time by using a sniffing tool, which may either be a hardware or software.

In this scenario, a malicious user in an airport terminal seating area was able to connect wirelessly to a traveling employee's smartphone and downloaded her contact list. Thus, the type of attack that has taken place is referred to as sniffing.

4 0
3 years ago
Should spreadsheets be used to capture the results of a science experiment?<br><br> YES<br> NO
Lyrx [107]

Answer:

Yes

Explanation:

Spreadsheets should be used to capture the results of science experiments because they are good for sorting data. They make results easier and information easier to see and use.

3 0
2 years ago
Read 2 more answers
Which of the following is an example of a fixed expense clothing or rent or entertainment or food
V125BC [204]
Salutations!

<span>Which is an example of fixed expense?

Rent is an example of fixed expense, It doesn't matter whether you sell a widget or produce thousand of them, you must still pay the rent in any </span><span>circumstances.
</span>
Hope I helped.
5 0
3 years ago
Write a method called classSplit that accepts a file scanner as input. The data in the file represents a series of names and gra
Lelu [443]

Answer:

public static void classSplit(Scanner file){

   int studentsOf21 = 0, studentsOf22 = 0,studentsOf23 = 0, studentsOf24 = 0;

   while (file.hasNext() == true){

       String studentName = file.next();

       int year = file.nextInt();

       switch (year){

           case 2021:

               studentsOf21++;

               break;

           case 2022:

               studentsOf22++;

               break;

           case 2023:

               studentsOf23++;

               break;

           case 2024:

               studentsOf24++;

               break;

       }

   }

   int totalGraduate = studentsOf21+studentsOf22+studentsOf23+studentsOf24;

   System.out.printf("students in class of 2021: %.2f%n", students2021*100.0/totalGraduate);

   System.out.printf("students in class of 2022: %.2f%n", students2022*100.0/totalGraduate);

   System.out.printf("students in class of 2023: %.2f%n", students2023*100.0/totalGraduate);  

   System.out.printf("students in class of 2024: %.2f%n", students2024*100.0/totalGraduate);

}

Explanation:

The classSplit method of the java class accepts a scanner object, split the object by iterating over it to get the text (for names of students) and integer numbers (for graduation year). It does not need a return statement to ask it prints out the percentage of graduates from 2021 to 2024.

4 0
3 years ago
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