Why does a layer 3 device perform the anding process on a destination ip address and subnet mask?

Answers

Answer 1
To get the network number and node number of the destination machine. The subnet mask is usually called the NETwork MASK, so anding it with the address gives you the network number. Using the not logical operator on the netmask then protects the node bits in a second and operation.

address & netmask = network number
address & not( netmask ) = node number

The not operator essentially just flips the bits of it's argument.

Related Questions

____ is a programming language used to view and manipulate data that is stored in a database.

Answers

SQL (Standard Query Language)

Amitha writes up a one-page summary of a novel during her summer internship at a publishing company. When she reads over the page, she realizes she used the word “foreshadow” seven times, and she would like to reduce the repetition. Which tool would best help Amitha solve this problem?

Answers

The alegged choices are:

A. Spell Checker
B. Thesaurus
C. Acrobat Distiller
D. Find and Replace

The Answer is B.

This is because she can use a Thesaurus to look up SYNONYMS for the word "Foreshadow". Not the Spell Checker, nor the AD, nor the Find and Replace features are able to help in this situation.

The answer is B its the most accurate.

why has unicode become the standard way of converting binary to text

Answers

 Unicode is the standard for the internal text coding system (encoding, representation, and handling of text). It is used in almost all operating systems. The main reason why Unicode has become the standard way of converting binary to text (despite that there were several other ways) is that it is compatible with all world languages. 

Tara has found a CTSO she’s interested in joining. How can Tara become a member of the CTSO? Tara can become a member of the CTSO by visiting the school office and paying the membership__________.

Answers

membership fees! hope it helps

Answer:

Fee

Explanation:

you will need to pay a fee.

____ is the set of instructions that tells a computer to initialize the motherboard, how to recognize devices connected to the computer, and to start the boot process.

Answers

BIOS, or (Basic Input/Output System)

As you are editing code, you notice the lack of semicolons. Why is this important to note?
All programming statements in Java must end with a semicolon.
All class statements in Java must end with a semicolon.
All public statements in Java must end with a semicolon.
All comments in Java must end with a semicolon.

Answers

It's the first one :)

Answer:

All programming statements in Java must end with a semicolon.

Explanation:

Semicolon allows the compiler to know where to end the instructions.

What is the correct html element for inserting a line break?

Answers

<br> or <br/>

The forward slash can be omitted and still function perfectly fine, unless you are working with XHTML (XML), then do include the forward slash.

It's your personal preference on which one you use, but be consistent! I personally prefer the latter.

The ____________ is the number of rectangles an image has in a square inch.
Question 21 options:

A) Compression


B) DPI


B) Resolution


C) Size

Answers

D size




Read more




































Hope,this helped
The answer is C I’m pretty sure

Why should you use a named constant for the size of an array?

Answers

I can think of the following reasons:

- Avoid magic numbers. The constant will have a descriptive name like "MAX_MEASUREMENTS" so it can be inferred what the array size really means.

- Avoid duplication. There could be some related code (e.g., code that checks if an index is within the array bounds) that can benefit from using the same constant. Then it makes sense to tie them together such that if you change the constant, you're actually changing all its occurrances.

- Central configuration. By placing all your constants in a centralized place in the code, it is clear to see where your configuration resides. This is easier than having magic numbers scattered throughout the code.

tuition $36,620 room and board $12,900 books and fees $2,450 transportation $3,100 other $1,330 . Emily is using the table to determine the minimum amount of money she should save monthly if she is to have enough money to pay for her first year of college. She anticipates receiving $6,000 in grants and has 6 years to save in a college savings account. Without including any interest earned, what is a reasonable estimate of the amount Emily and her family should save each month for the next 6 years to pay for her first year of college?

Answers

Answer:

700

Explanation:

Answer:

b

Explanation:

because i said so brudda

A type of memory that is expensive and therefore is often used only in cache memory applications.

Answers

SRAM [STATIC] is a type of memory, it is five times faster than DRAM [which is found in most computers] and it depends on the use of electricity. It is designed in such a way that its constant refreshing is not require, it is much more expensive than the DRAM and it is therefore only used in cache memory application.

Answer:

The memory that is expensive and therefore is often used only in cache memory applications is Static RAM (Static RAM).

Further Explanation:

Static RAM (SRAM)- SRAM is random access memory that retains the data in memory as long as the power is supplied to the system. On the other hand, DRAM stores data in the capacitor and the transistor. Static RAM is expensive and five times faster than DRAM (Dynamic Access Memory). SRAM is used in the cache memory of the computer and it is part of the RAM digital to analog converter on a video card.

SRAM holds the data in flip-flops. A flip-flops consists of 4-6 transistors having some wiring but never to be refreshed.

Learn more:

1. A company that allows you to license software monthly to use online is an example of ? brainly.com/question/10410011

2. Prediction accuracy of a neural network depends on _______________ and ______________. brainly.com/question/10599832  

3. The shape of our galaxy was determined ‘on the inside looking out' by surveying the milky way using ____________ telescopes. brainly.com/question/7866623  

4. List 3 characteristics of the ideal encryption scheme. brainly.com/question/3000161

Answer details:

Grade: Senior Secondary School

Subject: Computers and Technology

Chapter: Computer Basics

Keywords:  

Memory, type, expensive, cache memory applications, Static Random Access Memory, Dynamic Memory Access, SRAM, DRAM, transistors, resistors, capacitors, flip flops, cache memory, digital, analog, data, power supply

An organization's contact information includes its _____.

e-mail address
fax number
logo
name
slogan

Answers

I would say that it probably includes all of these, but if that's not an option, then it's: email address 
Email address hope this helps :)

Which of the following properties of water enables it to move from the the roots to the leaves of a plant?

A.It expands as it freezes.
B.It is an excellent solvent.
C.It exhibits cohesive behavior.
D.It is able to moderate temperature.

Answers

Water's cohesive behavior, caused by hydrogen bonding between water molecules, allows it to move from the roots to the leaves in plants through the transpiration-cohesion-tension mechanism, involving the xylem vessels.

The property of water that enables it to move from the roots to the leaves of a plant is its cohesive behavior. Cohesion is the attraction between water molecules due to hydrogen bonding. This property, along with adhesion (the attraction between water molecules and other molecules), is crucial for the water transport system in plants known as the transpiration-cohesion-tension mechanism. As water evaporates from the leaves during transpiration, it creates a negative pressure that pulls more water upward from the roots through the xylem vessels due to the cohesive forces among water molecules.

When you pass an array as an argument to a function, the function can modify the contents of the array?

Answers

In most languages. Primitive data types ( char, int, float, bool, maybe string ) are usually passed by value, but compound data types are passed by reference, so you're not working on a copy but on the original.

Why is self-esteem important in self-representation

Answers

Hello! Self-esteem is important in self-representation, because the way you feel yourself can affect how you represent yourself as well. For example, if you have low self-esteem, you may present yourself as sad and shameful. However, if you have high self-esteem, you present confidence and happiness to other people.
Final answer:

Self-esteem influences self-representation by affecting confidence and the ability to form a positive identity, which in turn affects how individuals are perceived and interact with others. The alignment of one's real self with their ideal self contributes to congruence and a robust sense of self-worth.

Explanation:

Self-esteem is pivotal in self-representation because it underpins how individuals perceive themselves and, consequently, how they choose to present themselves to others. A healthy level of self-esteem typically correlates with more positive self-representation, which can lead to positive outcomes in various aspects of life, such as social interactions and professional environments.

During Erikson's toddlerhood stage, a positive self-concept and autonomy contribute to individual confidence in one's abilities. This lays the foundation for future stages, such as adolescence, where individuals re-evaluate their self-concept and embark on identity formation. High levels of self-esteem support adolescents in becoming constructive members of society.

The psychological framework known as "looking-glass self" implies that our self-image is crafted through the perceptions and reactions of others. For example, individuals facing bias or stereotypes may need to work harder to maintain a professional image, as their self-representation could easily be tainted by prejudice.

Impression management is a concept within symbolic interactionism that suggests we use certain behaviors and props to convey a desired impression to others. The congruence between our ideal self and our real self also plays a crucial role in fostering a strong, healthy sense of self-worth.

You have purchased a special monitor for your computer and the instructions tell you to make a minor modification to the inittab file. where would you locate this file on a typical linux system?

Answers

As long as it doesn't have systemd: /etc/inittab

What does a process belong to if it no longer belongs to the user linux?

Answers

Unless you create a user linux, there's no user linux.

I think you're asking about zombie processes.

This type of peripheral is used to interact with, or send data to, the computer. a,CPU b,Input c,Memory d, Output

Answers

b, input

I'm pretty sure, bc CPU is central processing unti which deals with the internal components, output deals with transfers from the computer to an outside source, and memory doesn't have to do with data transfer
Hi!

Whenever we are going to be sending data, this is known as input.

For example, I'm giving input by typing on my keyboard right now. This is sending data to the device.

Hopefully, this helps!

"giga" can mean both 109 and 230. explain to what each refers. can this cause confusion when reading a computer advertisement?

Answers

Final answer:

The term "giga" refers to 10^9 or one billion in the metric system and 2^30 or slightly more than a billion in computer science. This can cause confusion in computer advertisements as manufacturers and operating systems might use different definitions, affecting the perceived storage capacity.

Explanation:

The term "giga" can indeed refer to two different values. In the metric system, "giga" denotes a factor of 109, which means one billion. For example, one gigabyte (GB) in this context is a billion bytes. However, in computer science, due to the binary nature of computing, "giga" often represents 230, which is 1,073,741,824, slightly more than one billion. This binary-based representation is commonly used to express computer memory and storage capacity.

Given that computers operate in binary code, when measuring memory (RAM) and storage (like hard drives and SSDs), we use multiples of 1024 (which is 210), as opposed to the decimal system's 1000. Therefore, one gigabyte in the context of computer storage is actually 1024 megabytes, not the exact billion that the prefix "giga" initially suggests from a purely decimal perspective.

This dual meaning of "giga" can indeed cause confusion while reading computer advertisements, as some manufacturers may use the decimal representation (109) for storage devices, while operating systems might report storage capacity using the binary representation (230). It's important for consumers to be aware of the context in which "giga" is used to understand the actual capacity of the product they are purchasing.

What is the key function of RAM?

Answers

RAM is considered volatile memory, which means that he stored information is lost when there is no power . So RAM is used by the central processing unit (CPU) when a computer is running to store information that it needs to be used very quickly but it does not store any information permanently .

What is the difference between the file myprogram.java and the file myprogram.class?

Answers

The .java file is the source code, human readable, commented and hopefully a bit pretty. The .class file is the bytecode that the JVM executes, and if you're lucky a human may be able to read some of it. Forget about the other stuff.
Final answer:

The myprogram.java file is where you write your Java source code while the myprogram.class file is the compiled version of that code that the Java Virtual Machine can run.

Explanation:

The difference between the myprogram.java and myprogram.class files lies in their purpose and structure. A myprogram.java file is a source code file, written in the Java programming language. This is the file where you write your code. On the other hand, a myprogram.class file is a compiled Java file. The Java compiler, (javac), reads and executes the source code from the .java file, and turns it into byte code in a .class file which the Java Virtual Machine can then interpret and run as a program.

Learn more about Java file types here:

https://brainly.com/question/35329837

#SPJ2

Which unique address is a 128-bit address written in hexadecimal?

Answers

Every hexadecimal digit represents 4 bits, so the address has 128/4 = 32 digits.

A GUID (Globally Unique IDentifier) has 128 bits. They are usually written like this:

{38a52be4-9352-453e-af97-5c3b448652f0}.

There are different types of guids, depending on how they are generated. The first digit of the third group reveals the type. In the example above it is 4. A type 4 guid is fully random (except of course for the 4).

how did josh norman and mike keller provide coverage of katrina?
a. by posting status updates on facebook
b. with series of tweets
c. by writing carefully crafted articles
d. with live updates to a blog

Answers

They wrote live updates to a blog, so D. The blog was called "Eye of the Storm." It was written as a series of personal musings and photographs of places where the storm hit- first hand accounts of the disaster. They received a journalism award for it.

Answer: The correct answer is choice d, with live updates to a blog.

Explanation: Josh Norman and Mike Keller were six months out of college when hurricane Katrina hit. They were two of the few who stayed of their newspaper staff. They created a blog called “Eye of the Storm.” They posted to this blog through the storm, and then later won an award for it.

Saving a file as a new filename can be accomplished through the Save As dialog box? True
False

Answers

Your answer would be true, (brainliest answer please)

When you assign a value to an int variable, you do not type any commas; you type only digits and an optional plus or minus sign to indicate a positive or negative integer?

Answers

Negative integer is the correct answer

Write a c++ program to solve the factorial problem x! by creating a function that calls itself'

Answers

int factorial(int n)
{
   if (n <= 1) {
      return 1;
   }
   else {
      return n* factorial(n - 1);
   }
}

With recursive functions, always check that there is a certain end criterium. When n<=1, the recursion stops.

Which motherboard slot has direct access to the north bridge?

Answers

The Primary PCIe slot has direct access to the north bridge. Many machines now have more than one PCIe slot and they are typically used for graphics cards.

Styles are selected using the _____ tab. file home insert page layout

Answers

It is using the page layout for page styles, home for title/word styles

Answer:

It is using the page layout for page styles, home for title/word styles

Explanation:

Atari licensed a game from taito that became a smash-hit and helped sell the vcs/2600. what is the name of that game?

Answers

Gamastruta I think. 
Hope I helped, Ms. Weasley

Answer:

Space Invaders was a popular Atari game at that time so that might be it.

Explanation:

_____ are considered to be the most important element in a computer-based information system.

Answers

Final answer:

The most important elements in a computer-based information system are the central processing unit for data processing efficiency and information as the key commodity in postindustrial societies. The CPU is critical for processing large data sets, and information drives decision-making processes in business and scientific research.

Explanation:

The elements that are considered to be the most important in a computer-based information system vary depending on the context. When discussing the efficiency of processing large amounts of information, the central processing unit (CPU) or microprocessor plays a critical role. It is the CPU that enables digital computers to process vast data sets effectively.

In the context of a postindustrial society, where information systems are a cornerstone of daily operations, the most important commodity is information. Information-driven decision-making processes are essential in business and scientific environments. For instance, computers that can store and perform calculations on extensive data sets are invaluable for scientific research involving molecules and their motions.

The advent of new information technologies like the Internet, GPS, and GIS has dramatically altered the landscape of information availability and utility. High-speed electronic circuits have enabled computers to analyze data with remarkable speed and accuracy, as evidenced by photographic credits to Airman 1st Class Mike Meares of the United States Air Force.

In the business world, there is a heavy reliance on devices and information technology systems; interruptions or failures in these can have significant repercussions on customer service and revenue, as highlighted by the photograph from Rawpixel Ltd/flickr.

Living systems also embody this principle of valuing information highly, as they depend on the storage, retrieval, transmission, and response to information that is vital to their life processes.

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