The Query Editor of the Management Studio lets you enter and execute all types of
A) SELECT statements
B) DDL statements
C) DML statements
D) SQL statements

Answers

Answer 1

All DDL statements are inputtable and executable in the Management Studio's Query Editor.

What key is needed to run a query in the query Editor?

Pressing CTRL+L when creating a query will execute the selected text or all of the statements in the Query Editor window, displaying the execution plan.

In Microsoft SQL Server Management Studio, how do you open the query editor?

Select New Query from the context menu by selecting the server node that is currently associated with a Database Engine instance. In addition to connecting to the same instance of the Database Engine, this will open a Database Engine Query Editor window and set the window's database context to the login's default database.

To know more about DDL statements visit :-

https://brainly.com/question/29834976

#SPJ4


Related Questions

a(n) ______ machine enables you to install a second operating system on a computer.

Answers

A virtual machine (VM) is a type of compute resource that uses software rather than a real computer to run applications and run programs. A physical "host" machine hosts one or more virtual "guest" machines.

What advantages do virtual machines have?

A firm can save time, money on management, and physical space by running numerous OS instances on a single piece of hardware because the software is distinct from the actual host computer.

What VM software is the most widely used?

The top four virtualization-friendly programs are VMware Fusion, Parallels Desktop, Oracle VM Virtual Box, and VMware Workstation. Really great features are provided for free by Oracle VM Virtual Box. It is also compatible with Mac, Windows, and Linux.

To know more about virtual machine visit :-

https://brainly.com/question/30044516

#SPJ4

to remove spyware, users need to obtain a special program that can detect and delete it. true or false

Answers

It is true that consumers must get a specialized program in order to identify and remove spyware.

Spyware: What is it?

Spyware. an instance of malware that tracks down and records user data covertly. Virus. a piece of code with the ability to duplicate itself that generally has negative effects, including damaging the system or erasing data

What technique is employed to confirm the identification of computer users?

Biometric verification Users are increasingly choosing to have their biometrics verified. Today, two common techniques are fingerprinting and facial recognition. Other approaches consist of hand geometry, retinal and iris scans, voice recognition, and analysis based on signatures.

To know more about spyware visit :-

https://brainly.com/question/29786858

#SPJ4

Every time I try opening an image I get: 400. The server cannot process the request because it is malformed. It should not be retried. That's all we know.So what the heck does that mean, and how do I fix it?

Answers

An poorly written URL, syntax that is illegible or contains illegal characters, corrupted files in the web browser, or issues with voided browser cookies can all result in a 400 Bad Request error.

Describe a server :

A server sends, receives, and stores data. In fact, by offering, it "serves" another function. A server, which might be a system, software program, or simply a storage device, may provide one or more services.

Is a server software or hardware?

A server is a hub enabling other computers or programs to access services, data, or both. It can be made of components, software, or a combination of the two. The dedicated server is typically accessed via a network similar to the Internet.

To know more about Server visit :

https://brainly.com/question/7007432

#SPJ4

A 400 Bad Request error can be caused by a badly crafted URL, syntax that is difficult to read or contains illegal characters, damaged files in the web browser, problems with revoked browser cookies, and more.

What makes a server?

Data is sent, received, and stored by a server. In actuality, it "serves" another purpose by giving. A server, which might be a computer system, piece of software, or even just a storage device, could offer one or more services.

Is a server software or hardware?

Another computer or software can receive care, data, or both through a server, which acts as a hub. Components, software, or a mix of the two can be used to create it. A network resembling the Internet is frequently used to reach the dedicated server.

To know more about Server visit :

brainly.com/question/7007432

#SPJ4

Which of the following increases or decreases how crisp the objects in a photo appear?
a. brightness
b. sharpness
c. crispness
d. contrast

Answers

the answer is b. sharpness

What happens to information in short-term memory that is not further processed or rehearsed?
A) The information moves back into sensory memory.
B) The information is transferred to working memory until it is ready to be processed further.
C) The information is sent to long-term memory until it is ready to be further processed.
D) The information fades or decays.

Answers

Short-term memory serves as the initial stage of information processing before moving on to long-term memory. rehearsal for maintenance.

What transpires to information in short-term memory that is not retained any longer?

The knowledge is quickly lost from short-term memory without practice or without repeating the number until it is committed to memory.

What happens to the knowledge stored in short-term memory?

The term "short-term memory" refers to the brain's memory mechanisms that help people recall bits of information for a brief period of time, frequently up to 30 seconds. The brain stores information in short-term memory as a sort of "visuospatial" sketch that will later be converted into memories.

To know more about Short-term memory visit :-

https://brainly.com/question/7095837

#SPJ4

What is 90x8-78x0
help me pls

Answers

Answer:

720 - 0 = 720

Therefore, your answer is 720

Answer:

720

Hope it helps:)

Users are mentioning that a file share on a Windows server is no longer accessible. You check the server and see the share is still in place. You decide to check to see if any related ports are currently blocked on the server. What command can you use to investigate the ports

Answers

You can examine the ports using the other address command.

Which of the following presents a security risk following the installation of a new app on a mobile device?

storage of data. The data that you save on the device and whether other apps can access it is the most frequent security worry for Android applications.

What management tool may be used to investigate often unresponsive applications?

What management tool may be used to investigate often unresponsive applications? A log of issue events connected to system stability can be viewed using the Windows Reliability Monitor.

To know more about address command visit :-

https://brainly.com/question/29990582

#SPJ4

The earliest way in which most users connected to the Internet was using a 56Kbps ___ connection using their phone line

Answers

The majority of users initially linked to the Web via dialing up at 56 Kbps using their phone line.

What does the term "internet" mean?

The Internet, also referred to as "the Internet," is a vast network of computer systems. It is a network of networks that allows users at any one computer to obtain information from any other computer with license (and sometimes talk directly to users at other computers).

I have WiFi, so why am I not online?

There are a number of causes why this could occur: The WiFi adapter in your computer is broken. ISP (internet service provider) down for you. Your computer's internet control message protocol (IP) address is incorrect.

To know more about Internet visit :

https://brainly.com/question/18543195

#SPJ4

When the terminals of a control transformer have to be linked by wire, the manufacture-recommended wire types and sizes should be used.

Answers

A control transformer is a transformer that steps down the voltage in order to supply electricity to a machine's or circuit's control devices. Technicians operating on the equipment are significantly safer thanks to the lower voltage.

What is the process of a control transformer?

A control transformer is made to deliver the recommended output voltage at maximum VA. The output voltage rises as the load falls. On the other hand, higher loads will lead to lower output voltages.

What distinguishes a transformer from a control transformer?

The isolation transformer shields the electrical equipment from interference from the power supply's harmonics while the control transformer supplies power for the control system during operation of the electrical equipment.

To know more about control transformer visit:-

https://brainly.com/question/4195445

#SPJ4

The nature of hardware development projects is more diverse than software-oriented projects. a. True *b. False.

Answers

It is false that projects focused on hardware development are more diversified than those that are software-focused.

How should I define hardware?

The phrase "hardware" refers to all of the internal and exterior hardware, including interface, intake, collection, networking, processing, and more, that you need to do important tasks. There are two types of computer hardware: internal and external. a separate physical component of a technology infrastructure or system.

What functions do hardware devices serve?

Hardware components frequently operate on huge datasets in memory without using the system's primary CPU. Examples of such cases include descriptors, structures defining a collection of tasks for a gadget to complete, and communications infrastructure bits that devices have processed (or kept in memory).

To know more about hardware visit:

https://brainly.com/question/9810817

#SPJ4

Your customer is having problems printing from an application. You attempt to send a test page to the printer. Which of the following statements best describes why a test page should be used to troubleshoot the issue

Answers

It confirms connection and highlights any potential application issues. You make an effort to print a test page.

What does fundamental problem-solving entail?

A methodical approach to problem-solving is troubleshooting. The objectives of troubleshooting include identifying the root of an issue and offering suggestions for fixing it. A clear explanation of the issue serves as the initial step in the troubleshooting procedure.

Troubleshoot or Troubleshot, which is it?

The past tenses of the verbs troubleshoot and troubleshooted are both valid. Troubleshot may be used more frequently because shooted is not the past tense of shoot. Example: Despite my efforts to fix the program, it simply isn't functioning properly.

To know more about troubleshoot visit:

https://brainly.com/question/30048504

#SPJ4

The process of sending print jobs from the print queue to the printer is called?
a. spooling
b. queuing
c. redirecting
d. printing

Answers

Correct choice (D), The act of printing involves sending print jobs from the print queue to the printer.

Print queue management – what is it?

In order to dynamically manage the GDDM Master Print Queue while it is being serviced by the GDDM print utility ADMOPUT, a system administrator or controller can use the GDDM Print Queue Manager (PQM), an ISPF panel-driven, standalone program.

Which of the following describes the procedure by which printing is carried out using grooves etched into a plate?

In the intaglio printmaking technique of engraving, a metal plate has lines carved into it to serve as a support for the ink. Copper or zinc can be used to make the engraving plate.

To know more about printing visit :-

https://brainly.com/question/2926554

#SPJ4

You're using a Linux distribution that uses RPM for package management. Which command would you use to check to see if the httpd package, the Apache HTTP Server package, is installed

Answers

The command line command yum list installed httpd will check to see if the Apache HTTP Server package is installed on a Linux distribution that uses RPM for package management.

In Linux, what do yum and RPM mean?

For Linux distributions based on Red Hat, two package management systems were developed: RPM and YUM. A collection of tools called a package management system is used to automate the installation, updating, and removal of packages. The fundamental functional differences between the two package managers outweigh their similarities.

What do Linux's APT and yum stand for?

Popular package management programs designed for Debian-based and Red Hat-based Linux distributions, respectively, include APT and YUM. The two package managers are among of the most widely used and simple to use tools for package management.

To know more about HTTP visit :-

https://brainly.com/question/13155990

#SPJ4

Using the code below, will the body of the page have the background-color defined in the file style.css or the background color define in the

A.

Answers

Any background-color defined within the HTML page will not take precedence over the style.css file.

The file style.css or the background color define in the (Option B.) background color defined in the HTML page.

Using CSS to Define the Background Color of a Page

The background color of the body of the page will be the one defined in the style.css file, as the code in the HTML page is linking to that file and using the background-color property defined in it. This means that the background color of the body of the page will be the one defined in the style.css file, and not the one defined in the HTML page.

Since the question is incomplete, here's the full answer:

Using the code below, will the body of the page have the background-color defined in the file style.css or the background color define in the:

Choose the right option:

A. background-color defined in the file style.cssB. background color defined in the HTML page

Learn more about HTML: https://brainly.com/question/4056554

#SPJ4

If you spend time on social media, you probably see many infographics. How can you determine whether the information contained in them is trustworthy? When you create infographics, what can you do to make it more likely that the viewer will trust you?

Hurry! Please

Answers

Answer:

primary source

Explanation:

Can anyone please answer this question?
What are the uses of a relational database?

Answers

Answer:

Explanation:

tool for storing various types of information that are related to each other in various ways. For example, a relational database for an online store might maintain customer data and maintain related information as well, such as their various addresses, wish lists, orders, etc.

Which of the following penetration tests provides complete knowledge and information, such as network diagrams, about the environment to be tested

Answers

White-box penetration tests provides complete knowledge and information, such as network diagrams, about the environment to be tested.

About Penetration test

According to experts in this field, information system security is basically handled in the following ways:

The first is for defense purposes and the other is proactive security. Penetration tests are carried out in the form of trying to infiltrate company information systems by trying every possible cam. The purpose of this test is not only to identify vulnerabilities, but also to detect these vulnerabilities and to ensure that only authorized persons have access to the system to detect possible infiltration.

Penetration tests are generally carried out using certain pre-designed methodologies. These test methods are used to ensure that the study can be verified, interpreted, and reproducible when the tried and standard set is applied, the more precise the obtained In general, weakness screening and infiltration tests are similar For weakness screening, a number of software tools are used and security holes in the system identified In this penetration test aims not only to determine security vulnerabilities, but also to detect access to Data bases information in the system by using comments in.

As a result, the problem of how secure the applications and data in the system is is a common problem of all companies.

Penetration tests provide answers to problem in Various infiltration tests are available, these vary depending on the target, the attack to be simulated and the system, Therefore, the penetration test to be applied to an enterprise depends on the characteristics and needs of the enterprise.

Typically, a penetration test includes network penetration , applicant penetration, database penetration, and wireless cable penetration

Your question is incomplete but most probably your full question was:

Which of the following penetration tests provides complete knowledge and information, such as network diagrams, about the environment to be tested?

a. White-box penetration

b. Grey-box penetration

c. Black-box penetration

Learn more about penetration test at https://brainly.com/question/29560410.

#SPJ4

Which of the following objects is installed between the back side of the system case and the motherboard's ports?
I/O shield
Heat spreader
Fan
Standoffs

Answers

Between the ports on the motherboard and the rear of the system casing are installed I/O shield objects.

What tasks are carried out by a motherboard's chipset?

The movement of data between components on a motherboard is controlled by an electronic chipset. Between the CPU, GPU, RAM, storage, and peripherals, it serves as the traffic controller. It has been referred to as the motherboard's "glue" by experts.

What benefit does buying a motherboard with integrated graphics and audio provide?

The term "integrated" denotes that all of the parts, including connectors, slots for peripheral devices, serial ports, and I/O ports, have been incorporated by the manufacturer into the circuit board. The fact that this kind of board is the less expensive choice is its greatest advantage.

To know more about motherboard visit :-

https://brainly.com/question/29834097

#SPJ4

Consider the following procedure. PROCEDURE doSomething(numi, num2) { DISPLAY(num1) RETURN(num1) DISPLAY(num2) } Consider the following statement. DISPLAY(doSomething(10, 20)) What is displayed as a result of executing the statement above? a. 10 10 b. 10 20 C. 10 10 20 d. 10 20 10

Answers

(b) 10 20

10 20 is displayed as a result of executing the statement above.

Procedural abstraction: What is it?

When we build code parts (known as "procedures" or, in Java, "static methods") that are generalized by having variable parameters, we use procedural abstraction. Depending on how its parameters are set when it is called, our code is designed to be able to handle a wide range of various situations.

Improves speed procedural abstraction?

Program execution performance is increased through procedural abstraction. This method determines whether a character is a vowel.

Reduces duplicate code procedural abstraction?

Eliminating redundant code is an excellent usage of the technique. Using a procedure will make that section of code easier to edit because it only appears once in the application, in addition to making the app easier to read.

To know more about programming visit:

https://brainly.com/question/22654163

#SPJ4

What is the term used for information about a computer file, distinct from the information it contains

Answers

Answer:

Metadata

Explanation:

This is type of data that provides information about other data, but not the content if the data, such as the text of a message or the image itself.

Which framework should be recommended for establishing a comprehensive information security management system in an organization?

Answers

The best framework for establishing a comprehensive information security management system in an organization is the ISO 27001 standard.

Implementing an ISO 27001 Standard ISMS for Comprehensive Information Security Management

This framework provides a set of guidelines, processes, and best practices for how to develop, implement, and manage an effective information security management system (ISMS). It helps organizations identify, assess, and manage their information security risks, as well as set up appropriate security controls to protect their data. Additionally, it is the most widely adopted information security standard in the world.

Learn more about Security Management: https://brainly.com/question/14364696

#SPJ4

You are an IT network architect. Your firm has been hired to perform a network security audit for a shipping company. One of the company's warehouses has a server room containing one Windows server and two Linux servers. After interviewing the server administrators, you learn they have no idea what to do if the Linux servers cease to function. What is needed here

Answers

When you need to quickly reference how to connect, you can utilize this. the most typical method of reaching a remote Linux server.

What should you do while keeping backup tapes for servers offsite?

Keep all of your backup tapes and other media in a safe, climate-controlled, and most critically, fireproof location. Your offsite storage facility should be reasonably close to your primary location, whether you back up a single file or a complete system.

What does server disaster recovery entail?

Disaster recovery is the process used by a company to regain functioning and access to its IT infrastructure following a natural disaster, cyberattack, or even business interruptions brought on by the COVID-19 pandemic. various disaster recovery methods A disaster recovery strategy may include a number of different disaster recovery (DR) techniques.

To know more about Linux servers visit:-

https://brainly.com/question/23841223

#SPJ4

Which of the following statements is true of geographic top-level domains (TLDs)?
Select one:
a. They are used by the organizations that provide information services.
b. They are used to promote business and tourism.
c. They are limited to members of a defined community.
d. They are owned by corporations to control use of their brands.

Answers

They are employed in the marketing of commerce and travel. Whichever of the following is accurate about geographic top-level domains (TLDs).

Do top-level domains include TLD?

After the root domain in the Internet's hierarchical Domain Name System, a top-level domain (TLD) is one of the domains at the highest level. In the name space's root zone, top-level domain names are deployed.

What do TLD names for top-level domains mean?

A top-level domain (TLD) sits after the root zone in the DNS hierarchy as the first stop. A TLD, or top-level domain, is the part of a domain name that comes after the last dot. The TLD for "gobgle.com," for instance, is ".com." ' and are a few additional well-known TLDs.

To know more about top-level domains visit :-

https://brainly.com/question/28041008

#SPJ4

You are purchasing a PC system that will be used as a file and print server in a small business. Which of the following hardware selection criteria is the MOST important for this system?

Answers

RAID 1+0 array, 64-bit multi-core processor.

Which PC parts should I purchase first?

The motherboard is indeed the circuit that links everything together, including your hardware, your power supply, and the graphics cards, thus you should pick it as your initial component.

According to this quiz, which tool could you use to manage the equipment on your PC?

You may manage peripheral devices and other hardware components by using Windows' Device Manager app.You can update drivers and fix hardware issues with Device Manager, which also lets you inspect the technical details of hardware devices.

To know more about PC system visit:

https://brainly.com/question/13885035

#SPJ4

To insert an equation, click on the Object in the Text group on the Insert tab, then click Microsoft Equation 3.0 in the Object type box, and then click OK.

Answers

The statement which is "to add an equation, click on the 'Object' in the Text group on the Insert tab, then in the Object type box click Microsoft Equation 3.0, and then click OK" is true because it correctly depicts the way to insert an equation in MS Equation Editor embedded in MS word.

MS Word includes an Equation Editor that is used to insert common mathematical equations in the document. Using Equation Editor, it is easy to add complex equations by just picking symbols from a toolbar and typing variables and numbers. As an equation is written, Equation Editor automatically adjusts spacing, font sizes, and formatting in keeping with mathematical typesetting conventions.

"

Complete question:

To insert an equation, click on the Object in the Text group on the Insert tab, then click Microsoft Equation 3.0 in the Object type box, and then click OK.

True

False

"

You can learn more about MS Word at

https://brainly.com/question/20659068

#SPJ4

Consider the following code segment. int[] nums = {10, 5, 8, 13}; for (int i : nums) { System.out.print(i + " "); } What is printed when this code segment is run?

Answers

Since the code section does not compile, the array newVals will be empty. A value that can be printed is not returned by the reset procedure.

What will happen to the program's output if the array's starting address is 65486?

# Incorporate Stdio H void main () int arr [] 12 14 15 23 45; printf%U%U ARR &ARR);?

The array's base address is 65486, therefore arr, &arr points to the array's base address arr. As a result, the program's output is 65486, 65486.

How to use length () in C++ to determine an array's length?

Thus, by simply dividing the array's size by the size each member of the same acquired, we can determine the total number.

To know more about array visit:-

https://brainly.com/question/19570024

#SPJ4

pseudocode uses the end-structure statement ____ to clearly show where the structure ends.

Answers

Due to the fact that it spares the user from having to install anything, this kind of email account is more popular.

The following are email's characteristics: It entails an automatic response to messages. It makes it easier for messages to be automatically forwarded and redirected. It entails the facility sending copies of a message to a large number of individuals. self-filing and message retrieval. Webmail’s are email accounts with a web interface. These accounts are frequently free email accounts that can be used on a variety of websites. Yahoo Mail is one of them, among others. As a result, web-based email accounts are more popular since they eliminate the need for users to install and maintain email clients on each computer.

Learn more about Webmail’s here:

https://brainly.com/question/28604285

#SPJ4

Which of these plays an important role in keeping attack traffic off your systems and helps to protect users

Answers

Software or firmware used as a firewall limits illegal access to a network. Using a set of rules, it examines incoming and outgoing communications to look for dangers and prevent them.

What offers resistance against data theft and can stop an attacker from stealing private data from a stolen hard drive?

Encrypting the entire disk (FDE). Systems with completely encrypted hard drives are resistant to data theft, preventing an attacker from taking private data from a hard disk that has been taken or misplaced.

What connections do attack surfaces and attack vectors have?

An attack vector is a technique for breaking into a network or computer system without authorization.

To know more about firewall visit :-

https://brainly.com/question/13098598

#SPJ4

What logical security concept ensures that all computers in a Windows Server environment adhere to the same policies

Answers

Portable electronics like laptops should be properly secured with a lock because they are particularly susceptible to theft, loss, and resale. A cable lock can be used to connect to the majority of laptops and desktop computers' built-in slots.

present in order for this to succeed?

A Windows operating system is often deployed using an unattended installation. Unattend. xml is the answer file used by unattended instals, and it stores user input for the different GUI dialogue boxes that pop up during the installation process.

What aspect of security is host- or network-based?

IDS may be host-based or network-based. In order to detect suspicious behaviour, a network-based IDS monitors network traffic for specific network segments or devices and analyses network, transport, and application protocols.

To know more about IDS visit:-

https://brainly.com/question/29038449

#SPJ4

A computer can still operate without which of the following? cpu ram os gpu lan

Answers

A computer can still operate without a LAN connection. It can still function correctly when not connected to a local area network or the internet, as long as you have already installed all the necessary software and drivers. Without a LAN connection, the computer will not be able to access other devices or the internet.

Other Questions
Describe the interest in Cuba. Was it economic, nationalism, or national security, or a combination of all What is the discriminant of 3x^2 2x 1 0? 1) Name a constructive plate margin. Why are some producers forced to sell their products at the prevailing market price?A. price takers find market analysis is too costlyB. they are very small players in the overall marketC. high degree of similarity to competitor's productsD. they can increase output without affecting quality How do you find f inverse? the set {...,-2,-1,0,1,2...} is called what? What is the central idea of the Trujillo? What is the difference of the two polynomials 9x2 8x 2x2 3x? Select the correct answer from the drop-down menu. Look at the underlined details in paragraphs 12 and 13. [12] I must have been in a deep sleep for a long time, but all of a sudden I was awakened with a start by the fall of a heavy body tumbling right on top of my own, and, at the same time, I received on my face, on my neck, and on my chest a burning liquid which made me utter a howl of pain. And a dreadful noise, as if a sideboard laden with plates and dishes had fallen down, almost deafened me. [13] I was smothering beneath the weight that was crushing me and preventing me from moving. I stretched out my hand to find out what was the nature of this object. I felt a face, a nose, and whiskers. Then, with all my strength, I launched out a blow at this face. But I immediately received a hail of cuffings which made me jump straight out of the soaked sheets, and rush in my nightshirt into the corridor, the door of which I found open. How do the underlined details create tension in the story? These details create tension by 1. making it seem as if the narrator is losing his sense of reality 2. confirming that the main characters friends were planning to trick him 3. appealing to the readers sense of touch and hearing 4. withholding information about who is attacking the narrator What is the difference between Explicit and implicit bias and how do you identify if you have a bias What is the value of 2 by 7 and 3 by 7? If the cell's external environment becomes very WATERY (dilute) then the outside of the cell will have a higher water concentration. We say the cell environment is HYPOTONIC. Water will diffuse in this case.Which way is the water going to diffuse? Spanish help ACT.5 in spanish book Is this statement true or false?There was a lack of Native American unity in fighting Europeans because the natives were descended from different peoples that came in different waves of immigration.A:TrueB:False Walt Whitman called his most famous poem 'Song of Myself'. What does he actually say about who he is, and what do we learn about him Write a procedure ConvertToBinary that takes an input as a number from 0 to 16 (including 0 but not 16) and converts it to a binary number. The binary number should be returned as a list. A year in the modern Gregorian Calendar consists of 365 days. In reality, the earth takes longer to rotate around the sun. To account for the difference in time, every 4 years, a leap year takes place. A leap year is when a year has 366 days: An extra day, February 29th. The requirements for a given year to be a leap year are: 1) The year must be divisible by 4 2) If the year is a century year (1700, 1800, etc.), the year must be evenly divisible by 400 Some example leap years are 1600, 1712, and 2016. Define a function called OutputLeapYear that takes an integer as a parameter, representing a year, and output whether the year is a leap year or not. Then, write a main program that reads a year from a user, calls function OutputLeapYear() with the input as argument to determines whether that year is a leap year. coral code 30 PTS: Please help meYou can earn money by shoveling your neighbors' driveways in the winter and get paid $10 per hour. What is a function that would define this situation? Define the domain and range of this function and describe reasonable values for each. What is one of the main differences between a 401(k) and a Roth 401(k)? O A. A Roth 401(k) is offered by banks, while a 401(k) is offered by an employer. B. The amount you can contribute depends on your age. C. Contributions are taxed differently. D. You have to be different ages in order to withdraw money. The stomach is the only part of the alimentary canal with three muscular layers. Why does the stomach need three layers of muscle