Answer:
The code to this question can be given as:
Code:
public class BankAccount implements Account //define class that inherit interface Account.
{
private int balance; //define integer variable.
public BankAccount(int x) //define parameterized constructor.
{
balance = x;
}
public int deposit(int x) //define function deposit.
{
balance =balance+ x;
return balance;
}
public boolean withdraw(int x) //define function withdraw.
{
//conditional statements
if (x <= balance) //if block
{
balance = balance - x; //calculate value.
return true; //return value.
}
else //else block
{
return false; //return value
}
}
}
Explanation:
The description of the above code can be given as:
In this code we define a class that is "BankAccount" this class inherits the interface that is "Account". for inheriting the class to the interface we use implements keyword to inherit class to interface. In this class we also define an integer variable that is balance. Then we define a parameterized constructor. In this constructor, we pass an integer variable that is "x" as a parameter. In this constructor, we use the balance variable to hold the constructor parameter value.Then we define a function that is a deposit() and withdraw(). In both functions, we pass an integer variable that is "x". In the deposit() function we use a balance variable for calculating value and return its value.and in the withdraw() function we use conditional statement. In this, we check if function parameter value that is x is less then equal to balance so we calculate the balance and return true. else we return false.What error occurs when you access an array element with an invalid index?
Select one:
A) A Null Pointer Exception error
B) An Array Index Out Of Bounds Exception error
C) An Arithmetic Exception error
D) A Class Cast Exception error
Answer:
Explanation:
Option B is the correct answer.
Your current backup schedule involves differential backups of all data Monday through Saturday, with a full backup on Sunday. Last Saturday, one of your storage drives failed prior to running the daily backup. What must be done to recover the data on the failed drive?
Answer:
restore the last full backup first.
Explanation:
Based on the information provided within the question it can be said that what you should do is restore the last full backup first. This is because a differential backup, backs up all the progressive changes made after the last full backup. Therefore the last full backup would contain all the data before the drive failed. Once this is done then you may restore the last successful differential backup prior to the drive failure.
An I/O-bound process ___________________________________________________ Select one: a. does not need CPU time b. spends less of its time seeking I/O operations than doing computational work c. spends more of its time seeking I/O operations than doing computational work d. spends equal time seeking I/O operations and doing computational work
Answer:
Spends more of its time seeking I/O operations than doing computational work.
Explanation:
The I/O bound process are depend on Input and output speed. on the other hand computational work is associated with CPU bound processes. Therefore option "C" is better option for I/O bound processes.
Title text boxes on every slide must be the same format.
A) True
B) False
Answer:
B) False
Explanation:
You can adjust the boxes to whatever you'd like, and even add more if you needed too.
Answer:
A) True
Explanation:
Title text boxes on all the slides must be the same format. It looks professional. Moreover, it doesn't mess up your drawings or other writings in the rest of the slide.
Write a public interface named Test with the following behavior:
a. a method getDuration that returns a Duration object.
b. a method check that accepts an int parameter and returns a Result object.
c. a method getScore that returns a double.
Answer:
The code to this question can be given as:
Code:
public interface Test //define interface
{
public abstract Duration getDuration(); //define method
getDuration.
public abstract Result check(int a);
//define method
check .
public abstract double getScore();
//define method getScore.
}
Explanation:
In the above code, we define an interface that is "Test" inside an interface, we define three methods that can be defined as:
First, we define a method that is "getDuration" that method returns Duration as an object. Second, we define a method that is "check" this method accepts an integer parameter that is a and return Result. The third method is "getScore" this method will return a double value.Which of the following statements is false? Question 22 options: a) Companies that use Software-as-a-Service are running applications on the vendor’s hardware. b) Application service providers are similar to Software-as-a-Service providers. c) Companies that purchase open-source software cannot modify it. d) Outsourcing refers to acquiring IT applications from outside contractors. e) Insourcing refers to building IT applications in-house.
Answer:
A is your answer I think
The statement which is false among the given answer options is: a) Companies that use Software-as-a-Service are running applications on the vendor’s hardware.
Software-as-a-Service (SaaS) can be defined as a cloud computing delivery model that typically involves making licensed software programs (applications) available over the Internet for use by end users (clients) on a subscription basis through a vendor (third-party) or by centrally hosting it in the cloud.
Some examples of Software-as-a-Service (SaaS) include the following:
BigcommerceSalesforceSlackDropboxGenerally, companies that use Software-as-a-Service (SaaS) are running software programs (applications) on their computer's hardware rather than the vendor’s hardware.
In conclusion, all of the other answer options except A are true and correct.
Find more information: https://brainly.com/question/15062747
With _____ computing, users can make use of other computers’ resources within an organization to solve problems involving large-scale, complex calculations, such as circuit analysis or mechanical design-problems that a single computer is not capable of solving in a timely manner.
Answer:
Grid computing
Explanation:
In grid computing computers have a distributed architecture. This means computers connect together so as to share different resources such as memory and storage. In the network each computer has a specific task that contributes to the solution of at complex problem . This architecture increases the processing speed of the network giving solutions in the shortest possible time.
Technician A says that vehicles with electronic returnless fuel systems use pulse width modulation to power the fuel pump and maintain fuel pressure. Technician B says that the electronic returnless fuel system uses a power transistor to control the fuel pump. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician
Answer:
The correct option to the following question is option (C) Both technician.
Explanation:
Because both the technician says correct that is the returnless fuel system use both of the techniques which is by the use of transistor or by the use of the width modulation by which they control fuel pump.
PWM(Pulse Width Modulation) can work by pulsates the direct current and the other ways by which it works.
So, the other options are false because both are true.
Final answer:
Both Technician A and B are correct as electronic returnless fuel systems use pulse width modulation, controlled by a fuel pump driver module, which may include a power transistor to manage the fuel pump and maintain pressure.
Explanation:
The question pertains to the control mechanisms used in electronic returnless fuel systems in vehicles. Technician A states that these systems use pulse width modulation to control the fuel pump speed and thereby maintain fuel pressure. Technician B suggests that a power transistor is used to control the fuel pump in these systems.
Electronic returnless fuel systems do indeed use pulse width modulation to control the fuel pump, which allows for precise control over fuel pressure without returning excess fuel to the tank. A fuel pump driver module controls the voltage sent to the fuel pump, which can include using a power transistor. Therefore, both technicians are correct as they're describing different aspects of the same system.
The answer to the question is C) Both technicians.
The elements of an integer-valued array can be set to 0 (i.e., the array can be cleared) recursively as follows: An array of size 0 is already cleared; Otherwise, set the last of the uncleared elements of the array to 0, and clear the rest of the array Write a void method named clear that accepts an integer array, and the number of elements in the array and sets the elements of the array to 0.
The clear void method sets all elements of an integer array to 0 using recursion, with a base case of an array of size 0 and a recursive step that zeroes the last element and reduces the array size by one.
Explanation:The student's question involves writing a void method in programming to clear an integer array by setting all of its elements to 0 using recursion. A recursive method is a function that calls itself in order to break down the problem into smaller instances. Here is an example of how you might write the clear method in Java:
void clear(int[] array, int size) {This method relies on the concept that an array of size 0 is already cleared, which serves as the base case for the recursion. If the size is greater than 0, the method sets the last element of the current array to 0 and calls itself with the reduced array size until it reaches the base case.
When starting a computer running Windows Vista, a technician sees that the error message "BOOTMGR is missing" appears after the POST. What are two possible solutions for this problem? (Choose two.)a. Restore boot.ini from the installation media.b. Restore BOOTMGR using the Windows Recovery Environment.c. Run the bootrec /fixboot command.d. Run virus removal software.e. Secure the display adapter on the motherboard.f. Run chkdsk /F /R from the recovery console.
Answer:
B and C
Explanation:
Possible solution to solving "BOOTMGR is missing" error in Windows Vista is to use the Windows Recovery Environment.
Another option is to run "bootrec/fixboot" command from the comman prompt and the command prompt is also accessible from the windows recovery environment.
What is network topology? Group of answer choices a) A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients b) Occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer c) Refers to the geometric arrangement of the actual physical organization of the computers (and other network devices) in a network d) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination.
Answer:
C
Explanation:
_________is the starting point for measuring the performance, accuracy, and completeness of the finished system before entering the systems design phase
Answer:
"Software Requirement Specification " is the correct answer for the given question.
Explanation:
Software Requirement Specification describe the role as well as features of Software project .The software Requirement specification in the software development life cycle is the initial point which check the performance ,accuracy in the system.Their are following objective about Software Requirement Specification .
It describe the list of mendatory requirement of software project.The main advantage of software Requirement specification is to minimize the risk of software failure.Which is a net ionic equation for the neutralization of a weak acid with a strong base?
Answer: A net ionic equation for the neutralization of a weak acid with a strong base is:
Explanation:
- Let´s consider this balanced molecular equation:
HCN(aq) + NaOH(aq) --------} NaCN(aq) + H2O(l)
- You can see it is an acid-base reaction because OH (-) is taking away the H from HCN.
Where: NaOH(aq) is the base and
HCN(aq) is a weak acid as it has no oxygen.
- For the total ionic equation we will break up all the possible break ups and we get:
HCN(aq) + Na (+)(aq)+ OH(-) (aq) --------- } Na (+)(aq)+CN(-) (aq) + H2O(l)
- For the net ionic equation we reduce:
HCN(aq) + OH(-)(aq) -------- } CN(-)(aq) + H2O(l)
- We get the weak acid HCN(aq) plus the hidroxide ion which is the base.
The spectator ions is Na(+)
The net ionic equation for the reaction of any strong acid with any strong base is identical
Net ionic equations for acid-base reactions a neutralization reaction between a weak acid, HCN, and a strong base, KOH.
A weak acid, weak base reaction can be shown by the net ionic equation example:
HCl(aq) + NaOH(aq) ↔ H2O(l) + NaCl(aq) HF(aq) + OH-(aq) ↔ H2O(l) + F-(aq) HF(aq) + NaOH(aq) ↔ H2O(l) + NaF(aq) H3O+(aq) + OH-(aq) ↔ 2 H2O(l)
When a strong acid neutralizes a weak base, the resulting solution's pH will be less than 7.
Weak acids as hydrofluoric, HF only dissociate partially or will react with sodium hydroxide, NaOH , a strong base, to produce aqueous sodium fluoride, NaF , and water to get the net ionic equation that describes this neutralization reaction.
They are not considered to split apart into ions when writing net ionic equations.
This reaction is considered a neutralization reaction. The base (NaOH) and weak acid (CH3COOH) react to produce a salt (NaNO3 and water (H2O).
By examining the source and destination addresses, the application usage, the source of origin, and the relationship between current packets with the previous packets of the same session, __________ firewalls are able to grant a broader range of access for authorized users and activities and actively watch for and block unauthorized users and activities.A. Static packet-filteringB. Application-level gatewayC. Stateful inspectionD. Circuit-level gateway
The relationship between current packets with the previous packets of the same session, Stateful inspection firewalls are able to grant a broader range of access for authorized users and activities and actively watch for and block unauthorized users and activities.
C. Stateful inspection
Explanation:
Basically packet filtering handles in gateways level at firewall. As Network administrator he or she keep monitoring the network packet, if any unauthorized user login is found on any session or same session it is consider as high risk.
These shows some illegal access to computer has be executed as immediate action network engineer has to see logs and their activities in firewall either if it invalid transaction immediately he has put filter of ip address or mac address possible.
Network administration he or she update firewall patches at regular intervals.
Neil holds a discussion session with his clients. He recommends the kinds of network topologies the clients should consider, according to their circumstances.
Neil's client wants to follow the current trends with everyone else in terms of speed and versatility. He is risk-averse and wants to leverage the most popular local area network (LAN) topology. Which of the following will Neil recommend to this client?
A. A bus network
B. A ring network
C. A hub network
D. A star network
Answer:
Neil should recommend to this client a star network.
Explanation:
A star network is a computer network where every host is connected to a central hub, switch, or computer.
Main advantage of a star network is that one corruption (unless it is central hub) doesn't affect the rest of the network, and it's easy to modify.
The star network is one of the most common computer network setups
A penetration testing manager is contributing to an RFP for the purchase of a new platform. The manager has provided the following requirements:_______
Must be able to MITM web-based protocols
Must be able to find common misconfigurations and security holes
Which of the following types of testing should be included in the testing platform?
A. Reverse engineering tool
B. HTTP intercepting proxy
C. Vulnerability scanner
D. File integrity monitor
E. Password cracker
F. Fuzzer
The manager has provided the following requirements Password cracker:
E. Password cracker
Explanation:
MITM is used to protect from hackers where they can hack the web site and misused the data. Basically man is in middle that monitors the network traffics between to tcpip and address and login as unauthorized person.
As RFP is a bidding process for purchase new product or new platform with complete document in details.
End user has to take care of hackers attack and make sure it is protected with all security holes.
Fuzzer is tool where send user data and check the security vulnerabilities and make sure it is protected.
It is not considered as high accuracy.
What is emerging as a major business area of innovation that offers a flexible collection of computers on the Internet that can perform tasks previously performed on corporate computers?a. the android os
b. cloud computing
c. grid computing
d. use of web os
e. the use of non sql databases?
Answer:
Option (D) i.e., cloud computing is the correct answer to the following question.
Explanation:
The following option is correct because cloud computing is a better way to store our application, data, and programs on the internet with privacy and without storing them into the hard drives.
So, that's why the following option is correct. It simple words, cloud computing provides us the facility to store data through the internet without storing them into the drive.
The system partition is the partition that contains the files required to load the operating system (bootmgr, and BCD). The system partition must be_____. A. marked active B. a dynamic volume C. an extended partition D. formatted with the FAT32 file system E. formatted with the NTFS file system
The system partition must be marked active
A. marked active
Explanation:
To boot on bootmgr and load the operating system, first it should be formatted with fat32 or ntf32 and make it active the partition. Partition is made through windows disk manager from control panel or DISKPART tools which is available in operating system.
These tools are ready and handy which is available. When we make partition it will prompt for number GIGA BYTE OR MEGA BYTE size after end user input or select, next step to select disk format type such as FAT32 or NTFS.
Partition can be made at during installing operating system and made active (BOOTMGR).
Peering refers to:
a. high-speed data lines provided by many firms all across the world that interconnect and collectively form the core of the Internet.
b. the broadband service provided via light-transmitting fiber-optic cables.
c. the language used to compose Web pages.
d. a situation when separate ISPs connect their networking equipment together to share traffic.
e. a system that connects end users to the Internet.
Answer:
Peering refers to a situation when separate ISPs connect their networking equipment together to share traffic.
Explanation:
In computer networking, peering is a voluntary interconnection of administratively separate Internet networks for the purpose of exchanging traffic between the users of each network.
It allows ISPs to directly hand off traffic between each other's customers, without having to pay a third party to carry that traffic across the Internet for them.
A well-structured relation is a relation that contains a minimum amount of redundancy and that allows users to insert, modify, and delete the rows without error or inconsistencies and is also known as a ________.
Answer:
"Table" is the correct answer for the given question.
Explanation:
Table are the collection of rows and table in database we can insert the data in the table .The well-structured relation is a table which contains the minimum duplicacy i.e redundancy with the help of normalization concept.
In a table the user can insert ,modify and delete the record without any error .The main advantage of well structured relation is that record is consistent .In the well structured relation the duplicacy of record is very minimum.Because Microsoft Access includes not only the software needed to create a database, but also the software needed to create forms, reports, data dictionaries and other capabilities, it is often referred to as a Database ___ System.
Answer:
Management
Explanation:
Because Microsoft Access includes not only the software needed to create a database but also the software needed to create forms, reports, data dictionaries, and other capabilities, it is often referred to as a Database Management System (DBMS). A DBMS is used to maintain data consistency by managing the storage and retrieval of the data. Microsoft access can create and administer a database and has query components that are analogues to most DBMS.
Assume that input file references a Scanner object that was used to open a file. Which of the following while loops shows the correct way to read data from the file until the end of the file is reached?
a. while (inputFile != null)
b. while (!inputFile.EOF)
c. while (inputFile.hasnextInt())
d. while (inputFile.nextLine == " ")
e. while (inputFile.hasnextInt())
Answer:
The answer is letter C
Explanation:
The correct way to read data from the file until the end of the file is reached is while (inputFile.hasnextInt())
After Maya gave her friend the password to a protected website, the friend was able to remember it only long enough to type it into the password box. In this instance, the password was clearly stored in her ________ memory.
Answer:
short term
Explanation:
Short-term memory is the capacity for holding, but not manipulating, a small amount of information in mind in an active, readily available state for a short period of time.
For example, after Maya gave her friend the password to a protected website, the friend was able to remember it only long enough to type it into the password box. In this instance, the password was clearly stored in her short term memory.
Answer:
Short-term memory
An OR function nested in an IF function results in
A. returning a certain formula or value if one of either two conditions is met.
B. returning a certain formula or value if all listed conditions are met.
C. applying either one formula or another regardless of which conditions are met.
D. applying two or more formulas regardless of which conditions are met.
Answer: C: an IF function within an IF function
Explanation:
"What technology will examine the current state of a network device before allowing it can to connect to the network and force any device that does not meet a specified set of criteria to connect only to a quarantine network?
A. network access control
B. virtual LANs
C. network address translation
D. host health checks "
Answer:
a network access control
If you type too much text on a PowerPoint slide, the additional text is added to a second slide.
A) True
B) False
Answer:
This is false
The text just goes out of the slide and you can't see it until you lower the font size or until you delete some of it.
Explanation:
Answer:
false
Explanation:
im taking the test
In the code segment below, assume that the int array numArr has been properly declared and initialized. The code segment is intended to reverse the order of the elements in numArr. For example, if numArr initially contains {1, 3, 5, 7, 9}, it should contain {9, 7, 5, 3, 1} after the code segment executes. /* missing loop header */
Final Answer:
The missing loop header should be:
c for (int i = 0; i < numArr.length / 2; i++)
{int temp = numArr[i];
numArr[i] = numArr[numArr.length - 1 - i];
numArr[numArr.length - 1 - i] = temp;}
Explanation:
To reverse the order of elements in `numArr`, we need to iterate through the array using a loop that goes up to half its length. This is because we are swapping elements from the beginning with elements from the end, gradually moving towards the center. The loop header `for (int i = 0; i < numArr.length / 2; i++)` accomplishes this.
Inside the loop, we use a temporary variable `temp` to temporarily store the value at index `i`. We then assign the value at the corresponding position from the end of the array to index `i` and finally assign the value stored in `temp` to the position from the end. This swapping process continues until we reach the middle of the array, effectively reversing its order.
In mathematical terms, the loop iterates from `i = 0` to `i = numArr.length / 2 - 1`, ensuring that each element is swapped with its corresponding element from the end. The use of the temporary variable ensures that the values are exchanged without loss. The loop operates in O(n/2) time complexity, which simplifies to O(n), where n is the length of the array. This algorithm is efficient and widely used for reversing arrays in-place.
In order to average together values that match two different conditions in different ranges, an Excel user should use the _____ function.
Answer:
The answer to this question is the "SUMIFS" function.
Explanation:
The SUMIFS function is a part of Microsoft Excel. It is used to add the number of multi-criteria cells. This function supports logical operators and wildcards. The main purpose to use this function provides a sum of cells with match multiple criteria. The syntax of this function can be given as:
Syntax:
=SUMIFS (sum_ranges, range_1, criteria_1, [range_2], [criteria_2], ...)
In the above syntax, we use 5 arguments in function that can be defined as:
The sum_range argument is used to sum of range to be summed. The range_1 and range_2 arguments are stands for first and second ranges for evaluating. In which the range_2 can be optional. The criteria_1 and criteria_2 is used in range, which are range_1 and range_2.
Shelli runs a small boutique in Tel Aviv. Her intern just came to her with a new design for her Web site. Shelli really likes the design, and she informs the intern that he is quite the artist. Section reference 1The intern responds that he found the design on the Internet. Shelli replies that they can’t use it. Her decision reflects which ethical issue related to IT?
Answer:
Copyright issue
Explanation:
Copyright issue is very much a problem in the field of IT. Copyright means that whatever an author created cannot be used or published by anyone else without the consent of the author. The content created by an author can be in any form: art, idea or whatever form.
The Internet is a hierarchical structure linking different levels of service providers whose millions of devices supply all the interconnections. Which of the following lists the three levels outlined in the book, in order, from the companies that own the worldwide backbone of the Internet down through the companies that specialize in maintenance and support?
Answer:
Explanation:
These are the three diffrent levels listed below;
1) NSP (National Service Provider)
2) RSP (Regional Service Provider)
3) ISP (Internet Service Provider)