Answer:
name.charAt(0);
Explanation:
Given: 'name' is a variable of type String that has been assigned a value.
To determine: an expression whose value is the first character of the value of name.
Let us assume nae is assigned the value "test". So our expression should return the first character , that is 't'.
In order to do this, we can use the charAt method of String object.
String name="test";
char c = name.charAt(0);
Here 0 corresponds to the index of the character we are interested in.
Jennifer, a customer, informs you that unexpected icons are appearing on her system's desktop. You identify the symptoms of the malware infection. Which of the following procedures will you perform next?A. Quarantine infected system
B. Schedule scans and run updates
C. Report the issue to the information security officer
D. Disable System Restore (in Windows)
E. Educate end user
Answer:
B. Schedule scans and run updates.
Explanation:
With a malware infection you have to scan the computer with an antivirus immediately. Then, you run possible updates to get the system stronger.
From which type of data storage does the CPU load information for processing during normal operation?
hard drive
RAM
SSD
ROM
Answer:
RAM
Explanation:
Computers use two kinds of storage: The primary and secondary storage. The CPU interacts with main memory, or the primary storage, or the RAM, by referring to it for instructions and data. Every time we load or open something on our computers, it is placed in RAM so that the CPU can access that temporary stored information more easily. It requests data or instructions from RAM, process it and then writes some new data back to the RAM in a continuous complete cycle.
Low-level languages allow programmers to concentrate on the tasks they want to perform with their program rather than the details of how the CPU will execute those programs. True False
Answer:
False.
Explanation:
The answer is the opposite, low level languagues are intended to allow the programmer full control of the cpu process, and perfomance.
But the disadvantages are: requires high level of expertise, its hard to program complex task.
High level languages allow programmers to concentrate in the task.
___________ is an approach to boundary spanning that results from using sophisticated software to search through large amounts of internal and external data to spot patterns, trends, and relationships that might be significant.
Answer: Business intelligence
Explanation:
Most of the enterprises and organizations collects huge amount of data through the use of MIS. These data can be based on any aspect of the business. But the collection of such large sets of data is useless until and unless there is a business intelligence associated with it. the work of business intelligence is to use software tools for analysis of the collected data so that it could be useful for enterprise or company to look for patterns and trends in the market.
The outcome of such business intelligence is very helpful particularly to managers, executives for taking particular decisions in the greater interest of the company.
So we can say, business intelligence is an approach to boundary spanning that results from using sophisticated software to search through large amounts of internal and external data to spot patterns, trends, and relationships that might be significant.
In a particular jurisdiction, taxi fares consist of a base fare of $4.00, plus $0.25 for every 140 meters traveled. Write a function that takes the distance traveled (in kilometers) as its only parameter and returns the total fare as its only result. Write a main program that demonstrates the function.
Answer:
// here is code in java.
import java.util.*;
// class definition
class Main
{
// method that return total fare
public static double fare(double dis)
{
// calculate the total fare
double tot_fare=(4+((dis*1000)/140)*0.25);
return the fare
return tot_fare;
}
//driver method
public static void main (String[] args) throws java.lang.Exception
{
try{
// scanner object to read input string
Scanner s=new Scanner(System.in);
// variable
double dis;
System.out.print("please enter the distance in KM: ");
//read the number
dis=s.nextDouble();
// call the function with "dis" parameter
double ride_fare=fare(dis);
// print the total fare
System.out.println("total fare is: "+ride_fare);
}catch(Exception ex){
return;}
}
}
Explanation:
Read the distance from user with the help of scanner class.Call the function with parameter "dis".Here it will calculate the total fare as (4+((dis*1000)/140)*0.25). Here base fare is $4 and $0.25 for every 140 meter.Then function will return the total fare.
Output:
please enter the distance in KM: 7
total fare is: 16.5
A user has a network device that streams media to the LAN. The device is visible on the network. All PCs on the LAN can ping the device. All firewalls are turned off. The streaming device appears to function properly, but the media will not stream as requested. Which of the following TCP/IP technologies is not implemented properly?A. MulticastB. BroadcastsC. UnicastD. Anycast
Answer: A. Multicast
Explanation:
Here we are given a situation where it is necessary for the device to stream media to all the PCs connected across the LAN. But as the they are unable to stream the media then it is a problem in the multicast TCP/Ip technology.
Multicasting enables to transfer information or messages from one to many or many to many. Here as a single device is responsible for streaming the content to other PCs across the LAN, therefore it is necessary that multicast has been properly implemented.
Option B is incorrect as it is not a scenario of broadcast as in broadcasting all the receivers must get the streaming however here if a PC does not want to receive the media stream it cannot receive for which multicasting is required.
Option C is incorrect as here we are not talking of one to one communication.
Option D is incorrect as here we cannot have more than one route to send the media content except the LAN.
Due to advances in high speed communication networks, the information lag, or the time it takes for information to be disseminated around the world, has been significantly shortened. True or False?
Answer:
True
Explanation:
Latency is a more proper term to describe de the time it takes for a client to send a request and recieve a response form the server. When the latency is too high when playing games online, the user will experience delays and even the game will freeze in the worst cases. This delay on online gaming is what we called lag and can be reduced thanks to the advances in communication networks. Higher bandwitdths are now possible due to network technologies like optical fiber and the implementation of 5G mobile network will also boost data speed for mobile games. It is also true there are other ways to reduice lag that does not require a change to a faster network; sometimes a better use of the network connection is good enough, but it is totally right that faster communication network have reduced information lag and allow users to have access to games than decades ago would have been imposible to play due to network limitations.
A department manager would like to choose an access control model in which the owner of a resource decides who may modify permissions on that resource. Which model fits that scenario?
Answer: Discretionary access control (DAC)
Explanation: Discretionary access control is the control system that is imposed over the information system. The information systems contains different objects and subjects that gets the permission to do the operations.
The operation which the components can do are sharing the data to other object or subjects, privilege providence, change in the rules for the access, security entities getting changed etc.
In a fantasy world, your character must face hordes of demons. Each demon is vulnerable to a type of magical spell. This weakness is exposed through trial and error. What kind of challenge has been described here?
extrinsic knowledge
imperfect information
perfect information
intrinsic knowledge
Answer:
Imperfect information
Explanation:
-Extrinsic knowledge refers to information that comes from the outside.
-Imperfect information refers to a situation in which a player doesn't know all the information needed from the beginning of the game when he has to do something.
-Perfect information refers to a situation in which a player knows all the information needed from the beginning of the game when he has to do something.
-Intrinsic knowledge refers to the information that a person knows without realizing it.
According to the definitions, the kind of challenge that has been describe in this situation where the weakness of the demon is exposed through trial and error is imperfect information.
Answer:
D. intrinsic knowledge
Explanation:
So just for this question, we want to keep our eyes on A and D. Keep in mind that A and D are the complete opposite of each other, so the best way I can put it simply is that in the gaming world "extrinsic knowledge" is like an action game, however, "intrinsic knowledge" is like a puzzle game. And as we see in the question your player has to think their way out, so it leans more into "intrinsic knowledge" than anything.
So again its D. intrinsic knowledgeI HOPE THIS HELPS! STAY AWESOME!Explain what the World Wide Web is, including several tasks that can be accomplished online. Include definitions of the following terms in your response: webpage, downloading, website, and web server.
Final answer:
The World Wide Web is a system of interconnected documents and resources accessed through the Internet. It includes webpages, downloading, websites, and web servers. Webpages are single documents on the web, downloading is transferring files, websites are collections of webpages, and web servers store and deliver website files.
Explanation:
The World Wide Web (WWW) is a system of interconnected documents and resources accessed through the Internet. It allows users to navigate between webpages and perform various tasks online. A webpage is a single document on the web that can contain text, images, videos, and other multimedia elements. When you download something, you are transferring a file from a remote server to your local device. A website is a collection of webpages that are related to each other and hosted on a web server. A web server is a computer that stores the files and data associated with a website and delivers them to users upon request.
Given an integer variable count, write a statement that displays the value of count on the screen. Do not display anything else on the screen -- just the value of count.
Answer:
cout<<count;
Explanation:
The above statement is in c++ which display the value of count .The cout statement is used in c++ to print the value on console .
Following are the code in c++
#include <iostream> // header file
using namespace std; // namespace
int main() // main method
{
int count=90; // count variable
cout<<count; // display the value of count
return 0;
}
Output:
90
In this program we have declared a count variable of integer type which is initialized by 90 and finally displays the value of count on the screen.
What component of enterprise level structured cabling serves as the location where an incoming network interface enters a building and connects with the building's backbone cabling?
Answer: Entrance facility
Explanation: Entrance facility is the service of the telecommunication field that provide entrance in the building in the situation of private network cabling and public network cabling.
This cabling connects the outdoor cables to the backbone cabling of building.The points that can be cabled at the entrance point like wall of the building, entrance room, floor of the building etc.
Final answer:
The Entrance Facility (EF) is the component in enterprise-level structured cabling where external communication lines enter a building and connect to the backbone cabling. It handles the transition from outdoor to indoor cabling and adheres to standards for structured cabling systems.
Explanation:
The component of enterprise-level structured cabling that serves as the location where an incoming network interface enters a building and connects with the building's backbone cabling is known as the Entrance Facility (EF). This crucial segment is where external communication lines from service providers, which can include telephone lines and data services, meet the internal cabling infrastructure. Within the EF, the transition from outdoor cabling to indoor cabling takes place, which may involve connecting to different types of media such as copper, fiber optic, or coaxial cables.
The structured cabling system typically adheres to a set of standards like ANSI/TIA-568 that outline how to wire an office or building for data or voice communications. These standards ensure connectivity for various structures and devices used for communications, including computers, servers, and telecommunication devices. The backbone cabling then distributes these connections throughout the building to different floors or sections via intermediate and horizontal distribution frames.
Gateways: a. process all messages, even if the messages are not explicitly addressed to them b. can translate one network protocol into anotherc. are less complex than bridgesd. are most often used as the interface between two or more networks that have similar data link and network layer protocolse. cannot perform a routing function
Answer: B)can translate one network protocol into another
Explanation: Gateway is the element that acts between the two networks that persist protocols that are different from each other. It helps in the translation of one protocol into another protocol and thus it is known as protocol converter.
Other options are incorrect because they don't work on explicit messages, complexity is present in gateways as compared with bridges and is used between dissimilar protocols not data.Thus, the correct option is option(B).
The science of nutrition studies the relationship of a. vitamins to minerals. b. foods to optimal health and performance. c. carbohydrates, fats, and proteins to the development and maintenance of good health. d. the macronutrients and micronutrients to physical performance. e. kilocalories to calories in food items
Answer:
B. Foods to optimal health and performance.
Explanation:
Because the science of nutrition is the relation between food diet and health. It's like eating to have good health, that's all.
The science of nutrition focuses on studying the relationship between carbohydrates, fats, proteins, and other nutrients in foods to the development and maintenance of good health. Therefore, the correct option is C.
It looks at the effects of these macronutrients and other important nutrients on the growth, development and general health of the body. Vitamins, minerals and other micronutrients are also taken into account by nutrition science as they are important for maintaining good health.
Nutritional science seeks to provide insight into appropriate dietary choices, nutritional standards, and methods for promoting health and preventing disease by understanding the composition and effects of various nutrients.
Therefore, the correct option is C.
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A user’s laptop hard drive contains sensitive information. The user often plugs the laptop into the corporate network. A sensitive file from the laptop has been found on another users laptop. How could the user have prevented this breach?
Answer:
the user should disable file and print sharing on the laptop
Explanation:
According to my research on information technology and cyber security, I can say that based on the information provided within the question in order to prevent this the user should disable file and print sharing on the laptop. This is because this file and printer sharing allows users to see your files that you have available as shared and copy or print those files. Which if they are sensitive data you should just disable this option so that people on the same network cannot see or access these files.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
Final answer:
To prevent data breaches, users should implement strong passwords, use file encryption, avoid insecure networks, and follow secure file sharing practices. Additionally, using VPNs, network access controls, and staying up-to-date with privacy rights and policies are important. Organizations should train employees to recognize phishing attacks and have a response plan for breaches.
Explanation:
Preventing Data Breaches in a Corporate Environment:
To prevent a sensitive file from a laptop from being found on another user's laptop, several steps could have been taken by the user. Firstly, using a combination of strong passwords, file encryption, and secure file sharing practices would make unauthorized access more difficult. This includes avoiding the sharing of passwords and ensuring the laptop is running updated security software to protect against malware and other threats. It's also critical to be cautious of the networks to which the laptop is connected; unsecured or public networks should be avoided for transmission of sensitive information.
Secondly, the user could employ network security measures such as Virtual Private Networks (VPNs) and network access controls to restrict unauthorized access. Additionally, educating oneself on privacy rights and reading privacy policies is essential.
Lastly, organizations should implement comprehensive security policies that include regular security training for employees, to make them aware of phishing attacks and other tactics used by cybercriminals. It's important for businesses, organizations, and even governments to have a response plan in case of a data breach.
Yuri is a skilled computer security expert who attempts to break into the systems belonging to his clients. He has permission from the clients to perform this testing as part of a paid contract. What type of person is Yuri?
a) Cracker
b) White-hat hacker
c) Black-hat hacker
d) Grey-hat hacker
Answer:
b) White-hat hacker
Explanation:
This is also called an ethical hacker. Unlike the other options, a white-hat hacker is a person specialized on computational security which offers services to organizations to test how safe they are from informatic attacks (viruses, theft of information, etc). This is carried out based on a agreement between the whihte-hat hacker and the client via a contract.
Your company has merged with another company that also uses Windows Server 2016 and Active Directory. You want to give the other company's users access to your company's forest resources and vice versa without duplicating account information and with the least administrative effort. How can you achieve this goal?
Answer:Creation of two-way forest trust
Explanation: In active directory, Two way forest trusty is the two way trusting condition where one forest trust the other forest and it works same for both forest.The forest domain of one forest is reliable and have trusty relationship with the other forest and vice-versa.
This function of the forest helps all the users to reliably access all the components of both the domains.Thus two-way forest trust should be created between the two organization mentioned in the question.
If an application written for an earlier version of Windows doesn't run correctly the operating system can emulate its own older version to allow a given program to work with newer hardware or software. The compatibility mode settings in Windows can be changed by: ______________.
a) Right-clicking the program icon and choosing "Restore previous versions" option from the menu
b) Right-clicking the program icon, clicking Properties, and then applying the required settings on the Compatibility tab
c) Right-clicking the program icon and selecting "Run program using recommended compatibility settings" option from the pop-up menu
d) Right-clicking the program icon and selecting "Run as administrator" option from the pop-up menu
Answer:
The answer is b) Right-clicking the program icon, clicking Properties, and then applying the required settings on the Compatibility tab.
Explanation:
If you have to run an application on a specific operating system, you have to configure the compatibility by accessing in its Properties, then Compatibility tab, and configure the operating system properly.
___________, such as smart phones and social media, fundamentally change the nature of an industry and can be influential enough to create or destroy whole companies.
Answer:
Disruptive Technologies.
Explanation:
Smart Phones and the social media are very power tools they can be used to spread a news like a fire very rapidly.
People mostly believe the new that come on their smartphones and the social media.
So the employees of the company can also be influenced by these technologies hence they can disrupt the work of the company and can make or break the company.
What kind of programming language allows you to use a vocabulary of reasonable terms such as "read," "write," or "add" instead of the sequence of on/off switches that perform these tasks?
Answer:
High level programming language
Explanation:
There are two groups of programming software:
1. High level programing: Here you can program using almost natural languaje and making complex instructions on a simpler way. The advantages is faster programming and the ability to do complex programs. In this example we can use languages like C/C++, visualbasic.
2. Low level programming: This type of programing is near to machine language (binary - '0' and '1'), and usually is used to obtain full performance of the processor. But requires a high level of expertise from the programmer and is complex to write simple task, like "store a variable". Example: Assembler languague.
_____ refers to the use of a digital forum where multiple people can communicate with one another by sending text, images, and screenshots to everyone at once. Select one:
a. Wiki
b. Chat
c. Desktop sharing
d. Shared workspace
Answer:
b. Chat
Explanation:
Chat refers to the use of a digital forum where multiple people can communicate with one another by sending text, images, and screenshots to everyone at once. In particular where content is shared with multiple users simultaneously, it is referred to as group chat. There are several chatting applications available from software vendors which can be used for this purpose.
If you have translated someone else's work into a different language, you do not need to include a citation, reference or quotation marks because the words are your own and you can take credit for the translation.True / False.
It is false that if you have translated someone else's work into a different language, you do not need to include a citation, reference or quotation marks because the words are your own and you can take credit for the translation.
What is translation?Language translation is the method of converting written words from one language into another in a culturally and linguistically appropriate manner so that they can be understood by their intended audience.
Translation is required for the global dissemination of new information, knowledge, and ideas. It is absolutely necessary for effective communication between cultures.
If you translate a passage from one language into another on your own in your paper, it is considered a paraphrase rather than a direct quotation.
To cite your translated material, simply include the author and date of the material in the in-text citation.
Thus, the given statement is false.
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The _____ establishes that the destination device is present on the network, verifies active service, and informs the destination device that it intends to establish a communication session.
Answer: Three way handshake
Explanation:
The three way handshake is the process in which it established a connection at the destination device in the network. It also verifies the currently active services in the network.
The three way shake process basically uses in the transmission control protocol(TCP) and it also inform to the destination device about the communication session.
Three way handshake process are properly understand in the TCP segment header by the various values in the two host exchange.
"Which type of resource record addition allows computers to register or update their own DNS records, or DHCP can update DNS on behalf of the clients when the clients lease a new IP address?"
ebola
and
aids
......................................................
When using HTML5 and typing text within the tags of a page, browsers will preserve and display all white space characters (spaces, tabs, newlines) as typed. True or false?
Answer:
Hi!
The answer is false.
Explanation:
The browsers ignore tab indents, double-spaces, newlines, and another typographic formatting when using HTML5.
You can use the tag <pre> to preserve and display typographic formatting as typed.
Furthrmore:
For indent a text, you should use CSS. For spaces, you should use  . For newlines is commonly used the <div> tag.Developers often think of software quality in terms of faults and failures. Faults are problems (for example, loops that never terminate or misplaced commas in statements) that developers can see by looking at the code. Failures are problems, such as a system crash or the invocation of the wrong function, that are visible to the user. Thus, faults can exist in programs but never become failures, because the conditions under which a fault becomes a failure are never reached. How do software vulnerabilities fit into this scheme of faults and failures? Is every fault a vulnerability? Is every vulnerability a fault?
While developing application solutions, software developers are always advised to consider producing secure code that is not vulnerable to hacks. Vulnerabilities, in the simplest of terms, can be described as an error or a fault in code. These errors or bugs, as a result, can cause unexpected actions like system crashes or connectivity issues. Some can go as far as creating information leakage and allowing unauthorized system access. Therefore, it is almost always certain that some bugs will cause vulnerabilities on software that have those bugs in them. It is also fit to say that faults in software are part of a larger list of factors that can cause software vulnerabilities. However, note that not all vulnerabilities are faults.
Halcyon, an e-publisher has recently decided to use an information system that administers the way its customers access its online publications. The system assigns each customer with a unique ID, maintains records of the books purchased by them, encrypts electronic documents for transmission, and includes options to order hard copies of the electronic documents they read online. Which of the following refers to the set of technologies used in this case?
A. online identity management
B. digital rights management
C. internet resource management
D. inventory management
A switch has just arrived from Cisco. The switch has never been configured with any VLANs, but VTP has been disabled. An engineer gets into configuration mode and issues the vlan 22 command, followed by the name Hannahs-VLAN command. Which of the following are true? (Choose two answers.)
a. VLAN 22 is listed in the output of the show vlan brief command.
b. VLAN 22 is listed in the output of the show running-config command.
c. VLAN 22 is not created by this process.
d. VLAN 22 does not exist in that switch until at least one interface is assigned to that VLAN.
A. B and C
B. C and D
C. A and B
D. A and D
Answer:
C. A and B
Explanation:
The switch was never been configured with VLANs before and the VTP also has been disabled.So by issuing the vlan 22 command and Hannahs-VLAN command.VLAN 22 will be listed in the output of the show vlan brief command and VLAN 22 will be llisted in the output of the show running - config command.Hence the answer is option C. (A and B) .
A user has just reported that he downloaded a file from a prospective client using IM. The user indicates that the file was called account.doC) The system has been behaving unusually since he downloaded the file. What is the most likely event that occurred?A) Your user inadvertently downloaded a macro virus using IM.B) Your user may have downloaded a rootkit.C) Your user may have accidently changed a setting on the system.D) The system is unstable due to the use of IM.
Answer: A) Your user inadvertently downloaded a macro virus using IM
Explanation:
As the user has downloaded a file from a prospective client ad the file was account.doc, but since then the system of the user has not been behaving normally so the most possible reason could have been the user has inadvertently downloaded a micro virus using the IM. These micro virus are invisible programs which can be transferred inadvertently from one user to another another. They can be transported over the network.
Option b is not correct as the user has not download a rootkit as it would require special privileges.
Option c is not correct as the user upon changing a setting in the system can reset it.
Option d is not correct as using the IM is not unstable to the system.
So, the correct option is A.
Write the definition of a method named printPowerOfTwoStars that receives a non-negative integer n and prints a string consisting of "2 to the n" asterisks. So, if the method received 4 it would print 2 to the 4 asterisks, that is, 16 asterisks: ����**************** and if it received 0 it would print 2 to the 0 (i.e. 1) asterisks:
Answer:
import java.io.*;
import java.util.*;
import java.lang.Math;
class GFG {
public static void PowerOfTwoStars(int n){
double a=Math.pow(2,n); //calculating the power..
for (int i=1;i<=a;i++)//looping to print the stars.
{
System.out.print("*");
}
}
public static void main (String[] args) {
Scanner star=new Scanner(System.in);//creating the scanner class object.
int n=star.nextInt();//taking input.
PowerOfTwoStars(n);//calling the function.
}
}
Input:-
3
Output:-
********
Explanation:
In the method PowerOfTwoStars which contains one argument I have calculated the power that is 2 to the n.Then looping form 1 to power and printing the stars and for better explanation please refer the comments the code.