The Reconnaissance stage of the attack methodology is a systematic survey of the target organization's Internet addresses, conducted to identify the network services offered by the hosts in that range.
The reconnaissance stage of the attack methodology is a systematic survey of the target organization’s Internet addresses, conducted to identify the network services offered by the hosts in that range. During this stage, attackers use various tools and techniques to gather information about the target network, such as conducting port scans, pinging the hosts, and gathering information from public sources. This information is then used to identify vulnerabilities and potential attack vectors that can be exploited.
Therefore, it is critical for organizations to be aware of the reconnaissance stage of the attack methodology and take appropriate measures to prevent or detect it. This includes implementing network security measures such as firewalls, intrusion detection/prevention systems, and vulnerability scanners, as well as monitoring network traffic for suspicious activity. Additionally, regular security audits and penetration testing can help identify and address vulnerabilities before attackers have a chance to exploit them.
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What port on a name server is used for user datagram protocol (udp) name request packets?
The port name that is used on the server is port 53 over UDP for name resolution communications.
What is datagram protocol?A datagram protocol is a member of the internet protocol. With this system, we can send messages and texts to the other protocol systems in applications, and other hosts on internet data protocol.
Port 53 is used for sending requests to other ports, and it is a single request service used by UDP. It requires a single UDP request from the clients.
Thus, port 53 on a name server is used for user datagram protocol.
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LAB: Word frequencies - methods Define a method named getWordFrequency that takes an array of strings, the size of the array, and a search word as parameters. Method getWordFrequency() then returns the number of occurrences of the search word in the array parameter (case insensitive). Then, write a main program that reads a list of words into an array, calls method getWordFrequency() repeatedly, and outputs the words in the arrays with their frequencies. The input begins with an integer indicating the number of words that follow. Assume that the list will always contain less than 20 words.
Ex: If the input is: 5 hey Hi Mark hi mark the output is: hey 1 Hi 2 Mark 2 hi 2 mark 2 Hint: Use the equalslgnoreCase() method for comparing strings, ignoring case. Hint: Use the equalslgnoreCase() method for comparing strings, ignoring case. The program must define and call a method: public static int getWordFrequency(String[] wordsList, int listSize, String currWord).
The program is an illustration of loops, functions and conditional statements
Loops are used for repetitionFunctions are used to group related code statements in a blockConditional statements are used to make decisionsThe program in JavaThe program written in Java, is as follows:
import java.util.Scanner;
public class Main {
public static int getFrequencyOfWord(String[] wordsList, int listSize, String currWord) {
int wordFreq = 0;
for (int i=0; i<listSize; i++){
if (wordsList[i].compareToIgnoreCase(currWord)==0){
wordFreq++;
}
}
return wordFreq;
}
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int N = input.nextInt();
String myArr[] = new String[N];
for (int i=0; i<N; i++){
myArr[i] = input.next();
}
for (int i=0; i<N; i++){
String searchWord = myArr[i];
int freqCount = getFrequencyOfWord(myArr,N,searchWord);
System.out.println(searchWord + " " + freqCount);
}
}
}
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Classes that depend on field names from parent classes are said to be ____ because they are prone to errors.Group of answer choicesrobustinnovativefragileconstructive
Classes that depend on field names from parent classes are generally said to be fragile because they are very prone to coding errors.
What is a class?A class can be defined as a user-defined blueprint (prototype) or template that is typically used by software programmers to create objects and define the data types, categories, and methods that should be associated with these objects.
In object-oriented programming (OOP) language, a class that is written or created to implement an interface would most likely implement all of that interface's method declarations without any coding error.
In Computer programming, we can infer and logically conclude that classes that are highly dependent on field names from parent classes are generally said to be fragile because they are very prone to coding errors.
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What component of a change management program includes final testing that the software functions properly
A component of a change management program which includes final testing that the software functions properly is: C) Release management.
What is SDLC?SDLC is an acronym for software development life cycle and it can be defined as a strategic methodology that defines the key steps, phases, or stages for the design, development and implementation of high quality software programs (applications).
In Computer science, there are seven (7) phases involved in the development of a software program and these include the following;
PlanningAnalysisDesignDevelopment (coding)TestingDeploymentMaintenanceAt the final testing stage, a component of a change management program which ensure that the software functions properly is known as release management.
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Complete Question:
What component of a change management program includes final testing that the software functions properly?
A) Request management
B) Change management
C) Release management
D) Iteration management
What is an effective fully automated way to prevent malware from entering your system as an email attachment
An effective fully automated way to prevent malware from entering your system as an email attachment is to ensure that all security patches and updates are installed.
What is malware?Malware is any software intentionally designed to cause disruption to a computer, server, client, or computer network, leak private information, gain unauthorized access to information or systems, deprive users access to information or which unknowingly interferes with the user's computer security and privacy.
Effective fully automated way to prevent malwareThe following ways can be used to prevent malware;
Make sure all security patches and updates are installedInstall updates and patches as soon as possible to protect against malware and other digital threats. Turn on automatic updates whenever possible. use unique and strong passwords to secure your account.Thus, an effective fully automated way to prevent malware from entering your system as an email attachment is to ensure that all security patches and updates are installed.
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On a Local Area Network, or LAN, what identification do nodes use to communicate with each other internally
On a Local Area Network, or LAN. MAC addresses are the identification that nodes use to communicate with each other internally. This is further explained below.
What is the MAC address?Generally, A media access control address, often known as a MAC address, is a one-of-a-kind identification that is given to a network interface controller (NIC) in order for it to be used as a network address in communications that take place inside a network segment. This use is typical in the vast majority of networking technologies based on IEEE 802, such as Ethernet, Wi-Fi, and Bluetooth.
In conclusion, On a LAN, or local area network. Nodes interact with each other inside using MAC addresses.
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NEED HELP ASAP
If you had two proxy servers located in the same room, what use could you make of them?
nothing
create a hub
sell one of the servers
set up a network neutral zone
If you had two proxy servers located in the same room, what use could you make of them? B. Create a hub
What is a Proxy Server?A proxy server is a server program used in computer networking that stands between a client requesting a resource and the server supplying that resource.
Every computer or Ethernet-based device linked to a network hub receives data that is broadcast to all of those devices and that's what two proxy servers would be used to do.
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Discuss how progressive deepening uses a mixture of dfs and bfs to eliminate the disadvantages of both and at the same time finds the solution is a given tree. support your answer with examples of a few trees.
IDDFS is known to use both depth-first search’s space-efficiency and also the use of breadth-first search’s fast search due to the fact that its nodes are closer to the root and IDDFS often calls DFS for a lot of depths starting from a starting value.
What is progressive deepening?The term progressive deepening is known to be if a person is said to be making effort try to approximate a given answer at every level and they often work to go deep towards the leaf nodes based on the time limit that a person have for their move.
Hence, IDDFS is known to use both depth-first search’s space-efficiency and also the use of breadth-first search’s fast search due to the fact that its nodes are closer to the root and IDDFS often calls DFS for a lot of depths starting from a starting value.
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An application is hosted on an EC2 instance in a VPC. The instance is in a subnet in the VPC, and the instance has a public IP address. There is also an internet gateway and a security group with the proper ingress configured. But your testers are unable to access the instance from the Internet. What could be the problem
In this scenario, the most likely problem is to: D. add a route to the route table, from the subnet containing the instance, to the Internet Gateway.
What is RIP?RIP is an acronym for Routing Information Protocol and it can be defined as an intradomain routing protocol which is typically designed and developed based on distance vector routing.
The types of RIP.In Computer networking, there are two main types of Routing Information Protocol (RIP) and these include:
RIP version 1.RIP version 2.RIP version 2 such as an EC2 instance in a VPC are generally designed and developed to include subnet masks. This ultimately implies that, the most likely solution to the problem is to add a route to the subnet’s routing table, which is from the subnet containing the instance and then to the Internet Gateway.
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Complete Question:
An application is hosted on an EC2 instance in a VPC. The instance is in a subnet in the VPC, and the instance has a public IP address. There is also an internet gateway and a security group with the proper ingress configured. But your testers are unable to access the instance from the Internet. What could be the problem?
A. Make sure the instance has a private IP address.
B. Add a route to the route table, from the subnet containing the instance, to the Internet Gateway.
C. A NAT gateway needs to be configured.
D. A Virtual private gateway needs to be configured.
Paul has opened a bespoke tailoring shop. He wants to work online to keep a database of all his customers, send e-mails when garments are ready, create designs, and maintain financial records using software. Which productivity suite should he consider?.
In the case above, the productivity suite that Paul should consider is OpenOffice, G suite.
What is G Suite used for?G Suite Basic edition is known to be a kind of a suite that is made up of collaborative productivity apps that tends to give one's business professional email, shared calendars, and others.
Hence, In the case above, the productivity suite that Paul should consider is OpenOffice, G suite.
See options below
Which productivity suites should he consider?
a. Prezi, G suite
b. G suite, Zoho
c. OpenOffice, G suite
d. Zoho, Apple iWork
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Refer to Table 8-4. Consider the data above (in billions of dollars) for an economy: Gross domestic product (in billions of dollars) for this economy equals
If one uses the data above (in billions of dollars), the Gross domestic product (in billions of dollars) for this economy equals $1,200.
What is the GDP about?Note that:
GDP (Gross Domestic Product):
Thus it will be :
Consumption + Investment + Government expenditure + (Export - Import)
Which is:
GDP = 800 + 200 + 300 + (100 - 200)
GDP = $1200 billions
See full question below
Consumption expenditures $800
Investment expenditures 200
Government purchases 300
Exports 100
Imports 200
Wages 800
8) Refer to Table above. Consider the data above (in billions of dollars) for an economy: Gross domestic product (in billions of dollars) for this economy equals
A) $2,200.
B) $1,600.
C) $1,400.
D) $1,200.
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The five components of accounting systems are source documents, input devices, information processors, information storage, and output devices. Group startsTrue or False
Answer:
True
Explanation:
Source documents are business documents that track business transactions.
Input devices, like bar code scanners, keyboards, and modems, are tools used to enter transaction information into the accounting system.
Information processors take the raw data from the input devices and post it to ledgers, journals, and reports.
Information storage is the component of the system that stores the reports and ledgers created by the information processors.
Output devices like monitors, printers, and projectors are any devices that take information from the system storage and display it in a useful way.
These components are all what help an accounting system gather financial data, translate it into useful information, and communicate it with decision makers.
Answer:
true cause they are used to process information
Define a function ConvertVolume() that takes one integer parameter as total Quartz, and two integer parameters passed by reference as gallons and quarts. The function converts total Quarts to gallons and quarts. The function does not return any value. Ex: If the input is 23, then the output is: 5 gallons and 3 quarts Note: totalQuarts / 4 computes the number of gallons, and totalQuarts % 4 computes the remaining quarts.
The program that illustrates the function ConvertVolume() that takes one integer parameter is illustrated below.
How to illustrate the program?The program based on the information will be:
#include<iostream>
using namespace std;
void ConvertVolume(int totalTablespoons, int &cups, int &tablespoons) {
// compute the cups and tablespoons
// as they are passed by reference,
// the change will also reflect in the main function
cups = totalTablespoons / 16;
tablespoons = totalTablespoons % 16;
}
int main() {
int usrCups;
int usrTablespoons;
int totalTablespoons;
// user input
cin>>totalTablespoons;
// call the function
ConvertVolume(totalTablespoons, usrCups, usrTablespoons);
// print the output
cout<<usrCups<<" cups and "<<usrTablespoons<<" tablespoons"<<endl;
return 0;
}
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Say true or false
Computer is the main tool of ICT.
b. Cyber crimes play positive role for better use of ICT
A designer wraps up a final prototype of a language learning app in Adobe XD, and wants to share their work with the development team. Before they publish the prototype on the cloud, they name the file: LanguageApp-Version-Final. Does this file name reflect best practices
In the case above, file name do not reflect best practices and as such it is No. A file name must include the date, the author, and the version number.
Why should a filename reflect its contents?A file name is known to be the key identifier of a file and a Good file name need to present some clues in regards to its content, status and version.
Hence, In the case above, file name do not reflect best practices and as such it is No. A file name must include the date, the author, and the version number.
See options below
Does this file name reflect best practices?1 point
Yes. A file name should include the project name and version.
No. A file name must include the date, the author, and the version number.
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What are the three modes of data communication and briefly explain each of them?
The three modes of data communication
The Full-duplex modeThe simplex mode The half-duplex mode What are three data transmission modes?The Full-duplex mode is known to have a good and better performance when compared to simplex and half-duplex mode as it is known to often doubles the utilization in terms of the capacity of the communication channel.
The simplex mode in terms of its signal is known to be sent in one direction. In half duplex mode, the signal is said to be often sent in both directions, but it is also seen as one at a time.
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________ software modules deal with setting employee objectives, performance, and compensation. scm prm drm erm sfa
ERM software modules deal with setting employee objectives, performance, and compensation. option D is the answer.
What are software modules?Software module are component of a program and not the main programme.
They form essential part of the main programme with or more routines. One or more modules developed separately make up a program.
ERM software can be used for various businesses and in organization settings. It helps to identify compensation and monitor performance of the organization.
Enterprise risk software (ERM) is essential in managing various risk attached to a Job.
Therefore, ERM software modules deal with setting employee objectives, performance, and compensation
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Jenny wants to create a network that can be accessed from any room in her house without physically connecting. Which type of network medium should she use?
The type of network medium Jenny should use is wireless networks.
Given data:
Jenny should use a wireless network medium to create a network that can be accessed from any room in her house without physically connecting.
Wireless networks use radio waves or infrared signals to transmit data between devices, allowing for flexible connectivity without the need for physical cables.
Devices such as smartphones, laptops, tablets, and smart home devices can connect to the wireless network and access the internet or communicate with each other.
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The ____________ layer of the osi model is responsible for data format translation
Answer:
Presentation
Explanation:
The sixth layer of the OSI model, responsible for translation, encryption, authentication, and data compression.
Which type of loop is specifically designed to initialize, test, and increment or decrement a counter variable
A type of loop which is specifically designed and written to initialize, test, and increment or decrement a counter variable is referred to as a for loop.
What is a for statement?A for statement can be defined as a type of statement (loop) that is designed and written by a computer programmer to repeat an action or event in a software program for a specific number of time.
In Computer programming, a for statement is a type of loop which contains three expressions and these include the following:
InitializationTestUpdate (increment or decrement).In conclusion, we can infer and logically deduce that a for loop is a type of loop which is specifically designed and written to initialize, test, and update (increment or decrement) a counter variable
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Use the writeln() method of the document object to display the current platform in a
tag in the webpage. Hint: The platform property of the window.navigator object contains the current platform.
Using the knowledge in computational language in JAVA it is possible to write a code that the document object to display the current platform in a tag in the webpage
Writting the code in JAVA:<TABLE>
<ROWS>
<TR>
<TD>Shady Grove</TD>
<TD>Aeolian</TD>
</TR>
<TR>
<TD>Over the River, Charlie</TD>
<TD>Dorian</TD>
</TR>
</ROWS>
</TABLE>
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Compared with a large-scale integrated multi-purpose computer, a quantum computer is a ____ computer.
Answer:
Compared with a large-scale integrated multi-purpose computer, a quantum computer is a high-powered multipurpose application of a quantum computer.
________ is the process of converting an algorithm into a language the computer can understand.
Answer:
coding
Explanation:
A process of assigning a code to something for classification. The process or activity writing computer program
Which are the three most used languages for data science?
Answer: python, JavaScript, scala
Explanation:
Kevin would like to ensure that his software runs on a platform that is able to expand and contract as needs change. Which one of the following terms best describes his goal
A terminology which best describe Kevin's goal in terms of expansion and contraction as needs change is: A. Scalability.
What is scalability?Scalability can be defined as a measure of the ability of a system to change (expansion or contraction) in performance and cost as a result of changes in demands of application and system processing, especially in a network architecture.
In this context, we can logically deduce that a terminology which best describe Kevin's goal in terms of expansion and contraction as needs change is scalability.
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Complete Question:
Kevin would like to ensure that his software runs on a platform that is able to expand and contract as needs change. Which one of the following terms best describes his goal? A. Scalability B. Elasticity C. Cost effectiveness D. Agility
Ed wants to make sure that his system is designed in a manner that allows tracing actions to an individual. Which phase of access control is Ed concerned about
The phase of access control that one can say that Ed is more concerned about is called Accountability.
What is accountability?Accountability is known to be one that removes the time and effort you that is used on distracting activities and a lot of unproductive behavior and it makes one to be more focused.
Hence, The phase of access control that one can say that Ed is more concerned about is called Accountability.
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Enter a formula in cell C13 to look up the registration fee for the first vehicle. Use the vehicle type in cell C4 as the Lookup_value argument. Use the RegistrationFees named range as the Table_array argument. The registration fees are located in column 2 of the data table. Require an exact match.
The formula that depicts the registration fee on the computer is Formula at C13 : =VLOOKUP(C4,Data!$B$10:$C$17,2,0)
How to illustrate the information?A computer program is a sequence or set of instructions in a programming language for a computer to execute.
Computer programs are one component of software, which also includes documentation and other intangible components. A computer program in its human-readable form is called source code
In this case, enter a formula in cell C13 to look up the registration fee for the first vehicle.
Then, one can use the vehicle type in cell C4 as the Lookup_value argument and then use the RegistrationFees named range as the Table_array argument.
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True or false, the total number of clock cycles (cc) for a delay loop of 10 ms for 2-mhz 8086 clock is 10,000 cc.
Answer:
FALSE is the answer of that question
I HOPE IT HELP YOU
Write a while loop that adds 5 to userNum while userNum is less than 20, displaying the result after each addition. Ex: For userNum
#The loop that adds 5 to userNum while userNum is less than 20, displaying the result after each addition is given below.
What is a loop?A loop is a set of instructions in computer programming that is repeatedly repeated until a given condition is met.
The sample code related to the above function is given as?// declaring variable userNum
var userNum = 5;
// variable ans to store all answers and print them in single line
// (as expected in sample output)
var ans = "";
// while loop, while userNum is <= 20
// (to get output 25 on screen, we need to run loop till less-than-equal) while(userNum <= 20) {
userNum += 5;
ans += userNum + " ";
}
// displaying final output on console
console.log(ans);
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Brenda also orders movies and television through the Internet via a(n) ____ provider, which allows users to download video for a fee.
Brenda also orders movies and television through the Internet via a(n) VOD provider, which allows users to download video for a fee.
What is the meaning of the term VOD?The term video-on-demand (VOD) is known to be a kind of technology made to send video content, such as movies and television programs, directly to specific customers for quick viewing.
Note that technology is constantly growing and one need to grow along with it. services that are good is often adopted by people.
Hence, Brenda also orders movies and television through the Internet via a(n) VOD provider, which allows users to download video for a fee.
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