Answer:
A closed port that can not receive request from authorized users.
Explanation:
Networks comprises of end devices, routing and switching devices, servers, technical control devices etc. The communication and interconnection of these devices makes up a secure and resourceful network.
Attackers can exploit loopholes in networks to steal information. The attackers uses the SYN scanning or cracking technique to implement the DOS or denial of service attack.
DOS is used to flood ports on a server in a network, preventing authorized user access, as they steal information to avoid detection.
A PC is downloading a large file from a server. The TCP window is 1000 bytes. The server is sending the file using 100-byte segments. How many segments will the server send before it requires an acknowledgment from the PC?
Answer:
10 segments
Explanation:
Based on the information provided within the question it can be said that the computer will send 10 segments. This will add up to be 1000 bytes (10 segments * 100-bytes each = 1000 bytes). Once this is done the server will need an acknowledgment from the PC stating that the file has been correctly downloaded and saved.
The interaction between information technology and organizations is influenced___________.A) solely by the decision making of middle and senior managers.B) by the development of new information technologies.C) by many factors, including structure, politics, culture, and environment.D) by two main macroeconomic forces: capital and labor.E) by the rate of growth of the organization.
Answer: C. Many factors including structure, politics, culture, and environment.
Explanation:
An organization is a formal establishment which is geared at production of goods or rendering of services. Information Technology plays an important role in an organizations activities for it helps the firm realize its goals.
Any technology an organization intends to use must conform to its methods of production as well as the way the organization does things (culture). For example, the importance of computers in an organization like a Bank which holds a lot of information in its database cannot be overemphasized.
The environment of the organization made up of competitors, regulatory agencies, customers, etc. would also influence the kind of information technology used by the organization.
Identify the articulation site that allows us to nod our head ""yes"".
Answer:
Occipital bone-atlas
Explanation:
The occipital bone is a bone that covers the back of your head; an area called the occiput. The occipital bone is the only bone in your head that connects with your cervical spine (neck). The occipital bone surrounds a large opening known as the foramen magnum.
The foramen magnum allows key nerves and vascular structures passage between the brain and spine. Namely, it is what the spinal cord passes through to enter the skull. The brainstem also passes through this opening.
The foramen magnum also allows 2 key blood vessels traversing through the cervical spine, called the vertebral arteries, to enter the inner skull and supply blood to the brain
The articulation site that allows us to nod our head 'yes' is the atlanto-occipital joint, which is formed by the occipital bone and the atlas (C1 vertebra). This joint allows for flexion and extension of the head. Thus, option (c) is correct.
The first cervical vertebra (C1) is called the atlas. It supports the skull and forms the atlanto-occipital joint with the occipital condyles on the base of the skull.The superior articular processes of the atlas have a U-shaped curvature oriented along the anterior-posterior axis.This orientation allows the skull to rock forward and backward, producing flexion and extension of the head.The movement facilitated by this joint enables us to nod our heads 'yes'.Complete Question:
Identify the articulation site that allows us to nod our head "yes".
a.) Occipital bone-axis
b.) Atlas - axis
c.) Occipital bone-atlas
d.) Occipital bone-C2
What is system accreditation?A. The process to specify secure communication between machinesB. Acceptance of test results that prove the computer system enforces the security policyC. A functional evaluation of the manufacturer’s goals for each hardware and software component to meet integration standardsD. Formal acceptance of a stated system configuration
Answer:
Option D is the correct option.
Explanation:
As recorded throughout the certification statement, system accreditation is the formal authorization for the application of a particular computer system in a particular system's environment.
So, in other words, System accreditation means that the formal approval of the configuration of the system specified.
Answer:
option D
Explanation:
Certification involves the systematic procedure for testing, evaluating, describing and authorizing systems.
while,
The accreditation process ensures that their certification practices are acceptable, typically meaning that they are competent to test and certify third parties, behave ethically and employ suitable quality assurance.
so basically, accepting the stated specification on a system that conform to the standard best describes what accreditation is.
so, D is the best option
Which key on a laptop keyboard is often used to help pair a mobile device with another device for communication purposes?
Bluetooth
Cellular
Dual Display
Wireless
Bluetooth on a laptop is often used to help pair a mobile device with another device for communication purposes.
BluetoothExplanation:
A Bluetooth gadget works by utilizing radio waves rather than wires or links to associate with your mobile phone, cell phone or PC. Bluetooth is a remote innovation standard utilized for trading information among fixed and cell phones over short separations utilizing short-wavelength UHF radio waves in the modern, logical and restorative radio groups, from 2.400 to 2.485 GHz, and building individual zone systems. For instance, on Windows, either right-click the Bluetooth symbol in the notice zone or go to the Control Panel to discover the Hardware and Sound > Devices and Printers page. At the point when the gadget shows up in the rundown of Bluetooth and different gadgets, select it to associate (pair) it to the workstation.
Communication as ______ is a linear communication model involving a one-way transfer of information in which a source sends a message through a channel or a medium to a receiver.
Answer:
The answer is Transmission
Explanation:
Transmission or Transmission metaphor or transmission model of communications is a one way, linear communication method where information is transferred through a medium to a receiver.
Here, information is sent with no intention of receiving from the destination from that same medium. It is a linear communication method.
We learned about networking protocols and standards and how they are used to move data across the Internet. What are some types of technology might you encounter in your chosen field that will use these networking protocols and standards? As a business professional, why do you think it is important to understand networking protocols and standards?
Answer:
Explanation:
We can find and interact with different networking protocols in our regular jobs or life, for example, maybe the most used is the IP protocol, TCP or in email POP and IMAP, in my case, I must upload several data to the internet and I use FTP.
For a professional is important to understand how these protocols work in our daily life, in this way, we can know what happens when we send an email, we can change the configuration to our needs, or we can resolve particular issues.
Final answer:
Business professionals may encounter technologies like Wi-Fi and mobile VPNs that rely on networking protocols and standards. Understanding these protocols is crucial for ensuring compatibility, security, and effective technology integration within business practices. Professional standards related to technology can often be found through associations relevant to one's field, aiding in assessing and advancing the use of technology.
Explanation:
Networking protocols and standards such as TCP/IP are vital in various technologies that business professionals might encounter. These protocols ensure that data is transmitted smoothly and efficiently over the Internet. For instance, in the field of business, you might come across technologies like Wi-Fi (IEEE 802.11 a,b,g,n), which has become a ubiquitous method for connecting devices to the Internet without wires. Understanding and adhering to these standards supports compatibility and enhances security when using services like mobile VPNs, enabling secure and reliable remote access to a corporate network.
As a business professional, it is crucial to grasp these networking protocols because they underpin the infrastructure of modern communication and commerce. They impact how businesses reach customers, how teams collaborate, and how information is shared across the global system of interconnected computer networks. By understanding these protocols, professionals can ensure their practices align with industry standards, contribute to shaping future technology standards, and facilitate efficient technology integration within their organizations.
Professional standards related to technology integration can be found through associations relevant to your field. For example, business professionals may refer to resources like the National Association of Social Workers (NASW.org), the American Association of Marriage and Family Therapists (aamft.org), or the National Parent Educators Network (npen.org) for standards of practice. These resources aid in understanding if current technology use is adequate and if improvements can be advocated to advance the profession.
Which two peripherals are more likely to be external installations on a laptop rather than internal installations?
Hard drive
Microphone
Webcam
Wireless card
The ________ is responsible for the Internet's domain name system and the allocation of IP addresses.
Answer:
The answer is "ICANN"
Explanation:
In the given question some information is missing, that is option, which can be described as follows:
A) IAB
B) ICANN
C) W3C
D) ISOC
It manages the installation and processes of multiple databases concerning the Network domain and provides a stable and safe networking service, and wrong choices were explained as follows:
IAB, It provides a protocol to manage IETF, that's why it is wrong. W3C is used in web development. ISOC is used to provide internet accessibility._________________________ was designed to provide devices with a method for notifying each other that a link is experiencing congestion before the routers start to drop packets.
Answer:
Explicit Congestion Notification (ECN)
Explanation:
Explicit Congestion Notification (ECN) -
It is the addition in the transmission control protocol (TCP) and internet protocol ( IP ) , which is defined in the RFC 3168 (2001) , is referred to as the Explicit Congestion Notification (ECN) .
It enables the end - to - end notification of the network without disabling the packets .
This feature or process is used between two ECN - enabled endpoints .
Hence , from the given information of the question,
The correct term is Explicit Congestion Notification (ECN) .
You recently completed a network overhaul over the weekend. Everything seems to be functioning properly until you receive a swarm of help desk support requests, all originating from one specific floor in your building. After a few minutes on the phone with those affected, you determine that no onehas indicator lights active on their NICs. What is most likely the problem?a.The DHCP server has failed.c.Static IP address settings have prevented the NIC from entering a usable state.b.A gateway is incorrectly configured.d.A network switch has not been powered on
Answer:
d. A network switch has not been powered on
Explanation:
A network interface controller(NIC) is a computer hardware component that connects a computer to a computer network, without it a computer cannot be connected over a network. It is a circuit board installed in a computer that provides a dedicated network connection to the computer. It is also called a network adapter, network interface card, LAN adapter or physical network interface.
When you power up your switch, several things happen, and the status lights on the front of the unit tell you what is going on. When no indicator light is showing it means the switch is not turned on.
You have just installed a SOHO router in a customer's home and the owner has called you saying his son is complaining that Internet gaming is too slow. His son is using a wireless connection to the network. Which possibilities should you consider in order to speed up the son's gaming experience?
(A) I would first check if the wireless connection is using the fastest wireless standard the router supports, and if it is I would then
(B) enable QoS for the gaming application on the router and on the son's computer. However, if that is not enough and wired cabling is feasible
(C) I would then recommend using wired Gigabit Ethernet connection from the router to the son's computer.
Answer:
(A) I would first check if the wireless connection is using the fastest wireless standard the router supports, and if it is I would then (B) enable QoS for the gaming application on the router and on the son's computer. However, if that is not enough and wired cabling is feasible, (C) I would then recommend using wired Gigabit Ethernet connection from the router to the son's computer.
Explanation:
Firstly, I would need to confirm if the available wireless connection is the fastest connection available for the router. Then, I would ensure that the QoS is enabled for the application. Lastly, I would ensure that the wired Gigabit Ethernet connection is used for the system. This will ensure that the gaming experience is as fast as possible.
Consider the scenario described by the statement "A customer can make many payments, but each payment is made by only one customer." Use this scenario as the basis for an entity relationship diagram (ERD) representation.
Answer:
The statement shows that there is a one to many relationship between customer and payment.
Explanation:
A customer can make any number of payments. This means that a single record in Customer table can be associated with one or more records in the Payment table.
However each payment can be associated with only one customer at a time.
Here there are two entities: Customer and Payment.
The relationship between them is "makes". As a person can make many payments and payment is made by one customer.
Relationship makes is represented by a diamond, entities are represented by a rectangle and there is a relationship line from the diamond, connecting the two entities Customer and Payment showing one to many relationship between the entities.
This relationship can be depicted in the form of entity relationship diagram given in the attached file.
What is the term for the model that seeks to identify the way that individuals take in, use, and store information?
Answer:
The correct answer to the following question will be "Informational processing approaches ".
Explanation:
Cognitive psychology has taken the approach of sensory thinking as a concept of how thoughts of human works.Therefore the approach to information processing personifies thought as the world supplying data analysis, which our perceptions then turn.So, it's the right answer.
The ________ phase in a project involves documenting lessons learned from the project, so that the experience is useful to other project teams and adds to the organization's knowledge base.
A) executing
B) planning
C) closing
D) initiating
Answer:
C. Closing
Explanation:
Closing phase is the process of concluding all activities for a project, phase, or contract. The key benefits of this are the project or phase information is archived, the planned work is completed, and organisational team resources are released to pursue new endeavours. This process is performed once or at predefined points in the project.
The activities necessary for the administrative closure of the project or phase include:
Actions necessary to satisfy completion or exit criteria for the closing phase of a project are :
Ensuring that all documents are up-to-date and that all issues are resolved; Confirming the delivery and formal acceptance of project by the client; Ensuring that all costs are charged to the project; Closing project accounts;Which operating system was once a common example of an operating system designed for peer-to-peer networking?
Suppose I have two DFAs D1, D2 and I perform the product construction on them to get a DFA for the union of their languages. What is always true about the resulting DFA D?
(a) The number of states in D is equal to the maximum of the number of states in both of D1, D2.
D.) If L(D1) = ∅, then L(D) = L(D2).
Answer:
Explanation:
If L(D1) = L(D2), the D has every state being final
If L(D1) = L¯(D2), the D has every state being final
If L(D1) = ∅, then L(D) = L(D2).
If L(D1)=Σ, L(D) = L(D2)
Write a full class definition for a class named Counter, and containing the following members:________
A data member counter of type int.
A constructor that takes one int argument and assigns its value to counter
A function called increment that accepts no parameters and returns no value. increment adds one to the counter data member.
A function called decrement that accepts no parameters and returns no value. decrement subtracts one from the counter data member.
A function called getValue that accepts no parameters. It returns the value of the instance variable counter.
Answer:
The class definition for above problem in java is as follows:-
Explanation:
class Counter // class counter
{
int counter; // variable counter
Counter(int v) // construtor
{
counter=v;
}
void increment() //increment function
{
counter=counter+1;
}
void decrement() //decrement function
{
counter=counter-1;
}
int getValue() //getvalue function
{
return counter;
}
}
Code Explanation:
The above class definition is in java language.In this code, the name of the class is a Counter and it holds the three functions (increment, decrement and getvalue) and one constructor which is mentioned in the question.To call the above class and their function firstly the user needs to create an object of the counter class in the main function by passing the one integer value on it.The object declaration statement calls the constructor.And then any function can be called by the object of the class with the help of the dot operator.Final answer:
The Counter class is a Java class that contains an instance variable 'counter', a constructor for initialization, and methods to increment, decrement, and get the value of the counter.
Explanation:
Counter Class Definition in Java
To write a full class definition for a class named Counter with the specified members, you can use the following code structure in Java:
public class Counter {
// Data member counter of type int
private int counter;
// Constructor that takes one int argument
public Counter(int initial) {
this.counter = initial;
}
// Function to increment the counter
public void increment() {
this.counter += 1;
}
// Function to decrement the counter
public void decrement() {
this.counter -= 1;
}
// Function to get the current value of counter
public int getValue() {
return this.counter;
}
}
The class Counter includes an instance variable counter, a constructor that initializes it, methods to increment and decrement the counter, and a method to getValue which returns the current count.
When making a specialized wired connection for a server that will operate on an Ethernet network, which two wiring colors should be used?
Answer:
Orange and green wiring. Colours.
Explanation:
Orange electricity wire is required to be used in 480 VAC applications by the United States National Electric Code. This powered wire shade has current
Green means that an electrical circuit is grounded. A green wire can be connected to a green wire only and should never be connected to another cable color. Green wires link to the grounded terminal in the outlet box,from there it then passses through an electric panel to the ground bus bar.
Achieving literacy in the digital age requires using multimedia applications, staying connected to people and knowledge via technology, using technology thoughtfully and professionally, and ________.
a) ensuring that you have the latest-model phone or tablet
b) facilitating more face-to-face meetings
c) learning various computer programming languages
d) thinking critically about new media
Answer:
The answer is D. Thinking critically about new media
Explanation:
Multimedia applications are interactive applications or systems that comprise the use of various media sources such as videos, animations, text, graphics and so on.
Therefore, the use of multimedia applications has greatly enhanced literacy achievements.
Design a module named getNumber, which uses a reference parameter variable to accept an Integer argument. The module should prompt the user to enter a number and then store the input in the reference parameter variable.
Explanation:
Module getNumber (Integer Ref Value)
Display "Display a number"
Input number
End module
Module main ()
Declare Integer number x = 1
Declare Real number y = 2.5
Display( x, " " ,y)
Call changeUS (x,y)
Display( x, " " ,y)
End module
The module 'getNumber' that uses a reference parameter variable to accept an Integer argument is given below.
We have,
A Python module named 'getNumber' that uses a reference parameter variable to accept an Integer argument:
def getNumber(number_ref):
try:
number = int(input("Enter a number: "))
number_ref[0] = number
except ValueError:
print("Invalid input. Please enter a valid integer.")
# Example usage:
# num = [0] # Create a list to store the reference to the number
# getNumber(num) # Call the module and pass the reference
# print("The entered number is:", num[0]) # Access the number using the reference
Now,
In this module, we use a list (number_ref) as the reference parameter to accept an Integer argument.
The user is prompted to enter a number, and the input is then stored in the reference parameter variable, which allows us to modify the original value of the variable outside the function scope.
Thus,
The module 'getNumber' that uses a reference parameter variable to accept an Integer argument is given above.
Learn more about Python modules here:
https://brainly.com/question/30453955
#SPJ3
Assume that word is a String variable. Write a statement to display the message "Today's Word-Of-The-Day is: " followed by the value of word. The entire message, including the value of word, should appear on a single line of output. For example, if the value of word is "Hello", the statement should display the following: Today's Word-Of-The-Day is: Hello Hint: In your code make sure the string literal "Today's Word-Of-The-Day is: " is written exactly as shown here.
Answer:
import java.util.Scanner;
public class TestClock {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.println("Enter a word for the day");
String word = in.next();
System.out.println("Today's Word-Of-The-Day is: "+word);
}
}
Explanation:
Use Scanner class to receive a user's value for the 'word' or
Create a variable and save user's input
Use string concatenation (plus operator) in the System.out.println To display the output as required by the question.
When you access a website, your ________ translates web language code into words, graphics, and videos.
Final answer:
A web browser translates web language code into the content we interact with on a website. It communicates with the server to receive website data in packets and interprets the various codes to present the multimedia content of websites seamlessly.
Explanation:
When you access a website, your web browser translates web language code into words, graphics, and videos. Websites are multimodal texts that not only include text but also a combination of other elements such as images, sounds, and animation to deliver content. The browser plays a crucial role in this process.
As part of the internet's functionality, when you request to view a website, your browser sends a message to the website's server. The server then responds by sending the website's contents back to your browser in the form of traffic, which is broken down into packets. Each packet contains the website's data along with the location it needs to reach.
The Web can play a significant role in making large amounts of information available to decision makers. Decision makers must be careful that this glut of information does not____________
Answer:
The answer is detract from the quality and speed of decision making.
Explanation:
Where the Internet will play a major role in providing huge numbers of data accessible to decision-makers. Decision-makers should be cautious never to distract from both the quality and performance of decision-making. So, It is important for the decision-makers to take right decision about the following informations.
Critical Infrastructure and Key Resources (CIKR) are potential terrorist targets. CIKR might include: Select one: 1. All telecommunications towers 2. Electrical power generation and transmission facilities 3. Amusement parks 4. Sewage treatment plants
Answer:
The answer is "Every option is right".
Explanation:
In the given question one option is missing, which is defined in the answer section.
The critical infrastructure defines physical and technological networks and services, it is important for the USA, that they would have deteriorating consequences in terms of material or financial protection or human health or security, that's why all option was correct, which can be described as follows:
In option 1, It uses a tower for telecom. In option 2, It provides a facility for transmission. In option 3, It is used in the park for provides security. In option 4, It is used in treatment.All phones must have a way of making and then terminating a connection to the phone network; however the exact procedure for doing so depends upon the nature of the phone (e.g. landline, cell phone, satellite phone). Write a abstract class, Phone, that contains a string instance variable, phoneNumber, a constructor that accepts a string parameter initializing the instance variable, an accessor method, getPhoneNumber, that returns the phoneNumber, a toString method that return the phoneNumber in the form #(phoneNumber), and two abstract methods: a boolean-valued method named createConnection that returns a boolean and accepts an reference to an object of type Network, and a void-returning method, closeConnection, that accepts no parameters
Answer:
Java class is given below
Explanation:
public abstract class Phone
{private
String phoneNumber;
public Phone(String phoneNumber)
{
this.phoneNumber = phoneNumber;
}
public String getPhoneNumber()
{
return this.phoneNumber;
}
public String toString()
{
return "#("+this.phoneNumber+")";
}
public abstract boolean createConnection(Network n);
public abstract void closeConnection();
}
Which topology is likely to be deployed in a WAN where there’s a central office and three branch offices, and you want all traffic from the branch offices to go through the central office network?a. Ringb. PMPc. Meshd. Point-to-point
Answer:
The answer is B. PMP Topology
Explanation:
PMP stands for Point-to-Multipoint Topology
PMP Topology is a form of one to many communication and it is deployed in a Wide Area Network (WAN), this means that a single location (Base station) provides network paths to many other locations.
This topology is mostly used by private enterprises to effectively connect with remote offices, sites and so on. It provides long-range wireless solutions.
When an organization uses cloud computing, they do not have to buy and maintain expensive hardware. Group of answer choices True False
Answer:
The answer is "False".
Explanation:
Cloud computing refers to files and services, that are processed to retrieved over all the computers, rather than on the hard disk of your machine. It's also known as a Net metaphor, which is a so-called local disc and device, whenever you store information on a disc or run programs.
It uses distributed tools to save software and other equipment costs in organizations. It is a pay structure of "utility", that uses expensive hardware, and maintains it, that's why the given statement is false.Final answer:
Organizations using cloud computing can indeed save on the expense of purchasing and maintaining hardware. Cloud services offer scalable resources and potential cost savings, but are not always the cheaper option and businesses should conduct a cost/benefit analysis.
Explanation:
Cloud Computing and Cost Savings
It is true that when an organization uses cloud computing, they do not have to buy and maintain expensive hardware. This advantage is particularly significant for new organizations that have not yet invested in their own IT environments. Leveraging cloud services means that companies pay only for the capacity and resources they actually utilize rather than shouldering the cost for peak load capacity that remains idle most of the time. Moreover, subscribers to cloud services benefit from the economies of scale that vendors achieve by sharing resources across multiple customers. However, it's important to note that cloud services are not always cheaper and organizations must do a careful cost/benefit analysis, as some, like Foursquare, have found it more economical to run their own hardware.
What is the name of the popular DBMS (database management system) that is open source and is distributed under the General Public License Agreement - GPLA (a license that allows users to make copies of the program and to use the source code to make derivative works)?
Answer:
I looked it up on google and it said that one of the most popular ones is MySQL.
Explanation:
I don't know if it's right. I just looked it up on google.
How would you instruct someone to use the automatic entry feature using a data increment of 3? A decrement of 5?
Answer:
Increment of 3:
1. first of all enter values in first two cell with gap of three i.e(enter 3 in first cell and 6 in second cell of same column).
2. Select both cell
3. expand the your cell selection from bottom right edge of selection till the cell you want to auto fill with increment of 3
Decrements of 5:
1. first of all enter values in first two cell with gap of 5 in decreasing order i.e(enter 1000 in first cell and 995 in second cell of same column).
2. Select both cell
3. expand the your cell selection from bottom right edge of selection till the cell you want to auto fill with decrements of 5
Note: proper image of selection and expansion are attached bellow :
Explanation: