Answer:
The description for the given question is described in the explanation section below.
Explanation:
Anyway, after getting acknowledgment from B, C and D will A immediately send a package here. So that we can establish a procedure whereby A must wait until all three acknowledgments are provided.
Start waiting for the specified scenario or situation:
⇒ For sender (sender is A here):
Keep the following steps repeated before all packets are shipped out.
Step 1 : Place in the broadcast network a fresh packet and configure the wait bit= 1 and the ack bits= 000 and begin the timer (t=0). While bit allows while for the sender(A) to deliver the next packet. Ack parts will hold the earned acknowledgments until now. When first bit= 1 then ack obtained from B, if second bit= 1 then ack obtained from B and instead ack collected from D if the last bit= 1.Step 2 : Once sender(A) receives a new acknowledgment, change the ack bits through generating the resulting bit= 1.Step 3 : Test if bits of the ack = 111 otherwise render a bit of wait = 0. Go so far as to step 1 and proceed to step 2.Step 4 : Whether A has been waiting for t= t0 time and therefore not gotten at least one ack, then place a certain packet on the channel and make t=0, ack bits= 000 and start preparing bit= 1. Then move forward with step 2.⇒ For receiver (receiver are B, C and C here):
Step 1 : Wait for another package.Step 2 : On delivery of the new document, send ack to the provider and begin countdown t = 0.Step 3 : When no latest packet arrives in t= t0 time then give the existing packet acknowledgment again. As it indicates the channel ack may be missing.Step 4 : Taking a move to 1.For reliable packet transfer from Host A to Hosts B and C via a broadcast channel, a stop-and-wait-like error-control protocol with redundancy, error detection, and acknowledgment mechanisms is used. Host A sends a packet, waits for acknowledgments from both B and C, and resends to only those hosts that did not acknowledge, using sequence numbers to track packets.
Explanation:In a scenario where Host A must send packets to Hosts B and C through a broadcast channel that can lose and corrupt packets, a stop-and-wait-like error-control protocol would require mechanisms for error detection and recovery. In this protocol, A sends a packet to both B and C and waits for an acknowledgment from both before sending the next packet. If A receives an acknowledgment from B but not from C, it only needs to resend the packet to C. Each packet contains sequence numbers to ensure that if a packet has to be resent, the receivers can distinguish the new packet from any previous ones. Furthermore, implementing redundancy, such as sending multiple copies or additional data for error checking (like checksums or CRC codes), enhances the reliability of the transmission.
To address potential eavesdropping and signal corruption, techniques borrowed from quantum communications, such as monitoring error rates and confirming key bits over an open channel, could theoretically be employed to enhance security in the digital communication domain. This would, however, be a more complex and less practical solution for a simple broadcast problem. The primary focus in error-control protocols for a broadcast channel is ensuring packet integrity and correctly acknowledging receipt.
The concept of 'spooky action at a distance' as mentioned in the question context may be a metaphor comparing quantum entanglement where information seems to be shared instantaneously over distances, which is not directly applicable to the design of a reliable error-control protocol for a broadcast channel in digital communications.
The ________ of the operating system enables users to communicate with the computer system. Select one: A. user interface B. modem C. network adapter card D. window
Some smartphones use ______ text, where you press one key on the keyboard or keypad for each letter in a word, and software on the phone suggests words you may want.
Answer:
The answer is "predictive".
Explanation:
The statement lacks some details, which can be answered by the choice of the question:
A. Presumptive .
B. suggestive .
C. interpretive.
D. predictive.
Predictive text is considered to be auto-correct text as well. It is an input technique, which allows people to type words onto a smartphone throughout the text field. It's focused on both the significance of the words and letters in the message, and certain choices were wrong, which can be defined as follows:
Option B and Option D both were wrong because it provides the synonyms of the words. In option C It is wrong because it is a text version."A user reports that the corporate web server cannot be accessed. A technician verifies that the web server can be accessed by its IP address. What are two possible causes of the problem? (Choose two.)"
Two possible causes for a corporate web server being inaccessible by its domain name but accessible by its IP address are DNS issues and web server configuration errors.
If a user reports that the corporate web server cannot be accessed but confirms that the web server can be accessed by its IP address, two possible causes of the problem are as follows:
A DNS Issue: The domain name system (DNS) may not be correctly translating the website's hostname into its IP address, which is necessary for browsers to locate the server on the Internet.A Web Server Configuration Error: The server hosting the website might be misconfigured to not recognize or respond to requests for the hostname in question, while still responding to direct IP address requests.Both scenarios would prevent users from accessing the website through its domain name, despite the server itself being operational and accessible directly via its IP address.
QUESTION 1 _____ is a type of data encryption that enables users of the Internet to securely and privately exchange data through the use of a pair of keys that is obtained from a trusted authority and shared through that authority. a. Secret key encryption b. A public key infrastructure c. A private key infrastructure d. Open key encryption
Answer:
The correct answer to the following question will be Option B (Public key infrastructure).
Explanation:
This seems to be a program that allows an individual to deliver an encrypted message or file through some kind of public key that can be unlocked by the intended receiver using another key or code, almost always a private or personal key.
This is a collection of functions, rules, equipment, applications, and methods required to develop, maintain, deliver, utilize, save, and withdraw digital credentials, and handle encryption with the public key.This safeguards against hacking or interference with customer information or data.Write an if statement that prints the message ""The number is not valid"" if the variable distance is outside the range 100 through 2000(both inclusive).
Answer:
The solution code is written in Python:
if(distance < 100 or distance > 2000): print("The number is not valid")Explanation:
In this question either one of the two conditions (distance < 100 or distance > 2000) is met, the error message should be generated. Python offers the "or" keyword as a logical operator. The "or" keyword will join two conditions and so long as one of them is True, the final outcome will be evaluated to True. For example, if distance = 90 the error message will be printed. If distance is 2500, the error message will also be printed.
SP 800-14, Generally Accepted Principles and Practices for Securing Information Technology Systems, provides best practices and security principles that can direct the security team in the development of a security ________.
Answer:
blueprint.
Explanation:
Generally Accepted Principles and Practices for Securing Information Technology Systems, provides best practices and security principles that can direct the security team in the development of a security blueprint.
Answer:
The answer is blueprint.
Refer below for explanation.
Explanation:
Blueprint ia a guide that is made for something else, so it was originally made to copy.
When you have to make a long-distance call, dialing an unfamiliar area code plus a seven-digit number, you are likely to have trouble retaining the just-looked-up number. This best illustrates the limited capacity of ________ memory.
Answer:
c. short-term
Explanation:
According to a different source, these are the options that come with this question:
a. long-term
b. implicit
c. short-term
d. explicit
This best illustrates the limited capacity of short-term memory. Short-term memory is the most recent information that a person holds in his head. Usually, this corresponds to events that occurred in the last 30 seconds to the last few days. This type of memory stores recent events, as well as sensory data such as sounds.
To estimate the percentage of defects in a recent manufacturing batch, a quality control manager at Sony selects every 14th music CD that comes off the assembly line starting with the eighth until she obtains a sample of 100 music CDs. What type of sampling is used? A. Cluster B. Stratified C. Systematic D. Convenience E. Simple random
Answer:C. Systematic Sampling
Explanation:
Systematic sampling is a type of probability sampling method in which sample members from a larger population are selected according to a random starting point but with a fixed, periodic interval. This interval, called the sampling interval, is calculated by dividing the population size by the desired sample size.
Systematic sampling involves selecting items from an ordered population using a skip or sampling interval. The use of systematic sampling is more appropriate compared to simple random sampling when a project's budget is tight and requires simplicity in execution and understanding the results of a study.
A problem is listed below. Identify its type. Tammy wishes to purchase a new laptop in 4 years. She makes quarterly deposits of $100 into an account that pays 3% per year compounded quarterly for 4 years. How much will she have towards the purchase of a new laptop in 4 years?
At the end of 4 years, she will have $54933
Explanation:
Given-
Time to buy a new laptop, n = 4years
Quarterly deposit, C = $100 X 4 = $400 per year
Pays 3% per year compounded quarterly
We have to find the future value of Annuity
[tex]FV = C * [\frac{(1 + i)^n - 1}{i} ][/tex]
Where, C = cash flow
i = interest rate
n = number of deposits
[tex]FV = 400 [ \frac{(1 + 3/400)^4}{3/400} ]\\\\FV = 400 [ \frac{1.03}{0.0075} ]\\\\FV = 400 * 137.33\\FV = 54933[/tex]
At the end of 4 years, she will have $54933
Two employees are unable to access any websites on the internet, but can still access servers on the local network, including those residing on other subnets. Other employees are not experiencing the same problem. What should you do?
Answer:
In the Internet Options, define the name of the proxy server and the port number.
Explanation:
If the two staff in the company are unable to reach the websites on the internet also they are able to access servers on the local area network also the Other staff members don't encounter the problem and they have to face the same problem because they do not define the name of the proxy server and the port number in the internet option.
If they do not define the proxy server and the post they have not accessing the website so to able the accessing it must properly define the proxy server and the port number.
What feature new to Windows Server 2012 provides the ability to find identical sets of data on a SAN based storage array and reduce the identical sets to a single instance, in order to reduce space
Answer:
Data Deduplication
Explanation:
In computing, data deduplication is a technique for eliminating duplicate copies of repeating data. This is also called single-instance storage.
Only applicable to Windows Server 2012 and newer versions, Data deduplication techniques ensure that only one unique instance of data is retained on storage media, such as disk, flash or tape.
Cheers
What is IaaS? For this service model, what are the resources the cloud vendor will provide/manage and what are the resources the cloud user will have a control? What basic question is it essentially addressing for a cloud user? Know that Amazon is the pioneer to officially offer IaaS to the public.
Answer:
Iaas means Infrastructure as a service.
IaaS is one of the three categories of cloud computing services.
Others are software as a service (SaaS) and platform as a service (PaaS). Iaas is faster and easier to operate. It is also more cost-efficient
IaaS provides virtualized computing resources over a wide area network (WAN) such as the internet.
Examples of independent IaaS providers are Amazon Web Services (AWS) and Google Cloud Platform (GCP). These Iaas providers are organizations that sell IaaS.
What is wrong in the following code? class TempClass { int i; public void TempClass(int j) { int i = j; } } public class C { public static void main(String[] args) { TempClass temp = new TempClass(2); } }
Answer:
In the given program, a parameterized constructor declaration is wrong, which can be described as follows:
Explanation:
Code:
class TempClass //defining class TempClass
{
int i; //defining integer varaible i
TempClass(int j)//defining parameterized constructor
{
i = j; //variable holds a value
System.out.print(i); //print value
}
}
public class Main //defining class Main
{
public static void main(String[] aw) //defining main method
{
TempClass temp =new TempClass(2); //creating class Object and call parameterized constructor.
}
}
Description:
In the given java code, two classes "TempClass and Main" is defined, inside the TempClass class an integer variable "i" and a parameterized constructor is declared, inside the constructor integer variable "i" hold constructor parameter value, the use print method to prints its value. Then the main class is defined, inside this main method is declared, in this method, the TempClass object "temp" is defined, that call the parameter constructor.The two major types of system software programs are utility programs and the ________. Select one: A. user interface B. supervisor programs C. application software D. operating system
Answer:
operating system
Explanation:
System software are those programs that many refer to as computer programs. The most basic function of system software is to manage the computer systems. It acts as an interface between the computer’s hardware and the end user. System software converts instructions that end users give to the computer into a machine understandable language. Examples of system software include operating systems, utility programs, device drivers, and windows systems. The operating system is responsible for the functioning of all the computer’s hardware parts. It is the software loaded into the system when the computer boots up. It manages everything, from the memory, to the CPU, and many other different tasks.
Declare a multidimensional array of ints, westboundHollandTunnelTraffic that can store the number of vehicles going westbound through the Holland Tunnel on a particular hour on a particular day on a particular week on a particular year. The innermost dimension should be years, with the next being weeks, and so on.
Answer:
The multidimensional array is declared as
int westboundHollandTunnelTraffic [ ] [ ] [ ] [ ];
Explanation:
int is the type of the array which is short for integer as the given type of data to be stored is all integers.
westboundHollandTunnelTraffic is the name of the array which is as given in the question.
[ ] [ ] [ ] [ ] are the dimensions of the array which are 4 in number for the innermost being for year, the next one for weeks, the further one for days and the outermost for hours.
You realize your computer has been infected with malware. The program has been copying itself repeatedly, using up resources. What type of malware might you have?
The program has been copying itself repeatedly, using up resources. The type of malware that might have is a worm.
What is malware?Malware assaults are specific kinds of system attacks that are known to penetrate systems, crack weak passwords, proliferate over networks, and interfere with daily corporate activities.
Malware comes in a variety of forms that can slow down your computer, spam you with adverts, lock up crucial files, and more. Keep in mind that a cyber threat known as malware frequently tries to attack a system on purpose.
Software that is meant to harm the host computer or a network of computers is referred to as "malware," which is a combination of the two words "malicious software."
Therefore, worms are one sort of malware that could be present.
To learn more about malware, refer to the link:
https://brainly.com/question/8544487
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13) What are the benefits and detriments of each of the following? Consider both the systems and the programmers’ levels. a. Symmetric and asymmetric communication b. Automatic and explicit buffering c. Send by copy and send by reference d. Fixed-sized and variable-sized messages
Answer:
Automatic and Explicit Buffering.
In the case of explicit buffering, the length of the queue is provided while in automatic buffering the queue size needs to be indefinite. In automatic buffering there is no need to block the sender while coping the message. While in explicit buffering the sender is blocked for the space in queue.
No memory is being wasted in explicit buffering.
Send by Copy and Send by Reference.
By using the send by copy method, the receiver is not able to change the state of parameter while send by reference allow. The advantage of using the send by reference method is that it allows to change a centralized application to its distributed version.
Fixed-sized and Variable-sized Messages.
In fixed size messaging refers, the buffer size is fixed. This means only a particular number of messages can only be supported by the fixed size buffer. The drawback of the fixed size messages is that they must be a part of fixed size buffer. These are not a part of variable size buffer. The advantage of variable size message is that the length of the message is variable means not fixed. The buffer length is unknown. The shared memory is being used by the variable size messages.
Explanation:
The inquiry covers the benefits and detriments of symmetric/asymmetric communication, automatic/explicit buffering, send by copy/reference, and fixed/variable-sized messages. Each approach has its own set of advantages, like fairness and efficiency, and disadvantages, such as the potential for bottlenecks and complexity in management.
Explanation:Benefits and Detriments of Communication and Buffering Systems
The question pertains to the advantages and disadvantages of various communication and buffering systems at both system and programmer levels. When discussing symmetric and asymmetric communication, symmetric systems allow equal participation in communication, promoting fairness and balance, but may not scale well as the number of participants grows. Asymmetric systems can handle scaling by designating different roles (such as sender/receiver or client/server), but can introduce bottlenecks or points of failure.
Regarding automatic and explicit buffering, automatic buffering simplifies programming by abstracting buffer management, yet could lead to inefficiencies if not optimally managed by the system. Explicit buffering gives programmers control to optimize resource usage, but requires careful management to avoid errors such as buffer overflows.
Send by copy ensures that the receiver gets a local copy of the data, enhancing security and avoiding data consistency issues, but increases bandwidth usage. Send by reference reduces bandwidth and memory usage by passing a reference to the data, though it introduces the risk of unexpected data modifications and requires a shared memory space.
Messages that are fixed-sized simplify design and parsing, leading to potentially faster processing and less overhead. However, they lack flexibility and may waste resources when the data does not fill the fixed size. On the other hand, variable-sized messages accommodate data of any size, offering flexibility but making parsing more complex and potentially introducing more overhead for delimiting message sizes.
7. Consider the following code segment: (10pts) pid t pid; pid = fork(); if (pid == 0) { /* child process */ fork(); thread create( . . .); } fork(); (15pts) a.How many unique processes are created? b. How many unique threads are created?
Answer:
a) 6 processes
b) 2 threads
Explanation:
_______________ introduces the concept of memory cell which can process data within time lags.
Final answer:
Memory processing involves different stages, starting with short-term memory and moving into long-term memory as per Atkinson-Shiffrin's model. The dynamic nature of memory involves not only the consolidation at the synaptic level but also the capacity for memory construction and reconstruction. Baddeley and Hitch's working memory model further characterizes the complexity and dynamism in memory processing.
Explanation:
The concept that introduces the idea of a memory cell which can process data within time lags relates to the function of memory in biological organisms, particularly in the context of neuroscience and cognitive psychology. This concept illustrates how memories are not static but are instead continuously processed and consolidated over time. Two key types of memory are short-term memory (STM) and long-term memory (LTM). STM is a temporary storage that processes incoming sensory information and has limited capacity, as illustrated by research such as Miller's magical number seven, plus or minus two. In contrast, LTM has a seemingly unlimited capacity for storing information, and it includes processes of encoding, storing, and retrieving information. Before information can be stored as LTM, it goes through stages of memory, beginning with sensory memory, STM, and then LTM as per the Atkinson-Shiffrin model.
Jose is working on a project on engineering. Which site can he use to connect with an experienced engineer?
A) Spoke
B) Meetup
C) Tagged
D) Face Book
Answer:
The answer is "Option C".
Explanation:
The Meetup is a site, which is used to provide global learning. It is also encouraged informal interactions of people, who have met online. These people are connected with a shared offline connection online, and wrong choices can be described as follows:
In option A, It is a networking function, that provides connecting resources between local nodes and networks. In option C, It is an online dating site. In option D, It is a social networking site, that provides communication.Which operations security control prevents unauthorized intruders from internally or externally accessing the system and lowers the amount and impact of unintentional errors that are entering the system?
Answer:
The correct answer is Preventative controls.
Explanation:
Preventive Controls: Anticipate unwanted events before they happen.
They are more profitable They must be incorporated into the systems Avoid correction or reprocessing costsExample: Security software that prevents access to unauthorized personnel, to try to prevent the production of errors or fraudulent events.
The three tasks within data harmonization, namely: data consolidation, data cleansing, and data formatting use techniques called harmonization rules that implement those tasks. True False
The three tasks within data harmonization, namely: data consolidation, data cleansing, and data formatting use techniques called harmonization rules that implement those tasks -The statement is true
Explanation:
Data harmonization refers to the process of combining the data of varying files and formats ,name conventions and columns and transforming the same into one data set.
Data harmonization refers to the process of integrating multiple data source into a single data set.
By adopting the Data harmonization technique we can reduce the problem of redundant data and conflicting standard
The name harmonization is an analogy to the process to harmonizing discordant music.
The goal of data harmonization is to find commonalities, identify critical data that need to be retained, and then provide a common standard.
Final answer:
The statement regarding the use of harmonization rules in data consolidation, data cleansing, and data formatting tasks within data harmonization being true is correct. These rules are essential for integrating, analyzing, and utilizing data effectively.
Explanation:
The statement that the three tasks within data harmonization, namely: data consolidation, data cleansing, and data formatting use techniques called harmonization rules that implement those tasks is true. Data harmonization is a critical process in ensuring that data from various sources can be effectively integrated, analyzed, and utilized for decision-making.
The process involves several key steps, including data consolidation, which is the merging of data from different sources; data cleansing, which involves identifying and correcting errors or inconsistencies; and data formatting, which ensures that data from different sources adhere to a common format for seamless integration.
Harmonization rules are sets of guidelines or algorithms that help automate these tasks, ensuring accuracy and efficiency in the data harmonization process.
A highly agitated client paces the unit and states, "I could buy and sell this place." The client’s mood fluctuates from fits of laughter to outbursts of anger. Which is the most accurate documentation of this client’s behavior?
Answer:
"Agitated and pacing. Exhibiting grandiosity. Mood labile."
Explanation:
The extremely frustrated user paces that system and remarks that he can purchase and trade this spot. His behavior vacillate through laughing sessions to rage outbursts. So the Pacing and Agitated. Displaying grandiosity. Behavior labile becomes the best reliable documentation of the actions of this corporation
Information flows:
a. only back and forth between supply and external sources.
b. only into the supply group from external sources.
c. only into the supply group from other internal functions.
d. only back and forth between supply and other internal functions. between and among supply and other internal functions and external sources.
Answer:
e.
Explanation:
Information flow refers to the back and forth movement of information between different people and systems in order to communicate and perform different decision making processes. Information flows between and among supply and other internal functions and external sources. Information flow is used in just about everywhere in the world.
When you declare an array, _____________________ You always reserve memory for it in the same statement You might reserve memory for it in the same statement You cannot reserve memory for it in the same statement The ability to reserve memory for it in the same statement depends on the type of the array
Answer:
the ability to reserve memory for it in the same statement depends on the type of the array.
Explanation:
When you declare an array, the ability to reserve memory for it in the same statement depends on the type of the array.
You currently use the Exchange email client on your desktop PC. You use it to connect to an email server provided by a service provider using the IMAP and SMTP protocols. You recently purchased an iPad, and you want to configure its Mail app to connect to your email server.
Answer:
Yes, he can configure the Mail application on the iPad to link to an e-mail server by using the IMAP and SMTP protocols.
Explanation:
A user recently uses that mail client Exchange through his desktop computer. Which used the IMAP and SMTP protocols he uses it only to link to such an email server operated by a network provider. He then just bought an iPad as well as decided to set up the mail application to link to his mail client.
So, through the IMAP and SMTP protocols, he should customize the Mail software on the iPad to link to such an e-mail server.
For labs using high-end ____ servers or a private cloud (such as Dell PowerEdger or Digital Intelligence FREDC), you must consider methods for restoring large data sets.
Answer: RAID
Explanation: RAID now referred to a Redundant Array of Independent Disk are usually employed to improve general system performance, data redundancy, that is it allows storage of the additional or duplicate data in multiple disk areas which invariably increases overall system performance and may also be used in the control of silent data corruption. This is achieved by combining multiple disk drives into one or more logical unit.
Using high-end RAID servers or private cloud requires developing techniques for restoring large dataset in the scenarios of silent data corruption by providing measure of data redundancy.
Answer:
RAID
Explanation:
RAID redundancy array of independent/inexpensive disk is a collection of disk drive used to increase storage capacity and redundancy and to promote speed and performance of input/output device.
F.R.E.D.C or forensic recovery of evidence data center are high end data centers that provides high end services with raid functionalities and processing speed.
Climax Medical Technology, a fast-growing global research firm, has accumulated so much client information that conventional database management systems cannot handle its customers’ needs. Therefore, Climax purchased very sophisticated analysis software and supercomputing-level hardware. Climax Medical Technology is tapping the power of:____________.
Answer: Big Data
Explanation:
Big data is type of treatment for complex and large data through analyzing huge amount of data , arranging in certain trend or sets and then extracting the information or data from it in appropriate order.
It can store and process extremely huge amount of data.It us commonly used for storage of customer-related data,mobile data, web data etc.According to the question, Climax Medical technology is turning towards usage of big data. They are using big data to analyze, arrange the huge client information data into a certain pattern for extracting it systematically.An ________ is essentially a collection of personal computers networked together with sophisticated software tools to help group members solve problems and make decisions through interactive electronic idea generation, evaluation, and voting.
Answer:
electronic meeting system
Explanation:
An electronic meeting system is essentially a collection of personal computers networked together with sophisticated software tools to help group members solve problems and make decisions through interactive electronic idea generation, evaluation, and voting.
Climax Medical Technology, a fast-growing global research firm, has accumulated so much client information that conventional database management systems cannot handle its customers’ needs. Therefore, Climax purchased very sophisticated analysis software and supercomputing-level hardware. Climax Medical Technology is tapping the power of:____________.
Answer: Big data
Explanation:Big data is a term used to describe data that are large,they can be structured or unstructured which Organisations handle and deal with on daily basis as they conduct business with other Organisations. The analysis of this large volume of data is a main and most important factor to consider in handling big data.
By adopting better and Sophisticated approach to handle the large volume of Information which it receives, Climax Medical Technology is TAPPING THE POWER OF BIG DATA.