The sequence numbers added by TCP to every datagram enable the detection of
a. Duplicate segments
b. Lost segments
c. Bit level errors
d. A and C
e. A and B
Answers
The sequence numbers added by TCP to every datagram enable the detection of lost segments and duplicate segments. The correct answer is option E (A and B).
The transmission control protocol (TCP) is a transmission protocol that transmits data packets over the internet or network. It is used to ensure that the data is transmitted safely and without any problems or losses. It does this by providing reliable, ordered, and error-checked delivery of data packets between applications running on hosts. Every segment in a TCP connection has a unique sequence number that allows TCP to identify and track each packet transmitted. The sequence numbers added by TCP to every datagram enable the detection of duplicate segments and lost segments. Lost segments are detected when a sequence number is skipped or missed, indicating that a packet was lost. Duplicate segments are detected when two segments with the same sequence number arrive at the receiver, indicating that a packet was sent twice. Thus, TCP uses these sequence numbers to detect transmission errors and re-transmit lost packets to ensure the reliable delivery of data. The three main components of a TCP connection are the handshake, the data transfer, and the connection termination. The sequence numbers are used in the first two steps of the handshake process. In conclusion, the sequence numbers added by TCP to every datagram enable the detection of lost segments and duplicate segments.
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Related Questions
a distributed contains the description of the entire database as seen by the database administrator. question 8 options: a) global index b) global catalog c) data dictionary d) data thesaurus
Answers
A data dictionary is a centralized repository that contains metadata, or information about the data, within a database. This metadata can include information about tables, columns, relationships between tables, and other details that are useful for understanding and managing the database.
In a distributed database environment, a data dictionary serves as a critical component for the database administrator. Because the data is spread across multiple nodes or locations, it can be challenging for the administrator to have a comprehensive view of the entire database.
However, the data dictionary provides a centralized location for the administrator to access information about the database, regardless of its location.
The data dictionary also helps ensure data consistency and accuracy across the distributed database. By maintaining a centralized repository of metadata, any updates or changes to the database can be easily communicated and applied across all nodes.
In summary, a data dictionary is an essential tool for managing a distributed database. It provides a centralized location for the database administrator to access metadata about the database and helps ensure data consistency and accuracy across all nodes.
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when would a user process request an operation that results in the allocation of a demand-zero memory region? when would a user process request an operation that results in the allocation of a demand-zero memory region? uninitialized data or newly freed malloced memory space uninitialized data or newly malloced memory space initialized data or newly freed malloced memory space initialized data or newly malloced memory space
Answers
A user process may request the allocation of a demand-zero memory region when it needs uninitialized data or when it wants to utilize either newly freed malloced memory space or newly malloced memory space.
One scenario is when the user process requires uninitialized data. This means that the memory region is allocated without any initial values assigned to it. The user process can then write or initialize the data as needed.
Another scenario is when the user process needs to allocate memory for newly freed malloced memory space. When a dynamic memory allocation is freed, the memory becomes available for reuse. If the user process requires a new memory region, it can request the allocation of the freed memory space.
In contrast, a user process may also request the allocation of an initialized data region. This means that the memory is allocated and initialized with default or predefined values. This can be useful when the user process requires a pre-initialized memory region.
Lastly, a user process may request the allocation of memory for newly malloced memory space. This refers to the dynamic memory allocation using the malloc function. The user process can allocate memory for a specific size and use it as needed.
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1.Write a C++ program that allows the user to enter the phrase "I am smart". Output the first letter and last letter of the phrase using string properties.
2.Write a C++ program to output the following values after they are loaded into an array: 67, 45, 12, 89, 46, 88 and 43.
PLS Help they are different questions
Answers
Answer:
1)
string value;
cout << "type I am smart";
cin >> value; // get user input from the keyboard
2)
int num1 = 67;
int num2 = 45;
int num3 = 12;
int num4 = 89;
int num5 = 46;
int num6 = 89;
int num7 = 46;
int num8 = 88;
int num9 = 43;
int numbers [ ] = {num1,num2,num3,num4,num5,num7,num8,num9} ;
//to load it as a function
int main ()
{
for ( n=0 ; n<5 ; n++ )
{
result += numbers[n];
}
cout << result;
return 0;
}
The C++ programs are illustrations of arrays and strings
The program 1The program written in C++ is as follows:
#include<iostream>
using namespace std;
int main(){
//This declares the string
string myStr;
//This gets the input
cin>>myStr;
//This prints the first and the last index elements
cout<<myStr[0]<<" "<<myStr[myStr.length()-1];
return 0;
}
The program 2The program written in C++ is as follows:
#include<iostream>
using namespace std;
int main(){
//This initializes the array
int myArr [] = {67, 45, 12, 89, 46, 88, 43};
//This prints the array elements
for(int i = 0; i<7;i++){
cout<<myArr[i]<<" ";
}
return 0;
}
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Write a program that asks the user to enter a city name, and then prints Oh! CITY is a cool spot. Your program should repeat these steps until the user inputs Nope.
Sample Run:
Please enter a city name: (Nope to end) San Antonio
Oh! San Antonio is a cool spot.
Please enter a city name: (Nope to end) Los Angeles
Oh! Los Angeles is a cool spot.
Please enter a city name: (Nope to end) Portland
Oh! Portland is a cool spot.
Please enter a city name: (Nope to end) Miami
Oh! Miami is a cool spot.
Please enter a city name: (Nope to end) Nope
Answers
user_name = input("Please enter city name to run the program: ")
while( user_name != "Nope" ):
print("Nice to meet you ", user_name )
user_name = input("Please enter a name or type Nope to terminate the program: ")
I hope this helps!
some trojan horses contain a virus or a worm, which can replicate and spread. virus experts call this a(n) threat because it combines more than one type of malicious code.
Answers
Some trojan horses contain a virus or a worm, which can replicate and spread. Virus experts call this a blended threat because it combines more than one type of malicious code.
A blended threat is a combination of computer viruses, worms, and Trojan horses. Blended threats usually exploit security vulnerabilities or software bugs to spread rapidly through networks. Blended threats can be engineered to create a distributed denial of service (DDoS) attack or to provide remote control over your system to attackers. In most cases, blended threats require no human interaction to spread, so they may infect computer systems or networks before users are aware of their presence. Because of their stealthy nature, blended threats can often evade the most sophisticated intrusion detection systems (IDS) and intrusion prevention systems (IPS).
As a result, organizations must make sure that their systems are up to date with the latest patches and upgrades to avoid the risk of blended threats.
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Which gateway can be used to provide internet access to an Oracle Cloud infrastructure compute instance in a private subnet?
A. Internet Gateway
B. NAT Gateway
C. Service Gateway
D. Dynamic Routing Gateway
Answers
To give internet access to a private subnet compute instance in an Oracle Cloud infrastructure, a NAT Gateway can be used. The answer is B) NAT Gateway
Explanation:To provide Internet access to an Oracle Cloud infrastructure compute instance in a private subnet, a NAT Gateway can be used.The NAT Gateway allows outgoing connections and blocks incoming connections by default. As a result, we can establish internet access for compute instances in the private subnet using the NAT Gateway.However, it is critical to note that the compute instances must be configured with a private IP address in order to utilize the NAT Gateway. Since Oracle Cloud Infrastructure controls the NAT Gateway, no configuration is required on the instance side.The NAT Gateway provides internet access by translating the source IP address of an instance in the private subnet to the public IP address of the NAT Gateway. The NAT Gateway then forwards the traffic to the internet after modifying the source IP address.The maximum amount of NAT Gateways that can be attached to a subnet is one, and they are billed per hour. A higher amount of NAT Gateway attachments per region and a larger amount of data processed by NAT Gateway are charged at a higher rate.
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(25 POINTS) Some applications work on all devices while others work on some devices. True or False?
Answers
Answer:
True.
Explanation:
It is true that some applications work on some devices but not on others. This is so because it depends on the operating system of each device, that is, if the device has an operating system compatible with the application in question, said application will work, but if, on the contrary, the operating system is not compatible, the application will not be useful in this.
Computerized spreadsheets that consider in combination both the
risk that different situations will occur and the consequences if
they do are called _________________.
Answers
Both answers are correct
The given statement refers to computerized spreadsheets that consider in combination both the risk that different situations will occur and the consequences if they do which are called decision tables.
A decision table is a form of decision aid. It is a tool for portraying and evaluating decision logic. A decision table is a grid that contains one or more columns and two or more rows. In the table, each row specifies one rule, and each column represents a condition that is true or false. The advantage of using a decision table is that it simplifies the decision-making process. Decision tables can be used to analyze and manage complex business logic.
In conclusion, computerized spreadsheets that consider in combination both the risk that different situations will occur and the consequences if they do are called decision tables. Decision tables can help simplify the decision-making process and can be used to analyze and manage complex business logic.
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what are trends in GPS ?
Answers
Answer:
New Trends in GPS & Telematics in 2021 and Beyond - Rewire Security. Real-time location tracking systems for cars, vans, motorcycles, lorries, wired or plug & play options—battery-powered GPS tracking systems with magnets attached to flat metal surfaces such as containers.
Explanation:
what construction work is the tender for
Answers
Answer:
A tender is a submission made by a prospective supplier in response to an invitation to tender. It makes an offer for the supply of goods or services. In construction, the main tender process is generally for the selection of the contractor that will construct the works.
Explanation:
Tendering Process under construction is a process of submitting a proposal to undertake government construction projects. Depending on the language in the bid proposal the construction companies make their bids for submission, and if accepted, a legally enforceable contract is created.23 Mar 2017
Need help with this
Answers
Answer:
i say B
Explanation:
because u being professional makes ur company look good
You can use the Extract Variable refactoring on incomplete statements. Press Ctrl+Alt+V and choose an expression. T/F?
Answers
The Extract Variable refactoring is used to create a new variable for a sub-expression of a larger expression, and is typically used to make code more readable, easier to understand, and easier to maintain.
However, this refactoring cannot be applied to incomplete statements, because an incomplete statement cannot be executed and therefore cannot be refactored.Additionally, the keyboard shortcut Ctrl+Alt+V is not universal across all programming languages or development environments, so it may not work in every context
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The four general techniques that firewalls use to control access and enforce the site's security policy are: service control, direction control, user control, and __________ control .
Answers
The four general techniques that firewalls use to control access and enforce the site's security policy are: service control, direction control, user control, and behavior control.
Firewalls are an important tool in protecting computer networks from unauthorized access and malicious attacks. They work by monitoring and controlling the flow of network traffic between the internal network and the outside world, allowing only authorized traffic to pass through and blocking all other traffic.
Firewalls typically use four general techniques to control access and enforce the site's security policy: service control, direction control, user control, and behavior control. Service control refers to the ability of the firewall to control access to specific network services, such as email, web browsing, or file sharing. Direction control refers to the ability of the firewall to control the direction of network traffic, such as inbound or outbound traffic.
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Use parallel and highway in a sentence
Answers
Answer:
The road ran parallel to the highway, with the Uncompahgre River separating the unpaved road from the main thoroughfare to the east.
Answer:
QUESTION:
Use parallel and highway in a sentence
ANSWER:
We were on the highway parallel to the train tracks.
Explanation:
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for adding a numeric variable to a string in your print statement you need to put in a holder for the value displaying
Answers
For adding a numeric variable to a string in your print statement, you need to put a holder for the value you want to display. In Python, the most common way to achieve this is by using string formatting.
String formatting in Python allows you to replace placeholders in a string with the values of the variables you specify.
In Python, you can add a numeric variable to a string by using string formatting, which is a convenient way to create dynamic strings. String formatting allows you to replace placeholders in a string with the values of variables that you specify. There are several ways to do string formatting in Python, but the most common is by using the format() method.
Let's say you have a string that says "I have {} apples", and you want to replace the "{}" with the number of apples you have. You can do this by using the format() method like this:apples = 5print("I have {} apples".format(apples))This will output "I have 5 apples".
You can also specify the type of the variable you're formatting, like so:age = 25print("I am {} years old".format(age))This will output "I am 25 years old". You can also specify the position of the variable by using index numbers:
apples = 5bananas = 3print("I have {0} apples and {1} bananas".format(apples, bananas))This will output "I have 5 apples and 3 bananas". You can also specify the order of the variables by using keywords instead of index numbers:apples = 5bananas = 3print("I have {a} apples and {b} bananas".format(a=apples, b=bananas)).
This will output "I have 5 apples and 3 bananas".
String formatting is a powerful way to create dynamic strings in Python. By using placeholders and the format() method, you can easily add numeric variables to your strings and create more meaningful and personalized output. The possibilities are endless, and once you get the hang of string formatting, you'll find it an indispensable tool for creating complex and data-driven applications.
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the argument is the text string or value in the if function that will be displayed or the formula that will be calculated if the logical test argument is true.
Answers
The "if" function in Excel is one of the most popular functions used by analysts. It tests whether the condition is correct or false, and then performs an action based on the result.
The "if" function can be used to solve many problems. The function includes three elements: the "logical test" (the condition), the "value if true" (the result when the condition is true), and the "value if false" (the result when the condition is false). When the logical test is true, the function returns the value if true, and when the logical test is false, it returns the value if false. The "if" function is a simple function, but it is incredibly useful because it allows you to calculate values based on conditions.
The argument in the "if" function is the text string or value that will be displayed or the formula that will be calculated if the logical test argument is true. The logical test argument can be a reference to a cell that contains a value or a fixed value. The result argument is the text string or value that will be displayed or the formula that will be calculated if the logical test argument is false. In the "if" function, the logical test argument is a condition that must be true or false. If the logical test is true, the function returns the value if true. If the logical test is false, the function returns the value if false.
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divisions of a keyboard
Answers
Answer:
There are 4 SECTORS!
Explanation:
Alphabetical (Word keys, main function keys), Numeric (Number keys. which is the number pad to your right), The function keys (Like Num. lock, and the F keys that go through F1 to F12), and the Cursor keys (Which is LITERALLY just the arrow keys) But if you were a gamer like me, you'd know that WASD is better for gamers.
Another mention: Control Keys ( Includes your Windows Icon, Left Ctrl, Alt, Fn(If it's there) Your Tab key, your Caps, Shift, and Right Ctrl.)
A security team desires to modify event logging for several network devices. One team member suggests using the configuration files from the current logging system with another open format that uses TCP with a secure connection. Which format does the team member suggest?
Answers
Since option is not given, answer will be subjective. The format that the team member suggest is the use of password.
What is a secure connection?
This is known to be a kind of connection that is said to be often encrypted by one or a lot of security protocols to make sure that there is security of data flowing between two or a lot of nodes.
Hence, Since option is not given, answer will be subjective. The format that the team member suggest is the use of password.
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____ is a technology that exists inside another device
Answers
Answer:
Embedded technology is a technology that exists inside another device.
Answer:
Embedded
Explanation:
An embedded system is a combination of computer hardware and software designed for a specific function.
discuss what you can do if you need to change a table’s structure in ways that are beyond the capabilities of your dbms
Answers
If you need to change a table's structure in ways that are beyond the capabilities of your DBMS, you can manually modify the table using SQL commands or transfer the data to a different DBMS that supports the desired modifications.
You can manually modify the table using SQL commands or transfer the data to a different DBMS that supports the desired modifications.A database management system (DBMS) is software that allows users to interact with a database. It controls the creation, modification, and deletion of data in a database. It also permits users to store and retrieve data from the database.The capabilities of a DBMS are as follows:Data definition language (DDL): The DBMS supports the creation, modification, and deletion of database structures and objects using a DDL.Data manipulation language (DML): This language is used to manage data in a database. It enables users to select, insert, update, and delete data from the database.Transaction management: The DBMS supports the creation and management of transactions, which ensure that database operations are completed correctly and consistently.Database security: The DBMS provides security measures to protect the data in a database from unauthorized access and modification. It also allows users to control access to the database.The organization of data in a relational database is known as a table's structure. A table's structure is defined by a set of columns and their data types. It also defines constraints on the data that can be stored in the table. The structure of a table determines how data can be queried and manipulated.Learn more about database management system: https://brainly.com/question/24027204
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Which of the following kinds of file utilities shrink the size of a file(s)?
A. conversion. B. file compression. C. matrix. D. unit
Answers
The Correct answer is Option (B), A file compression utility is a utility that shrinks the size of a files.
What is Compression utility?A software package that compressed and decodes different file types is known as a compression software or compression utility. Tools of compressing and uncompressing files are generally included with operating systems. For instance, the most recent versions of Microsoft Windows come with a tool for producing and extracting compressed files.
What makes a compression tool helpful?Black and white pictures can be compressed up to 10 times, and color image files can be compressed up to 100 times). They will upload faster as a result, making them considerably simpler to email and transfer.
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Consider the following class definition.
public class BoolTest
{
private int one;
public BoolTest(int newOne)
{
one = newOne;
}
public int getOne()
{
return one;
}
public boolean isGreater(BoolTest other)
{
/ missing code /
}
}
The isGreater method is intended to return true if the value of one for this BoolTest object is greater than the value of one for the BoolTest parameter other, and false otherwise. The following code segments have been proposed to replace / missing code /.
return one > other.one;
return one > other.getOne();
return getOne() > other.one;
Which of the following replacements for / missing code / can be used so that isGreater will work as intended?
A.
I only
B.
II only
C.
III only
D.
I and II only
E.
I, II and III
Answers
The replacements for / missing code / can be used so that is Greater will work as intended are I, II and III.
Which statement best sums up what the arrayMethod() function performs to the array nums?The array method call will now result in a run-time error because it tries to access a character at index 7 in a string whose final element is at index 6, even though it used to function without a problem.The fetch, decode, execute cycle is the order in which a CPU runs code. When a chunk of code is placed into RAM, the CPU reads its individual components one at a time, converts them into binary using the assembler, and then runs the code.The replacements for / missing code / can be used so that is Greater will work as intended are I, II and III.To learn more about arrayMethod() refer to:
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What are five (5) things about this career choice that appeals to you?
It’s highly recommended that you furnish two to three sentences per point/question.
Answers
Which of the following is constantly changing and advancing?
Innovation
Cell phones
Technology
Computers
Answers
Answer:
Technology
Explanation:
This is because Cell phones ,Innovation ,and Computers ARE changing although they are in the same group of "Technology" so it would be technology.
Any questions?
If the disaster requires actions offsite from the primary infrastructure, it is under the jurisdiction of__________.
Answers
Answer:
Business continuity
Explanation:
The disaster is affecting business functions and needs to be urgently remedied.
what is the limitation of computer
Answers
The limitation of computer are:
No self-intelligenceNo feelingNo learning powerDependencyWhich of the these is tool for creating mobile apps? A:C# B:Apple Pie C:Appy Pie D:C++
Answers
Answer:
Appypie
Explanation:
Have a good day
The tool used for creating mobile apps is C#. The correct option is A.
What is C#?C# is a multi-paradigm, broad sense programming language. C# programming areas of study encompassing static typing, strong typing, lexically scoped, imperative, declarative, functional, generic, object-oriented, and component-oriented programming.
C++ is an intermediate-level language that extends C with object-oriented features, whereas C# is a high-level language.
C++ compiles programs to Machine Codes, whereas C# compiles programs to Common Language Runtime, abbreviated as CLR.
C# is a popular programming language for Windows desktop apps, enterprise solutions, and even game development, as the Unity game engine is built on it.
C# or F# can be used to create native apps for Android, iOS, and Windows (Visual Basic is not supported at this time).
Thus, the correct option is A.
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Select the correct answer.
An automobile manufacturing organization noted a drop in sales after an incident occurred due to the lack of a safety feature in their cars. Many customers began considering other brands of cars after this incident. How can the organization avoid losing customers?
A.
introducing customer retention strategies
B.
detecting customer fraud
C.
classifying customers into groups
D.
applying medical research
Answer is A- introducing customer retention strategies
#platogang
Answers
Answer:
The answer is A
Explanation:
Which rule should be on the top line when creating conditional formatting?
the most important rule that marks it as lowest precedence
the most important rule that marks it as highest precedence
O the least important rule that marks it as highest precedence
the least important rule that marks it'as lowest precedence
Answers
Answer:
B
Explanation:
Final answer
Answer:
B) the most important rule that marks it as highest precedence
Explanation:
"Should be on the top line because it is the most important." -Edge narrator
When searching you will need to compare a data value to the desired value. Which line of code returns true when the item is equal to five?
item == 5
item = 5
item != 5
item is 5
Answers
Answer:
The right answer is: item==5
Explanation:
In Python, two operators are used for equal to comparison.
==isFrom these, == is used when two data values have to be compared or actual values of two variables have to be compared while "is" is used when it has to be checked if two variables refer to same object or data.
Hence,
In this case, == will be used as two data values are being compared.
So,
The right answer is: item==5
Answer: item ==5
Explanation: trust me bro