Answer:
SocialPeta
Explanation:
Error: At least one of the class levels is not a valid R variable name; This will cause errors when class probabilities are generated because the variables names will be converted to X0, X1 . Please use factor levels that can be used as valid R variable names (see ?make.names for help).
Using the knowledge in computational language in JAVA it is possible to write a code that use factor levels that can be used as valid R variable names
Writting the code in JAVA:method = "repeatedcv"
, number = 10
, repeats = 1
, verboseIter = TRUE
, summaryFunction = fivestats
, classProbs = TRUE
, allowParallel = TRUE)
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Question In an existing company database, the customers table contains the following columns: CustomerId, FirstName, LastName, Company, Address, City, State, Country, PostalCode, Phone, Fax, Email, and SupportRepId.
Using the knowledge in computational language in SQL it is possible to write a code that existing company database, the customers table contains.
Writting the code in SQL:SELECT FirstName,
LastName,
HireDate,
(STRFTIME('%Y', 'now') - STRFTIME('%Y', HireDate))
- (STRFTIME('%m-%d', 'now') < STRFTIME('%m-%d', HireDate))
AS YearsWorked
FROM Employees
WHERE YearsWorked >= 15
ORDER BY LastName ASC
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Intrusion detection and prevention systems can deal effectively with newly published attacks or variants of existing attacks.
Intrusion detection and prevention systems can deal effectively with newly published attacks or variants of existing attacks is False statement.
Why use an intrusion detection and prevention systems?A network intrusion detection system (NIDS) is known to be one that is very vital for network security due to the fact that it helps you to be able to know or detect and also be able to respond to any form of a malicious traffic.
Note that the primary gains of an intrusion detection system is to make sure that IT personnel are notified if an attack or network intrusion has taking or is taking place.
Hence, Intrusion detection and prevention systems can deal effectively with newly published attacks or variants of existing attacks is False statement.
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Intrusion detection consists of procedures and systems that identify system intrusions and take action when an intrusion is detected.
A) True
B) False
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A network designer wants to run a 10 gigabit backbone between two switches in buildings that are 75 m (246 feet) apart. What is the main consideration when selecting an appropriate copper cable?
The main consideration when selecting an appropriate copper cable is that:
At that given distance, one can use some kinds of shielded or screened cat 6A or one can use a cable which is said to be needed for the installation to be in line with Ethernet standard 10GBASE-T.
What are the types of copper cables?Copper cable are known to often electrical signals to transmit data between some or a given networks.
Note that there are three types of copper cable which are:
coaxial, unshielded twisted pair shielded twisted pair.Copper is said to be a kind of electrical conductor in a lot of categories of electrical wiring and so The main consideration when selecting an appropriate copper cable is that:
At that given distance, one can use some kinds of shielded or screened cat 6A or one can use a cable which is said to be needed for the installation to be in line with Ethernet standard 10GBASE-T.
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What three values must be added to the ipv4 properties of a nic in order for a computer to have basic connectivity with the network? (choose three. )
How can you reduce the likelihood of wps brute-force attacks?
One can reduce the likelihood of wps brute-force attacks if they Implement lockout periods for incorrect attempts.
What is a Brute Force Attack?This refers to the type of hacking that is done when a system or algorithm tries out multiple password combinations and sequences until it gets the right one.
Hence, we can see that based on the vulnerability of the WPS system to a brute force attack, it is recommended that there is the implementation of lockout periods for incorrect attempts.
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A(n) ________ is the association between tables where both tables contain a common field.
A) link.
B) data model.
C) relationship.
D) share point.
Answer: Relationship
Explanation: A relationship is an association between two tables where the tables contain a common field of data.
Steve wants to insert the copyright information in the webpages for the images used in the website. where would you recommend him to place this information?
I would recommend to Steve that he should insert or place the copyright information for the images used in the website in between the <footer>.....</footer>.
What is a website?A website can be defined as a collective name which connotes a series of webpages that are interconnected or linked together with the same domain name, so as to provide certain information to end users.
What is a webpage?A webpage can be defined as a hypertext document within a website and it usually has a unique uniform resource locator (URL).
In this scenario, I would recommend to Steve that he should insert or place the copyright information for the images used in the website in between the <footer>.....</footer> because they would appear underneath each of the webpages.
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Jared tends to display his weaknesses and downplay his positive characteristics. With whom is he is likely to prefer to spend time
In the case above, Jared is likely to prefer to spend time with his friends.
What is the meaning of association?The Definition of the term association is known to be the act of being with other people.
People often associate with others due to one thing all the other. life exist only as a result of the relationship we have. it can be association base on friendship, love, family, business, and others.
Note that in the case above, because Jared wants to be with his friends, he tends to show only his weakness and as such, In the case above, Jared is likely to prefer to spend time with his friends.
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How can you ensure that your internet search is happening over a secure network connection?.
A person can you ensure that your internet search is happening over a secure network connection by the use of:
By Renaming your Routers and Networks.The use of a strong passwords.Do Turn on encryption.The use of multiple firewalls.What is secure network connection?A secure connection is known to be a kind of a connection that is known to be one that is often encrypted by the use of a single or a lot of security protocols to make sure that the security of data that is known to be passing between two or more nodes.
Therefore, based on the above scenario, A person can you ensure that your internet search is happening over a secure network connection by the use of:
By Renaming your Routers and Networks.The use of a strong passwords.Do Turn on encryption.The use of multiple firewalls.Learn more about internet search from
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What would happen to the glomerular filtration rate (gfr) if a person suffered from severe malnutrition?
Answer: Children and adults with malnutrition have been shown to have a decreased glomerular filtration rate and renal plasma flow (RPF), as well as a lowered capacity to concentrate the urine and excrete an acid load.
Explanation:
When you log into a website that uses a directory service, what command authenticates your username and password?
When you log into a website that uses a directory service, The Bind command authenticates your username and password.
What is the Bind command?The Bind command is known to be seen as the Bash shell builtin command.
Note that this is a term that is often used to set Readline key bindings and also that of its variables.
Note that the keybindings are seen as the keyboard works or actions that are said to be bound to a function.
Note also that it can be used to alter how the bash will act to keys or combinations of keys and thus, When you log into a website that uses a directory service, The Bind command authenticates your username and password.
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Weak passwords are a(n) ___________ threat
Answer: Employee
Explanation:
Task 5: Create the GET_CREDIT_LIMIT procedure to obtain the full name and credit limit of the customer whose ID currently is stored in I_CUST_ID. Place these values in the variables I_CUSTOMER_NAME and I_CREDIT_LIMIT, respectively. When the procedure is called it should output the contents of I_CUSTOMER_NAME and I_CREDIT_LIMIT.
The SQL statement that would create the GET_CREDIT_LIMIT procedure to obtain the full name and credit limit of the customer is:
GET_CREDIT_LIMIT
SELECT CUST_ID 125
FROM FIRST_NAME, LAST_NAME, CREDIT_LIMIT
WHERE LAST_NAME ="Smith"
What is SQL?This is an acronym that means Structured Query Language that is used in handling data in a database.
Hence, we can see that from the attached image, there is a table that contains the details of customers and their various data such as their first and last names, credit limits, address, etc, and the GET_CREDIT_LIMIT procedure is shown above.
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A video production company uploads large video files to s3 buckets using multipart upload. To which aws cloud best practice does this adhere?
The think parallel is the AWS cloud best practice that this adheres to.
What is the AWS cloud practice?This is the term that is used to refer to Amazon cloud services. It is one of the most popularly known cloud service around the world. It helps by giving the opportunity for the delivery of IT based services and other technologies through the pay as you go basis.
It helps by providing the use of different forms of processing capabilities and other forms of services that are useful to business.
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Consider the following method. public boolean checkIndexes(double[][] data, int row, int col) { int numRows
The variable declaration and initialization, that appears in a method in the same class as checkIndexes is checkIndexes(table, 4, 5).
What is declaration of a variable?Declaration of a variable is known to be a function or work that is seen in computer programming language.
This is known to be a form of a statement that is known to be often used to state or specify the variable in regards to its name and that of its data type.
Note that the Declaration is known to be one that informs the compiler about the presence of an entity in that program and where one can find it.
Hence, The variable declaration and initialization, that appears in a method in the same class as checkIndexes is checkIndexes(table, 4, 5).
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Consider the following method.
public boolean checkIndexes(double[][] data, int row, int col)
{
int numRows = data.length;
if (row < numRows)
{
int numCols = data[0].length;
return col < numCols;
}
else
{
return false;
}
}
Consider the following variable declaration and initialization, which appears in a method in the same class as checkIndexes.
double[][] table = new double[5][6];
Which of the following method calls returns a value of true ?
A checkIndexes(table, 4, 5)
B checkIndexes(table, 4, 6)
C checkIndexes(table, 5, 4)
D checkIndexes(table, 5, 6)
E checkIndexes(table, 6, 5)
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A technician needs to upgrade the RAM in a database server. The server's memory must support maintaining the highest levels of integrity. Which of the following type of RAM should the technician install
If the technician needs to upgrade the RAM in a database server, the type of RAM that the technician need to install is ECC (Error correction code).
What is the server about?An error correcting code (ECC) is known to be a kind of an encoding scheme that moves messages as a kind of a binary numbers.
Note that it often does this in a way that the message is one that can be gotten back even if a little or some bits are said to be erroneously flipped.
Hence, If the technician needs to upgrade the RAM in a database server, the type of RAM that the technician need to install is ECC (Error correction code).
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A technician needs to upgrade the RAM in a database server. The server's memory must support maintaining the highest levels of integrity. Which of the following type of RAM should the technician install?
ECC (Error correction code)
Parity
Non-parity
SODIMM
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Write code to define a function named mymath. The function has three arguments in the following order: Boolean, Integer, and Integer. It returns an Integer. The function will return a value as follows: 1. If the Boolean variable is True, the function returns the sum of the two integers. 2. If the Boolean is False, then the function returns the value of the first integer - the value of the second Integer.
Answer:
public class Main
{
public static void main(String[] args) {
Main m=new Main();
System.out.println(m.mymath(true,5,2)); // calling the function mymath
}
public int mymath(boolean a,int b,int c) // mymath function definition
{
if(a==true)
{
int d=b+c;
return d;
}
else{int e=b-c;
return e;
}
}
}
You have been asked to configure a client-side virtualization solution with three guest oss. Each one needs internet access. How should you configure the solution in the most cost-effective way?
The most cost-effective way to configure a client-side virtualization solution is by using one (1) physical NIC, three (3) virtual NICs, and one (1) virtual switch.
What is virtualization?Virtualization refers to the creation of an abstraction layer over computer hardware through the use of a software, in order to enable the operating system (OS), storage device, server, etc., to be used by end users.
In this scenario, the most cost-effective way to configure a client-side virtualization solution is by using one (1) physical network interface card (NIC), three (3) virtual network interface cards (NICs), and one (1) virtual switch.
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Why does the use of passwords put the overall security of the network in jeopardy?
application of ict in education
Explanation:
An advantage is that you can be more interactive with students. Teachers can further engage their students with things like quizzes. A disadvantage is you can get information almost instantly which may leave children questioning why they go to school, causing resultant dropouts. This also may make it easier to cheat on examinations which teachers don't want.
define the term spread sheet
Answer:
A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form. Spreadsheets were developed as computerized analogs of paper accounting worksheets. The program operates on data entered in cells of a table.
Explanation:
What is a method for confirming users’ identities?
Answer: Authentication
Explanation:
We wish to compute the laziest way to dial given n-digit number on a standard push-button telephone using two fingers. we assume that the two fingers start out on the * and # keys, and that the effort required to move a finger from one button to another is proportional to the euclidean distance between them. design and analyze an algorithm that computes in time o(n) the method of dialing that involves moving your fingers the smallest amount of total distance
Answer:
R(i, k) + dist(d[k], d[i+1]) over all k < i
Explanation:
What is the confirmation or validation of an event or object? multiple choice business intelligence data fact descriptive analytics
Fact is the confirmation or the validation of an event or object.
What do we mean by a fact?A fact is known to be a form of an indisputable observation in regards to a natural or social scenario.
The definition of the term fact is known to be anything that is regarded as true or that thing that has taken place or has been proven to be right. An example of a fact is the popular notion that the world is round.
Note that a person can see it straightforward and show it to others, hence, Fact is the confirmation or validation of an event or object.
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The ___ method takes a callback function as an argument and returns the first element in an array for which the callback function returns true.
Answer:
Find
Explanation:
The find method takes a callback function as an argument and returns the first element in an array for which the callback function returns true.
Which types of attacks are thwarted by complex passwords that are combinations of upper and lower case letters, numbers, and special characters
The types of attacks that are known to be thwarted by complex passwords that are combinations of upper and lower case letters, numbers, and special characters are said to be Brute Force Attacks.
What is Brute Force Attacks?
This is known to be an attack that is said to be a very crude type of attack and it is often seen as a brute-force attack.
Note that is one that does not depend on lists of passwords, but it is one that often tries all the very possible combinations of permitted character types.
Hence, this type of attack was known to be historically seen as ineffective, and it is said to be The types of attacks that are known to be thwarted by complex passwords that are combinations of upper and lower case letters, numbers, and special characters are said to be Brute Force Attacks.
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What is the digital foot print?
Answer:
Digital footprint (or digital shadow) refers to a person's unique set of traceable digital activities, actions, contributions and communications manifested on the Internet or digital devices.
Hope this helps.
Answer: A digital footprint is an impact you create on the Web through your online activity, which incorporates browsing, interactions with others, and publication of content. In other words, it can be considered as the data trail – intentional and unintentional - you leave behind while you surf the Web or Internet.
What do we call a blinking indicator that shows you where your next action will happen?
Answer:
cursor
Explanation:
What is the new subnet mask in prefix format?
In the case above, the the new subnet mask in prefix format is seen in IPv6 and in IPv4.
What is subnet prefix mask?A lot or a single computer that is known to be linked to a subnet is said to shares a kind of an identical part of the IP address.
Note that this shared information is said to be called the routing prefix, and in IPV4 (Internet Protocol Version 4), the routing prefix is said to be called a subnet mask.
Hence, The the new subnet mask in prefix format is seen in IPv6 and in IPv4 because that is the format that it always comes in.
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