The full domain name of a particular computer or host on the internet is known as a fully qualified domain name (FQDN).
The hostname and the domain name are the two components of the FQDN. A hypothetical mail server's FQDN, for instance, might be mymail.somecollege.edu. Linux users, meanwhile, can locate FQDN by typing the hostname -fqdn command line in the Terminal. Press CTRL + ALT + T to launch the Terminal, or click the Dash icon, type "terminal" into the search box, and choose the Terminal application from the results. Each internet-connected object (computer, server, etc.) can be uniquely identified and located within the internet infrastructure thanks to a FQDN. Consider the DNS as the internet's address book, which locates and translates.
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during the ____ cycle of the cpu, data inputs are prepared for transformation into data outputs.
Data inputs are prepared for transformation into data outputs during the fetch cycle of the CPU.
What procedure is used to transfer data from main memory to a register?Data is transferred from main memory into a register during a load process. Data is transferred from a register into primary storage during a store operation. There are at least two steps in a data transfer. Data is first extracted from the original source, which is referred to as the first step. After that, the data is loaded, or written, to the intended location. The execution of these stages might be done manually or automatically.
Which significant task is carried out by the CPU ?The processor is also known as a microprocessor or a CPU (central processing unit). The processor carries out calculations, carries out commands, and output operations.
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What statement correctly identifies the purpose of a software patch?
a. A software patch is a correction, improvement, or enhancement to software.
b. A software patch is a major change to a software package that enhances the functionality and features of the software, while also correcting bugs and vulnerabilities.
c. A software patch involves the process of reverting to a previous version of software after attempting to upgrade it. .
d. A software patch is a container for new software and must be installed on relevant devices and incorporated with network resources.
A software patch is a significant update to a software product that improves its features and functionality while also fixing bugs and security holes.
What do patches mean?Patches are upgrades to software and operating systems (OS) that fix security flaws in a programme or product.Updates may be released by software developers to fix performance problems and include better security features.
How do security fixes work?A security patch basically involves adding code to systems, programmes, or software in order to "patch" the vulnerability. This strengthens the system's defences against intrusion.
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The statement that correctly identifies the purpose of a software patch is: A software patch is a correction, improvement, or enhancement to software. The correct option is a.
A software patch is typically a small piece of code or update that is released by the software developer to fix issues, address vulnerabilities, or enhance the functionality of existing software.
It is meant to be applied to an existing software installation to update and improve its performance or security without requiring a complete reinstallation.
Patches are often released periodically to address bugs, security vulnerabilities, compatibility issues, or to introduce new features or improvements to the software.
Thus, the correct option is a.
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an attribute that contains a collection of related attributes is called a(n) _______.
association attribute
class attribute
key attribute
compound attribute
an attribute that contains a collection of related attributes is called a(n) compound attribute.
What does a MicroStrategy composite attribute look like?A compound attribute is an attribute with more than one column designated as the ID column. This means that more than one ID column is required to identify the components of that characteristic in a unique way. Typically, you establish a compound attribute when your logical data model shows that a compound key relationship exists.
Distribution Center is an illustration of a compound attribute used in the MicroStrategy Tutorial project. A distribution center's ID and the nation in which it is located must be known in order to be able to identify it uniquely.
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We are passing in a list of numbers.
Add up all the list elements and output the result.
import sys
numbers = sys.argv[1].split(",")
expected output is 25
To fit all of our numbers, we could only utilize the letter l. We wanted to make sure that there was always a list of numbers that wasn't empty.
Passing method: What is it?A method uses the data that is provided to it to carry out its functions. Clarification of the definition An "argument" is something that is given "to" a procedure. A "parameter" is the "kind" of data that a method may receive.
What is a method's passed-in value called?When a method is called, arguments are the actual values that are handed in. The type and order of the arguments used to call a method must coincide with the declaration's parameters.
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Which option is not a valid representati of the 2001:0000:35do:0000:5600:abed:e930:0001 address?
A) 2001:0000:35d0:5600:abed:e930:0001
B) 2001: :35d0:056:abed:e930:0001
C) 2001:0:35d0:0:5600:abed:e930:1
D) 2001 ::35d0:0:5600:abed:e930:1
2001::35d0:056:abed:e930:0001 is an incorrect depiction of the IP address. There are several ways to represent the 2 address; 2 is not one of them.
What does IP stand for?A device on the internet or a local network can be identified by its IP address, which is a special address. The rules defining the format of data delivered over the internet or a local network are known as "Internet Protocol," or IP.
Your IP address tells you what?An crucial component of accessing the Internet is the IP address, which is given or leased to a person by an Internet service provider. IP addresses reveal the source of data and the destination it should be routed to. IP addresses can be static or dynamic.
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Solid-state storage is quickly replacing _____ for storing data on small devices like the iPod.
A: magnetic tape
B: microdrives
C: mylar film
D: sequential access
The correct option A: magnetic tape, For storing data on small devices like the iPod, solid-state storage is rapidly replacing magnetic tape.
Explain the term magnetic tape and its uses?Speech and music are recorded on magnetic audio tape, and analog voice and video signals are simultaneously and directly recorded on magnetic videotape at a low cost.
Alphanumeric data, as well as other analog information, can be directly recorded using magnetic technology. It served as the main input and output device for storing data and programs. Magnetic tape, on the other hand, has a longer history than computers. It all started in 1928 with the development of audio storage, which led to widespread adoption in the radio and recording industries.Use of magnetic tape in Ipods:
The only component of an iPod cassette adapter is a magnetic head, not a piece of tape. It connects to the iPod in the same way that your headphones do, but instead of turning the iPod signals into sound, it converts them into the specific language that a regular cassette uses to communicate with a stereo. The instructions are then flashed at the stereo, sort of like showing someone a series of flash cards with one word at a time on them as opposed to a piece of paper with writing.To know more about the magnetic tape, here
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The browser feature where tabs are independent of each other is known as ________.
a. pinned tabs
b. tab isolation
c. tear-off tabs
d. session tabs
You can separate a browser tab into its own window using a web browser's feature known as: D. Tabs torn off.
An end user can see, access, and carry out specific actions on a website using a web browser, which is a type of software application (program) that is created and developed for this purpose, especially when connected to the Internet. In terms of computer technology, "tear-off tabs" simply refers to a web browser function that allows a user to separate a browser tab into its own window in order to increase productivity. You can separate a browser tab into its own window using a web browser's feature known as: D. Tabs torn off. The browser's tab isolation function helps to safeguard your data from malware. It makes advantage of the impact of the crash to increase the browser's dependability.
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click cell i5 and enter a function that determines the number of full-time employees, (ft).
To determine the number of full-time employees in cell I5, you can use the COUNTIF function: =COUNTIF(A1:A100, "Full-time")
To determine the average salary of all full-time employees in cell I6, you can use the AVERAGEIF function with a criteria range that corresponds to the full-time employees: =AVERAGEIF(A1:A100, "Full-time", B1:B100)To return the tax deduction amount for the number of dependents listed in cell C5, you can use the VLOOKUP function with the table range H13:I17: =VLOOKUP(C5,H13:I17,2,FALSE)What is the worksheet about?In regards to the question:
To copy the function down in column E, you can use Flash Fill by typing the formula in the first cell and then using the Flash Fill tool to automatically copy the formula down the column.To calculate employee FICA withholding in cell F5, you can use the IF and AND functions: =IF(AND(A5="Full-time",C5>0),B57%,B55%)To copy the function down in column F, you can use Flash Fill by typing the formula in the first cell and then using the Flash Fill tool to automatically copy the formula down the column.To apply conditional formatting to the range C4:C34, you can select the range and then go to the Home tab and select Conditional Formatting > Highlight Cell Rules > Greater Than. Set the value to 3 and choose the Red fill color.Learn more about worksheet from
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See full question below
On Insurance worksheet, Click cell I5 and enter a function that determines the number of full-time employees, (FT).
Enter a function in cell I6 that determines the average salary of all full-time employees. Format the results in Accounting Number Format.
Enter a lookup function in cell E5 that returns the tax deduction amount for the number of dependents listed in the cell C5. Use the table in range H13:I17 to complete the function. The maximum deduction is $500.00; therefore, employees with more than four dependents will receive no additional deductions.
Use Flash Fill to copy the function down, completing column E. Be sure to use the appropriate cell referencing. Format the data in column E with the Accounting Number Format. Save the workbook
Enter a logical function in cell F5 that calculates employee FICA withholding. If the employee is full-time and has at least one dependent, then he or she pays 7% of the annual salary minus any deductions. All other employees pay 5% of the annual salary minus any deductions. Copy the function down through column F. Format the data in column F with Accounting Number Format.
Apply conditional formatting to the range C4:C34 that highlights any dependents that are greater than 3 with Red.
For Questions 1-4, consider the following code:
def mystery(w, n):
if (n>5):
return w.upper()
else:
return w.lower()
The following line of code will output the string in lower case.
print(mystery("bye"), 0)
Group of answer choices
-True
-False
ture..........
...
...............
An attacker uses the nslookup interactive mode to locate information on a domain name service (dns). What command should they type to request the appropriate records for only the name servers?.
What command should they type to request the appropriate records for only the name servers? The answer is set type=ns.
What is set type=ns function?The name of the authoritative name server for a domain or DNS zone is contained in a DNS record known as an NS record (or nameserver record). When a client requests an IP address, it can use a DNS lookup to get the IP address of the requested location from an NS record. Name server for the named zone is specified. If the query is an IP address, the PTR indicates a computer name; if not, it specifies the pointer to another piece of information. A DNS zone's start-of-authority is specified by the SOA. TXT: Describes the text data. In two different ways, the nslookup command queries domain name servers on the internet.
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A technician uses a file level backup strategy for a user's files. Then, the technician creates a recovery image of the operating system and applications. Why did the technician create the file-level backup and the recovery image separately
The technician created the file-level backup and the recovery image separately to ensure that the user's data and settings are backed up separately from the operating system and applications.
This allows the user to easily recover their files if there is an issue with the operating system or applications, or if the user needs to restore the system to an earlier point in time. The recovery image also provides the technician with a way to quickly restore the operating system and applications if needed.
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One of the limitations of the ____ model is that there is a lack of standards.A) hierarchicalB) networkC) relationalD) entity relationshipCorrect
Displaying outcomes for The lack of standards is one of the drawbacks of the ___ model. (A) entity relationship (B) network (C) relational Correct
Instead, look for The lack of standards is one of the drawbacks of the ___ model. Hierarchical, networked, relational, entity relationship, and networked Correct
What is the example of drawback
A disadvantage or little issue is a downside. Losing sleep, having your footwear chewed on, and overspending at the vet are a few downsides of getting a puppy.
When something is primarily advantageous yet has flaws, those flaws are disadvantages. Despite the disadvantage of having to wake up early on Saturday mornings, you might adore your new job working at the library on the weekends. Although there are very real disadvantages to getting that lovely puppy,
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moving from left to right, the first calculation in the order of operations is negation (-).
TRUE: In the order of operations, negation (-) is the first calculation from left to right.
Define the term order of operations?In order to evaluate a given mathematical expression, a set of rules known as the order of operations (or operator precedence) must be followed.
These rules represent conventions about which operations should be carried out first.Priority and associativity are defined by a few rules in each computer language. They frequently adhere to rules that we may already be familiar with. We were taught in elementary school that addition and subtraction come after multiplication and division. Still valid is this rule.Sequence of Events:
Parentheses.Exponents.Division and addition.Addition and subtraction.Operators include:
only having one operand, or unary.Two operands, one on either side of the operator, define a binary operation.Trinary: There are two operator symbols separating three operands.Thus, in the order of operations, negation (-) is the first calculation from left to right.
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The complete question is:
moving from left to right, the first calculation in the order of operations is negation (-). (T/ F)
The response of the DBMS to a query is the ____. a. ad hoc query b. ad hoc response c. query result set d. integrated view of the data.
All kinds of data are stored in the database. There should be a method to access, modify, and update it once it has been stored.
What kind of query uses the results of the query to construct a new table?With a make table query, data is retrieved from one or more tables and then added to a new table. You can either build that new table in a different database or add it to the one you already have open.
Is DBMS a grouping of relevant data?An organization of connected data and a set of software tools for accessing that data make up a database-management system (DBMS). This is a database since it consists of a collection of linked data that serves a certain objective. the collecting of information, usually The database contains data, which is sometimes referred to as enterprise-relevant information.
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a(n) ____________________ is a specific request issued to the dbms for data manipulation.
A(n) query is a particular request made to the database management system for data modification.
By data, what do you mean?Data is information that has been transformed into a format that is useful for transfer or processing in computing. Data is information that has been transformed into binary digital form for use with modern computers and communication mediums.
What are data and examples of it?Text, observations, figures, pictures, numbers, graphs, and symbols are all examples of data. Data may consist of specific costs, weights, addresses, names, ages, temperatures, dates, or distances, for instance. Data is a basic type of knowledge and has no meaning or use by itself.
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in ______________, a vnic relies on the host machine to act as a nat device.
A vnic in Nat networking mode depends on the host computer to function as a nat device.
What is Nat networking mode?The "outside" of the NAT is a routable external address.
The "inner" address of the devices behind the NAT is typically unroutable.
The NAT system in the middle creates a forwarding table entry consisting of (outside ip, outside port, nat host ip, nat host port, inside ip, inside port) whenever a connection is created between an inner address and an outside address. Every packet whose first four parts match has its destination's last two parts changed.
There is no way for the NAT box to know where to transfer a packet if it is received that does not match an item in the NAT table unless a forwarding rule was manually created.
Because of this, a system behind a NAT device is "protected" by default.
Hence, A vnic in Nat networking mode depends on the host computer to function as a nat device.
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Origin encountered an issue loading this page. Please try reloading it - if that doesn't work, restart the client or try again later.
I have reinstalled it multiple times, but still have same issue. Any solution?
Accessing the Origin data folders and deleting the cache files there is one of the most effective fixes for the "Origin Encountered an Issue Loading this Page" error.
When running multiple runs of an experiment, data folders come in handy. You can save the data for each run in a separate data folder. The data folders can be named "run1," "run2," and so on, but the names of the data arrays and variables in each data folder can be the same as in the others. In other words, the information about which run the data objects belong to is encoded in the data folder name, allowing the data objects to have the same names across all runs. This enables you to write procedures that use the same data array and variable names regardless of which run they are working on.
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The Origin data folder should be accessed in order to remove the cache files, which is one of the best solutions for fixing the "Origin Encountered an Issue Loading this Page" error. After using this repair method and restarting their computer, several impacted customers reported being able to open Origin without any issues.
What is a data folder?
Your app can store data that is exclusive to that application, including configuration files, in the application data folder, a special hidden folder.
Whenever you try to create a file in the application, the application data folder is automatically generated. Any files that should not be accessed directly by the user should be kept in this folder.
Why won't my Origin page load?
Clean Boot your modem/router and restart them. Check to see if your UAC is activated and configured to notify. Install the Origin client by downloading the most recent version and being sure to run the setup file as administrator.
Open the required ports and add exceptions to your firewall and antivirus software for Origin.
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dial-up internet access is an example of a(n) ____ communications system.
Answer:
tele
Explanation:
A(n) ________ is a small program that performs general housekeeping tasks for your computer.
A) operating system
B) user interface
C) application software
D) utility program
A utility program is a quick and simple piece of software that takes care of your computer's everyday maintenance.
In software, what does housekeeping mean?A standard entry or exit routine that is appended to a user-written block of code (such as a subroutine or function, sometimes as a function prologue and epilogue) at its entry and exit is referred to as housekeeping in computer programming. It can also refer to any other automated or manual software process.
What is the name of the program on a computer that executes a task?System software and application software are the two primary subcategories of software. Software that carries out specific tasks or satisfies needs is called an application.
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a table ___________________ can be used when you want to assign a temporary name to a table.
To give columns or tables a temporary name, use SQL ALIASES. To make the column heads in your result set simpler to read, utilize COLUMN ALIASES.
What determines the type of data that a column in a table can store when it is defined?In a relational database, a field, which is sometimes known as a column, is a component of a table that has been given a particular data type. The type of data that a column can contain depends on its data type.
In SQL, how can I momentarily rename a table?The Construct TABLE statement is used to create global temporary tables, and their names must begin with the double hashtag (##) symbol.
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A(n) ________ is a field of data used to locate a related field or record.
A) key
B) index
C) lock
D) pointer
A) key is a field of data used to locate a related field or record.
What is a key?A key is a field of data used to identify a specific record or row in a table within a database. For example, in a table of customer information, the customer's ID number may be used as a key to locate all of the information for that specific customer.
A pointer, on the other hand, is a variable in a computer program that stores the memory address of another variable or object. Pointers are used to refer to memory locations within a program, and can be used to dynamically allocate memory and to pass data between different parts of a program.
In all, a key is a area used to identify a specific record in a database, while a pointer is a variable used to refer to a specific memory address in a computer program.
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a(n) _____ is a banner ad that is designed to span the top or bottom of a web page.
The correct answer is leaderboard ad is a banner ad that is designed to span the top or bottom of a web page.
Leaderboard. The first banner ad to load on a website, above the content, is a leaderboard. They are a huge, highly noticeable size and the first advertising a user sees when they visit a page. They provide advertising a lot of room in a prominent place without interfering with the content. This kind of website banner advertisement, sometimes referred to as a "mega banner," typically displays at a premium position at the top of the page. Leaderboard banners typically have proportions of 728 pixels wide by 90 pixels height.
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the advantages of self-driving cars include all of the following except _________. A. insurance rates will decrease
B. families will only require one vehicle
C. fewer accidents and traffic violations will be incurred
D. they will be far more expensive to own and operate over time than current automobiles
E. fuel usage will decrease
Answer:
A.
insurance rates will decrease
In the FHS, the ____ directory contains the Linux kernel and files used by the boot loader. 1) /load 2) /bin 3) /boot 4) /mnt. 3) /boot.
Answer: /boot
Explanation:
1. Describe your opinions about digital content ownership and how information should be shared. Include in your answer how you can use Creative Commons, open-source software, and material that has become part of the public domain.
2. At lunch, you are sitting with your friend who tells you about someone she has been chatting with online. She tells you that they have exchanged pictures, are the same age, and have similar interests. She then tells you she is planning to meet them at the park after school. You know that this is a very bad idea but aren’t sure what to do. You have a few hours to formulate a plan on how to talk your friend out of going. Use what you have learned about online safety to construct an argument for convincing your friend not to meet this person. Include whether you think it is important to tell a trusted adult about the incident, even if you know it would upset your friend.
3. Professionals in the Information Technology career pathway can face a number of ethical and legal IT issues. Give three examples of ethical or legal issues that an IT professional may encounter and the negative consequences of these issues.
4. Describe the steps you can take to maintain an accurate and positive digital identity, and discuss other important elements of digital netiquette.
5. Most schools and companies have acceptable use policies in place for students and employees to follow. In your own words, describe what an acceptable use policy is, and provide three examples of items that you might see on a policy.
In my opinion, digital content ownership is an important issue that requires careful consideration and respect for intellectual property rights. While it is important to share information and ideas freely, it is also important to respect the rights of content creators and to ensure that they are fairly compensated for their work.
What is digital content ownership?One way to balance the need for sharing and protecting intellectual property is to use Creative Commons licenses, which allow creators to specify the terms under which their work can be used and shared. Creative Commons licenses provide a range of options for creators to choose from, depending on their preferences and goals.
Another way to share information and support the creation and distribution of open-source software is to contribute to open-source projects and communities.
Finally, material that has become part of the public domain can be used and shared freely, as it is no longer protected by copyright. Material enters the public domain when the copyright expires, or when it is donated or dedicated to the public domain by the creator.
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the ________ html5 element is used to contain tangential or supplemental content.
The command that is added to the CSS in the preceding example in order for it to work with HTML5 components is shown in the attached image.
Here are the Tags (Elements): An isolated section of a document, such as a blog entry or another, is referred to as a "article." A paragraph or content that is considered to be only loosely or tangentially related to the rest of the page is referred to as an "aside." Uses JavaScript HTML5? Although JavaScript is a known essential component of HTML5, HTML5 is known to be one of the elements that is frequently utilized to create the fundamental structure and display content in the WWW. Therefore, the command that is included in the above CSS is presented in the image attached in order for CSS to work with HTML5 elements.
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Cyber Security Case Study
THE CASE SCENARIO
The victim: A bank with 400 networked windows 100 in a central office, with another 300 in a branch offices. Upon arrival of the incident response team, we identify that the client had no security security protection in place. The network administrators had no clue has to what is going on in the network, no security tool and the perimeter had no IPS/IDS system in place.
All the organization’s user systems are Windows 7 and Windows 10. Employees are using using Windows mail systems which operates on Office 365 and MS Outlook. Cyber Security team identified that the infection started with a phishing email.
THE MALWARE
The malware was identified has ETEY, specifically a newer variant that resisted efforts by utility programs such as Norton Anti-Virus to remove it. The bank admin also checked the registry settings as described by Malwarebytes, hoping to isolate the exact nature of the threat, but had no luck. ETEY has a nasty habit of deleting key files in its wake in order to confound attempts to stop it.
The bank decided to restart the server and see how things went. While the server was down, though, the firm had to write down new transactions on little slips of paper. It was chaos.
Each infected folder contained files: # DecryptReadMefile.txt. It encrypted any file on the target extension list, giving it a random filename with the .ETEY extension.
The malware infected all PCs at the central office and all the systems at branch offices. The damage to these infected machine was not serious since they could be reimaged. The 10 servers hosting critical banking information and databases was a big issue, since the bank admin found out the backups has been failing: the log files (.log) were all encrypted, config files, as well as group setting files.
THE DEMAND
The # DecryptReadMe file contained a message asking for 150 Bitcoins (about $1,734,000) to restore back the organization systems and data, including details on how to make payment. The bank's management decided that they have no other avenue but to pay the amount.
CyberSecurity experts first tried to recover files from the physical servers but had no luck, due most of the flies where corrupted. The team proceed with negotiation, and was able to bring down the negotiated amount to 300 bitcoins.
DISCUSS:
a) Identify the cause of the security issue above.
b) What are some advice you could offer to the firm that could have taken to prevent this incident?
c) Explain how is your business expose to this kind of attack.
d) Discuss ways on how are you going to reduce the risk.
a) The cause of the security issue above is a phishing email that led to the infection of the malware ETEY on the bank's network. The malware was able to spread throughout the network, encrypting files and demanding a ransom for their restoration.
b) Some advice that could have been offered to the firm to prevent this incident include:
Implementing a robust email filtering system to prevent phishing emails from reaching employee inboxesProviding employee training on how to identify and avoid phishing emailsImplementing a firewall and intrusion detection/prevention system (IDS/IPS) at the perimeter of the networkc) Businesses may be exposed to this kind of attack if they have inadequate email filtering, employee training, and security systems in place. Additionally, lack of regular software and systems updates, and poor backup systems can also increase the risk of a successful attack.
d) To reduce the risk of a similar attack, businesses should take a proactive approach to cybersecurity by implementing best practices such as:
Implementing a robust email filtering systemProviding employee training on how to identify and avoid phishing emailsWhat is Cyber Security case about?The case scenario describes a cyber attack on a bank where the malware ETEY was able to infect the entire network, encrypt files and demand a ransom for their restoration. The cause of the attack was a phishing email that was able to bypass the bank's security measures.
The bank had no security protection in place, no security tools, and no intrusion detection/prevention system (IDS/IPS) at the perimeter of the network. This made it easy for the malware to spread throughout the network and cause significant damage.
So, The bank's servers hosting critical banking information and databases were also infected, and backups were found to be failing, further exacerbating the situation.
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code that has already been tested and used in a variety of situations is said to be ____.
Code that has already been tested and used in a variety of situations is said to be reliable.
With an example, define code in programming.
A computer programmer's text created in a programming language is referred to as code (a contraction of source code). C, C#, C++, Java, Perl, and PHP are a few examples of programming languages.
Text created in markup or styling languages, such as HTML and CSS, is also referred to as code in less formal contexts (Cascading Style Sheets).
Why is a code referred to?
The term "code" technically has no definition, but doctors frequently use it as slang to describe a patient experiencing a cardiopulmonary arrest in a hospital or clinic, necessitating the rapid arrival of a team of medical professionals (also known as a code team) to start emergency resuscitative measures.
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The constraint assigns a value to an attribute when a new row is added to a table.
a. CHECK
b. UNIQUE
c. NOT NULL
d. DEFAULT
The correct answer is d. DEFAULT constraint assigns a value to an attribute when a new row is added to a table.
A column's default value is set using the DEFAULT constraint. If no alternative value is supplied, the default value will be appended to all new records. A column can have a fixed default value by using the DEFAULT constraint. If no additional value is specified, the value will be appended to all new records. Dropping the default constraint only applies to new rows; it has no effect on the data already present in the table. In the event that no value is given when database insertion is taking place, the default constraint is used to set the value of the attributes. By doing this, it is made sure that the data is preserved without ambiguity and retains its meaning.
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1. why can the same link-local address, fe80::1, be assigned to both ethernet interfaces on r1?
The correct answer is Link Local can the same link-local address, fe80::1, be assigned to both ethernet interfaces on r1.
A different network is represented by each router interface. You can use the same link-local address on both interfaces since packets with a link-local address never leave the local network. - An IPv6 address known as Link Local is used to distinguish hosts on a single network link. A link local address, which has the prefix FE80 and may only be used for local network communication, is not routable. One local link address alone is supported. Link-local addresses are only permitted in the fe80:: block. Packets transmitted solely to physically linked devices utilise link local addresses (not routed). The most common application of link-local addresses is the network discovery protocol (NDP) (NDP sorta replaces ARP and DHCP in IPv6).
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