Which of the following statements are TRUE about unique() function? unique() removes duplicates based on all the columns in the argument. Usage of unique() should be avoided as far as possible. - Both of the above are true. - None of the above Which of the following line of code will always extract exactly one element stored in dat? - dat[1,2] - unique( dat) - unique( dat[,2]) - dat[1:3, - None of the above Which R code is used to permanently change the dataset dat? - unique( dat[ 2]) - order( dat ) - head(dat) - dat[1,2]<−5 - None of the above Assuming dat has 100 observations and five variables, which R code would have the effect of changing the original data from the dataset dat? - dat [1,2]≪−NA - dat[ lis.na(dat [,1]),1]<− NA - Both of the above are true. - None of the above

Answer:

The GUI.

Explanation:

Answer:

The GUI

Explanation:

GUI stands for Graphical User Interface

Behind the scenes, your computer is just working with a lot of 1s and 0s, and that wouldn't be very easy for us to operate.

The GUI means we can interact with our computer in a way that is easy for us to understand as humans. With the GUI every move of the mouse, click, key press (and so on) sends a command to the machine in a language that it understands, and shows us the result on screen in a way that we can understand. :) This cuts out a lot of work and means more people can use the technology we've developed without having to learn complicated commands to use our computers.

Answer:

Binary 01101010 = 106

Explanation:

Answer:139

Explanation:

brain

If a video conferencing application isn't working due to a domain name system (DNS) port error. Service record (SRV) is a resource record required for modification to fix the issue.

Service records (SRV records) are data records that specify DNS parameters such as the port numbers, servers, hostnames, priorities, and weights of defined or cataloged services servers, as well as their IP addresses.

The source of information and the search engine concerning the SRV record

Locating specific services that an application needs will hunt for an associated SRV record.

The ports and unique settings for a new email client come from a configured SRV; otherwise, the email client's parameters will be off.

Enlistment/appointment, duty locations, and assignments are only a few examples of the information that can be found in military personnel records, which are mostly administrative in nature. training, credentials, and output.

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VPN encryption scrambles the contents of your internet traffic in such a way that it can only be scrambled using the correct key. IPSec connections require a pre-shared key to exist on both the client and the server in order to encrypt and send traffic to each other. The exchange of this key presents an opportunity for an attacker to crack or capture the pre-shared key.

SSL VPNs don’t have this problem because they use public key cryptography to negotiate a handshake and securely exchange encryption keys. But TLS/SSL has a long list of its own vulnerabilities like Heartbleed. Some SSL VPNs allow untrusted, self-signed certificates and don’t verify clients. This is particularly common in “clientless” SSL VPN browser extensions. These VPNs that allow anyone to connect from any machine are vulnerable to man-in-the-middle (MITM) attacks. However, this is not the case with most native OpenVPN clients. SSL typically requires more frequent patches to keep up to date, for both the server and client.

In the end, strong security is more likely the result of skilled and mindful network administrators rather than choice of protocol. Firewall traversal. All in all, for VPN users who have both options, we recommend going for IKEv2/IPSec first, then turn to OpenVPN should any issues crop up. The speed at which IKEv2 is able to negotiate and establish connections will offer a more tangible quality-of-life improvement for the average, everyday VPN user while offering comparable security and speed, but it may not work under all circumstances. OpenVPN/SSL was until quite recently considered the best VPN combination for most users of consumer VPNs. OpenVPN, which uses the OpenSSL library for encryption and authentication, is reasonably fast, very secure, open source, and can traverse NAT firewalls. It can support either the UDP or TCP protocol. IKEv2/IPSec presents a new challenger to OpenVPN, improving on L2TP and other IPSec-based protocols with faster connections, more stability, and built-in support on most newer consumer devices.

SSL and IPSec both boast strong security pedigrees with comparable throughput speed, security, and ease of use for most customers of commercial VPN services.

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Answer: redundancy operations

Explanation:

Answer:By pressing the Control key and the “C” key

Explanation:

Hopefully it could help you

The  form of data cleaning and transformation is option  c. deleting columns or adding calculations to an Excel spreadsheet

Information cleaning and change include different strategies to get ready crude information for examination or encourage handling. Erasing superfluous columns or including calculations to an Exceed expectations spreadsheet are common activities taken amid the information cleaning and change handle.

By expelling unessential or excess columns, you'll be able streamline the dataset and center on the important data. Including calculations permits you to infer modern factors or perform information changes to upgrade examination.

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A program that the user to enter a city name, and then prints Oh! CITY is a cool spot as follows:

City_name = input("Please enter a name or type Nope to terminate the program: ")

while( user_name != "Nope" ):

print("Oh! CITY is a cool spot" , City name)

City name = input("Please enter a name or type Nope to terminate the program: ")

A computer program may be defined as a series or set of instructions in a programming language that are utilized by the computer to execute successfully.

The variable "City_name" is used to store the input of the user. He might input his name or "NOPE" to terminate. Then we used a while loop to check if the user input NOPE. Then, we print Oh! CITY is a cool spot for "users input".

Therefore, a program that the user to enter a city name, and then prints Oh! CITY is a cool spot is well-described above.

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Didn't expect that didn't you.

The recursive factorial method has a computational complexity of O(n), which means that it grows linearly with the size of the input. This is because each recursive call of the factorial function multiplies the current value by one less than the current value until it reaches 1

so it takes n multiplications to compute the factorial of n. In other words, the number of operations required to compute the factorial of n using the recursive method is proportional to n. This makes the recursive method less efficient than the iterative method for computing factorials, which has a computational complexity of O(1) because it only requires a fixed number of operations (n multiplications) regardless of the input size. However, the recursive method is often more intuitive and easier to understand, especially for small inputs.

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Variables that are used in multiple event handler methods within a form are usually declared in the "form-level scope".

In computer programming, scope refers to the area of code where a variable may be accessed. A variable that is created inside a block of code, such as within a loop or a function, is known as a "local variable," and it may only be used within that block.

A variable that is declared in a larger area, such as in a method or form, is known as a "global variable," and it may be accessed from anywhere within that area.

The variables that are used in multiple event handler methods within a form are usually declared in the "form-level scope," also known as the "class-level scope." The variables declared in this scope are only accessible within the class, but they may be accessed from any of the methods within that class.

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The anti-virus updates contain the latest files needed to combat new viruses and protect your computer. Antivirus software provides signature files which are very important since they contain the latest lists of known viruses. These signature files are released daily, and sometimes even more often

The four Creative Commons conditions include Attribution, ShareAlike,

NonCommerical, and NoDerivatives is a true statement.

An worldwide active non-profit organization called Creative Commons (CC) offers free licenses for usage by creators when making their work accessible to the general public.

Note that in term of Attribution, All Creative Commons licenses mandate that anybody who makes use of your work in any form give you credit in the manner you specify, but not in a way that implies your endorsement of them or their usage. They need your permission before using your work without giving you credit or for promotional purposes.

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Answer:

It will be add()

Answer:

A

Explanation:

Answer:

a

Explanation:

none

One common configuration file that often includes these parameters is

The configuration file that contains parameters for the default location for e-mail, password expiration information, minimum password length, and the range of) available for use varies depending on the operating system or software being used.

However, one common configuration file that often includes these parameters is the

The file is a system configuration file found in Unix-like operating systems, such as Linux. It is used by the login process to set default values and policies for user accounts.

This file allows system administrators to define various parameters related to user authentication and account management.

It's important to note that the specific configuration file and parameter names may vary depending on the operating system or software being used.

Therefore, it is recommended to consult the documentation or specific resources for the particular system you are working with to determine the exact location and names of the configuration file and parameters in question.

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The configuration file that contains the parameters mentioned is typically "/etc/login in Unix-like systems.

The  file is a arrangement file in the direction of Unix-like wholes, such as Linux. It is secondhand for one login help to outline various scheme-expansive limits had connection with user login and report administration.

Therefore, the "MAILDIR" parameter in the  file sets the default point for consumer email depository. It specifies the guide way place consumer-specific mailboxes or mail spools are situated.

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Answer:

Posting files to a web-based shared site is a productivity strategy for collaboration. C.

Explanation:

Posting files to a web-based shared site. Explanation: Collaborative software or groupware is application programming intended to help individuals taking a shot at a typical errand to achieve their objectives.

Answer: Posting Files to a web-based shared site.

Explanation:

10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  10  

Your answer is letter A. 2.

Explanation: I have personal experience.

Answer:

Segment.

Explanation:

In Computer Networking, encapsulation can be defined as the process of adding a header to a data unit received by a lower layer protocol from a higher layer protocol during data transmission. This ultimately implies that, the header (segment) of a higher layer protocol such as an application layer, is the data of a lower layer such as a transportation layer in the Transmission Control Protocol and Internet Protocol (TCP/IP).

The TCP/IP model comprises of four (4) layers;

1. Application layer: this is the fourth layer of the TCP/IP model. Here, the data unit is encapsulated into segments and sent to the transport layer.

2. Transport layer (layer 3): it receives the segment and encapsulates it into packets and sends to the internet layer.

3. Internet layer (layer 2): packets are encapsulated into frames.

4. Network layer (layer 1): frames are then converted into bits and sent across the network (LAN).

Hence, the data unit encapsulated inside a packet is known as segment, which is typically referred to as packet segmentation.

Additionally, these data, segments, packets, frames and bits transmitted across various layers are known as protocol data units (PDUs).

To use a mobile device with the Android OS, you need a G0ogle account.

A G0ogle account allows you to access various services such as G0ogle Play Store, G0ogle Drive, and G0ogle Photos.

By signing in with a G0ogle account, you can synchronize your contacts, calendar, and other data across different devices and platforms. This also enables you to download and update apps, as well as store and manage files on G0ogle Drive.

Moreover, your G0ogle account can be used for backup and recovery purposes, ensuring the security and availability of your personal information. Overall, a G0ogle account is essential for a seamless Android experience.

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Answer:

Sticker sheets are useful in a design system because they enable designers to quickly and easily copy and paste components into new designs, reducing the amount of time needed to create designs and avoiding the need for rework.

Explanation:

They enable designers to produce reusable visual components that are consistent with the brand, enhancing user experience all around.

A technical data file (TDS) is just a document that comes with a product and contains a variety of details about the item. Technical data sheets frequently feature information about the product's composition, usage guidelines, technical specifications, typical applications, cautions, and product images.

Paper each is typically rectangular in appearance. especially: equipment specifically engineered for printing. (2) : a mounted plant specimen on a relatively thin, rectangular sheet of paper. a 100,000 sheet important to the advancement.

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According to the statement, Proportional spacing replaced monospacing.

A monospaced font is one in which each letter and character takes up the same amount of horizontal space. It is also known as a fixed-pitch, fixed-width, or non-proportional font. Variable-width fonts, in contrast, feature letters and spacing that are all the same width.

Practicality: On all screen sizes, monospaced typefaces are exceptionally simple to read. This means that your clients can quickly and easily locate what they're looking for on any device, greatly enhancing the user experience. Your users may become clients more frequently as a result.

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The classification of networks based on scale, and calculating the availability of a telephone channel based on bandwidth and signal-to-noise ratio.

The network edge refers to the devices and entities that reside at the boundary of a network, such as end-user devices like laptops, smartphones, and IoT devices, as well as servers, routers, and switches that provide connectivity to the network.

Network software refers to software applications that facilitate communication and data exchange over a network, including protocols, network operating systems, firewalls, intrusion detection systems, and other network management tools.

A service is a specific function or capability that is provided to users over a network, such as email, file sharing, or video conferencing. A protocol, on the other hand, is a set of rules and procedures that govern the exchange of data and communication between devices on a network. Protocols enable the delivery of network services by ensuring that data is transmitted reliably and efficiently.

Networks can be classified based on their scale into the following categories:

Personal Area Network (PAN): A network that covers a small area, typically used for communication between personal devices like smartphones, tablets, and laptops.

Local Area Network (LAN): A network that covers a small geographical area like an office, building, or campus, and is typically used for connecting devices like computers, printers, and servers.

Metropolitan Area Network (MAN): A network that covers a larger geographic area like a city or a town, and is typically used to connect multiple LANs or other networks.

Wide Area Network (WAN): A network that covers a large geographical area like a country, a continent, or the entire world, and is typically used for connecting multiple LANs or MANs over long distances.

The Telephone has bandwidth W = 3100 Hz, Rate S/B = 20 dB. Calculate the availability of telephone channel is: C = ?

The availability of a telephone channel can be calculated using the following formula:

C = (S/N) - (B/W)

Where S/N is the signal-to-noise ratio, B is the channel bandwidth, and W is the signal bandwidth.

Since the signal-to-noise ratio (S/N) is not given, we cannot calculate the availability of the telephone channel. The value of S/N depends on the quality of the telephone line and the level of noise and interference present in the channel.

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A DNS attack which would only impact a single user is: DNS poisoning attack.

DNS is an acronym for domain name system and it can be defined as a naming database in which internet domain names (website URLs) are stored and translated into their respective internet protocol (IP) address.

This ultimately implies that, a Domain Name System (DNS) is used to connect a uniform resource locator (URL) or a web address with their internet protocol (IP) address.

In Cybersecurity, there are different types of DNS attacks and these include:

DNS poisoning attack is a special type of Domain Name System (DNS) attack that is designed to only impact or affect a single user.

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Answer:

D. 1990's

Explanation:

Answer:

Android Debug Bridge (adb) is a versatile command-line tool that lets you communicate with a device. The adb command facilitates a variety of device actions, such as installing and debugging apps, and it provides access to a Unix shell that you can use to run a variety of commands on a device.

Explanation:

In the field of machine learning, training set and validation set are two important concepts. Both sets are used to evaluate the performance of a machine learning model. The following explains the importance of training set and validation set in machine learning.

Yes, we should strive for the highest possible accuracy with the training set. It is important to achieve the highest possible accuracy with the training set because the model learns from this set. The training set is used to train the model, so it is important that the model learns the correct patterns and trends in the data. Achieving the highest possible accuracy with the training set ensures that the model learns the correct patterns and trends in the data and can then generalize well on new, unseen data.

When it comes to the validation set, we should not strive for the highest possible accuracy. The purpose of the validation set is to evaluate the performance of the model on new, unseen data. The validation set is used to estimate the performance of the model on new data, so it is important that the performance on the validation set is an accurate reflection of the performance on new data. If we strive for the highest possible accuracy on the validation set, we risk overfitting the model to the validation set, which can lead to poor performance on new data. Therefore, we should aim for a good balance between performance on the training set and performance on the validation set.

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