The new job time after improving input by 50%, computation by 10%, and output by 20% is 63 seconds, a 21.25% improvement from the original 80 seconds.
Let's call the time to read in data T1, the time to complete the computational task T2, and the time to print the results T3. Then, the original job time was T1 + T2 + T3 = 10 + 20 + 50 = 80 seconds.
After improving the input by 50%, T1 becomes 10 / 2 = 5 seconds.
After improving the computation task by 10%, T2 becomes 20 * (1 - 0.10) = 18 seconds.
After improving the output by 20%, T3 becomes 50 * (1 - 0.20) = 40 seconds.
The new job time is T1 + T2 + T3 = 5 + 18 + 40 = 63 seconds. So the new job time is reduced to 63 seconds, which is a 21.25% improvement from the original job time of 80 seconds.
It's important to note that the improvement percentages are relative, so improving an operation by a certain percentage will result in a smaller absolute improvement as the time for that operation decreases. In this example, although the improvements in input and output times were both by 50% and 20% respectively, the absolute improvement in time for each operation was smaller as the time for each operation was reduced. This highlights the importance of continuously re-evaluating and optimizing all parts of a process to achieve the greatest overall improvement.
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how are the user push-buttons wired on the zybo z7-10 board (i.e. what pins on the fpga do each of them correspond to and are the signals pulled up or down)? you will have to consult the master xdc file for this information.
This lab gives us an excellent introduction to Vivado and clarifies the many file types, syntax, and even positive edge and reset signals in our code that we may use in projects.
Describe Zybo Z7.The Xilinx ZynqTM-7000 family is the foundation of the ready-to-use embedded software and digital circuit development board known as the Zybo Z7. A dual-core ARM Cortex-A9 processor and Xilinx 7-series Field Programmable Gate Array (FPGA) logic are tightly integrated in the Zynq-7000.
What is the Zybo clock frequency?The clocks for each of the PS subsystems are produced by the Zynq PS CLK input, which receives a 50 MHz clock from the ZYBO. The processor may function at a maximum frequency of 650 MHz thanks to the 50 MHz input, and the DDR3.
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diagrams that identify zones within the building, the sequence of device connection, end-of-line devices, and the conductor counts for each cabling run are known as?
For the purpose of monitoring the integrity of loudspeaker lines, which is a need for emergency sound systems, this end-of-line device is a dependable solution.
What Makes the end-of-line Resistor so Important?
An EOL or End of Line Resistor is used to complete a circuit. The circuit needs to be completed to pass the continuity-testing electricity across all the wires of the Class A or Class B circuit. On the panel, a problem is visible if the electricity quits.
The end-of-line resistor is the final component and is located at the end of the loop to enable the panel's inbuilt ohmmeter to verify the continuity of the wires (supervise the wires).
The ability to escape a fire is made possible by a properly installed fire alarm system, but there is a drawback. If, at the control panel or somewhere else in the building, something is wrong with the fire alarm system, the fire alarm system might not work.
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if you want to sort records in the query results first by city and then by lastname, where should you insert the lastname field in the query design grid?
You may sort records in the query design grid by adding a sort order to the fields you want to use. initial sorting records
In a query design grid, do the following steps to sort the records:
A design view query should be opened.Decide whatever field, such as city, you wish to sort by first.To sort a field, right-click on it and choose either "Sort Ascending" or "Sort Descending."Choose the field, such as last name, that you wish to order by second.To sort a field, right-click on it and choose either "Sort Ascending" or "Sort Descending."To see the results sorted by the chosen fields, run the query.Note: To make sure the right field is chosen for sorting if you have many fields with the same name, you might need to mention the table name before the field name.
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when formatting a large worksheet to be printed, which two excel commands help to make the worksheet attractive and easier to read?
When formatting a large worksheet in Microsoft Excel to be printed, two commands that can help make the worksheet attractive and easier to read are "Page Layout" and "Format as Table."
The "Page Layout" function gives users access to a number of options for modifying the printed worksheet's overall appearance, including options for setting margins, choosing a paper size, and specifying the print area. The "Page Layout" command can also be used to add a header or footer to the worksheet, which can contain crucial details like the page number, the date, or a corporate logo.It is simpler to visually differentiate distinct pieces of data when you quickly format a range of cells as a table using the "Format as Table" command. To make the worksheet easier to read, the table formatting contains choices for adding alternate row shading and header row formatting.
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a is an information system that enables users to retrieve data from the web by using keywords related to their topic of interest. a. data mart b. web server c. search engine
c. search engine is an information system that enables users to retrieve data from the web by using keywords related to their topic of interest.
What is Search engine?
A search engine is a software application designed to search for information on the World Wide Web. It allows users to enter keywords related to their topic of interest, and returns a list of results that are relevant to those keywords.
The results are typically organized in a manner that allows users to quickly assess the relevance of each result to their search. Search engines use algorithms to determine the relevance of web pages based on various factors, such as the frequency of keywords, the quality and relevance of content, and the popularity and authority of the website.
The goal of a search engine is to help users find the information they are looking for as quickly and efficiently as possible.
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true or false? a basic file system copy does not provide a bit-level copy and is therefore inadequate for forensic analysis. true
a precise bit-for-bit replication of data from an electronic device or related media, whose validity and integrity have been confirmed by a recognized algorithm.
How many bit stream images of the original evidence should be created?The bit-stream forensic image is made in a minimum of two copies. An improper shutdown of a networked computer may result in the destruction of evidence, harm to the network infrastructure, interruption of corporate operations, and significant legal culpability.
How can we be sure a bit stream copy is accurate?Lawyers and forensic examiners also want to ensure that a bitstream image used in a case is error-free and unaltered. Using a special identification known as a "hash value," forensic investigators verify information.
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question 18 external hard drives typically connect to a computer via an external port (such as a usb or port) or a wireless connection. a. thunderbolt b. bluetooth c. irda d. firewall
Typically, wireless connectivity or an external interface (such a USB port) are used to connect thunderbolt external hard drives to computers.
What two kinds of connections did you make to the external hard drive?In spite of their small, they have a lot of storage capacity for data, including documents, spreadsheets, presentations, music, and movies. Most external hard drives connect to computers through USB or eSATA, and many also get the power they require to operate from the computer's USB connector.
A computer can be connected to an external hard disk in what way?Through external SATA (eSATA), FireWire, or USB, external hard drives can be connected to a computer. Make sure the external drive's port is compatible with the computer's port by checking the specifications.
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The Synchronous Scrolling button is used when viewing documents side by side.Pilihan jawabanTrueFalse
"The Synchronous Scrolling button is used when viewing documents side by side" is a TRUE statement.
Depending on the program and how it is clicked or scrolled, the scroll button may have several uses. I've used the scroll button for these three frequently occurring tasks.
Pressing the button and then dragging the mouse to scroll up, down, and left and right is one of the features that I don't use very often. Personally, I don't use this very much because I find the program's own scroll bars or my own keyboard shortcuts to be faster and more dependable options.
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determine the capabilities of backus 701 speedcoding system, and compare them with those of a contemporary programmable hand calculator.
The interpreter-based speedcoding solution prioritized usability at the price of system resources. It included fictitious instructions for typical mathematical operations.
What properties does speedcoding have?Speedcoding is a floating point three-address system that significantly eases programming and program checking out. Speedcoding offers simple loading, quick printing, built-in validation, and input-output procedures that are convenient. Speedcoding thereby significantly lowers the cost of programming and testing.
What are the defenses and defenses of a typeless language?A typeless language has the advantage of flexibility, allowing every variable to hold values of any type. Due of how simple it is to make type errors and how difficult it is to have type checking catch them, the drawback is low reliability.
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The following routine removes the first half of the list passed as a parameter:
public static void removeFirstHalf(List<?> lst)
{
int theSize = lst. Size() /2;
for( inti =0; i < theSize; i++ )
lst. Remove(0);
}
(a) Why is theSize saved prior to entering the for loop?
(b) What is the running time of removeFirstHalf if lst is an ArrayList?
(c) What is the running time of removeFirstHalf if lst is a LinkedLIst?
(d) Does using an iterator make removeFirstHalf faster for either type of List?
The loop will be impacted if the remove call alters the list size after it enters the loop because it should utilize the correct list size after that.
It is feasible to create a function in Python's computational language that uses random. shuffle to create a list (lst). Create your own function to shuffle a list and return it without using random.shuffle(lst). Code creation: import arbitrary Defining shuffle(list): len = length (lst) in range(length) for I Change equals random.range (length - 1) shift += shift >= I If lst[i], lst[change] is equal to lst[change], lst[i], lstst = [1,2,3,4,5,6] in return shuffle(list) print ("Shuffled Numbers:",lst) ("Shuffled Numbers:",lst). As a result, when the beginning is eliminated, the subsequent part advances. In the case of a LinkedList, a dynamic structure, the running time for removefirsthalf is O (n). The time required to execute removefirsthalf if lst is an Arraylist is O (n2
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what are the suggestions related to the designing of navigation controls to prevent the user from making mistakes? each correct answer represents a complete solution. choose all that apply.
Preventing user error is the main consideration while creating navigation controls.
What elements must an interface designer take into account when creating it?Good design concepts must be taken into account while creating the user interface in detail. It doesn't matter what kind of user interface is being built; design principles like visibility, affordance, user shortcuts, feedback, closure, error messages, and reversal of actions are all crucial.
What are the top three things you'll think about while building an interface for the vision?The development, visability, and acceptability of three variables should all be taken into account when designing a successful user interface. Developmental variables facilitate visual communication.
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Which vpn tunnel style routes only certain types of traffic?
Which VPN tunnelling method routes just specific traffic types? A VPN split tunnel limits the communication types that can pass through the VPN tunnel, typically based on the destination IP address.
What does VPN tunnel mode entail?Data is encrypted and the original IP address information is also encrypted when sent over the Internet using tunnel mode. Transport mode or tunnel mode are the two operating modes for the Encapsulating Security Payload (ESP). The data and the IP header information are both encrypted in Tunnel Mode by ESP.
How many different kinds of tunnelling exist?In general use, there are three fundamental styles of tunnel construction: A cut-and-cover tunnel is one that is built in a small trench and subsequently covered. Bored tunnel built in place without removing the surrounding soil.
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Write a public static void method named shiftRight which takes a single parameter of an ArrayList of String objects. The method should shift every element of the parameter ArrayList one position to the right, and move the last element of the list into the first position. For example, if the parameter list passed to the method initially prints as [I, am, here], this would become [here, I, am] after the method is executed. Write your shiftRight method in the U7_L3_Activity_One class. Use the runner class to test your method but do not add a main method to your U7_L3_Activity_One. Java file or your code will not be scored correctly. Hint: think about which built in ArrayList methods can cause multiple elements to shift when they are called
To write a public static void method named shiftRight which takes a single parameter of an ArrayList of String objects, you can use the add (int index, E element) method.
This method allows you to insert an element at a given index, and when used in a loop, it can cause all the elements to shift one position to the right. Here is a sample code example of how it can be used:
public static void shiftRight(ArrayList<String> list) {
int lastIndex = list.size() - 1;
String lastElement = list.get(lastIndex);
for (int i = lastIndex; i > 0; i--) {
list.set(i, list.get(i - 1));
}
list.set(0, lastElement);
}
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How does a client’s use of a graphic (on printed material or on the Internet) change its file type?
Number a graphic file that has changed to a non graphic file cannot be previewed before signature analysis.
What is file signature?A file signature analysis is a process whereby file extensions and file headers are compared with a known database of file extensions and headers in an attempt to verify all files on the storage media and identify those that may be hidden.
Based on the given case where a file extension is changed to a non-graphic file type, such as fromjpg totxt, the file will not be displayed in the gallery view before a signature analysis.
Therefore, Number a graphic file that has changed to a nongraphic file cannot be previewed before signature analysis.
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What type of SaaS gallery applications support Microsoft Azure Active Directory automatic provisioning?
Dropbox, Salesforce, ServiceNow, are type of SaaS gallery applications support Microsoft Azure Active Directory automatic provisioning.
Provisioning an Azure AD user into SaaS applications like Dropbox, Salesforce, and Servicenow is one common scenario. Users can be added to applications hosted on-premises or in a virtual machine using Azure AD without having to open any firewalls.
What kind of SaaS gallery software does it support?The SaaS model, which lets users connect to and use cloud-based applications over the Internet, is used by the applications in the gallery. Email, calendaring, and office software (like Microsoft Office 365) are typical examples.
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which one of the followings are the key properties of object oriented paradigm? group of answer choices data abstraction information hiding encapsulation
The four essential concepts of OOP are inheritance, polymorphism, encapsulation, and abstraction. Classes and objects are also present.
Describe the object-oriented paradigm.Object-oriented programming (OOP) is described as a paradigm for programming (rather than a particular language) that is based on the idea of objects, or a collection of data contained in fields, and code, or procedures, as opposed to the typical logic-based approach.
What features define the object-oriented paradigm?characteristics of the object-oriented programming paradigm The emphasis is on qualities and functions rather than on the process. External functions cannot access some data. A function operates on an object's properties. Messaging is a feature that lets objects talk to one another. oop design should be done from the bottom up.
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you want to move an image from your title slide to the third slide in your presentation. what technique would you use to do this task?
To move an image from a title slide to the third slide in a presentation, you can use the "cut and paste" or "drag and drop" technique.
When you want to move an image from one slide to another in a presentation, you have the option of either cutting and pasting the image or dragging and dropping it.
To cut and paste the image, you need to follow these steps:
Select the image on the title slide by clicking on it.Right-click on the image and select "Cut" or use the keyboard shortcut "Ctrl + X."Go to the third slide where you want to paste the image.Use shortcut in the keyboard "Ctrl + V" or right-click and choose "Paste."To drag and drop the image, you need to follow these steps:
Select the image on the title slide by clicking on it.Click and hold the image.Drag the image to the third slide.Release the image to drop it in the desired location.Both techniques allow you to move the image from one slide to another, but the "cut and paste" technique is usually faster if you need to move an object between multiple slides, while the "drag and drop" technique is more intuitive and easier to use.
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Which of the following are the correct parts of at account?
The following are its components: a title for an account above the T's top horizontal line. Left is a debit side. Right on the credit side.
Which three accounting functions are there?The three primary purposes of accounting are to gather and maintain financial information about a company's operations, to provide data for management reports, financial statements, and strategic planning, and to create controls that ensure data is accurately recorded and processed.
What does "t account" mean?The T-shaped account, which shows credit balances visually on the right side and debit balances on the left, is a visual representation of accounting journal entries that a corporation records in its general ledger account and is shaped like the letter "T."
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MAC cannot be opened because it is from an unidentified developer.a. Trueb. False
False. MAC operating systems are designed to allow users to easily open apps from unidentified developers.
What is MAC?MAC stands for Media Access Control and is a type of networking protocol used to control access to a network. It is a unique identifier assigned to a network interface on a device, allowing it to be identified by other devices on the same network. MAC addresses are hard-coded into a device's network interface, which makes them difficult to change. MAC addresses are used for a variety of purposes, including authentication, filtering, and routing. They are also used to identify the device's manufacturer and can help to detect intrusions or malicious activity on a network.
To do this, users will just need to go to their System Preferences, Security & Privacy, and click the “Allow apps downloaded from: Anywhere” option.
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you are using two tables in your query: customers and orders. you want to view all of the orders each customer has placed. you must include the customer id field to display your information correctly. from which source should the customer id field be added to your query?
The customer id field is necessary to link the customer to their orders, so it should be added from the customers table.
The customer id field should be added from the customers table.The customer id field is necessary to properly link each order to the corresponding customer. Without this field, it would be impossible to accurately determine which orders belong to which customer. To ensure the accuracy of the query results, the customer id field should be added from the customers table. This allows the query to use the customer id to properly connect each order to the customer who placed it.
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what effect does white noise have on data communications
All forms of data and communications, including text, programs, photos, audio, and telemetry, can be affected by noise, which occurs in both digital and analog systems.
What is data communication?The exchange of data between two or more networked or connected devices is referred to as data communication.
These gadgets need to have the ability to transmit and receive data across a communication medium. Such gadgets include, for instance, laptops, mobile phones, and personal computers.
The smooth interchange of data between any two sites on the planet is the primary goal of data communication and networking.
Unwanted electrical or electromagnetic energy, or noise, lowers the signal and data quality.
Noise can have an impact on many types of data and communications, including text, programs, images, audio, and telemetry. This is true for both digital and analog systems.
Thus, this is the effect of white noise on data communications.
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explain what happens when a java program attempts to divide one integer by another. what happens to the fractional part of the calculation? how can you avoid that outcome?
Any fractional component of the calculation is lost when a Java programme tries to divide two integers (i.e. truncated). In this case, it can provide inaccurate results to assume that integer division rounds .
What takes place when an int is divided by an int in Java?Java makes use of integer division when dividing two integers. The outcome of integer division is also an integer. The result is not rounded to the nearest integer but is instead truncated (the fractional part is ignored).
In Java, what happens when you divide?Java performs integer division, which is essentially the same as conventional real division, but you discard the leftovers (or fraction). Consequently, 7/3 is 2 and the remaining is 1.
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a(n) is used to predict values and make classifications. group of answer choices data aggregator subscription neural network data swamp
Option D: Artificial neural networks are the data mining algorithm type used for classification that most closely resembles the biological neural networks in the human brain.
Computing systems called artificial neural networks are modelled after the biological neural networks seen in animal brains. Neural networks or neural nets are common names for these systems. An ANN's foundation is made up of a collection of interconnected units or nodes known as artificial neurons, which are loose replicas of the neurons in a biological brain. As a result, a computational model known as an artificial neural network (ANN) is made up of numerous processing elements that receive inputs and output outcomes in accordance with predetermined activation functions. Become familiar with artificial neural networks by reading. Artificial neural networks are the data mining algorithm type used for classification that most closely resembles the biological neural networks in the human brain.
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helping you to gain knowledge of the complexities of the real-world environment is one of the main functions of a(n) . constraint model database entity
A model's main function is to help one understand the complexities of the real-world environment.
Understanding human cognition and behavior in the "real world" is one of psychological science's most sought-after objectives. The "psychologist's laboratory" is an example of an experimental research setting, where research has typically been done. Psychology's laboratory studies have frequently been criticized for not allowing results to be generalized.
This dilemma is referred to as "real-world or the lab." Many scientists have advocated for experiments that have greater "ecological validity" in order to make the connection between the lab and the real world and to make findings more generalizable. However, researchers hardly ever define this term or explain how to increase ecological validity.
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A(n) _____'s main function is to help one understand the complexities of the real-world environment.
a. node b. entity
c. model d. database
what is microsoft security essentials designed to do?
Answer:
Well, it's essentially the old Windows Defender. Microsoft dropped it in Windows 8, so you can't use it in any Windows version past that.
Explanation:
The basic premise is that it would scan for malicious software like malware, spyware, trojan horses, ransomware and rootkits (which are pieces of software which grants the creator of the software access to your computer). It would monitor activities and constantly check for files that may be malicious - again, similar to Windows Defender.
It was introduced in Windows XP and dropped in Windows 8 - replaced by Windows Defender (I'll stop going on about that now.) - which does the same thing, just with updated databases and it's faster (sometimes).
what information is in the data payload of the ethernet frame? 1 point art message network interface ip datagram
The payload is then enclosed in a packet that also includes quality of service tags, time-to-live data, checksums, media access control address, and IP information.
What data does the Ethernet frame's data payload contain?A standard Ethernet frame's data payload can range in size from 46 to 1500 bytes. This holds all of the information that is really being communicated from higher layers, such as the IP, transport, and application layers.
What is the information contained in an Ethernet frame's data field?An Ethernet frame begins with a header, which includes information such as the source and destination MAC addresses. The actual data is located in the centre of the frame.
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question 5 a partition contains the data necessary to restore a hard drive back to its state at the time the computer was purchased and is designed to be used only if the computer malfunctions. a. malfunction b. troubleshooting c. recovery d. dual-boot
c. recovery partition contains the data necessary to restore a hard drive back to its state at the time the computer was purchased and is designed to be used only if the computer malfunctions.
What is Recovery partition?
A partition is a portion of a hard drive that contains a backup copy of the operating system and other important files necessary to restore the computer to its original state. It is often referred to as a recovery partition and its purpose is to provide a means of recovering the system in case of a malfunction or failure.
This partition is not intended for regular use and is separate from the main operating system partition. The recovery partition typically contains all the necessary software and drivers required to reinstall the operating system and restore the computer to its original state.
By using the recovery partition, users can avoid the need to reinstall the operating system from a separate installation media, which can be time-consuming and complicated.
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assume we have created a packet-switched internet. using the tcp/ip protocol suite, we need to transfer a huge file. what are the advantage and disadvantage of sending large packets?
The benefit is that routers that scan the destination address and forward each IP packet individually route the packet along the quickest path.
Why is utilizing huge packets advantageous?The computer industry stated that since most transmissions would need to span many packets due to the header, higher packet sizes would reduce the amount of wasted bandwidth in the header.
The benefits of TCP/IP are what?Since it supports cross-platform communication between heterogeneous networks, it is interoperable. The protocol suite is open-source. Since it is not owned by a certain institution, it is accessible to everyone and every company. A client-server architecture that is scalable underlies it.
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which of the following normal forms requires that the data model does not contain attributes that have repeating values for a single instance of an entity and that the data model leads to entities containing attributes that are dependent on the whole identifier?
Demands the absence of data model recurring groupings and multi-valued properties. An attribute with multiple values would have multiple values for that field in each row.
What normal form specifically states that an attribute value cannot be a collection of values or a repeating group?A relation in a relational database has a property called first normal form (1NF). Only when there are no attribute domains with relations as elements does a relation exist in first normal form. Or, to put it more casually, that no column in a table can have tables as values.
A table that doesn't include recurring groups or columns is in what normal form?If a table satisfies the following requirements, it is in first normal form (1NF): The information is kept in a two-dimensional table. Repeating groupings don't exist. Therefore, comprehending the characteristics of a repeated group of data is essential to understanding 1NF.
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configure a password for line console 0. set the password as secure0 on your switch? for packet tracer what command did you use to configure the password?
The password settings that you use, You can set or modify your Telnet password for packet tracer by using the command line argument vty 0 4 to enter a prompt.
In the event that the password is tech, what command should be used to set password protection for privileged mode?If an enable password is already set, the _enable secret [password] command overrides it and enables an encrypted password instead. The privileged mode now has a plain text password thanks to the _enable password [password] command.
In Cisco, what does line console 0 mean?It is possible to connect a switch or router through a medium console by using the command "line console 0". Only "line console 0" will be available if there is only one console port.
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