Answer:
:)
Explanation:
The Windows operating system (Windows OS) refers to a family of operating systems developed by Microsoft Corporation. We look at the history of Windows OS from 1985 to present day.
The Windows operating system (Windows OS) for desktop PCs is more formally called Microsoft Windows and is actually a family of operating systems for personal computers. Windows has traditionally dominated the personal computer world, running, by some estimates, more than 75 percent of all personal computers. Beginning in the early 2000s, Windows dominance has lessened with the growth of the Linux and Mac operating systems.
Windows provides a graphical user interface (GUI), virtual memory management, multitasking, and support for many peripheral devices. In addition to Windows operating systems for personal computers, Microsoft also offers operating systems for servers and mobile devices.
Windows is also the foundation for the Microsoft Office productivity suite. Introduced in 1990 as a Windows-only family of applications for desktop computers, Office has grown to become the world’s most widely used productivity suite, with windowscentral.com reporting an estimated 1.2 billion + user worldwide as of 2016.
In the certificate authority trust model known as a hierarchy, where does trust start?
In the certificate authority trust model known as a hierarchy, the trust start from Root CA.
What does a certificate authority do?A certificate authority (CA) is known to be a kind of a trusted body that is known to often issues Secure Sockets Layer (SSL) certificates.
Note that In the certificate authority trust model known as a hierarchy, the trust start from Root CA as that is its beginning point.
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After the execution of the following statement, the variable sold will reference the numeric literal value as (n) ________ data type. sold = 256.752
The variable sold will reference the numeric literal value as float data type.
What is float Data Type?The float data type is known to be a kind of data whose Size Description is one that falls from 4 bytes and it is one that saves fractional numbers.
Note that it can save from 6 to 7 decimal digits and as such, The variable sold will reference the numeric literal value as float data type.
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ext in a worksheet that identifies a title and subtitle, row and column headings, and other descriptive information is called
The text in a worksheet that identifies a title and subtitle, row and column headings is known as label.
What are the headings and titles in a spreadsheet?Labels are known to be the to text that is said to be typed into any given cells of a spreadsheet.
Note that Labels do not have any numeric value and is one that is not used in a formula or function.
Therefore, The text in a worksheet that identifies a title and subtitle, row and column headings is known as label.
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Before a computer can use a router, what configuration information must it be provided?
Before a computer can use a router, the default gateway must be configured.
What are routers?Routers are device that connects two or more packet-switched networks or subnetworks.
A router receives and sends data on computer networks.
The router route the IP addresses of this computer over the internet for effective communication.
The default gateway allows for devices in one network to communicate with devices in another network.
Therefore, the default gateway must be configured before a computer can use a router.
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There are 4 servers in the checkout area. The interarrival time of customers is 2 minutes (convert to rate/hr). The processing time of a server is 5 minutes/customer (convert to rate/hr). What is the overall utilization of the total server capacity
Answer:
Explanation:
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Restore points are created at regular intervals and just before you install software or hardware by what utility?
System Protection is a utility that create restore points at regular intervals and just before an end user installs a software or hardware.
What is System Protection?System Protection can be defined as a utility that is designed and developed to create restore points on a computer system at regular intervals, especially before an end user installs a software or hardware.
This ultimately implies that, System Protection is a utility that create restore points at regular intervals and just before an end user installs a software or hardware.
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Vani is trying to connect a microphone to her laptop. What are the two way she can connect the microphone?
list of history of generation computer?
Which feature is a good conferencing tool to use with others who are located elsewhere in your city, or even in another country?
A feature which is a good conferencing tool to use with other people who are located elsewhere or even in a different location is known as video communications.
What is communication?Communication refers to a process which involves the transfer of information from one person (sender) to another (receiver), especially through the use of semiotics, symbols, signs and network channel.
In this context, video communications is a feature which is a good conferencing tool to use with other people who are located elsewhere or even in a different location because it provides an image of the person in real-time.
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Which of the following creates a security concern by using AutoRun to automatically launch malware?
Answer:
USB device
Explanation:
AutoRun automatically launches malicious software as soon as you insert a USB device
what types of physical drives does windows disable defragmenting, but provides another method of optimization?
The type of physical drives does windows disable defragmenting, but provides another method of optimization is known as windows.
What is windows?It should be noted that windows is a separate viewing area on a computer display screen in a system.
In this case, the type of physical drives does windows disable defragmenting, but provides another method of optimization is known as windows.
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Which of the following terms refers to the area of the hard drive used for virtual memory?
A. virtual file
B. data file
C. swap file
D. volatile file
Answer: C. Swap File
Explanation: Swap files provide some space for programs for the computer and virtual memory.
The term that refers to the area of the hard drive used for virtual memory is a swap file. The correct option is c.
What is virtual memory?
Operating systems use virtual memory, a different set of memory addresses, along with the hardware reserve to increase the total number of addresses (actual memory plus virtual memory). The virtual addresses are changed into actual memory addresses when the application is really run.
A swap file is a hard drive space that serves as a computer's virtual memory expansion (RAM). A computer can use more memory than what is actually installed in it by employing a swap file.
In order to save space, data from RAM is "swapped" onto a file or area on the hard drive. Data is switched back and forth from the RAM to the swap file as you switch between the apps.
Therefore, the correct option is c. swap file.
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Access passwords (or pins) and device encryption for devices are:
Access passwords (pins) and encryption for devices are recommended for all devices, especially for portable ones because they can easily be lost or stolen.
What is a password?A password can be defined as a string of characters, phrase or word that is designed and developed to distinguish an unauthorized user from an authorized user.
Additionally, an encryption is used to conceal and secure a digital data, so as to make it hidden to unauthorized user.
In conclusion, access passwords (pins) and encryption for devices are recommended for all devices, especially for portable ones because they can easily be lost or stolen.
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what causes the hidden node problem in a wireless local area network (wlan)?
The causes is if a client (or node) can receive signals from an access point (AP), but there is hindrance that prevents the client from getting signals from the other clients that are linked to the network.
What is hidden node problem in wireless network?The hidden node problem is known to often takes place if two transmitting terminals side by side transmit data to a receiving terminal between them, and there is hinderance between the two sets of transmitted radio waves.
Note that The causes is if a client (or node) can receive signals from an access point (AP), but there is hindrance that prevents the client from getting signals from the other clients that are linked to the network.
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The user can close all the programs if he closes the open virtual desktop true false
The user cannot close all the programs if he closes the open virtual desktop.
What are virtual desktops?A virtual desktop is a computer operating system that does not run directly on the endpoint hardware from which a user accesses it. The desktop environment is separated from the physical device used to access it.
I call it a false desktop.
It is use to separate your work activities.
Therefore, the user cannot close all the programs if he closes the open virtual desktop.
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When passing a list of parameters to a stored procedure by name, you can omit optional parameters by:
When passing a list of parameters to a stored procedure by name, you can omit optional parameters by omitting the parameter name and value from the list.
What is optional parameter?It should be noted that optional parameter simply means a method that doesn't force pass arguments at calling time.
In this case, when passing a list of parameters to a stored procedure by name, you can omit optional parameters by omitting the parameter name and value from the list.
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identifying the source of owners of online resources
Answer:
To find the source of owners of online resources, you can click on the lock button on the search tab or relocate to the bottom of the resources page to find the sources of owners/authors of online resources. Hope it helps!
QUESTION 9 OF 100
What does it means when you see a sign with an "X" and two
letters "R" sign posted on the roadside?
Answer:
it means go sleep on ur bed
jk
Answer:
the sign means "railroad"
Explanation:
what is the minimum number of load balancers needed to configure active/active load balancing?
Answer:
2
Explanation:
The primary and secondary machines should both be actively handling connections to your virtual servers in order for active/active to entail having two load balancing appliances running concurrently. The second interpretation of active/active has to do with ones back end servers, which are all running and accepting connections behind the virtual service. This makes use of all of your available computing power for accepting connections.
The minimum number of load balancers needed to configure active/active load balancing is 2.
What are load balancers?Load balancing is known to be a key networking solution that is often employed to share traffic across multiple servers in the case of server farm.
Note that The minimum number of load balancers needed to configure active/active load balancing is 2.
See full question below
What is the minimum number of load balancers needed to configure active/active load balancing?
- 2
- 4
- 1
- 3
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in a relational database application, a(n) ________ key is used to link one table with another.
In a relational database application, a foreign key is used to link one table with another.
What is a foreign key?In database management system (DBMS), a foreign key can be defined as a column whose value provides a link between the data that are stored in a table or relational database.
This ultimately implies that, a foreign key is used to link one table with another in a relational database application.
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let the value of the variable x be 2, the value of the variable y be 2, and the value of the variable r be 1. which of the following code segments can be used to draw the figure?
To draw the figure, follow the steps:
drawCircle(x, y, r)drawCircle(x, y + 3, r)drawCircle(x + 3, y, r)drawCircle(x + 3, y + 3, r)What is the code segment?A text segment is known to be a code segment that is said to be part of the sections of a program in an object file or in memory, that has executable instructions.
Note that a code segment can be seen as text which is said to be a part of an object file of the program's virtual address system that has a kind of executable instructions.
Therefore, To draw the figure, follow the steps:
drawCircle(x, y, r)drawCircle(x, y + 3, r)drawCircle(x + 3, y, r)drawCircle(x + 3, y + 3, r)Learn more about code segments from
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Which feature on a cisco router permits the forwarding of traffic for which there is no specific route?
The feature on a cisco router permits the forwarding of traffic for which there is no specific route is a default static route.
What is a router?A router simply means a network that used to provide access to the internet of a private computer network.
Here, the feature on a cisco router permits the forwarding of traffic for which there is no specific route is a default static route.
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Which is not an advantage of replication of data in terms of directory services?
The statement which isn't an advantage of replication of data with respect to directory services is that it allows you to locally manage user accounts.
What is a directory service?A directory service is a software system designed and developed to store, organize and provide end users with a name and an access to directory information, so as to effectively and efficiently unify (synchronize) all network resources.
In this context, we can infer and logically deduce that the statement which isn't an advantage of replication of data with respect to directory services is that it allows you to locally manage user accounts.
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you have been using snmp on your network for monitoring and management. you are concerned about the security of this configuration. what should you do?
The thing that should be done is to implement version 3 of SNMP.
How to depict the information?In this situation, the person has been using snmp on your network for monitoring and management. you are concerned about the security of this configuration.
Therefore, since the person is concerned about the security of this configuration, the thing that should be done is to implement version 3 of SNMP.
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________ is malware that hijacks a user's computer and demands payment in return for giving back access.
Ransom malware that hijacks a user's computer and demands payment in return for giving back access.
What is Ransom malware?This is known to be a kind of malware that hinders users from gaining in or access to their system or personal files and it is one that often demands ransom payment so as to get access.
Therefore, Ransom malware that hijacks a user's computer and demands payment in return for giving back access.
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4. Ernesto works in a small office with five other people. What are two possible connection
issues Ernesto might encounter if the company uses a LAN?
LAN is the networking device and channel that interconnects the local area systems. If the company uses LAN, then issues with speed and connectivity will occur.
What is LAN?
The local area network connects the computers of small and local regions confined to small geographical areas and is seen in the schools, offices, and residences.
If LAN is used between more people then the internet speed and connectivity will be affected as there will be redundancy in the data packet transfer speed.
Therefore, the speed and connectivity will be affected.
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An error in a program that involves a violation of language rules will be detected at
An error in a program that involves a violation of language (syntax) rules will be detected at compile time.
What is a compiler?A compiler refers to a software program that is designed and developed to translate the entire source code of program at once, so as to produce object code.
Thus, a compiler translates a software program that is written in a high-level language into low-level language (machine language).
In conclusion, we can deduce that an error in a software program that is associated with a violation of language (syntax) rules will be detected at compile time.
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Which network lets its users send and receive data as if their devices were connected to the private network even if they are not?
Answer:
Virtual Private Network, also known as VPN
Explanation:
A VPN connects a private network to a public network like the Internet. It lets users to send and receive data over public network systems as if their electronic systems were directly linked to the private network, benefits from the private network's capabilities, encryption, and administrative rules. A VPN is built by using dedicated connections, virtual tunneling technologies, or data encryption to construct a virtual point-to-point connectivity.
VPNs securely link a company's geographically disparate locations, forming one unified network. Individual Internet users also utilize VPN technology to safeguard their wireless activities, evade geo-restrictions and censorship, and link to proxy servers to secure their personal identity and location. VPN is a security mechanism that is best suited for individual user connections rather than secure connections of a variety of embedded devices.
A variable, usually a bool or an int, that signals when a condition exists is known as a(n):
A variable, usually a bool or an integer, that signals when a condition exists is a flag.
What is a variable?Generally, variables are containers for storing values.
A variable is a memory location where you store a value.
The value that you have stored may change in the future according to the specifications.
Therefore, a a variable usually a bool or an integer, that signals when a condition exists is a flag
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What command will prevent all unencrypted passwords from displaying in plain text in a configuration file?.
Answer:
The service password-encryption command
Explanation:
To prevent all configured passwords from appearing in plain text in configuration files, an administrator can execute the service password-encryption command. This command encrypts all configured passwords in the configuration file
