Answer:Password protection is like locking something in a safe-deposit. It means no one can get to the locked content without knowing the right combination. This method is used on separate documents, folders, and other data the computer's user may want to protect from other people who might have access to the device. The problem is, if someone interested in such content obtains the password or finds a way to open it without it, the content might be revealed despite the owner's efforts to keep it hidden. Unfortunately, there are a lot of ways hackers could obtain the password or hack in without it. For example, it could be obtained with the help of malware, or it might be guessed if the user chooses a weak password. Not to mention, when it comes to PDF documents, the passwords placed on them can be removed using the CMD window or specific.
Password encryption is a step up from password protection. The term can be a tad confusing because, in fact, you cannot encrypt the password itself. Instead, by setting up "password encryption" you are creating a password AND encrypting the contents of the file. In our example (see instructions below), the contents of the user's PDF document are not only password protected, but also encrypted. It is a process during which the content one wishes to keep secret is altered to make it unrecognizable. For example, if it is a text document, letters of each word might be shuffled with additional characters so the words would no longer make any sense. The reverse process is only available if the person who wants to decrypt this data can provide a specific decryption key or a password. In other words, even if the password is removed no one could read the hidden content as it still would need to be decrypted. Of course, it is important to realize you might be unable to retrieve it too if you lose the decryption key, aka, the password.
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Answer:
A web application is a computer program that utilizes web browsers and web technology to perform tasks over the Internet.
Explanation:
Web applications include online forms, shopping carts, word processors, spreadsheets, video and photo editing, file conversion e.t.c.
Answer:
zcat
Explanation:
Zcat is a command line utility for viewing the contents of a compressed file without literally uncompressing it. It expands a compressed file to standard output allowing you to have a look at its contents. In addition, zcat is identical to running gunzip -c command.
Answer:
Well, a binary search has to be ordered. So ima just say linear search..
Explanation:
I think its linear..
Answer:
The quality of service basically provide the sufficient quality in the IP network and it is also known as traffic shaping. As, it assign the priority to every device and the services in the network. It basically recognize the several types of the traffic moving in the network.
The implementation of quality of service is basically done in many network applications by reserve the bandwidth and specific path in the network system.
The various network device control the packet flow so that the network resources can easily accept packets in the network.
