Several of eap protocols use encryption function, which creates a ciphertext from cleartext.
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Answer: d) B & C
Explanation: Variable substitution is the method through which the command substitution is done for the other form of command and regains its value or meaning.
This value substitution is done with the help of double quotes("...") which are inverted as well when a new form of command is to be introduced and it is known as back quotes. Other given options are incorrect because it is not determined in single quotes.Thus the correct option is option (d).
Answer:
The correct answer is "Router".
Explanation:
In networking, routers is one of the main hardware which is used to direct the data traffic on a LAN system.
The router also works as an interconnection system for two or more than two networks. Routers mostly work between the internet and computer which directs the data to its right path.
It works between the computer system in a premise to make the networking possible through a LAN by using switches for communication between two or more than two devices in a LAN across the internet.
Hence, the most appropriate answer is the router.
Most computers have three types of ports: serial, parallel, and USB. A serial port is a type of interface that connects a device to the system unit by transmitting data only one bit at a time. Serial ports usually connect devices that do not require fast data transmission rates, such as a mouse, keyboard, or modem.
