<span>The statement that P2P networks are most commonly used in home networks is true.
</span>P2P stands for peer-to-peer communication network. It is an example of local administration. <span> Two or more PCs share files and access to devices such as printers without requiring a separate server computer or server software with P2P type of network.</span>
Answer:
if and and not and or ans all
Boolean operators are like AND,or,not,and not .
they are <span>used as conjunctions to combine or exclude keywords in a search, resulting in more focused and productive results.</span>
Answer:
b. & Puihaha
Explanation:
PHP variables are supposed to start with a $ sign.
Other rules followed by PHP variables are:
Starting character in variable name (after $) must be letter or _.
Other characters in variable names can be letters,numbers or _.
a. $_Puihaha
c. $Pui_haha
d. $Puihaha
satisfy these rules.
Whereas , b. & Puihaha does not satisfy as it starts with '&'. Moreover it also contains an invalid space character in the variable.