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.
Answer:
ICMP.
Explanation:
Hackers might use ICMP for gain knowledge about current system addresses and specific procedures as part of a reconnaissance process.
ICMP is a failure informing system used by network protocols such as routers to produce warning to that of the source Address while network issues interrupt IP packet transmission.
Answer:
a) EDI Semantic Layer
Explanation:
EDI is an acronym for electronic data interchange and it can be defined as a form of communication between interconnected computer systems and software applications with respect to business informations in standard digital formats.
This ultimately implies that, electronic data interchange (EDI) involves the transfer of business informations such as financial transactions between the computer systems of various organizations such as banks, companies, governmental agencies, etc. Thus, it avails businesses the ability to create strategic communications using computer to computer links to effectively and efficiently exchange business informations electronically or in digital formats.
Hence, the EDI Semantic layer describes the business application that is driving electronic data interchange (EDI).
Answer:
O Click Save and it remains in the Draft folder for later edits.
Explanation:
I hope it's help
you have to be extremely talented to be a software engineer so I see that as way more complex and cool.
