Answer:NULL Scan
Explanation:RFC 793(Request for comments) is a type of RFC command labeled with the number 793 which can operate with the TCP protocol.They are sort of document form which is from IETF( Internet Engineering Task Force ).
The null scan is scanning protocol used by legal as well as illegal hackers for working in the transfer control protocol architecture. It is used for the identification of the the ports and holes in TCP servers.they can also have the negative impact if used by the illegal hackers.
<em>Files and folders in UNIX can be removed using the</em> <u><em>rm command.</em></u>
<em>The answer is B. rm command </em>
<em>Hope this helps :)</em>
Answer:
Following are statement is given below
int k=1,total=0; // variable declaration
while(k<50) // iterating the while loop
{
total=total+k*k;// calculating the square
k=k+1; // increments the value of k by 1
}
Explanation:
Following are the description of Statement.
- Declared a variable "total" and "k" of the "integer " type initialized the total to 0 and "k" to 1.
- Iterating the while loop for less then 50 .In this loop, we calculating the sum of square of first 50 number in the "total" variable .
- After that increment the value of "k" variable by 1 to execute the loop less then 50 .
