<span>A _superkey___ is any key that uniquely identifies each row.</span>
Answer:
B. Change the router's default administrative password.
Explanation:
Whenever a user purchase a router for wireless network, a default password has been set for the device, which can be easily accessible to different users on the internet or that particular network. This will lead to unsecured that particular user in terms of hacking or stealing data or personnel information easily.
To make sure the security of customer on private network, the technician should change the router default password.
You can probably refresh or log out or something.
False.
The different between break and continue instruction is that with break you exit the loop, and with continue you skip to the next iteration.
So, for example, a loop like
for(i = 1; i <= 10; i++){
if(i <= 5){
print(i);
} else {
break;
}
}
will print 1,2,3,4,5, because when i=6 you will enter the else branch and you will exit the loop because of the break instruction.
On the other hand, a loop like
for(i = 1; i <= 10; i++){
if(i % 2 == 0){
print(i);
} else {
continue;
}
}
Will print 2,4,6,8,10, because if i is even you print it, and if i is odd you will simply skip to the next iteration.
