Answer:
Database Management System ppt DBMS
I don't know if that is right. Sorry if it's not.
Answer:
Check the explanation
Explanation:
Kindly check the attached image below to see the relation and the table names.
Answer:
Yes Juan has done enough to secure the network
Explanation:
All the computers are patched, have antivirus software, and have unneeded services shut down - this is done to prevent malware from residing in the system.
The network has a firewall with proxy server and IDS - the firewall limit access to network so as to limit intrusion into the network
The organization has a policy requiring passwords of ten characters in length, and must be changed every 90 days - this is done to prevent leakage of sensitive information in the network especially when there is a compromise in the network.
Answer:
Variable Where Declared
In Sub1 :
A Sub1
Y Sub1
Z Sub1
X Main
In Sub2:
A Sub2
B Sub2
Z Sub2
Y Sub1
X Main
In Sub3 :
A Sub3
X Sub3
W Sub3
Y Main
Z Main
Explanation:
In static-scoped languages with nested subprograms, the declaration of a variable is checked with the subprogram, if it is not found, it check within the parent method that called it, it continue until it find a declaration, if no declaration is found, it display an error.
In Sub1, a, y, z is declared there while the declaration of x is found in main.
In Sub2, a, b, z is declared, declaration of y is found in sub1 and declaration of x is found in main.
In Sub3, a, x, w is declared while the declaration of y, z is from the main.
