The main idea of this article is that theme parks are conducting scientific research that is benefiting the community. Hope this helps!
Answer:
The answer is "Option B".
Explanation:
The Secured Goals are a part of your account, which is configured to just save your cash and also save it, and all the differences are good dividend savings accounts to shield this from accidental expenses. While opening the protected savings fund, the saving goal would be automatically created or loan rates invested only at the end of each month, that's why in this question "option B" is correct.
For the view of Exercise 4.18, explain why the database system would not allow a tuple to be inserted into the database through this view.
For reference
For the database of Figure 4.12, write a query to find the ID of each employee with no manager. Note that an employee may simply have no manager listed or may have a null manager. Write your query using an outer join and then write it again using no outer join at all.
OUTER JOIN
select e.ID from employee e left outer join manages m on e.ID = m.ID
where m.manager_id is null;
NO OUTER
select e.ID from employee e where e.ID not in (select m.ID from manages m) or e.ID in (select m.ID from manages m where m.manager_id is null);
Answer:
A closed port that can not receive request from authorized users.
Explanation:
Networks comprises of end devices, routing and switching devices, servers, technical control devices etc. The communication and interconnection of these devices makes up a secure and resourceful network.
Attackers can exploit loopholes in networks to steal information. The attackers uses the SYN scanning or cracking technique to implement the DOS or denial of service attack.
DOS is used to flood ports on a server in a network, preventing authorized user access, as they steal information to avoid detection.
Explanation:
the right answer may be A.
