True definitely. They have to use very modern tech in order to make people trust and use them.
Answer:
The correct option is option 4 from the options indicated below:
Explanation:
The options are as given below
1-SELECT customer# FROM customers
UNION
SELECT customer# FROM orders;
2-SELECT customer# FROM orders
MINUS
SELECT customer# FROM customers;
3-SELECT customer# FROM orders
INTERSECT
SELECT customer# FROM customers;
4-SELECT customer# FROM customers
MINUS
SELECT customer# FROM orders;
Option 1 is not correct as it will provide the list of all the customers whether they have placed order or not.
Option 2 is not correct as it will provide the list of customers who have placed order but are not in the customers table. This will return the empty records.
Option 3 is not correct as it will provide the list of customers who have placed the order.
Option 4 is correct as it will provide the list of customers from the CUSTOMERS table which are not in the Orders table. thus the list of customers who have not placed the order yet.
Answer:
NFC chips
Explanation:
its specifically used to make secure transactions among other things
The containment strategy prevents intruders from removing
information assets from the network, and
prevents attackers from using the organization's network as a launch point
for subsequent attacks.
In
a "block" containment strategy, in which the attacker's path into the
environment is disrupted, you should use the most precise strategy
possible, starting with <span>blocking a specific IP address. Correct answer: C
</span>
Answer: A) Installed
Explanation: Installed application work on the system on which they are installed .They are supposed to persist the required speed of processing to execute the task ,enough memory and other resources as well to fulfill the need of the application functioning.
Other option is incorrect because cloud based application run with help of internet service via web browser so they resources in this applications based on the internet connectivity and browser's speed .Thus, the correct option is option(A).