Explanation:
SELECT
distributor_id,
COUNT(*) AS TOTAL,
COUNT(IF(level='exec',1,null)),
COUNT(IF(level='personal',1,null))
FROM sometable;
Answer:
To be honest why would you want to enter one character. Anyways the answer is option 4
Answer:
c. Messages flowing to the client typically use a source TCP port number of 80.
d. Messages flowing to the server typically use TCP.
Explanation:
When fred open the web browser and start a connection to the www.certskills.com website.Two things happens from the mentioned things
1.Messages that are going to the server are use TCP(Transmission Control Protocol).
2.Message goes to the client uses port number 80 that is of TCP used for transferring web pages.
Because the port number 80 is reserved for the HTTP used for transferring web pages that uses TCP protocol.
The network layer is responsible for logical connection setup, data forwarding, routing & delivery. This therefore means that the network (third) layer of the OSI model is responsible for allowing one computer to share information with other computers.
D because integration means that u are almost weaving it into something else so an excel chart into a power point is weaving them together
