Answer:
b. connect two or more network segments that use different data link protocols
Explanation:
A switch is an analog device that allows to interconnect networks, it is possibly one of the devices with a higher level of scalability. It is important to clarify that a Switch does not only provide connectivity with other networks, nor does it provide connectivity with the Internet, for this purpose a router is necessary.
Answer:
SELECT WarehouseID, SUM(QuantityOnHand) AS TotalItemsOnHandLT3
FROM INVENTORY
WHERE QuantityOnHand < 3
GROUP BY WarehouseID
ORDER BY TotalItemsOnHandLT3 DESC;
Explanation:
SELECT statement is used to select the columns from the table. Here the columns displayed by SELECT are WareHouseID, Sum of QuantityOnHand which is named as TotalItemsOnHandLT3 using AS which is called alias which is a temporary name to represent one or columns. WHERE clause here depicts a condition that omits all SKU items that have three or more items on hand from the sum. GROUP BY is used to group the resultant set by one or more columns like here it is grouped by WarehouseID. ORDER BY is used to display the result of TotalItemsOnHandLT3 column in descending order.
While Word might be the simplest application for listing your personal income and expenses, using Excel is the easiest way to create and use a budget, based on the formulas you can create to have the budget do the work for you, instead of vice versa.
Answer:
An intranet is a private - internal - business network that enables your employees to share information, collaborate, and improve their communications. An extranet enables your business to communicate and collaborate more effectively with selected business partners, suppliers and customers.
The predecessor for the Internet is ARPANET . ARPANET was developed under the direction of the U.S. Advanced Research Projects Agency (ARPA) and first published in 1967.It was <span>designed to facilitate communication between ARPA computer terminals .</span>This network was the first fully operational packet-switching network.
