IN THE network, each device is connected directly to a central switch.
Answer:
Incremental model
Explanation:
Incremental model is the best modification in older version are feasible and can be easily managed.
Incremental model involves the technique of developing soft ware in which the product is designed implemented and tested in stages until the product is finished. The term finished here means the product as meet all its requirement.
This model entails development as well as maintenance.
Answer:
SELECT product_name, SUM(DISTINCT quantity) AS total_quantity
RANK() OVER (PARTITION BY total_quantity ORDER BY product_name) AS rank,
DENSE_RANK () OVER (ORDER BY quantity DESC) AS dense_rank
FROM Order_items
JOIN products ON Order_items.product_id = products.product_id
GROUP BY product_id
Explanation:
The SQL query returns four columns namely, product name, total quantity, rank and dense rank. The query uses the rank and the dense rank function to return the rows according to numeric ranks.
Answer:
Service Password encryption
Explanation:
It is noted that the command used on routers, to get the data of all the passwords in a router configuration file encrypted is the service password encryption.
Service password encryption solely affects plain text passwords types that includes that of the line passwords or that of the enable password. The feature uses a simple substitution method to create a "secure" non-text password displayed in the configuration.
Answer:
It is the very last statement (bottom). Also copied to the the client
Explanation: