Answer:
ALTER TABLE orders
MODIFY (amount DEFAULT 250)
Explanation:
- ALTER TABLE statement is used to modify "amount" column in the existing "orders" table
- MODIFY (amount DEFAULT 250) is used to set the default value 250 of the "amount" column.
Therefore if the supervisor wants the amount column to be configured to accept a default value of 250, then "ALTER TABLE orders MODIFY (amount DEFAULT 250) " statement should be issued.
Answer:
Signal strength and SNR
Explanation:
The signal strength and SNR are two important values to record during the manual site survey process. Signal loss and propagation loss have different effects, and packet retries are more of an issue with dynamic rate selection.
We need to know what was listed :)!
8 kilobytes have addresses from hex 0x0000 to 0x1fff (=8191). You would need 13 bits for that. 2^13-1 = 8191. If you write the highest address in binary, you get:
0001 1111 1111 1111. Just count the number of 1's.
If you find this difficult to visualise, write down all logical addresses of a small page size of e.g. 8 bytes. You can see you can make all addresses with 3 bits.
