The @ItemTotal parameter is declared as an output parameter with SQL Server data type INT.We use the Value property of the SQLParameter class to retrieve the value of this parameter. We must also convert the INT value to a string value with the ToString method. We then supply this string to the MessageBox.Show method.
Incorrect Answers
Option A, B:
The @ItemTotal parameter is the output parameter. Using @Output this way is incorrect. Output is a keyword and no variable named @Output has been declared.
Option D:
We must use the Value method to retrieve the value of the parameter..
The IEEE 802.11b standard provides three non-overlapping channels.
A transmission to the MAC address ff : ff : ff : ff : ff : ff is a broadcast transmission to all stations.
After the expiration of the backoff algorithm , all hosts have equal priority.
To use VLSM, the routing protocols in use possess the capability to transmit subnet mask information.
The typical banner is a message of the day (MOTD) and is set by using the global configuration mode command banner motd.
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