Answer:
a) range check
Explanation:
Validation can be defined as an automatic computer check that is designed to ensure any data entered is sensible, consistent, feasible and reasonable.
Basically, there are five (5) main validation methods and these includes;
I. Presence check: checks that the user enters (inputs) data into the field. It ensures a field isn't accidentally left blank.
II. Length check: checks that the data entered isn't too short or too long. It ensures that the data meets the minimum characters.
III. Type check: checks that the data entered is in the right format. For example, string, integer, float, etc.
IV. Check digit: checks that the digit entered is acceptable and consistent with the rest of the digits.
V. Range check: checks that the data entered is between the accepted lower (minimum) and upper (maximum) level.
Hence, range check is a validation type you would use to check that numbers fell within a certain range.
For example, 0 < x > 1000 is a range check.
Select the whole document by pressing Ctrl+a.
Answer:
Communication is a constant process and it can also be corrupted.
Explanation:
Communication is the ability to send and receive messages that can be understood. We constantly communicate with our environment verbally and or orally, using signs and language to express ourselves.
Messages sent can and should be decoded for communication to be complete. It can be corrupted on its path to the decoder, this hinders understanding.
Answer:
Smart Art
Explanation:
The smart art feature in Microsoft excel allows for the creation of organizational chart on Microsoft excel. It readily allows for an hierarchical arrangement of an organization's personnel including the various departments on the system. The smartart allows the implementation of a graphical output which allows the display of an organization's personnel in order of hierarchy. To get started with smart art on excel, Clicking on the insert tab, the same are appears under illustrations. For an organizational chart, the Hierarchy smart art graphic type is selected and filled accordingly.
Answer:
Block all incoming ICMP requests.
Explanation:
Since the web server is hosts a lot of internet facing websites .On investigation it was find out that the web server is getting flooded with a lot of ping requests hence it becomes unavailable occasionally. So to tackle this problem we should block all of the incoming ICMP requests.
