Many admins set their firewalls to drop echo-request packets to prevent their networks from being mapped via "Ping Sweeps".
A remote possibility is that there's too many hops between the source and target and the packet's TTL expires.
Well the only one that is actually a piece of programming is A. Word Processing Program. B, C and D are all peripherals for a computer not actual software for it. Basically if you have to install it on the computer its software. Now B C and D may need software to make them compatible with your computer they themselves dont need to be installed.
The answer is the B: The Navigation Pane
All the objects in a Microsoft Access database are listed in the Navigation Pane. You can view and manage the categories and groups of objects in the Navigation Pane. You can also hide groups, objects, or the entire Navigation Pane. In addition, you can also use the Navigation pane to sort objects, find objects in a database, and add objects to a custom group. By default, the navigation pane appears when you open a database in Access.
Negotiation is one possible answer to this question, I believe, though there are other words which mean similar things that could also suffice. For example, compromise is very similar in meaning, though this specifically means each person is conceding something to find an agreement.
Answer:
range
Explanation:
range(num1, num2) returns the numbers from num1 up to but not including num2.
Example: range(1, 4) will return the numbers 1, 2, 3.
Hope this helps :)