Curtis likes to drink soda. He takes the empty bottles and cans that he has collected to his wife, who uses them to make art. This is an example of how to:

General Knowledge question How can firewalls be used to protect an organization’s internal network, while allowing connectivity to an untrusted network, like the Internet?   Define: a) Packet-filtering Firewall b) State-full Firewall c) Firewall Zones

Each sample in the figure below contains one mole of the substance. Which, if any, has the most mass?    

An oxide ion, O2–, has:

General Knowledge question Define what these commands accomplish and why would you use them: a) netstat b) traceroute google.com c) ipconfig /all d) ping 192.168.1.200 e) arp -a

Liquid oxygen boils at –183°C. Express the boiling point of liquid oxygen in Kelvin.

This is the end of this test.  Before submitting, please tear (rip apart into small pieces) your scrap pages in front of your computer’s/lap top’s video camera.   Thank you.  

A pet food manufacturer provides the following information for the typical analysis of a dry dog food:       Crude protein, as-fed basis                 24.73%       Crude protein, dry matter basis          27.33%       Crude fat, as-fed basis                         16.92%       Crude fat, dry matter basis                  18.70%       Crude fiber, as-fed basis                        2.57%       Crude fiber, dry matter basis                 2.84%       Ash, as-fed basis                                     6.89%       Ash, dry matter basis                              7.61%       NFE, as-fed basis                                   39.39%       NFE, dry matter basis                            43.52% What is the typical analysis moisture content of this dog food?  

What volume of 0.54 M NaCl may be prepared by dilution of 0.100 L of a 6.0 M NaCl solution?

An alfalfa silage sample from a dairy farm is submitted to a laboratory for nutrient analysis. The results are listed below.       Dry matter                                     42.37%       All analyses below are expressed on a dry matter basis:       Crude protein                                  19.81%       Crude fat (ether extract)                   2.12%       Crude fiber                                       22.82%       Acid detergent fiber                        36.47%       Neutral detergent fiber                   39.84%       Sugars                                                 2.90%       Ash                                                    13.73%       Calcium                                               1.19%       Phosphorus                                        0.29%       Magnesium                                         0.27%       Potassium                                           2.48%       Sulfur                                                   0.23% What is the NFC content of the alfalfa silage, expressed on a dry matter basis?