TCP takes a three-step approach to establishing a reliable communication.
First, from the transport layer of the sending device a request packet is transmitted to the receiving device's transport layer asking if a session can be established.
Second, if available, the receiving device sends a packet back to the sending device indicating that it is available for communication.
Third, the sending device begins to send its data to the receiving device.
Answer:
HAZMAT certificate
Explanation:
If you face an investigation where dangerous substances might be around, you may need to obtain a HAZMAT certificate.
Hazmat is the shortened form of the word "hazardous materials," which the United State Department of Transportation recognized as materials that could adversely affect people and also the environment. Hazmat certification is required to be obtained by workers who remove, handle, or transport hazardous materials. This comprises careers in transportation and shipping, firefighting and emergency rescue, construction and mining, as well as waste treatment and disposal. Workers who are also in manufacturing and warehouse storage may also come across hazardous substance or materials risks while on their jobs. Certification involves having the knowledge of the risks and safety measures for handling these materials.
Answer:
Use font colors that work well with your background.
Select font sizes that are appropriate for your delivery method.
Fonts should be appropriate for your audience.
Limit the number of fonts you use to three or four.
Hope this helps!
Answer:
3 parameters are passed into the function.
1 value will be returned from the function.
Explanation:
From the function definition "function sum(first, second, third)", we can see that there are three value/parameters are passed in the function.Then variable "result" will be the sum all the three values. After that it will print the all three values in new line. Then the function will return one value which is the sum of all three that is value of "result".As there is only one value returned by the return statement in the function.
