1. What agency created the Internet

ARPA

NASA

CIA

DOD

2. Match the following terms with the definitions

Packet

[ Choose ] A network device that connects two networks together and only allows packets through that are needed. The fundamental unit of data transmitted over the Internet. A network device that connects multiple devices together and filters packets based on their destination within the connected devices. Every device that communicates on the Internet, whether it be a personal computer, a tablet, a smartphone, or anything else, is assigned a unique identifying number called an IP A simple network device that connects other devices to the network and sends packets to all the devices connected to it. A device that receives and analyzes packets and then routes them towards their destination.

Hub

[ Choose ] A network device that connects two networks together and only allows packets through that are needed. The fundamental unit of data transmitted over the Internet. A network device that connects multiple devices together and filters packets based on their destination within the connected devices. Every device that communicates on the Internet, whether it be a personal computer, a tablet, a smartphone, or anything else, is assigned a unique identifying number called an IP A simple network device that connects other devices to the network and sends packets to all the devices connected to it. A device that receives and analyzes packets and then routes them towards their destination.

Bridge

[ Choose ] A network device that connects two networks together and only allows packets through that are needed. The fundamental unit of data transmitted over the Internet. A network device that connects multiple devices together and filters packets based on their destination within the connected devices. Every device that communicates on the Internet, whether it be a personal computer, a tablet, a smartphone, or anything else, is assigned a unique identifying number called an IP A simple network device that connects other devices to the network and sends packets to all the devices connected to it. A device that receives and analyzes packets and then routes them towards their destination.

Switch

[ Choose ] A network device that connects two networks together and only allows packets through that are needed. The fundamental unit of data transmitted over the Internet. A network device that connects multiple devices together and filters packets based on their destination within the connected devices. Every device that communicates on the Internet, whether it be a personal computer, a tablet, a smartphone, or anything else, is assigned a unique identifying number called an IP A simple network device that connects other devices to the network and sends packets to all the devices connected to it. A device that receives and analyzes packets and then routes them towards their destination.

Router

[ Choose ] A network device that connects two networks together and only allows packets through that are needed. The fundamental unit of data transmitted over the Internet. A network device that connects multiple devices together and filters packets based on their destination within the connected devices. Every device that communicates on the Internet, whether it be a personal computer, a tablet, a smartphone, or anything else, is assigned a unique identifying number called an IP A simple network device that connects other devices to the network and sends packets to all the devices connected to it. A device that receives and analyzes packets and then routes them towards their destination.

IP Address

[ Choose ] A network device that connects two networks together and only allows packets through that are needed. The fundamental unit of data transmitted over the Internet. A network device that connects multiple devices together and filters packets based on their destination within the connected devices. Every device that communicates on the Internet, whether it be a personal computer, a tablet, a smartphone, or anything else, is assigned a unique identifying number called an IP A simple network device that connects other devices to the network and sends packets to all the devices connected to it. A device that receives and analyzes packets and then routes them towards their destination.

3. Why are there domain names?

4.Explain how packet-switching works.

5. What was the first commercial web browser?

Netscape Navigator

Mosaic

Safari

Chrome

Internet Explorer

6. What were two early examples of Web 2.0 applications?

Blogger

Email

Wikipedia

Browsers

7. What is the difference between Internet and World Wide Web?

8. Define LAN and WAN and give a basic definition and example of each.

9. What does a high latency mean when communicating between servers and computers?

10. Why is latency important for load balancing?

11. For wireless 802.11 compare contrast 2.4GHz, 5GHz and 60 GHz. Please explain pros and cons for 60 GHz.

12. Define VoIP and explain why it is important.