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Computers
KG -
12th
The Internet: Addressing, Routing, and Reliability
10 questions
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- 1. Multiple Choice
Which best explains what happens when a new device is connected to the Internet?
A device driver is assigned to the device.
An Internet Protocol (IP) address is assigned to the device.
A packet number is assigned to the device.
A Web site is assigned to the device.
- 2. Multiple Choice
Which of these best describes fault-tolerance on the Internet?
The ability to stop cyberattacks
The ability to transmit data even when some connections have failed
The ability for DNS servers to retrieve the correct IP addresses of websites
The ability for the Internet to handle billions of unique users
- 3. Multiple Choice
Which of these best describes the scalability of the Internet?
The ability to stop cyberattacks
The ability to transmit data even when some connections have failed
The ability for DNS servers to retrieve the correct IP addresses of websites
The ability for the Internet to handle billions of unique users
- 4. Multiple Choice
Which of these best describes the redundancy of the Internet?
There are many different paths for information to travel from point A to point B.
Information on the Internet is broken up into packets.
A router directs a packet by reading its destination IP address.
The Internet can handle billions of unique users at once.
- 5. Multiple Choice
When I type "www.gmail.com" into my web browser and hit enter, which of the following best describes what happens?
My computer sends a request to a TCP server, which sends back the IP address for GMail.
My computer sends a request to a DNS server, which sends back the IP address for GMail.
My computer makes a direct connection to gmail.com and starts receiving packets.
My computer sends a request to a gmail.com server, which sends back the IP address for a DNS server.
- 6. Multiple Choice
Which of the following is true about how packets are sent over the Internet?
Packets are received in the same order they are sent.
When data is broken down into packets, they all travel the same route through the Internet to their destination.
Packets may travel different routes to the same destination, and are frequently dropped along the way.
If TCP does not receive all packets for a particular communication, then every single packet must be re-sent.
- 7. Multiple Choice
Which of the following is an advantage that copper cables have over fiber optic cables?
They are faster
They are cheaper
They allow you to send multiple bits at the same time
They are better over long distances
- 8. Multiple Choice
Which of the following is an advantage of fiber optic cable compared to copper wire?
It is faster
It is cheaper
It is easier to work with
It requires no physical connection
- 9. Multiple Choice
In the Internet Simulator, your class is using 6 routers. You are on router 1 and your friend is on router 4. When you send them a message, what path will the packets travel?
Your computer --> Router 1 --> Router 2 --> Router 3 --> Router 4 --> Their computer
Your computer --> Router 1 --> Router 4 --> Their computer
Your computer --> Router 4 --> Their computer
There is no way to know in advance, but it will start with Router 1 and end with Router 4.
- 10. Multiple Choice
You're sending a message to a friend on the Internet Simulator. They're connected to a different router than you. To communicate with them, you need to know their _______________________.
Domain Name System (DNS)
Transmission Control Protocol (TCP)
Router Address
Internet Protocol (IP) Address
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