Bonus
What is a binary?
A way of representing information using only two options.
How many bits are in one byte?
8
What is a protocol and why do we need it?
A set of rules or procedures for transmitting data between electronic devices, such as computers. In order for computers to exchange information, there must be a preexisting agreement as to how the information will be structured and how each side will send and receive it.
What is a DNS and its purpose.
Domain Name Servers (DNS) are the Internet's equivalent of a phone book. They maintain a directory of domain names and translate them to Internet Protocol (IP) addresses. This is necessary because, although domain names are easy for people to remember, computers or machines, access websites based on IP addresses.
What is 000000001101 binary in decimal?
13
What is a bit?
A contraction of "Binary Digit"; the single unit of information in a computer, typically represented as a 0 or 1
Convert 101101 binary to decimal
45
Why did we have to upgrade to IPv6 128-bit?
IPv6 provides a more simplified network configuration because client-side IP address assignment is built into it. Instead of assigning addresses to devices via a DHCP server as you would with IPv4
Why do computers need to periodically check the DNS for websites you have already visited?
To make sure the website is available and is continuing to send output data .
How many minimum bits are needed in a binary message to answer a question with 4 answers?
2 bits “A” and “B”
How would you respond to a simple true or false binary message such as "Do you like dogs?"
Convert 27 decimal to binary
11011
When you send a message to a different router, why would your router know you are sending a message to a different router.
The first 4 bits of the address specify the router number that you are sending to.
Do we need to know the IP address of the sites we wish to reach?
No, our computer will check for us and automatically take us there.
True or False. Displaying a web page will often require multiple HTTP requests in order to acquire all the necessary data.
True
If we send a binary message consisting of 2 bit, "A" and "B", what is the most amount of possible combinations (order matters)
"AA" "BB" "AB" "BA"
What is 10110 binary converted to hexadecimal
16
True or False. A packet travelling between two computers on the Internet may be rerouted many times along the way.
True
What is a DDoS attack
A distributed denial-of-service (DDoS) attackoccurs when multiple systems flood the bandwidth or resources of a targeted system, usually one or more web servers
Explain what innovation is and give an example of innovation in the past solving real world problems
Answers vary
If we send different multiple binary messages, how can the receiver know when a message stops and when a new one occurs.
The time taken between sending the two binary messages.
If we have a device with a resolution of 5x8 bits, what is the total number of bytes used to project an image.
6 bytes (metadata)
Can you know in advance what route the computer will take to the Internet.
No, because the computer takes a different route each time.
Explain the DNS process
Answers may vary