The Internet and Networking Basics
What is a host?
Any device connected to a network with its own IP address.
What does HTTP stand for?
HyperText Transfer Protocol
What does the routing table tell a router?
The next hop and cost to forward data based on some destination.
What does bandwidth measure?
The maximum number of bits sent.
Mr. S's favorite type of coffee is...
Black
Which network type covers a school building: LAN, WAN, or MAN?
LAN
What does an HTTP 404 Error imply?
The requests resource/page CANNOT be found
What is a "cost" in routing?
The "stress" of a path taken
RTT stands for what?
Round Trip Time
What date is Mr. S getting a new tattoo?
February 13th
What device connects a LAN to a WAN?
A modem
What is the purpose of the URL in a browser?
If Router-R2D2 has five paths to the same destination, which one would get picked?
The one with the lowest cost
A download is slow even though bandwidth is high. Why?
High latency, server congestion, poor signal, etc.,
Mr.S's all-time favorite dessert that can make him stop teaching is?
Tres Leches
Why is a router considered the “center” of a LAN?
It forwards data between devices and toward outside networks.
Which Internet layer does HTTP operate at?
The Application Layer
What is dynamic routing?
Routers changing paths based on updates, failures, or new routes, which will happen constantly as paths are NOT fixed
Explain why upload speeds are often slow than download speeds
Many users will download MORE things often than they need to upload.
Who is Mr. S's favorite artist?
Tyler the Creator
A smart TV and a web browser are both on the network. Which one is a host and why?
The smart TV, it's not software...
Explain why the Internet uses abstraction layers.
Each layer hides complexity and provides services to the layer above it, allowing systems to work without knowing lower-level details.
Why can two messages to the same destination take different routes?
Dynamic routing changes paths depending on network conditions.
A student is videoconferencing on a network with very high bandwidth but experiences delayed audio responses and people talking over one another.
Which network factor is causing this problem, and why does having more bandwidth NOT fix it?
When did Mr. S graduate Secaucus High School?
2020