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WorksheetsNetworking Review
Total questions: 12
Worksheet time: 9mins
What is a group of computers that can communicate with each other?
An IP address
A hub
A network
A router
Who is currently in charge of managing IP addresses across the internet?
ICANN
ARPANET
DHCP
Reed and Monique
How can you view your private IP address?
whatismyip.com
ipconfig
ping
ifconfig
Which of these is not a valid private IPv4 address range?
10.0.0.0 - 10.255.255.255
172.16.0.0 - 172.31.255.255
192.168.0.0 - 192.168.255.255
155.0.0.0 - 155.0.255.255
What is a host on the internet? (Choose the *best* answer choice)
A device that asks for content
Any kind of computer on a network
A host that provides content
A web server
How many possible IPv4 addresses are there?
232
2128
28
24
What is used by most networks to auto-assign IP addresses to most clients?
DNS
ipconfig
DHCP
NAT
What cable do you use in packet tracer to connect a computer to a switch?
There is no cable, it's wireless
Fiber optic
Copper cross-over
Copper straight-through
What does DNS do?
Auto-assigns IP addresses to most clients
Substitutes a public IP address for one or many private IP addresses that are on your local network
It is the primary method all devices currently use to communicate
Translates between IP addresses and URLs
How does data move through the internet?
A packet is sent to the "central" web server that decides the best route for the packet to take
Packets *randomly* bounce around until they reach the correct destination
A packet is forwarded from router to router until it arrives at the web server
Packets move around using wireless signals
What is a switch that routes packets based on IP address?
A bridge
A router
A repeater
A hub
What is the biggest difference between how a switch and a hub send data?
Hubs broadcast data throughout all ports, while switches just send data to the correct one
Hubs use error-checking but switches do not
Hubs have many ports while switches just have two
Hubs regenerate a signal over a network to prevent it from becoming too weak
