What is the Internet?

What is a WAN?

What is the internet of things?

What is an IP address?

What is packet switching?

How are packets sent?

What happens if packets are damaged or lost.

What is a DNS?

How many DNS root servers are there?

Can your IP address change?

What is a MAC address?

Why doesn't the internet find a computer using MAC addresses?

What is a LAN?

What is the difference between WAN and LAN?

Name some advantages of networking.

Name some disadvantages of networking computers.

Name two LAN topologies

Name two advantages of a star LAN

Name two disadvantages of a star LAN

A full mesh network looks like

A partial mesh network looks like

How do mesh networks use nodes?

How big can mesh network get?

How many nodes need wired Internet connection in a mesh network?

Name advantages and disadvantages of mesh networking..

What hardware is needed for a stand alone pm to join a LAN?

Describe a router hub and switch.

What is an ethernet protocol?

What's an ethernet cable?

How does Ethernet transmission work?

How do virtual networks work?

Why does wireless signal vary throughout my house?

What's a wireless nic?

What's a wap?

What five frequencies does 802.11 standard use?

Compare 2.4GHz and 5GHz channels advantages and disadvantages.

What's encryption?

What does plaintext mean?

What does ciphertext mean?

What does encryption mean?

What is a key?

What is an encryption algorithm?

What's a private key?

What's a public key?

What's the Ceasar shift cipher?

What are the two ways to try to decrypt a message?

List advantages of a client server network.

What's odd about a peer to peer structure?

Why us a peer to peer server good?

Drawbacks of a peer to peer network.

Client v peer to peer
servers fight

Peer to peers uses on a WAN?

What is hosting?

What's the cloud?

What is SaaS?

Name advantages of cloud computing

And disadvantages of cloud computing

Name three ways computers transfer data

Compare copper cable, fibre optics and wireless transmissions.

Name the four factors that affect network performance.

Explain how bandwidth can limit data transfer.

What is Latency?

Explain error collisions and Retransmissions

What is a protocol?

What are HTTP and HTTPS?

What is FTP?

How does email work?

What are POP and IMAP?

What is SMTP?

What are TCO and IP?

What makes up the TCP/IP stack in order?

How is data sent through the TCP/IP stack?

List the advantages of layers.