week 2 videos

Question 1

Router

Answer 1

Forwards packets based on logical addresses

Question 2

How does a router keep track of which ports to forward and addresses to send packets?

Answer 2

Routing table

Question 3

What is a VPN for?

Answer 3

Setting up a secure connection over a unsecure network (ie network)

Question 4

Wireless Access Point

Answer 4

Devices can connect wirelessly to the WAP which connects those devices to a wired network

Question 5

Switch

Answer 5

Forwards frames based on the physical addresses in devices

Question 6

Intrusion Prevention System (IPS)

Answer 6

Sensor thatMonitors network traffic for signs of intrusion/attack

Question 7

Intrusion Detection System (IDS

Answer 7

Recieves a copy of network traffic and analyzez it for signs of attack/intrusion

Question 8

Firewall

Answer 8

A device that can set rules on what is allowed into different parts of the network

Question 9

DMZ

Answer 9

specific area of the network that is exposed to external connections

Question 10

Multilayer switch

Answer 10

Can behave like a switch and/or router

Question 11

Cache engine

Answer 11

commonly downloaded content are stored locally for easy retrieval

Question 12

Network Attached Storage

Answer 12

Large storage device/configuration that is shared in a network