Networks Basics

Question 1

Network Traffic Examples?

Answer 1

File sharing, video chatting, surfing web, social media, email, voip

Question 2

Network Components: Client

Answer 2

DEvice end user access network with
workstation,laptop,tablet,smartphone,server
Any device that connects to network

Question 3

Server:

Answer 3

-Provides resources to rest of network
-Diff. servers provide diff. functions, such as email,web,file,chat and print servers
-Can be dedicated hardware/software server or a device acting like a server

Question 4

Hub:

Answer 4

• Older tech to connect network devices, such as clients and servers
• Can be interconnected to provide more ports, but leads to increased network errors
• Receives info in one port and rebroadcasts out to all other ports

Question 5

Wireless Access Point (WAP)

Answer 5

• Device that allows wireless devices to connect into wired network
• Acts as wireless hub

Question 6

Switch:

Answer 6

• Connectc network devices such as clients/servers
• switches learn what devices are on which switch ports
• Only forward traffic received from port to destination port based on devices Mac address
• Provides more security and effifiently uses bandwidth

Question 7

Router:

Answer 7

Connect two different networks together
- intelligently forwards traffic to and from a network based on logival address
- Most modern routers use IP add. to determine routing of traffic

Question 8

Wide area network(WAN) link:

Answer 8

• Physically connects networks together
• EX: leased lines, DSL, cable, fiber optic, satellite…
• Connects internal network to external networks