MOD 3

Question 1

What do clients do?

Answer 1

talk to hosts

Question 2

What are hosts also known as?

Answer 2

servers

Question 3

All hosts, clients, and other devices are called _________.

Answer 3

nodes

Question 4

What is the difference between Fat and Thin clients?

Answer 4

Fat clients have strong processors and do their own work, thin clients are weak and rely on servers

Question 5

What is the difference between the Internet and the WWW?

Answer 5

The internet is the physical network of networks, and the WWW is the network of information

Question 6

What is the shape and size of a network?

Answer 6

Topology

Question 7

All stuff travels on the Internet in ________ form.

Answer 7

Analog

Question 8

Which cable is likely used for cable tv, easy to intercept and was common in LANs until CAT 4/5?

Answer 8

Coaxial Cable

Question 9

Which cable is fast, has a huge bandwidth, and difficult to intercept?

Answer 9

Optical Fiber

Question 10

Which form of network media bounces from reciever to reciever and limited to 30 miles?

Answer 10

Microwave

Question 11

Which form of network is short distance and needs a clear line of sight?

Answer 11

Infrared

Question 12

Which form of network orbits the earth and has propogation delay?

Answer 12

Satellite

Question 13

What are agreed-upon rules for how we will do something?

Answer 13

protocols

Question 14

What are the layers of the OSI Model?

Answer 14

Layer 7: Application
Layer 6: Presentation
Layer 5: Session
Layer 4: Transport
Layer 3: Network
Layer 2: Data Link
Layer 1: Physical

Question 15

What does the Application layer do?

Answer 15

takes your input and formats it

Question 16

What does the Presentation layer do?

Answer 16

compresses and encrpyts the message

Question 17

What does the Transport layer do?

Answer 17

handles error detection or correction

Question 18

What does the Network layer do?

Answer 18

handles Destination and Source address (IP and Data)

Question 19

What does the Destination Address, Source Address, and Data form?

Answer 19

packet

Question 20

What does the Data Link Layer do?

Answer 20

handles the MAC addresses of sender and reciever

Question 21

What does the Physical layer do?

Answer 21

defines mechanical aspects of electronic communication

Question 22

What is the TCP/IP Model?

Answer 22

a protocol stack with four layers

Question 23

What are the four layers of TCP/IP?

Answer 23

Application, host-to-host, internet, physical

Question 24

What is the basic transport protocol?

Answer 24

IP