Network Concepts

Question 1

What can we share on networks? 3 things.

Answer 1

Files, applications, resources

Question 2

Name the three types of network (by geography).

Answer 2

LAN - Local Area Network
MAN - Metropolitan Area Network
WAN - Wide Area Network

Question 3

Up to what distance can a LAN cover?

Answer 3

Less than 1 mile (1.5 km).

Question 4

What distance can a MAN cover?

Answer 4

1 mile (1.5 km) to 93 miles (150 km)

Question 5

Relationship between MANs and LANs?

Answer 5

MAN interconnects several LANs by bridging with backbone lines.

LANs thus function as single identifiable network (MAN).

Connects several LANs to WAN.

Question 6

What is a network?

Answer 6

2+ computers connected by a medium (copper wire, air…)

Question 7

Who operates a MAN?

Answer 7

Typically a single network operator (service provider or carrier)

Question 8

What distance can a WAN cover?

Answer 8

Usually greater than 93 miles (150 km)

Question 9

Name 3 mediums that can connect a WAN.

Answer 9

telephone lines, fiber-optic cables, satellite links

Question 10

What are WAN pros for a company?

Answer 10

Pro: eliminate constraints of distance and time

Question 11

What are WAN cons for a company?

Answer 11

Con: more expensive technologies are needed, such as SONET, Frame Relay, ATM

Question 12

Are WANs found over private networks or the Internet?

Answer 12

Both!

Question 13

Is the Internet a WAN? How about VPNs?

Answer 13

Yes, possibly the largest WAN; yes they can be.