Unit 7 network layers in types

Question 1

Literally core of network and often called high speed
backbone
* Only purpose is transport large amounts of traffic reliably and
quickly
* Traffic transported across is common to majority of users
* Normally high speed switches and routers

Answer 1

Core layer

Question 2

is communication point between access
layer and core layer

Answer 2

Distribution layer

Question 3

Fault tolerance is essential through

Question 4

Primary function of distribution layer

Answer 4

provide routing,
filtering, WAN access and determine how packets can access
core when necessary

Question 5

what layers determine fastest way that user
requests are serviced i.e. how file request is forwarded to
server

Answer 5

Distribution layer

Question 6

After distribution layer determines best path

Answer 6

, it forwards
request to core layer

Question 7

aggregation point for multiple
access switches and must be capable of handling large
amount of traffic

Answer 7

Distribution layer switch

Question 8

Ensures frames are delivered to end user computers
* Is aggregation point and includes hubs and switches to
connect nodes (hosts) such as workstations to network
* Sometimes referred to as desktop layer because majority of
devices connected to access switches are desktop computers

Answer 8

Access layer

Question 9

Switches deployed at this layer must be able to handle
connecting multiple desktop devices to the distribution layer
 Characterized as having a large number of ports and low cost

Answer 9

Client Connection