Information Technology Reference
In-Depth Information
Use Figure 3-20 to answer questions 31-36.
Si
Si
Si
Si
Si
Si
to Internet
Building
Building
Building A
Si
Si
To WA N
L3 Switches
Si
Si
Si
Si
Building
L2 Switches
IP Phones
Workstations
Figure 3-20
Enterprise Campus Diagram
31.
What medium do you recommend for the campus LAN backbone?
32.
The workstations send frames with the DSCP set to EF. What should the IP phones
do so that the network gives preference to VoIP traffic over data traffic?
33.
If the Layer 2 switches in Building A cannot look at CoS and ToS fields, where should
these fields be inspected for acceptance or reclassification: in the building Layer 3
switches or in the backbone Layer 3 switches?
34.
Does the network have redundant access to the WAN?
35.
Does the network have redundant access to the Internet?
36.
Does Figure 3-20 use recommended devices for networks designed using the Enter-
prise Architecture model?
37.
Which are environmental characteristics? (Select three.)
a.
Tran s mis s ion media charac ter ist ic s
b.
Application characteristics
c.
Distribution of network nodes
d.
Operating system used
e.
Remote-site connectivity requirements
