population trend is stable, however the number of students using networking
services has increased by 20 percent annually. In addition, students and
teachers are using their own wireless mobile devices to access the network
including smart phones, wireless tablets, and laptops. Most of the supporting
devices such as printers and scanners are wireless too.
district recently introduced a virtual collaborative environment so students
can chat, file share, and conduct virtual meetings via VoIP and video.
better safeguard the network, the district has had to segment the schools and
central administration from each other through proxy servers, and
employ an intrusion dedication system and a more
sophisticated spam protection software.
In 2 to 3 pages, explain how one or more of the
following items could affect the performance of a local area network (LAN):
Increase in number of users
Increase in the network nodes
Use of peer-to-peer network
Introduction of wireless edge
devices to network
Voice over IP
Increase in number of
Address these questions in your written response:
What are expected differences
in data transfer rates for those users on a wired LAN and those using
What issues should you
consider in allocating and load balancing network resources?
How is transmission control protocol (TCP)
congestion control affected with an increase in the number of users? How would
you mitigate any potential congestion problems?
What quality of service (QoS) metrics
would you collect to analyze and manage network performance? Why?