iLab 2: Office Network Expansion
Below screen shot shows the simulation of office network where on first floor there are 30 computer and on
expansion they added 15 more computer to the LAN network using star topology. Where expansion network is
iLab 4: Web Report
Global statistic for the FTP statistic were show in different point like FTP Traffic Received
(Bytes/sec) which average 303 bytes/sec and max was 50,512 bytes/sec on other hand sent traffic
has same average as received point but max is
Chapter 8, Exercise 8-3
You have been hired by a small company to install a backbone to connect four 100base-T
Ethernet LANs (each using one 24-port hub) and to provide a connection to the Internet. Develop
a simple backbone and determine the tot
iLab 3: LAN Modeling
Below is the result for the a company WAN which is located on the East Coast. This Simulation
shows the FTP traffic on two different network from which one is with back load and other is no
back load on network. WAN network is spread
Mini-Case: Central University
Suppose you are the network manager for Central University, a medium-size university with
13,000 students. The university has 10 separate colleges (e.g., business, arts, journalism), 3 of
which are relatively large (
Mini Case 1 Belmont State Bank
Belmont State Bank is a large bank with hundreds of branches that are connected to a central
computer system. Some branches are connected over dedicated circuits and others use the dial-up
telephone network. Each branch has
Mini Case Smith, Smith, Smith, and Smith
Smith, Smith, Smith, and Smith is a regional accounting firm that is putting up a new
headquarters building. The building will have a backbone network that connects eight LANs
(two on each floor). The company is ve
2. Briefly outline the steps required to complete a risk assessment.
Develop a control spread sheet in which you prioritize assets, specify threats,
and identify and document controls.
Evaluate adequacy of existing controls and resulting degrees of
1. What does the transport layer do?
The transport layer performs three functions:
Establishing end-end connections: linking the application layer to the
Addressing: finding the address of the ultimate destination computer.
Mini Case Deal-R-Us Brokers
a. Classify the two alternatives in terms of what type of application architecture they use.
The first alternative in terms of application architecture is a client-based architecture. As it states
that the downloaded tool will
Computer Dynamics is a microcomputer software development company that has a 300computer network. The company is located in three adjacent five-story buildings in an office
park, with about 100 computers in each building. The
Mini-Case: 1. Cathys Collectibles
Your cousin Cathy runs a part-time business out of her apartment. She buys and sells collectibles
such as antique prints, baseball cards, and cartoon cells and has recently discovered the Web with
its many auction sites.
Helen Ross, Network Technician
They have over 50 printers and wants to consolidate them also Currently concerned with
upgrading the schools printing scheme. The network also is experiencing latency due to collision
and filled print queues. For
Chapter 9, Question
9. Compare and contrast circuit-switched services, dedicated circuit services, and packetswitched services.
For both circuit switched and dedicated circuit networks, a circuit is established
between the two communicating compu
Chapter 7: Questions
3. Compare and contrast the two types of antennas.
The two types of antennas that can be used on APs are omnidirectional antennas and
directional antennas. Most WLANs are installed using APs have omnidirectional antennas, whi
Chapter 5: Questions
3. What are the parts of TCP/IP and what do they do? Who is the primary user of TCP/IP?
As the name implies, TCP/IP has two parts. TCP is the transport layer protocol that links the
application layer to the network layer. It
Chapter 4: Questions
1. What does the data link layer do?
The data link layer controls the way messages are sent on the physical media. The data link layer
handles three functions: media access control, message delineation, and error control. The
Chapter 3: Questions
1. How does multipoint circuit differ from a point-to-point circuit?
Multipoint is also called a shared circuit. In this configuration, many computers are
connected on the same circuit. This means that each must share the cir
Chapter 1: Question
7. How do local area networks (LANs) differ from metropolitan area networks (MANs), wide
area networks (WANs), and backbone networks (BNs)?
A local area network (LAN) is a group of microcomputers or terminals located in the