ICT703 Network Technology and Management for CAC Business Needs
Questions:
2. Demonstrate a network layout for CAC requirements – you can use Figure 3 as the starting point. Because the company has limited funds available for this project, it is important that where possible only equipment designed for the small business and home markets be used. Provide supporting details to justify your selection of each equipment type, e.g., access points, switches and routers.
Answer:
Project proposal needs
The major aim of this project proposal is specify a network plan to upgrade the existing network infrastructure for CAC. The major project deliverable is implement and design the overall network set-up of the firm which includes outlining an improved network design to support CAC firm’s expansion and growth plans.
CAC business needs
The following outlines the needs of the firm
- Upgrading the current organization IT resources
- Updating their current IT resources
- Proposing the best network structure.
Issues to be considered during network upgrade
When upgrading any network either for small or large organization, it is important to consider the four network design goals. First, Network designers should consider the future growth and expansion of the organization i.e. scalability. Second, when planning for any network upgrade the network designers should put security at the forefront. In here network designers plan for the location of switches, routers, and firewalls. Additionally, they should examine the appropriate intrusion detection systems that ought to implement. Third, network designer should ensure that when designing for network upgrade, the organization services should be always up and running even in the event of failure of one or two devices. Lastly, the network designer should ensure that the current CAC IT staff are able to manage and su
pport the network i.e. the network should be manageable by the current IT team members.
Part one: Gathering project requirements
Activity 1: Computer System Planning form
Table 1: Computer planning form-HR/Accounting department
|
Computer System Planning Form |
|
|
Department/ Team |
HR/Accounting |
|
Location |
Brisbane |
|
Component |
Recommendation |
|
Processor |
Model Intel Core i3 Manufacturer: Intel Speed: 2Ghz |
|
Memory: |
Type:DDR2 Amount: 3GB |
|
|
|
|
Hard Drive |
Type: HP Capacity: 250GB |
|
CD-ROM/DVD |
Speed: 3X CD-ROM Maximum data transfer: 400 KB/sec RPMs: 500-1060 |
|
USB Ports |
Number: 8 ports Location: 2 ports in-front and 6 ports at the back of the system unit |
|
|
|
|
Video Card: |
Manufacturer: AMD Model: VGA
|
|
|
|
|
Sound Card |
Manufacturer: Intel Model: |
|
Modem |
External modem Speed: 54Mbs Standard: Normal |
|
Network Card |
Ethernet: RJ 45 port Speed: 3Mps Wireless standard: IEEE 801.5 |
|
Operating System |
Manufacturer: Microsoft Version: Windows 7 professional |
|
Monitor: |
Size: Resolution Refresh rate: |
|
Printer: (Manufacturer, Model, Type, Speed) |
Manufacturer: HP Model: HP LaserJet m400 Speed: |
|
Speakers: |
Manufacturer: AMD Model: High definition Type: Internal speaker |
|
|
|
|
Internet Connection |
USB enables internet connection Ethernet: RJ 45 port
|
Table 2: Computer Planning Form-Sydney
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Department |
Sydney Location |
|
Location |
Sydney |
|
Component |
Recommendation |
|
Processor |
Intel Pentium 4 600 series processor
|
|
Memory |
DDR2 type 2gb |
|
Hard drive |
Serial ATA 160 GB |
|
USB ports |
4 USB ports 2 located in front and two at the back |
|
Video card |
Intel Video card, Radeon RX 580 Series |
|
Sound Card Modem |
AdLib manufacturer |
|
Network card |
Ethernet wired card Bus interface: PCI bus network card Network interface: RJ-45 interface network card |
|
Operating system |
Windows 7 professional. Microsoft as the manufacturer |
|
Monitor |
17 inches HP monitor |
|
Printer |
HP LaserJet 700 series |
|
Speaker |
Logitech Z623 speakers |
|
Internet connection |
Ethernet connection via RJ45 port and USB type of connection (Claise & Wolter, 2014) |
Table 3: Computer Planning Form-Advertising
|
Department |
Advertising /Marketing |
|
Location |
Brisbane Suburb |
|
Component |
Recommendation |
|
Processor |
AMD Athlon 64 X2 processor
|
|
Memory |
DDR2 type 4gb |
|
Hard drive |
Serial ATA 250 GB |
|
USB ports |
4 USB ports 2 located in front and two at the back |
|
Video card |
Intel Video card, Radeon RX 580 Series |
|
Sound Card Modem |
AdLib manufacturer |
|
Network card |
Ethernet wired card Bus interface: PCI bus network card Network interface: RJ-45 interface network card |
|
Operating system |
Windows 7 professional. Microsoft as the manufacturer |
|
Monitor |
17 inches HP monitor |
|
Printer |
HP LaserJet 700 series and EPSON 850 series printer |
|
Speaker |
Logitech Z623 speakers |
|
Internet connection |
Ethernet connection via RJ45 port and USB type of connection |
Table 4: Computer Planning Form-Design department
|
Department |
Design |
|
Location |
Brisbane |
|
Component |
Recommendation |
|
Processor |
AMD Sempron Processor Speed: 2.0 GHz Manufacturer: Sempron based in India |
|
Memory |
Type: DDR2 RAM Size: 2 GB |
|
Hard drive |
Type: SATA hard drive Size: 160GB Manufacturer: Seagate Technology (Gardner, 2016) |
|
CD-ROM |
Type: SATA CD-ROM Drive speed of 1* CD-ROM Maximum rate of Data transfer of 150KB/sec. RPMs need to be 200-530 minutes (Claise & Wolter, 2014) |
|
USB Ports |
2 USB ports in front of the system unit and 4 at the back |
|
Video Card |
Manufactured by PowerColor Model: Radeon R7 240 Video RAM: 2GB |
|
Sound Card |
Manufacturer: ASUS, Aztec Lab, Intel Frequency: 192kHz Model: |
|
Modem |
External DSL modem Speed: 10 megabits per second Model: DSL |
|
Network Card |
Manufactured by TP-Link, Atheros Ethernet network card with both 10Base2 connector for twisted pair and coaxial cable |
|
Operating System |
All the user computer need to run windows 7 professional service 2 with the 64-bit version |
|
Monitor |
HP monitors Size: 14-inch to 20.5-inch LCD displays Resolution: 1024 by 768 @ 60 hertz (native resolution) |
|
Printer |
Epson WorkForce WF-7610 |
|
Speaker |
Manufactured by Cemex, Philips, Sony |
|
Internet connection |
All the user computer need to be connected to the internet via Ethernet RJ45 port |
|
Computer System Planning Form |
|
|
Department/Team: |
Advertising |
|
Location: |
Brisbane |
|
Component |
Recommendation |
|
Processor |
Model Intel Core i7 Manufacturer: Intel Speed: 3Ghz |
|
Memory: |
Type:DDR2 Amount: 2GB |
|
|
|
|
Hard Drive |
Type: HP Capacity: 500GB |
|
CD-ROM/DVD |
Speed: 2X CD-ROM Maximum data transfer: 300 KB/sec RPMs: 400-1060 |
|
USB Ports |
Number: 8 ports Location: 4 ports in-front and 4 ports at the back of the system unit |
|
|
|
|
Video Card: |
Manufacturer: AMD Model: HDMI
|
|
Sound Card |
Manufacturer: Model: |
|
Modem |
External modem Speed: Standard: |
|
|
|
|
Network Card |
Ethernet: RJ 45 port Speed: 3Mps Wireless standard: |
|
Operating System |
Manufacturer: Microsoft Version: Windows 7 professional |
|
|
|
|
Monitor: |
Size: Resolution Refresh rate: |
|
|
|
|
Printer: (Manufacturer, Model, Type, Speed) |
Manufacturer: HP Model: Hp laserjet m400 Speed: |
|
Speakers: |
Manufacturer: AMD Model: High defination Type: Internal speaker |
|
|
|
|
Internet Connection |
USB enables internet connection Ethernet: RJ 45 port
|
Activity 2: Printer requirements
Table 6: Printer requirements
|
Departments |
The type of printers needed |
|
Marketing |
Hp Laserjet 400 M401 PCL6 USB 2.0 printing port Two sided printing automatic Wireless direct printing
|
|
HR/Accounting |
HP laserjet p2015 Two sided printing is manual Wired connectivity Fats print is 8.5 seconds Installed RAM size is 32 MB |
|
Design and Photography |
HP Color Laserjet Pro MFP M477 fdw Able to scan digital files 1200 MHz processor 512 MB memory Easy-Access USB port TRJ 45 port enabled Two side printing ought to be automatic |
|
Advertising |
HP Color Laserjet p2015 |
|
Sydney Office |
Kyocera Taskalfa 550Li Kx and Epson L850 series |
Activity 3: Network Layout
The best network structure that the organization can implement is a hierarchical network structure. A hierarchical network structure is a shown by figure 1 below
One of the advantages of adapting to this model is that if offers better performance, it offers better filtering, and better scalability. In addition, when one switch is down it does not affect other departments, in addition, with wireless connection, the organization can continue to operate with ease (Gardner, 2016).
Activity 4: ISP Comparison
The following table compares two Internet service providers in Australia; Telstra and Optus
Telstra offers two plans; ADSL plan and Broadband plans which is the same as Optus plan
Table 7: ISP comparison
|
ISP company |
Plan |
Cost |
|
Telstra |
Unlimited broadband NBN plan |
$89 each month |
|
|
Unlimited bundle casual NBN Plan |
$89 each month |
|
|
Home ADSL plan essential bundle |
$69 each month |
|
|
Home broadband unlimited + Streaming bundle |
$99 each month |
|
Optus |
Optus NBN plan (Unlimited data) |
$75 each month |
|
|
Optus NBN plan (Entertainment plan) |
$90 each month |
|
|
Optus ADSL (Ultra plan) |
$75 each month |
|
|
Optus ADSL (Entertainment plan) |
$90 each month |
|
|
Optus ADSL plan (Reach Ultra plan) |
$115 each month |
Activity 5: Some of the internal services that the organization can offer:
- Creating user accounts
- Unlocking users’ passwords
- Dusting of computers and servers
- Monitoring organization services
- Monitoring network security
Activity 6: Network planning form
Table 8: Network Planning Form
|
|
|
Reason |
|
Are wired connections required? |
Number: 500 wired connections are required Floor 1: 100 RJ45 connections outlets Floor 2: 100 RJ45 connections outlets Floor 3: 100 RJ45 connections outlets Floor 4: 100 RJ45 connections outlets Floor 5 (The Sydney office): 100 RJ45 connections outlets
|
100 connections are required in each floor For scalability purposes (The organization will definitely expand in future) |
|
|
|
|
|
Are wireless connections required? |
Number: 5 TP link Access points 4 in the brae burn office and 1 in the Sydney office |
This is so as to cater for the organization laptops and during stakeholders meeting member can connect to the world wide web via Access Points |
|
|
|
|
|
Wireless standard |
IEEE 802.11b (This applies to Wireless LANs) |
The standard provides up-to a range of 5.5mpbs. It also ranges 2.4Ghz |
|
|
|
|
|
Firewall required? |
Yes (Both physical device and software) |
Cisco type of firewall. This is so as to protect the organization IT resources |
|
|
|
|
|
ISP connectivity required? |
Yes |
CAC requires Telstra Internet Service providers. The internet connection they offer is very liable |
|
|
|
|
|
Type of ISP connectivity |
Cable unlimited data connection |
Telstra offers good cabled connection a compared to microwave type of connection |
|
|
|
|
|
Internal or external modem required? |
Yes (External modem) |
|
|
|
|
|
|
Cables required? |
Yes: Cat 5e type of cabling |
Cat 5e cable have very low attenuation |
|
|
|
|
|
Battery backup required? |
Yes: APC type of power back-up |
To enable continuity of the organization operation when they is power loss (Huang, 2014) |
|
|
|
|
Part two: Plan for installation
Activity 7: Sub-netting
Table 9: Sub-netting Template
|
Site name |
Network |
Slash |
First Usable |
Last Usable |
Broadcast Address | |
|
|
Address |
Notation |
IP Address |
IP Address |
| |
|
1st Floor |
192.168.0.0
|
/24 |
192.168.9.1 |
192.168.9.254 |
192.168.9.255 |
|
|
2nd Floor |
192.168.0.0
|
/23 |
192.168.10.1 |
192.168.10.254 |
192.168.10.255 |
|
|
3rd Floor |
192.168.0.0
|
/25 |
192.168.11.1 |
192.168.11.254 |
192.168.11.255 |
|
|
4th Floor |
192.168.0.0
|
/24 |
192.168.13.1 |
192.168.13.254 |
192.168.13.255 |
|
|
Sydney Office |
192.168.0.0
|
/28 |
192.168.14.1 |
192.168.14.254 |
194.32.14.255 |
|
Table 10: IP addressing
|
|
Device |
|
Interface |
|
IP Address |
|
Subnet Mask |
|
Default Gateway |
|
|
|
|
|
| |||||
|
|
R1 floor 1 |
|
Ethernet 0/0 |
|
192.168.9.1 |
|
255.255.255.0 |
|
192.168.9.9 |
|
|
S1 Floor 1 |
|
FastEthernet 1/0/1 |
|
192.168.10.2 |
|
255.255.255.0 |
|
192.168.9.9 |
|
|
S2 Floor 2 |
|
FastEthernet 1/0/2 |
|
192.168.11.3 |
|
255.255.255.0 |
|
192.168.9.9 |
|
|
S3 Floor 3 |
|
FastEthernet 1/0/3 |
|
192.168.12.4 |
|
255.255.255.0 |
|
192.168.9.9 |
|
|
S4 Floor 4 |
|
FastEthernet 1/0/4 |
|
192.168.13.5 |
|
255.255.255.0 |
|
192.168.9.9 |
|
|
R 2 Sydney Office |
|
Ethernet 0/1 |
|
192.168.14.5 |
|
255.255.255.0 |
|
192.168.9.9 |
IP addressing template
Activity 8: Public and Private IP addresses
Public IP address are given by the organization ISP for accessibility of World Wide Web. The organization can use the IP address share files between the two offices i.e. Brisbane office and the Sydney office. The organization can use Private IP address as unique identification of the organization devices within its network. The organization can only use public IP address so as to prevent reflection based attacks. Private IP address can used by the organization to only share files internally thus preventing unauthorized access
Network security concerns
When an organization talk of network security concerns and plans they always need to focus need rather return on investment. Second, the organization should never assume network attacks. Another security concern is that an organization should develop and roll out security strategies with every employee in the organization. Additionally, one should not be tempted to confront security concerns with a piecemeal approach rather CAC should employ the use of a single and unified strategy which protects the whole network. Also, CAC should find balance between usability and security. This means that the more secure network the more it might be difficult to use. Lastly, CAC should develop a network plan which addresses acceptable policy, antivirus policy, remote access policy, identity policy, and password and encryption policies.
Risk controls
One of highest network risk is lack of a business continuity plan. When assets and devastated or when a disaster occurs, the company can go out of business. Second lack of insufficient polices can face high network risk example when company uses company facilities and email for personal matters, CAC company can pose security to the organization information. Lastly, making unauthorized change controls can affect the stability of a company.
The appropriate controls with network risks are having a well-raid business continuity plan and sufficient policies that govern the usage of company resources. Additionally, changes must be made in an authorized manner (Claise & Wolter, 2014).
Future network recommendations
When designing of an organization network which satisfies the need of large organization such as CAC, the design or the plan is more likely to be successful if a hierarchical design model is implemented. Compared to other topologies a hierarchical design is very manage, expand and one can be able to solve network problems quickly.
When implementing hierarchical it involves diving the network into three layers which are Access, distribution, and core layer. To upgrade the current cable design in future, I propose for Passive Optical Design (PON). This is a technology which involves using optical splitters to divide a single optical connection with an aim of serving multiple endpoints
Considering the network needs highlighted above, one can pass a single fiber from an Optical Line Terminal port in the main communication room in each floor and then split it off using 1:11 splitter using 11 different connections each into the 10 different connection. (Each connection holds 10 users) with an added one in case of expansion.
References
Claise, B. & Wolter, R., 2014. Network management. 2nd ed. Indianapolis: Cisco Press.
Gardner, J. P., 2016. Computer science. 1st ed. New York: Mason Crest.
Huang, S. C. -H., 2014. Network security. s.l.:Springer.
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