Part A: Background Located in Mississauga the Hegelberg Dairy Headquarters (HQ) was established in 2005 by Dr. Joseph He

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Part A: Background
Located in Mississauga the Hegelberg Dairy Headquarters (HQ) wasestablished in 2005 by Dr. Joseph Hegelberg and his daughter NinaHegelberg, a Ryerson graduate student in Bio-Engineering.
The company produces a wide range of dairy products (milk,yogurt, cheese, butter, ice cream) and non-dairy products such asorange juice.
The company’s cheese products, Gouda and Edam, and the Ice creamproduct named Hegel-Ice are among the most popular products sold inOntario and other parts of the country. The company later expandedby opening two other production facilities in Oshawa andMontreal.
Each location consists of six departments: Production, Sales& Marketing, Accounting & Finance, HR, Administration, andLogistics.
In addition to the above departments, HQ has a unique ITdepartment responsible for IT services for all locations. The ITmanager is a BTM graduate from Ryerson. And here is theorganizational chart for each location:
HQ: This facility consists of four floors: The first floor isthe Production (100 employees) department. In second floordepartments such as Sales & Marketing (20 employees),Accounting & Finance (20 employees), HR (10 employees), andLogistics (15 employees) are located.
The third floor is dedicated to offices for Joseph Hegelberg(President), Nina Hegelberg (Vice President), and six other seniormanagers: Production, Sales & Marketing, Accounting &Finance, HR, Logistics, and IT, including a big boardroom formeetings and video conferences.
The IT department (20 employees) occupies the entire fourthfloor. This floor is the location of the main servers, DMZ, mainnetwork printing, and LAN/WAN connectivity devices. All floors areconnected through a fiber optic backbone cable with a speed of3Gb/s. Each floor is connected to the backbone cable through ahigh-speed switch in star topology fashion (IEEE 802.3).
The entire third floor is networked through wireless 802.11gtechnology using three access point devices connected to thebackbone cable via a switch. All employees on this floor have theirlaptops and wireless printers.
Also, there are network-attached fax-copier-printer (combined)for floors 1-3. As mentioned above the IT department has the fastedand largest network-attached printer.
Except for the production and administration departments, eachemployee has his/her desktop computer. Note: the Admin people havetheir laptop computers which they carry every day to the work.Also, in the production area, there are 10 mobile wireless laptopsconnected via 802.11g for controlling the production lines.
XYZ-Bank is the main financial institution that processes allmajor transactions for Hegelberg Dairy Inc.
The Oshawa and Montreal facilities consist of two main floors(in each location), the first floor is production (40 employees)and the second floor is dedicated to offices for six otherdepartments:
Sales & Marketing (8 employees), Accounting & Finance (8employees), HR (4 employees), Logistics (5 employees), andadministration (5 employees). The two floors for each location areconnected through a fiber optic cable with a speed of 1Gb/s.
Each employee has his/her desktop computer. On each floor, thereis a network-attached printer. In the production department, thereare 5 mobile laptop computers (in each location: Oshawa andMontreal) for controlling the production lines. These WiFi laptopsare connected through 802.11g.
6) Provide secure Web as well as email services to allemployees, suppliers, and other stakeholders. Place these serversalong with the other related servers (e.g., VPN server) in a DMZarea. Note: The DMZ is connected to the Internet through afirewall