NALPAK has engaged you to design and implement an office network for a new office comprising HR executives: Introduction to Data Communications Report, TP

NALPAK has engaged you to design and implement an office network for a new office comprising HR executives (5), sales consultants (5), and accounting executives (3). The new office is to be located at Raffles Place. The HR executives are responsible for staff recruitment for the main office at Orchard Road, the consultants are responsible for job placements and the accounting function is to be relocated from the current location at Orchard Road. The new office will not exceed 25 personnel in the foreseeable future.

The network director has provided the following information and is open to recommendations for additional server/network components if required:

One Domain server: This is the network domain controller where the active directory services are installed.
One DNS and DHCP server: This server will provide both the DNS and DHCP services.
Email services are to be outsourced.
The network IP address to be used is 10.64.136.105/25.

Tasks:

Briefly discuss and justify the various transmission media that you would consider for the network at the new office. Include in the discussion why you have not considered the other media types.
Identify and justify other networking devices (routers, switches, firewalls etc) that you would need to set up the network.
Compute the network IP address, the first assignable IP address, the last assignable IP address, the broadcast IP address, and the range of assignable IP address.
Describe why the DNS service is important and how the DNS services are to be deployed in the network.
Discuss any five (5) threats faced by computer network users and what strategies might be used to prevent each of them from happening.

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