you have been hired as an IT expert by a small firm to set up an office for 20 s
ID: 3693785 • Letter: Y
Question
you have been hired as an IT expert by a small firm to set up an office for 20 staff members, half of whom will work with desktop computers, and the remaining with laptop computers using wireless networks. The office will use one networked laser printer accessible both from the desktop and laptop computers. The desktop computers will use a wired network, while the laptop computers will employ a wireless network to print and access the Internet.
Project Beneficiaries: Write a description of who will derive direct benefit from the project and how they will benefit.
Project Deliverables: Write a description of the computer network hardware necessary to set up the computer networks and the necessary software and protocols.
Update your project deliverables section by adding the following features:
Type of NIC (wired or wireless)
Routers or Wireless Access Points or both
Cables and connectors to implement a physical network
Any other needed network hardware
Physical and logical network topologies
IP versions (IPv4 or IPv6) and why
IP address pool for the network
DNS and DHCP
Any other network software component.
Explanation / Answer
Project Beneficiaries: all the staff members which use internet & printer.
Mainly adminitrator got the highly benifits . As if they use a single server for both wired n/w & wireless n/w . All the data go or come to /from the internet can easily be seen & managed by the admin and single server also reduced the device cost + manegerial cost.
Project Deliverables:
Type of NIC: now-a-days every computer has builtin wired/wireless nic cards , depending upon the use of the internet we can easily enable/disable these nic's . wireless driver can also easily downloaded from internet.
Routers or Wireless Access Points or both: if you want only access to the internet not routing of information . then we can use the access point otherwise use routers. in this we can use 1 router for internet connection & use 2-3 access point for wi-fi connection.
Cables and connectors to implement a physical network:
Media Type
Maximum Segment Length
Speed
Comparative Cost
Advantages
Disadvantages
UTP
100 meters
10 Mbps
100 Mbps
Least expensive
Easy to install, widely available, widely used
Susceptible to interference; can cover only a limited distance
STP
100 meters
10–100 Mbps
More expen-sive than UTP
Reduced crosstalk, less susceptible to EMI than UTP or Thinnet
Difficult to work with; can cover only a limited distance
Coaxial
500 meters (Thicknet)
185 meters (Thinnet)
10–100 Mbps
Relatively inexpensive, but more costly than UTP
Less susceptible to EMI than other types of copper media
Difficult to work with (Thicknet); limited bandwidth; limited application (Thinnet); damage to cable can bring down entire network
Media Type
Maximum Segment Length
Speed
Comparative Cost
Advantages
Disadvantages
Coaxial
500 meters (Thicknet)
185 meters (Thinnet)
10–100 Mbps
Relatively inexpensive, but more costly than UTP
Less susceptible to EMI than other types of copper media
Difficult to work with (Thicknet); limited bandwidth; limited application (Thinnet); damage to cable can bring down entire network
Fiber-optic
3 km and further (single-mode)
2 km and further (multimode)
10–1000 Mbps (single-mode)
100 Mbps–9.92 Gbps (multimode)
Expensive
Cannot be tapped easily, so security is better; can be used over great distances; not susceptible to EMI; higher data rate than coaxial and twisted-pair
Difficult to terminate
Wireless
50 km—global
1–54 Mbps
Expensive
Does not require installation of media
Susceptible to atmospheric conditions
RJ-45 is a 8-position, 8-conductor modular connector that is most often used for data networks such as Ethernet. RJ-45 connectors are physically wider than the RJ-11/12 connectors used for telephone. In network applications, RJ-45 cable assemblies are used to connect from a patch panel to a network switch, and also to connect a computer's NIC to a data port.
Any other needed network hardware: use 24 port switch if you want to use the vlan.
Physical and logical network topologies: in wireless we consider only star topology(for client to ap) . For ap to ap (share n/w)we use bus topology. Ethernet is a logical bus topology in a physical star topology layout.
IP versions (IPv4 or IPv6) and why: use ipv4 for limited users.
IP address pool for the network: use subnet mask 255.255.255.0. for 20 users.
DNS and DHCP: google as dns server or gateway ip as dns. for 20 users we can use either static or dynamic ip(dhcp).
Any other network software component. does not needed.
Media Type
Maximum Segment Length
Speed
Comparative Cost
Advantages
Disadvantages
UTP
100 meters
10 Mbps
100 Mbps
Least expensive
Easy to install, widely available, widely used
Susceptible to interference; can cover only a limited distance
STP
100 meters
10–100 Mbps
More expen-sive than UTP
Reduced crosstalk, less susceptible to EMI than UTP or Thinnet
Difficult to work with; can cover only a limited distance
Coaxial
500 meters (Thicknet)
185 meters (Thinnet)
10–100 Mbps
Relatively inexpensive, but more costly than UTP
Less susceptible to EMI than other types of copper media
Difficult to work with (Thicknet); limited bandwidth; limited application (Thinnet); damage to cable can bring down entire network
Media Type
Maximum Segment Length
Speed
Comparative Cost
Advantages
Disadvantages
Coaxial
500 meters (Thicknet)
185 meters (Thinnet)
10–100 Mbps
Relatively inexpensive, but more costly than UTP
Less susceptible to EMI than other types of copper media
Difficult to work with (Thicknet); limited bandwidth; limited application (Thinnet); damage to cable can bring down entire network
Fiber-optic
3 km and further (single-mode)
2 km and further (multimode)
10–1000 Mbps (single-mode)
100 Mbps–9.92 Gbps (multimode)
Expensive
Cannot be tapped easily, so security is better; can be used over great distances; not susceptible to EMI; higher data rate than coaxial and twisted-pair
Difficult to terminate
Wireless
50 km—global
1–54 Mbps
Expensive
Does not require installation of media
Susceptible to atmospheric conditions
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