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( iii ) You have been approached by UGCS to configure Multilink PPP on their new two ISR routers located at Main Campus and City
iii You have been approached by UGCS to configure Multilink PPP on their new two ISR routers located at Main Campus and City Campus to enable them connect the campuses together. The figure below shows the routers and interfaces to be configured. Write down the set of cisco IOS commands required on each router to setup the Multilink PPP
D
i State the characteristics of a good polynomial generator of cyclic codes
ii Find the suitability of the following generators in relation to burst errors of different lengths.
a x b x x x c x x x
E The TCPIP protocol suit is identified by four logical layers. State the four layers and briefly explain the role of each layer in packet transmission. Also, with the aid of diagrams describe the functions of each field in the PDUs at each of the layers.
SECTION B
Answer ALL Questions in this Section Marks
You have been hired by a reputable mining company in Ghana to design and implement their enterprise network infrastructure. The companys operation centres are located at Takwa Nsuta, Takoradi port and Accra. The mining activities is centred at Takwa Nsuta as the key operation centre with work force number up to The two branch offices in Accra and Takoradi Port houses only few administrative staff numbering not more than each.
The Takwa Nsuta site contains buildings; Administration Block, Mining Engineering Block, Environmental Block and Workshop Block. The Network Operations Centre and the Server Farm are located at the basement of the Administration Block. The distances between the Admin Block and the other buildings have been found to be not less meters. You have been inform by the IT Manager that the equipment listed below have been procured for the project. For a start, each block at Nsuta will house daisychained series switches. You have also been provided with the DLCI numbers and IP address received from the ISP for sitetosite interconnections over framerelay WAN switching technology.
The LANs at Accra and Takoradi Port branches are not to be segmented since the number of users are not more than Each of the sites will have of the series switches.
Table Network equipment provided
Device Model Qty Remarks
Router ISR To be used for interbranch connectivity over framerelay
Multilayer Switch PS Core switch to be installed at Nsuta NOC to provide intervlan routing among the configured VLANs
L Switch
DHCP Server Server To provide DHCP services at Nsuta LAN
Cable Fibre Boxes To be used for connect interblock backbone connections
Cable UTP Cat Boxes To be used as access cables for users
Cable Serial Cables Boxes To be used for WAN connection over framerelay
Table ISP Information for WAN access
Location DLCI
Takwa Nsuta,
Takoradi port
Accra
Network Access Address
Table VLANs to be implemented at TakwaNsuta
Vlan Number Vlan Name Expected No of computers to be deployed Access Ports for each switch
Mining Engineers First
Administrative Staff Next
Environmental Scientist Next
Biometric Time and Attendance Machine Next
Managers Next
Wifi Users Next
a Use cisco packet tracer to design and implement the network physical topology connecting all the branches together over a framerelay technology Note: Using the appropriate cable type for each connection will attract more marks
b You are required to secure all the Routers and Switches and allow SSH remote log on to them for management. Note: all passwords used in the network should be cisco, and use the network address to assign IP addresses to switches
c Use the information provided in Table to configure serial links over framerelay. Use subinterfaces to avoid splithorizon problem. Use VLSM to efficiently distribute the network address provided.
d The multilayer switch at Nsuta should be configured as the VTP server of the switched network with VLANs indicated in the Table Use the VTP information VTP domain name cisco and VTP password cisco to complete the configuration of your all the switches at Nsuta. Configure the access ports for each switch as indicated Table
e Configure the multilayer switch to allow intervlan routing among the VLANs.
f Define DHCP pools for all the VLANs in the DHCP server to allow automatic IP address allocations to users.
g Configure all the routers at the branches to operate with OSPF and advertise the appropriate networks.
TAKWANSUTA SITE PHYSICAL TOPOLOGY
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