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ICTNWK507 Install, Operate and Troubleshoot Medium Enterprise Routers | Page 1 of 10 Version 4: February 2018 CRICOS Name: Pass Global Pty Ltd Trading as Australian Learning, Training & Education Centre Provider Code: 22034 CRICOS Code: 02926D 6. Assessment Tasks Assessment Task 1: Assessment Task VLSM Tasks Outcomes Assessed Performance Criteria: 3.1, 3.2 Addresses some elements of performance evidence and knowledge evidence as shown in the Assessment Matrix Description: Note to Trainers/Assessors: These activities should be run in the lab in conjunction with the relevant lessons. Activity schedule can accordingly be modified. Student Name: Student ID: Assessor: Date: Variable‐Length Subnet Masking (VLSM) amounts to "subnetting subnets", which means that VLSM allows network engineers to divide an IP address space into a hierarchy of subnets of different sizes, making it possible to create subnets with very different host counts without wasting large numbers of addresses (techtarget, 2014). Based on your practice activities in the lab, complete the following tasks; Task 1: You have been allocated the IP address range 20.5.5.0/24. You have to subnet this allocation using VLSM. You have the following network; LAN1 requires 20 IP addresses. LAN2 requires 40 IP addresses. LAN3 requires 50 IP addresses. R1 is connected to both LAN1 and R2. R2 is connected to R1, R3 and LAN2. R3 is connected to R2 and LAN3. Write out a VLSM subnet allocation in the following table: Network Identity Address Mask 1st Usable Address Last Usable Address Broadcast Address LAN1 LAN2 LAN3 R1 to R2 R2 to R3 ICTNWK507 Install, Operate and Troubleshoot Medium Enterprise Routers | Page 2 of 10 Version 4: February 2018 CRICOS Name: Pass Global Pty Ltd Trading as Australian Learning, Training & Education Centre Provider Code: 22034 CRICOS Code: 02926D Allocate suitable IP addresses and dotted decimal masks from your VLSM subnets for these devices: PC1 in LAN1 PC2 in LAN2 PC3 in LAN3 R1 fa0/0 in LAN1 R1 s0/0/0 connected to R2 R2 s0/0/1 connected to R1 R2 fa0/0 in LAN2 R2 s0/0/0 connected to R3 R3 s0/0/1 connected to R2 R3 fa0/0 in LAN3 Is any route summarization possible? Yes / No If Yes, provide 1. Router Name, 2. Exit Interface, 3. Summarised Address including subnet mask __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ Task 2: You have been allocated the IP address range 10.7.8.0/23. You have to subnet this allocation using VLSM. You have the following network; LAN1 requires 50 IP addresses. LAN2 requires 80 IP addresses. LAN3 requires 20 IP addresses. LAN4 requires 35 IP addresses. R1, R2 and R3 are connected to each other with three router to router links. R1 is connected to LAN1 and LAN4 R2 is connected to LAN2 R3 is connected to LAN3 Write out a VLSM subnet allocation in the following table: Network Identity Address Mask 1st Usable Address Last Usable Address Broadcast Address LAN1 LAN2 LAN3 LAN4 R1 to R2 R2 to R3 R1 to R3 ICTNWK507 Install, Operate and Troubleshoot Medium Enterprise Routers | Page 3 of 10 Version 4: February 2018 CRICOS Name: Pass Global Pty Ltd Trading as Australian Learning, Training & Education Centre Provider Code: 22034 CRICOS Code: 02926D Allocate suitable IP addresses and dotted decimal masks from your VLSM subnets for the devices on each subnet. Is any route summarisation possible? Yes / No If Yes, provide 1. Router Name, 2. Exit Interface, 3. Summarised Address including subnet mask __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ Task 3: You have been allocated the IP address range 100.23.5.0/25. You have to subnet this allocation using VLSM. You have the following network; LAN1 requires 15 IP addresses. LAN2 requires 24 IP addresses. R1 is connected to R2 and LAN1. R2 is connected to R1 and LAN2. Write out a VLSM subnet allocation in the following table: Network Identity Address Mask 1st Usable Address Last Usable Address Broadcast Address LAN1 LAN2 R1 to R2 Allocate suitable IP addresses and dotted decimal masks from your VLSM subnets for the devices on each subnet. Is any route summarization possible? Yes / No If Yes, provide 1. Router Name, 2. Exit Interface, 3. Summarised Address including subnetmask __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ ICTNWK507 Install, Operate and Troubleshoot Medium Enterprise Routers | Page 4 of 10 Version 4: February 2018 CRICOS Name: Pass Global Pty Ltd Trading as Australian Learning, Training & Education Centre Provider Code: 22034 CRICOS Code: 02926D Task 4: You have been allocated the IP address range 11.11.12.128/25. You have to subnet this allocation using VLSM. You have the following network; LAN1 requires 60 IP addresses. LAN2 requires 30 IP addresses. LAN3 requires 12 IP addresses. LAN4 requires 6 IP addresses. R1 is connected to R2, LAN1 and LAN2. R2 is connected to R1, R3 and LAN3. R3 is connected to R2 and LAN4. Write out a VLSM subnet allocation in the following table: Network Identity Address Mask 1st Usable Address Last Usable Address Broadcast Address LAN1 LAN2 LAN3 LAN4 R1 to R2 R2 to R3 Allocate suitable IP addresses and dotted decimal masks from your VLSM subnets for the devices on each subnet. Is any route summarization possible? Yes / No If Yes, provide 1. Router Name, 2. Exit Interface, 3. Summarised Address including subnetmask __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ Task 5: You have been allocated the IP address range 9.3.32.0/20. You have to subnet this allocation using VLSM. You have the following network; LAN1 requires 300 IP addresses. Hint: if a /24 network is 256 IP addresses, then how big is a /23 network? LAN2 requires 200 IP addresses. LAN3 requires 1100 IP addresses. Same hint as before. R1 is connected to R2 and LAN1. R2 is connected to R1 and LAN2. ICTNWK507 Install, Operate and Troubleshoot Medium Enterprise Routers | Page 5 of 10 Version 4: February 2018 CRICOS Name: Pass Global Pty Ltd Trading as Australian Learning, Training & Education Centre Provider Code: 22034 CRICOS Code: 02926D Write out a VLSM subnet allocation in the following table; Network Identity Address Mask 1st Usable Address Last Usable Address Broadcast Address LAN1 LAN2 LAN3 R1 to R2 Allocate suitable IP addresses and dotted decimal masks from your VLSM subnets for the devices on each subnet. Watch out for crossing past 255! If you are at 9.3.32.255 then the next IP address is 9.3.33.0. Each time you go past 255, go back to zero and add 1 in the next column. Is any route summarization possible? Yes / No If Yes, provide 1. Router Name, 2. Exit Interface, 3. Summarised Address including subnet mask __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ Assessment Criteria The following assessment criteria will be used for marking this assessment task. Ensure that you have addressed all of the criteria in your work; • Completed all the tasks as instructed • Used the lab environment to verify the required protocols and set up • VLSM subnet allocations are accurate and consistent with network design • Determine the appropriate classless addressing scheme using VLSM • Created different size subnets for different hosts • Allocated IP addresses from VLSM subnets for each subnet device • Maximised the use of addresses in creating subnets • Identified and applied summarisation to satisfy addressing requirements • Demonstrated the ability to apply addressing schemes to a network • Used appropriate routing protocols to use VLSM • Completed all the subnet allocation tables and allocated IP addresses Submission Guidelines Submit; • Complete task sheets Electronic versions of the assessment task and email/electronic submission arrangements are at further discretion of the trainer/assessor. ICTNWK507 Install, Operate and Troubleshoot Medium Enterprise Routers | Page 6 of 10 Version 4: February 2018 CRICOS Name: Pass Global Pty Ltd Trading as Australian Learning, Training & Education Centre Provider Code: 22034 CRICOS Code: 02926D Assessment Task 2: Assessment Task Develop a Router Installation Plan Outcomes Assessed Performance Criteria: 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 2.1, 2.2 Addresses some elements of performance evidence and knowledge evidence as shown in the Assessment Matrix Description: In business enterprises or educational institutions, routers are typically used to connect two or more subnets, each with a different sub‐network address. Routers may provide connectivity within enterprises, between enterprises and the Internet, or between internet service providers' (ISPs) networks; and are available in various sizes. In this scenario‐based task, you will assume the role of an IT Network Administrator working in an IT consulting firm. The firm provides network design,