Question: a. What are the equivalent subnet masks in dotted-decimal notation for the following slash-notation address blocks? [1 mark]/20 i. [1 mark] /13 ii. [1

a. What are the equivalent subnet masks in dotted-decimal notation for the following slash-notation address blocks? [1 mark]/20 i. [1 mark] /13 ii. [1 mark] /26 b. What is the maximum number of hosts that can be addressed on the following networks? [1 mark]/18 i. [1 mark]/29 ii. [1 mark] /22 c. Are the following netmasks legal? If so, what are their slash-notation forms? If not, why are they not legal? [2 marks] 255.255.240.0 i. [2 marks] 255.251.252.0 ii. [3 marks] 255.255.255.254 d. An ISP has provided your Sydney based company with the 180.9.32.0/21 network. i. Before you subnet this network provide the following details: [1 mark] The network address in dotted-decimal notation. A. [1 mark] The broadcast address in dotted-decimal notation. B. [1 mark] The netmask in dotted-decimal notation. C. [1 mark] The maximum number of hosts supported on the network. Devise a fixed-length subnetting scheme that divides the network such that each subnet can support a minimum of 90 hosts whilst ensuring the maximum possible number of subnets. You should assume that the all zero's and all one' subnets are usable. [1 mark] The new netmask in slash-notation. A. [1 mark] The new netmask in dotted-decimal notation. B. [4 marks] The network addresses for each subnet in dotted- decimal notation. C. [4 marks] The broadcast addresses for each subnet in dotted- decimal notation. D. [1 mark] The maximum number of hosts supported by each subnet. E. [2 marks] Briefly explain how you chose the size of the subnets (ie. provide working).

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