Comprehensive Exercise Questions SET B Assume that all 0 and all 1 subnets are NOT usable unless otherwise stated!!! 1- UDP Means: (a) User Datagram Protocol (b) Useless Digital Procedures (c) Ultrafast Data Packing (d) Unclear Design Principle Answer: A 2- Which one of the following statements about networks and subnets is correct? (a) 192.168.255.25 is not a legitimate address because “255” is a reserved number. (b) The address 18.104.22.168 is a class A address ant most probably it belongs to a large company. (c) A Class C address with mask 255.255.255.192 implies that subnetting is not used (d) All Class B addresses start with a number between 128 and 191 in the first byte (e) A Calss C address with mask 255.255.255.240 allows up to 6 subnets. Answer: D 3- What is the maximum number of hosts that can be used in a class B network with a subnet mask 255.255.252.0? (a) 511 (b) 1022 (c) 509 (d) 1023 (e) 510 Answer: B 4- What is the maximum number of subnets that can be used in a class A network with a subnet mask 255.255.192.0? (a) 511 (b) 1022 (c) 510 (d) 1023 (e) none of the above Answer: B
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