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Comp TIA certification

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Comp TIA certification

NickP2012
Hi all I am only a year old in this IT field and got my A+ certification last month. I am going on to my network+ and want to know because I am not that good with subnetting,is there any subnetting problems on the exam. I know class A,B,C and all subnet mask. I have study all the 802.11 speeds,and 802.3 speeds. I also know alot of port like SMTP,HTTP,DNS,DHCP. Just want to know what else I need to study and if subnetting is on the exam.
Thank you,
Nick

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