CCNA Exam Cram[tm] 2 (Exams 640-821, 640-811, 640-801)
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UDP TCP/IP and upgrading IOS software backing up current 2nd 3rd 4th 5th copying to router from TFTP server 2nd 3rd 4th upper layers (OSI model) user mode (routers) 2nd users VLANs assigning to
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