CCNA 7.5: Perform device maintenance
7.5.a Cisco IOS upgrades and recovery (SCP, FTP, TFTP, and MD5 verify) 7.5.b Password recovery and configuration register 7.5.c File system management
7.5.a Cisco IOS upgrades and recovery (SCP, FTP, TFTP, and MD5 verify) 7.5.b Password recovery and configuration register 7.5.c File system management