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11.7
. System Configuration Management ................................................................79
11.7.1
Backup System Configuration .................................................................79
11.7.2
Restore System Configuration.................................................................81
12
IP Addresses, Network Masks, and
Subnets ..................................................83
12.1
IP Addresses.......................................................................................................83
12.1.1
Structure of an IP address .......................................................................83
12.2
Network classes..................................................................................................84
12.3
Subnet masks.....................................................................................................85
13
Troubleshooting .....................................87
13.1
Diagnosing Problem using IP Utilities................................................................88
13.1.1
ping ...........................................................................................................88
13.1.2
nslookup ...................................................................................................89
14
Index ......................................................91