F

FAQs regarding exam, 576-580 FC (feasibility condition), 63 feasible distance, 63 features of RADIUS, 215 of TACACAS+ servers, 220 FEC (FastEther Channel), 31 FECN (forward explicit congestion notification), 83 fields of IP packets, 34-35 of show ip route command output, 56 of TCP packets, 41-42 file systems NTFS, 293 UNIX, 289

directories, 289-290 file attributes, modifying, 285 filtering TCP services, 322-324 firewalls, 320

Cisco IOS features, 344-345 CSPM, 299 PIX, 328

commands, 339-341 configuring, 332-337 DMZs, 330

stateful packet screening, 330-331 static routing, 337-338

flags chmod command, 289 UNIX commands, 286 Flags field (TCP packets), 42 Flash memory, 151 forwarding state (spanning tree), 31 Frame Relay, 83 frames, 22

BPDUs, 31 framing ISDN, 80

FTP (File Transfer Protocol), 53 Active mode, 115-117 Passive mode, 117-118 functionality of NetBIOS, 291

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