R

radio spectrum, 173-174

radio waves, 171-172

RAID (Redundant Array of Inexpensive Disks), 251-252

range of wireless networks, 175-176

Read & Execute permission, 253

Read Extended Attributes permission, 254

Read permission, 253

Read Permissions permission, 254

remote access/VPN server, 154

removing

files, 375

user accounts, 247

repeaters, 101-103

reservations, 123

resetting passwords, 245-246

resources

local resources, 21-22

network resources, 21-23, 29-30

sharing, 12

restarting

computer, 280, 285-287

Linux networking services, 354-355

network server, 280, 285, 288-290

network services, 287-288

servers, 374-375

ring topology, 82

RJ-45 connectors, 91-92

roaming, 179-180

route command, 233

routers, 104-105, 191, 394

routing, 394