vulnerability scanning, 426
NMS, 544 – 545
nornir, 103 – 104
northbound API, 130
northbound interfaces, SDN controllers, 530
notes (exam preparation), taking, 553
notification bots, 271
notification messages, NETCONF, 356 – 357
Nslookup, 442 – 443
NSO (Cisco), 467 , 470 – 471 , 530
architecture of, 467 , 468
CDB, 468 – 469
CLI, 471
components of, 467
model-to-model mapping, 468
ncs-netsim, 469 – 470
NETCONF, 468
RESTCONF, 471 – 473
YANG, 468 , 469
NTP, 545 – 547
numeric operations, Python, 68 – 69
O
ObjectType property (Cisco Intersight), 248
Observer software design pattern, 31 – 32
octal (base 8) systems, Python, 69
OID values, 545
OMP, 203
one-way hash (data integrity), 432
OOP, Python, 91 – 92
Open Automation, UCS Director, 241
open data models. See IETF data models
open() function, 109 – 110
OpenAPI interface (Cisco SD-WAN), 203
OpenConfig, YANG data models, 354 – 355
OpenDayLight controllers, 529