31 Days Before Your CCNA Routing & Switching Exam: A Day-By-Day Review Guide for the ICND1/CCENT (100-105), ICND2 (200-105), and CCNA (200-125) Certification Exams

Index

Symbols

* (asterisk), 165, 438

? command, 42–43

3-1-4 Rule, 92

3G connections, 388

3-tiered campus design, 24–26

4G connections, 388

10BASE-T, 21, 27, 34

10GBASE-LX4, 21

10GBASE-SX4, 21

10GBASE-T, 21

10GigE, 34

100BASE-FX, 21

100BASE-TX, 21

802.1D. See STP (Spanning Tree Protocol)

802.1x, 293–294

1000BASE-LX, 21

1000BASE-SX, 21

1000BASE-T, 21

1000BASE-TX, 21

A

A record (DNS), 365

AAA (Authentication, Authorization, and Accounting) framework, 292

AAAA record (DNS), 365

access control lists. See ACLs (access control lists)

access layer, 24

access layer switches, 14

access points, 17–19

access-list command, 336, 337–338, 375

ACI (Application Centric Infrastructures), 422–423

Acknowledgment field (TCP), 7–8

Acknowledgment packets (EIGRP), ...