CompTIA A+ Core 1 (220-1101) and Core 2 (220-1102) Cert Guide

Appendix C

Memory Tables

Chapter 1

Table 1-2 Comparison of HDD, SSD, and SSHD

Type of Hard Drive	Cost	Capacity	Speed	Reliability
HDD
SSD
SSHD

Table 1-4 SODIMM Features

Memory Type	Number of Pins	Notch Location	Notes
DDR3	67.6mm long and 30mm high
DDR4	69.6mm long and 30mm high
DDR5	69.6mm long and 30mm high

Chapter 2

Table 2-2 Common Protocols and Their Ports

Port Number(s)	Protocol	Port Type
20/21
22
23
25
53
67/68
80
110
137/139
143
161/162
389
443
445
3389

Table 2-3 PoE Standards

Name	IEEE Standard	Power Available to Powered Device (PD)	Maximum Power
PoE	____W	____W
PoE+	____W	____W