C
D
D pt2
D but the last 3
Bonus!!!
100

CMD

What is Command Prompt

100

DC

What is Direct Current

100

DKIM

What is DomainKeys Identified Mail

100

DRM

What is Digital Rights Management

100

MDM

What is Mobile Device Management

200

CMOS

What is Complementary Metal-Oxide Semiconductor

200

DDoS

What is Distributed Denial of Service

200

DMA

What is Direct Memory Access

200

DSL

What is Digital Subscriber Line

200

NIC

What is Network Interface Card

300

CPU

What is Central Processing Unit

300

DDR

What is Double Data Rate

300

DNS

What is Domain Name System

300

DVI

What is Digital Visual Interface

300

PIN

What is Personal Identification Number

400

CRL

What is Certificate Revocation List

400

DIMM

What is Dual Inline Memory Module 

400

DoS

What is Denial of Service

400

RAM

Random‑access Memory

500

DHCP

What is Dynamic Host Configuration Protocol

500

DMARC

What is Domain-based Message Authentication, Reporting, and Conformance

500

SMS

Short Message Service