CompTIA Core 1

Question 1

DHCP

Answer 1

Connectionless protocols/UDP
Dynamic Host Configuration Protocol

Question 2

TFTP

Answer 2

Connectionless protocols/UDP
Trivial File Transfer Protocol

Question 3

HTTPS

Answer 3

Connection-oriented protocol/TCP
Hypertext Transfer Protocol Secure

Question 4

SSH

Answer 4

Connection-oriented protocol/TCP
Secure Shell

Question 5

IP

Answer 5

Internet Protocol

Question 6

TCP

Answer 6

Transmission Control Protocol

Question 7

UDP

Answer 7

User Datagram Protocol

Question 8

PoE

Answer 8

Power over Ethernet
Ethernet cables that gives power to

Question 9

ATM

Answer 9

Asynchronous Transfer Mode

A high speed networking technology that uses fixed size cells to transmit data over asynchronous networks.

Question 10

AES

Answer 10

Advance Encryption Standard

Widely used encryption algorithm design to secure sensitive data by encrypting it with a symmetric key cipher.

Question 11

ARP

Answer 11

Address Resolution Protocol

Communication protocol used to map IP addresses to MAC address on local network.

Question 12

UAC

Answer 12

User Account Control

Security feature in Windows OS that helps prevent unauthorized changes that requires admin privileges.

Question 13

SIM

Answer 13

Subscriber Identification Module

Small card in GSM mobile devices

Question 14

WWAN

Answer 14

Wireless Wide Area-Network

Internet connectivity over a large area using cellular technology.

Question 15

RF

Answer 15

Radio Frequency

Electromagnetic frequency used for wireless communications.

Question 16

CAD

Answer 16

Computer Aided Design

Use of computer to assist in creation of a design.

Question 17

AC

Answer 17

Alternating Current

Electric current that periodically reverse directions.

Question 18

NetBIOS

Answer 18

Network Basic Input/Output System

Networking protocol suite used for communication between devices on LAN, older Windows-based network.

Question 19

TN

Answer 19

Twisted Nematic

LCD technology where you twist the crystal to see color.

Question 20

SCP

Answer 20

Secure Copy Protocol

Network protocol for securely transferring files between a local and a remote host.

Question 21

OCR

Answer 21

Optical Character Recognition

Technology converting scanned text into editable, machine readable texts.

Question 22

BYOD

Answer 22

Bring Your Own Device

Policy that allows employees to use their own personal devices.

Question 23

EMI

Answer 23

Electromagnetic Interference

Interference caused by electromagnetic radiation.

Question 24

TCP/IP

Answer 24

Transmission Control Protocol/Internet Protocol

Standard for internet communications.

Question 25

DMA

Answer 25

Direct Memory Access

Feature in PC systems that allows hardware devices to transfer data to and from PC’s memory without involving the CPU.

Question 26

SNTP

Answer 26

Simple Network Time Protocol

Synchronizes clocks of computer systems over a network.

Question 27

SSID

Answer 27

Service Set Identifier

Unique name for identifying Wi-Fi networks.

Question 28

ADF

Answer 28

Automatic Document Feeder

Allows multiple pages to be scanned or copied without manual intervention.

Question 29

NAC

Answer 29

Network Access Control

Security approach that regulates access to network resources based on predefined policies.

Question 30

ITX

Answer 30

Information Technology eXtended

Form factor for computer motherboard.

Question 31

AAA

Answer 31

Authentication, Authorization, and Accounting

Security framework used to control access to resources, authenticating users, and to track system activities.

Question 32

VM

Answer 32

Virtual Machine

Emulation of a computer system that runs as a software.

Question 33

HAV

Answer 33

Hardware Assisted Visualization

Technology that improves performance and security of virtualized environments.

Question 34

PCL

Answer 34

Printer Control Language

Page description language used for printing documents.

Question 35

SRAM

Answer 35

Static Random Access Memory

Stores data without refreshing and is faster than DRAM.