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CompTIA Security+ > Architecture and Design > Flashcards

Architecture and Design Flashcards

CompTIA Security +

1
Q

HVT

A

High Value Token (online credit card number)

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2
Q

DRM

A

Digital Rights Management

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3
Q

SSL/TLS Injection

A

Man in the Middle Attack

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4
Q

DNS Sinkhole

A

DNS Server that supplies fake results. Can be used to capture bad bots and also used by malicious actors.

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5
Q

Transit Gateway

A

Connects cloud to on prem

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6
Q

FAR

A

False Acceptance rate for authentication

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7
Q

FRR

A

False Rejection rate for authentication

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8
Q

CER

A

When FRR and FAR are equal to each other

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9
Q

PIV

A

Personal Identification Verification Card

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10
Q

TOTP

A

Timed One Time Password

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11
Q

HOTP

A

HMAC Based one time password

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12
Q

Identification

A

Who you are such as a username

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13
Q

Authentication

A

Prooving who you are with password, MFA, etc

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14
Q

Authorization

A

What you are allowed to access once you’ve identified yourself and authenticated.

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15
Q

RAID

A

Redundant Array of Inexpensive Disks (On prem shit). Data is mirrored across disks.

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16
Q

Parity

A

Parity is a calculated value that’s used to restore data from the other drives if one of the drives in the set fails.

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17
Q

Striping

A

Splitting the data between disks.

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18
Q

RAID 0

A

Disk Striping - Not Fault Tolerant. Losing one disk would lose them all. Single tower with things split.

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19
Q

RAID 1

A

Has mirroring. Basically 2 AZ’s mirrored. Think two stacks of discs going back and forth.

20
Q

RAID 5

A

Disk striping with parity. 5 towers of disks. The parity algorithm (backup?) lives on a different level in each stack.

21
Q

RAID 6

A

Disk Striping with double parity.

22
Q

RAID 10

A

Disk Striping that is mirrored

23
Q

HBA

A

Host Bus Adapter (like a NIC for fibre channel connectivity)

24
Q

UPS

A

Uninterruptable Power Supply (Battery Backup)

25
Q

Dual Supply

A

Power is supplied by two independent sources in case one goes down.

26
Q

PDUs

A

Managed Power Distribution Units (hardcore surge protector)

27
Q

RPO

A

Recovery Point Objective for data recovery

28
Q

RTO

A

Recovery Time Objective for data recovery

29
Q

Differential Backup

A

Only data changes from last full backup. Each time the backup will get bigger.
Such as a full backup was done on Sunday. Monday will be the diff between Sunday and Monday. Tuesday would be the diff between Sunday and Tuesday. It doesn’t care that you did a diff the day before.

30
Q

Incremental Backup

A

Only changes from the last incremental backup. So if done daily, basically a diff of the day. This is confusing. Look at the pictures again. A diff will be bigger each day cause its basing it off the full backup whenever that was. This one will be like you took a backup Monday so I’ll only do changes from Monday to Tuesday. On Wednedsay I’m only going to do changes from Tuesday to Wednesday.

31
Q

High Availability

A

Datacenters should be no further than 30-50 miles apart.

32
Q

Clustering

A

For redundancy, multiple servers working like they are one.

33
Q

Hot Spares

A

Discs that data is copied over to that aren’t used and ready to be turned on if everything goes to hell.

34
Q

FPGA

A

Field Programmable Gate Array - Integrated circuit to be programmed after manufacturing.

35
Q

Arduino

A

Single board microcontroller - are designed for very specific functions vs a raspberry pi which is fully functional.

36
Q

SCADA

A

Supervisory Control and Data Acquisition - refers to centralized systems which monitor and control entire sites or things spread out over areas. Think a lot of infrastructure like water utilities or nuclear facilities.

37
Q

RTU

A

Remote Terminal Unit - Connect to sensors that convert the sensor info to digital data (like servers)

38
Q

PLC

A

Programmable Logic Controller - Similar to RTUs but more versatile and economical

39
Q

HMI

A

Human Machine Interface - Presents data to the people

40
Q

MTU

A

Master Terminal Unit - Sends instructions and accepts input from various RTU or PLC devices.

41
Q

PSTN Network

A

Old VOIP network, Public Switch Telephone Network, circuit based.

42
Q

PBX System

A

New VoIP system which are packet based.

43
Q

VoIP

A
44
Q

MGCP

A

Media Gateway Control Protocol, used for VoIP

45
Q

SIP protocol

A
46
Q

H.323 protocol

A

CompTIA Security+ (7 decks)

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