Security 6.6

Question 1

Plain Text

Answer 1

unencrypted message

Question 2

Cipher Text

Answer 2

an encrypted message

*Uses an algorithm to encrypt or decrypt a message.

Not encryption!!!!!!

Question 3

Data at rest

Answer 3

Data that is in some sort of persistent storage media.

Ex. whole disk, mobile device, database, file-to-folder.

Question 4

Data in transit (MOTION)

Answer 4

state when data is transmitted over a network, such as communicating with a web page vis HTTPS or sending an email.

EX. SSL/TSL, (think transport encryption)

Question 5

Mobile Device Encryption

Answer 5

100% always encrypted.

Question 6

V.P.N.

Answer 6

Virtual Private Network
connects a remote host with a internet connection to private local network.

Uses encryption and connect protocols to create a tunnel that is secure.

Question 7

What type of encryption is used by mobile applications to encrypt data in-transit?

Answer 7

Public Key Infrastructure (PKI)

Question 8

Public Key Infrastructure PKI

Answer 8

implementation of asymmetric encryption used by mobile applications for encrypting data in-transit.

(users or server computers use validation by a Digital Certificate)

Question 9

What type of threat does disk-level encryption protect against?

Answer 9

Information snooping after the theft of a laptop

Question 10

Disk-level encryption

Answer 10

technique the encrypts the entire contents of a hard drive.

disk-level encryption only protects data at-rest!!!!

Question 11

What type of network uses tunneling to encrypt data, protecting communications between two endpoints sent through a public network?

Answer 11

A Virtual Private Network (VPN)

Question 12

What option on iOS protects email and other apps’ data at-rest by using encryption?

Answer 12

The “Data Protection” option

Question 13

What type of encryption is used by mobile applications to encrypt data in-transit?

Answer 13

Public Key Infrastructure (PKI)

Question 14

A user wants to transmit a sensitive file via an unsecure method such as email. What technique would you recommend?

Answer 14

Using file-level encryption

Question 15

Fault Tolerance

Answer 15

systems that contain additional components to help avoid a “single point of failure.”

Question 16

Data Redundancy

Answer 16

Combines hard disks into an array to help avoid service unavailability due to one or more disk failings

(Redundant Array of Independent Disks)

Question 17

Network Redund

Answer 17

Uses multiplee Network cards.

(Think Network Cabling- using multiple pathways between servers, I.E. Routers