08982917_NewHorizons

Question 1

Name one Stream Cipher

Answer 1

RC4

Question 2

IMAP Port

Answer 2

143

Question 3

Devices at Layer 3

Answer 3

Router - Makes decisions on sending PACKETS..

Can find the fastest ROUTE.

Question 4

Drawback to CBC

Answer 4

Have to go in order

Question 5

Asymmetric Examples

Answer 5

RSA (used by Web), Diffie-Hellman,

Question 6

RC4 is a ______ cipher

Answer 6

STREAM

Question 7

In Stream Cipher the bit are same size as _____

Answer 7

plain text

Question 8

Deluge System

Answer 8

Floods area - Fire suppression

Question 9

Substitution

Answer 9

Swaps out plain text.

Question 10

Transposition or Permutation does what?

Answer 10

TRANSPOSITION CIPHERS rearrange the letters of a plaintext message.

Question 11

Layer 3 (Network) data element

Answer 11

PACKET DATAGRAM

Question 12

FTP, HTTP, SMTP function at what layer

Answer 12

7 Application

Question 13

Data Element for Layer 2

Answer 13

FRAME

Question 14

Substitution and Transposition provide..

Answer 14

Confusion and Diffusion

Question 15

ARP is in layer …

Answer 15

2 Data - Assigns MAC to IP

Question 16

0-1023 are known as

Answer 16

Well known ports

Question 17

Key management should be used to:

Answer 17

Issue, 
Store , 
Backup, 
Renew, 
Revoke, 
Expire, 
Destroy

Question 18

Security Architects design based on __________

Answer 18

requirements.

Question 19

Layer 2 Tunneling protocol, occurs at what layer?

Answer 19

Layer 2 (data)

Question 20

SAG vs BROWNOUT

Answer 20

SAG short timeframe of LOW

BROWNOUT longer timeframe of low power

Question 21

Attempting to use multiple combinations of username and password. What is this attack?

Answer 21

Brute Force

Question 22

Covert Channel is _______. What types are there?

Answer 22

“Unintended” access to data.

Storage-

Timing- Observe timing and order

Question 23

PKI workflow

Answer 23

Sender requests certificate from CA
Sender gets certificate
Receiver verifies CA using CRL or OCSP
Receiver trusts Sender

Question 24

Birthday attack focuses on finding ______

Answer 24

Collisions.

Question 25

Hash - One Way

Answer 25

MD5, SHA1/2/256,

Question 26

ICMP, OSPF and IP reside at what layer?

Answer 26

Layer 3 (Network)

Question 27

IMAPs Port

Answer 27

995

Question 28

802.3 operates at which layer?

Answer 28

Layer 1 and 2, Ethernet

Question 29

Layer 3 (Network) protocols

Answer 29

IP, ICMP, RIP, OSPF

Question 30

ICS vulnerabilities

Answer 30

legacy code,

Question 31

Cipher is also known as an _______

Answer 31

algorithm

Question 32

IP is layer ..

Answer 32

3 Network

Question 33

ICS mitigation

Answer 33

Patching, design using IDS and Firewalls,

Question 34

Stream ciphers encrypt data ____ at a time

Answer 34

ONE

Question 35

TCP/IP Stack

Answer 35

Application Host to Host Networking Network Access

Question 36

What is the most commonly used and standard for Symmetric Encryption

Answer 36

AES

Question 37

Block cipher blocks in ______

Answer 37

Chunks - 64/128bit at a time.

Question 38

Stream and Block are a form _____ encryption

Answer 38

Symmetric

Question 39

Key Clustering

Answer 39

Multiple Keys work for one lock

Question 40

US Government Security Modes: Security Modes Must have these 3 things:

Answer 40

1) Mandatory Access Control environment MAC. 2) Total PHYSICAL control of COMPUTER CONSOLE. 3) Total PHYSICAL control over subject access to COMPUTER CONSOLE work space. ..

Question 41

_______ _______mode provides the most granular control over resources and users because it enforces clearances, requires need to know, and allows the processing of only single sensitivity levels. All the other levels either do not have unique need to know between users (dedicated), allow multiple levels of data processing (compartmented), or allow a wide number of users with varying clearance (multilevel).

Answer 41

System high

Question 42

Layer 2 devices?

Answer 42

Switches (layer 2 switch)

Question 43

Layer 4 (Transport) data element

Answer 43

SEGMENT

Question 44

Block Cipher Examples

Answer 44

DES, AES, Blowfish, IDEA

Question 45

UDP, TCP, SSL/TLS is what layer

Answer 45

Layer 4 Transport

Question 46

Layer 6 protocols and functions

Answer 46

Encryption, JPG, MPG, JPG

Question 47

Primary risk for sending unencrypted data on the network

Answer 47

Sniffing attack

Question 48

HTTP is what layer

Answer 48

7 Apllication

Question 49

Encryption is used for ______ , _______and ____

Answer 49

Confidentiality, Integrity and NonRepudiation

Question 50

Stream Cipher Examples

Answer 50

RC4

Question 51

Block Cipher is _______ than Stream Cipher but more secure

Answer 51

Slower

Question 52

JPG, MPG, PNG, Encryption and Compression layer ??

Answer 52

6 Presentation

Question 53

Dictionary Attack

Answer 53

Encrypts know pw's and compares the hash with your hash.

Question 54

Layer 2 (Data) protocols

Answer 54

ARP, Ethernet, L2TP

Question 55

Well Known Port #'s

Answer 55

0-1023