Ch. 3 - Cryptography

Question 1

Symmetric cryptography is also known as what?

Answer 1

Shared key cryptography

Question 2

What is it called that manages digital certificates?

Answer 2

Certificate Authority

Question 3

Asymmetric encryption is also referred to as what?

Answer 3

Public Key Cryptography

Question 4

What is a key word to describe hashing?

Answer 4

Non-Reversible

Question 5

A message digest is a product of which kind of algorithm?

Answer 5

Hashing

Question 6

A public and private key system differs from symmetric because it uses what?

Answer 6

Two keys

Question 7

A public key is stored on the local system by its owner in what?

Answer 7

A PKI system

Question 8

Symmetric key systems have key distribution problems due to what?

Answer 8

Number of keys

Question 9

What does hashing preserve in relation to data?

Answer 9

Integrity

Question 10

What is a common hashing protocol?

Answer 10

MD5

Question 11

Descibe PGP.

Answer 11

A way of encrypting data in a reversible method.

Question 12

What is SSL a mechanism for?

Answer 12

Securing transmitted data.

Question 13

Which system does SSL use to function?

Answer 13

PKI

Question 14

In IPSec, encryption and other processes happen at which layer of the OSI model?

Answer 14

Layer 3

Question 15

In IPSec, what does Authentication Header (AH) provide?

Answer 15

Authentication Services

Question 16

In IPSec, what does Encapsulating Security Payload (ESP) provide?

Answer 16

Data Security

Question 17

At what point can SSL be used to protect data?

Answer 17

During transmission

Question 18

What does IPSec use to function in environments of any size?

Answer 18

PKI

Question 19

Who first developed SSL?

Answer 19

Netscape

Question 20

IPSec uses which two modes

Answer 20

AH / ESP