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Security+ Session 6 Cryptography and PKI Quiz

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

Which two of the following are key stretching algorithms?

a)

twofish

b)

bcrypt

c)

blowfish

d)

pbkdf2

2.

Which of the following is a hashing algorithm?

a)

SHA

b)

AES

c)

Diffie-Hellman

d)

ROT13

3.

MD5 is considered weak? True or False

a)

True

b)

False

4.

Which of the following is a form of Asymmetric encryption?

a)

MD5

b)

SHA

c)

DSA

d)

AES

5.

Which of the following holds expired and revoked certificates?

a)

CRL

b)

CA

c)

CSR

d)

Intermediate CA

6.

A SSL certificate format used by web servers.

a)

P7B

b)

DER

c)

PFB

d)

CER

7.

OSCP holds what?

a)

certificate status

b)

root CA

c)

revoked certificates

d)

expired certificates

8.

A PKCS #7 format file stored in Base64 ASCII format?

a)

DER

b)

CER

c)

PK12

d)

P7B

9.

A connection method that allows a user to connect to a wireless network through a PIN code or a push button on a wireless access point?

a)

WPA

b)

WPA-PSK

c)

WPS

d)

WPA-Enterprise

10.

A substitution method where numbers are shifted around by 13 numbers (A becomes N).

a)

XOR

b)

ROT13

c)

RIPEMD

d)

Obfuscation

11.

Which Asymmetric Algorithm is used for digital signatures?

a)

RSA

b)

DSA

c)

Diffe-Hellman

d)

Elliptic Curve

12.

Mode of operation that used the previous block of text to change the current block of text.

a)

CBC

b)

GCM

c)

ECB

d)

CTR

13.

Blowfish and twofish are block ciphers

a)

True

b)

False

14.

Validating a files integrity and origin is called?

a)

integrity check

b)

non repudiation

c)

md5

d)

CTR

15.

Keys that are used once?

a)

Ephemeral Keys

b)

Session Keys

c)

Secret Keys

d)

Public Keys

16.

Data being processed by a CPU or stored in RAM is called?

a)

Data at Rest

b)

Data in Use

c)

Data in transit

d)

Proprietary Data

17.

WPA is used with ...

a)

TKIP

b)

CCMP

c)

TLS

d)

SSL

18.

A mode of operation that adds a counter in the IV encryption?

a)

ECB

b)

GCM

c)

CBC

d)

CTR

19.

A mode that does encryption and integrity checks in the same function?

a)

GCM

b)

CTR

c)

ECB

d)

BCRYPT

20.

Form of Diffe-Hellman that uses Ephemeral Keys?

a)

DHE

b)

Diffe-Hellman

c)

EDCHE

d)

elliptic curve

21.

WPA2 is used with ..

a)

TKIP

b)

CCMP

c)

TLS

d)

SSL

22.

Port based authentication?

a)

EAP

b)

Captive Portal

c)

EAP-FEAST

d)

IEEE 802.1X

23.

Terms and conditions a user has to agree to before connecting to a network?

a)

EAP

b)

Captive Portal

c)

EAP-FAST

d)

IEEE 802.1X

24.

Form of EAP that requires both client and server side certificates?

a)

EAP-FAST

b)

EAP-TLS

c)

EAP-TTLS

d)

EAP-SLOW