CH12 Wireless Networking

Question 1

WEP uses how ___bits and __algorithm

Answer 1

40-128, RC4

Question 2

802.11X is ___

Answer 2

Remote authentication dial-in user service(RADIUS)

Question 3

what does RADIUS provide?

Answer 3

authorization, centralized access, and accounting supervision(AAA).

Question 4

802.11i is what?

Answer 4

Temporal key integrity protocol(TKIP)

Question 5

WPA is used with what?

Answer 5

TKIP

Question 6

WPA2 is used with what?

Answer 6

AES and CCMP

Question 7

Extensible Authentication protocol-transport layer security(EAP-TLS) requires a ___

Answer 7

PKI(public key infrastructure)

Question 8

what is PKI?

Answer 8

A system that links users to public keys and verifies a user’s identity by using a certificate authority(CA).

Question 9

AN entire security system that establishes a user’s identity when the first log on to a system is ____

Answer 9

Kerberos

Question 10

AAAA & AAA is used with___ & ____

Answer 10

TACACS+, and RADIUS

Question 11

___ is an authentication and accounting service that’s used for verifying users over various types of links

Answer 11

RADIUS

Question 12

True or false TACACS+ uses TCP

Answer 12

True

Question 13

True or false RADIUS uses UDP

Answer 13

True

Question 14

What separates user authentication and authorization into two profiles?

Answer 14

TACACS+

Question 15

True or False TACACS+ is compatible with TACACS

Answer 15

False

Question 16

___ combines phone network with IP data traffic and video traffic

Answer 16

Unified Voice Services.

It takes voice and video information and encapsulates it within IP packets to be transmitted on the data network.

Question 17

Network controllers are referred to a____

Answer 17

NIC

Question 18

___ is a method of securing network hosts before they are allowed to access a network

Answer 18

Network Access Controllers(NAC)

Question 19

NACs are commonly found with___ _____& the most common form of a NAC is used with IEE____

Answer 19

Wireless networking, 802.1x

Question 20

An encryption protocol that is more secure then PAP

Answer 20

CHAP

Question 21

CHAP uses what hash

Answer 21

MD5

Question 22

CHAP uses what to verify the identity of a peer?

Answer 22

Three way handshake

Question 23

What is MS-CHAP

Answer 23

Microsoft’s version of CHAP

Question 24

Extensible Authentication Protocol(EAP) is?

Answer 24

An extension of PPP that provides a host of additional authentication methods for remote-access clients.

Question 25

Some examples of EAP include

Answer 25

Smart cards, certificates, Kerberos, bio-metric scanners.

Question 26

How does MD5 hash work?

Answer 26

Created from a clear text and then sent along with the clear text message. At the other end a second hash of clear text data is created. If the two hashes match data is deemed unchanged.

Question 27

MD5 hash value is __bits

Answer 27

128

Question 28

SHA-1 is __bit digest

Answer 28

160

Question 29

SHA-2 uses ___bit digest

Answer 29

512

Question 30

A count of the number of bits in a transmission unit that is included with the unit so that the receiver can see if the same number of bits arrived is known as a _____

Answer 30

Checksum

Question 31

True or false TCP and UDP both provide a checksum count and verification

Answer 31

True

Question 32

IPSec does what to IP packets?

Answer 32

Protects, encrypts, and provides data integrity to individual packets.

Question 33

IPSec is usually used with____ VPNs

Answer 33

Site to site VPNs

Question 34

RAS server is what? and what can it do?

Answer 34

A combination of dial-up and VPN servers that can accept multiple client connections. It can also terminate client VPN tunnels and route client traffic into the private network.