Defence And Couter Parts Fill In

Front 1

An IPv4 Class A address uses ____ bits for the network portion of the address and ____ bits for the host portion.

Back 1

8.24

Front 2

IPv6 addresses are ____ bits.

Back 2

128

Front 3

Which of the following is true about asymmetric cryptography?

Back 3

the public key is used to encrypt a message sent to the private key owner

Front 4

What is considered to be one of the biggest weaknesses of WEP?

Back 4

24-bit initialization vector

Front 5

Which wireless networking standard uses the 2.4 GHz band and has a maximum bandwidth of 54 MBps?

Back 5

802.11g

Front 6

What is a Basic Service Set?

Back 6

a group of wireless devices served by a single AP

Front 7

Which of the following is the first step in the digital signature process where Mike sends a message to Sophie?

Back 7

a message digest of mikes message is calculated using a hashing algorithm

Front 8

Which of the following best describes a CRL?

Back 8

a published listing of invalid certificates

Front 9

Which of the following is true about the association process?

Back 9

a station first listens for beacons

Front 10

Which of the following is defined as the maximum departure of a wave from the undisturbed state?

Back 10

amplitude

Front 11

Which of the following types of traffic does NOT travel through routers?

Back 11

ARP requests

Front 12

Which of the following is NOT among the items of information that a CVE reference reports?

Back 12

attack signature

Front 13

Which of the following is true about wardriving?

Back 13

attackers use RF monitor mod

Front 14

What function does a RADIUS server provide to a wireless network?

Back 14

authenication

Front 15

Which type of frame advertises services or information on a wireless network?

Back 15

BEACON

Front 16

Which of the following tasks does an AP typically perform?

Back 16

bridges between the wired and wireless networ

Front 17

What is a potential problem with having too many APs in a given area?

Back 17

co-channel interference

Front 18

____ refers to preventing intentional or unintentional disclosure of communications between a sender and recipient.

Back 18

Confieentiality

Front 19

A ____ is anyone who attempts to gain access to unauthorized resources on a network, usually by finding a way to circumvent passwords, firewalls, or other protective measures.

Back 19

cracker

Front 20

The ____ in an IP packet is the part that end users see.

Back 20

data

Front 21

Which term is the measurement of the difference between two signals?

Back 21

deciper

Front 22

Which of the following is a type of cryptanalysis that applies primarily to block ciphers but can also be used against stream ciphers and hashing functions and works by examining how differences in input affect the output?

Back 22

differential

Front 23

____ are electronic documents containing an encrypted series of numerals and characters called a digital signature.

Back 23

Digital certificates

Front 24

Which management frame type is sent by a station wanting to terminate the connection?

Back 24

Disassociation

Front 25

What uses mathematical calculations to compare routes based on some measurement of distance?

Back 25

distance-vector routing protocols

Front 26

What does a measurement of +3 dB equal in power measured in mW?

Back 26

double the power

Front 27

Which RF transmission method uses an expanded redundant chipping code to transmit each bit?

Back 27

DSSS

Front 28

Which EAP protocol requires digital certificates to validate supplicants?

Back 28

Eap-TLS

Front 29

Which of the following best describes a one-way function?

Back 29

easy to compute but difficult and time consuming to reverse

Front 30

Which wireless transmission method uses a hopping code?

Back 30

FHSS

Front 31

Which of the following is true about RF transmissions?

Back 31

frequency has an inverse relationship with wavelength

Front 32

Which of the following is defined as the positive difference in amplitude between two signals?

Back 32

gain

Front 33

Which of the following is commonly used for verifying message integrity?

Back 33

hashing function

Front 34

Which of the following is true about Message Authentication Code

Back 34

he key is sent to the receiver securely

Front 35

Which component of IPsec enables computers to exchange keys to make an SA?

Back 35

IKE

Front 36

____ ensures the accuracy and consistency of information during all processing (storage, transmission, and so forth).

Back 36

Integrity

Front 37

What term is given to a device that is designed to generate radio signals, not including those from the antenna?

Back 37

intentional radiator

Front 38

Which of the following is true about IEEE 802.11i?

Back 38

it uses a symmetric block cipher for encryption

Front 39

Which of the following is performed by the MAC sublayer?

Back 39

joining the wireless by the MAC sublayer

Front 40

Which popular wireless sniffer is an IDS that is passive and undetectable in operation?

Back 40

kismet

Front 41

A ____ is a type of script that automates repetitive tasks in Microsoft Word or similar applications.

Back 41

macro

Front 42

Which of the following makes a single pass on data and generates a 128-bit hash value displayed as a 32-character hexadecimal number and is used in VPNs?

Back 42

messAGE Digest 5

Front 43

What is used to convert an analog RF signal into digital format?

Back 43

modulator

Front 44

Which binary signaling technique uses a scheme in which zero voltage represents a 0 bit and the voltage for a 1 bit does not drop back to zero before the end of the bit period?

Back 44

NRZ

Front 45

A ____ is primarily interested in blocking Web site activities through a distributed denial of service (DDoS) attack.

Back 45

packet monkey

Front 46

The term ____ refers to measures taken to physically protect a computer or other network device from theft, fire, or environmental disaster.

Back 46

Physical Security

Front 47

Which of the following is true about cryptographic primitives?

Back 47

primitives are usually not the source of security failures

Front 48

Which type of control frame does a station send to let the AP know is can transmit buffered frames?

Back 48

ps-poll

Front 49

What is a downside to using Triple DES?

Back 49

requires more processing time

Front 50

Which of the following makes routing tables more efficient

Back 50

route summarization

Front 51

Which TCP flag can be the default response to a probe on a closed port?

Back 51

rst

Front 52

____ are executable code attached to e-mail messages or downloaded files that infiltrates a system.

Back 52

Scripts

Front 53

What Cisco router command encrypts all passwords on the router?

Back 53

service password-encryption

Front 54

In which type of wireless attack does the attacker cause valid users to lose their connections by sending a forged deauthentication frame to their stations?

Back 54

session hijacking

Front 55

The ____ tells another computer which part of the IP address is the network address and which part is the host address.

Back 55

subnet mask

Front 56

Under which attack category does a UNIX Sendmail exploitation fall?

Back 56

suspicious data payload

Front 57

Which of the following is true about infrared transmissions?

Back 57

the intensity of the light pulse indicates the on or off status of each bit

Front 58

What is the most likely weak link when using asymmetric encryption for verifying message integrity and nonrepudiation?

Back 58

the source of the public keys

Front 59

Which of the following is true about encryption algorithms?

Back 59

their strength is tied to their key length

Front 60

Which of the following is true about ACL s on CIsco routers.

Back 60

there is an implicit deny any statement at the end of the ACL

Front 61

Which of the following is true about PRNGs?

Back 61

they are not completely random

Front 62

Which of the following is true about the SSID?

Back 62

they can be null

Front 63

How does the CVE standard make network security devices and tools more effective?

Back 63

they can share information about attack signatures

Front 64

An IPv4 Class A address uses ____ bits for the network portion of the address and ____ bits for the host portion.

Back 64

247.76

Front 65

IPv6 addresses are ____ bits.

Back 65

367.52

Front 66

Which of the following is true about asymmetric cryptography?

Back 66

the public key is used to encrypt a message sent to the private key owner

Front 67

What is considered to be one of the biggest weaknesses of WEP?

Back 67

24-bit initialization vector

Front 68

Which wireless networking standard uses the 2.4 GHz band and has a maximum bandwidth of 54 MBps?

Back 68

802.11g

Front 69

What is a Basic Service Set?

Back 69

a group of wireless devices served by a single AP

Front 70

Which of the following is the first step in the digital signature process where Mike sends a message to Sophie?

Back 70

a message digest of mikes message is calculated using a hashing algorithm