Below are statements about ARP and routing. Select all that are true.
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b) ARP can provide the MAC address of a gateway router if the router's IP
address is known.
d) ARP requests are broadcast to all hosts on a given local network.
a) A host can rely exclusively on ARP to route packets between hosts on its
local network.
TCP and UDP are purely ___________ protocols.
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b) end-to-end
,Encrypting an encryption key using a passphrase is called:
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c) key wrapping.
Sequence number
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A numerical value that's used to detect duplicate packets
What is the single most important feature of stream encryption that could prevent
reused key streams?
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a) Incorporating a nonce
Block size of AES
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128
,The following are all best practices or proper recommendations for choosing an
encryption algorithm, except:
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b) use DES if at all possible.
We have implemented volume encryption using a self-encrypting drive. Which of the
following attacks is the volume still vulnerable to? Select all that apply.
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b) Trojan BIOS intercepting the unlock code when the operator unlocks the
drive
Alice is using file encryption on her laptop. Which of the following attacks are
blocked by file encryption, instead of other techniques, like volume encryption or
access controls?
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b) Someone steals Alice's laptop.
c) Kevin gives Alice a program with a Trojan horse that steals sensitive files
from her and emails them to him.
Which of the following are valid private IP addresses? Select all that apply.
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, d) 172.30.222.111
b) 192.168.1.270
a) 10.96.16.114
What is the key size of DES
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56
We are trying to decide between a public-key and a secret-key cryptographic
solution. Which of the following criteria would encourage us to choose the secret-key
solution? Select all that apply best to secret-key cryptography.
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d) The system will always be limited to a small user community.
f) When someone loses the privilege to access the system, we must be
able to revoke their access rights immediately.
b) We are providing the service to an established user community whose
members are already identified.
Handshake protocol
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Establishes the shared secret and the keys to be used to protect SSL traffic
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b) ARP can provide the MAC address of a gateway router if the router's IP
address is known.
d) ARP requests are broadcast to all hosts on a given local network.
a) A host can rely exclusively on ARP to route packets between hosts on its
local network.
TCP and UDP are purely ___________ protocols.
Give this one a try later!
b) end-to-end
,Encrypting an encryption key using a passphrase is called:
Give this one a try later!
c) key wrapping.
Sequence number
Give this one a try later!
A numerical value that's used to detect duplicate packets
What is the single most important feature of stream encryption that could prevent
reused key streams?
Give this one a try later!
a) Incorporating a nonce
Block size of AES
Give this one a try later!
128
,The following are all best practices or proper recommendations for choosing an
encryption algorithm, except:
Give this one a try later!
b) use DES if at all possible.
We have implemented volume encryption using a self-encrypting drive. Which of the
following attacks is the volume still vulnerable to? Select all that apply.
Give this one a try later!
b) Trojan BIOS intercepting the unlock code when the operator unlocks the
drive
Alice is using file encryption on her laptop. Which of the following attacks are
blocked by file encryption, instead of other techniques, like volume encryption or
access controls?
Give this one a try later!
b) Someone steals Alice's laptop.
c) Kevin gives Alice a program with a Trojan horse that steals sensitive files
from her and emails them to him.
Which of the following are valid private IP addresses? Select all that apply.
Give this one a try later!
, d) 172.30.222.111
b) 192.168.1.270
a) 10.96.16.114
What is the key size of DES
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56
We are trying to decide between a public-key and a secret-key cryptographic
solution. Which of the following criteria would encourage us to choose the secret-key
solution? Select all that apply best to secret-key cryptography.
Give this one a try later!
d) The system will always be limited to a small user community.
f) When someone loses the privilege to access the system, we must be
able to revoke their access rights immediately.
b) We are providing the service to an established user community whose
members are already identified.
Handshake protocol
Give this one a try later!
Establishes the shared secret and the keys to be used to protect SSL traffic
