Tough Network Security Questions/ — Test 1
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Question 1
HMAC SHA-1 produces a hash of length-
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Question 2
In the IEEE 802.11i PRF, a nonce is generated by the following expression – nonce = PRF (Random Number, “InitCounter”, MAC || Time, Len) What is the value of the ‘Len’ (desirable number of pseudorandom bits)?
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Question 3
Nonce = PRF (Random Number, “InitCounter”, MAC || Time, Len) What is the Key ‘K’ in the above expression?
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Question 4
What is ‘Len’ (desirable number of pseudorandom bits) field in the case of CCMP PTK computation?
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Question 5
The message input to the IEEE 802.11 pseudorandom Function consists of 4 items concatenated together. Which of the following option is not a part of this message input –
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Question 6
A __________ is a secret key shared by the AP and a STA and installed in some fashion outside the scope of IEEE 802.11i.
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Question 7
The Pairwise master key (PMK) can be derived from either PSK or MSK.
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Question 8
The pairwise transient key (PTK) is derived from –
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Question 9
The pairwise transient key (PTK) consists of ______________ keys.
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