The Pairwise master key (PMK) can be derived from either PSK or MSK.
A. True
B. False
C.
D.
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A __________ is a secret key shared by the AP and a STA and installed in some fashion outside the scope of IEEE 802.11i.
A. Pre-shared key
B. Pairwise transient key
C. Master session key
D. Key conformation key
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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 –
A. The parameter b
B. A byte with value ff (11111111)
C. The parameter a
D. Counter value i
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What is ‘Len’ (desirable number of pseudorandom bits) field in the case of CCMP PTK computation?
A. 256
B. 384
C. 568
D. 298
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Nonce = PRF (Random Number, “InitCounter”, MAC || Time, Len) What is the Key ‘K’ in the above expression?
A. Initcounter
B. Random number
C. Prf
D. Time
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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)?
A. 64
B. 128
C. 256
D. 512
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HMAC SHA-1 produces a hash of length-
A. 180 bits
B. 240 bits
C. 160 bits
D. 40 bits
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In CCMP a 128-bit AES Key is used for both integrity and confidentiality. The scheme uses a ___________ bit packet number to construct a nonce to prevent __________ attacks.
A. 48, replay
B. 64, replay
C. 48, transient
D. 64, transient
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CCMP uses which block cipher mode of operation?
A. Ofb
B. Cfb
C. Ctr
D. Cbc
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The TKIP and CCMP both provide 3 services: Message Integrity, Data Confidentiality and Protected Data Transfer.
A. True
B. False
C.
D.
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Word of the Day
22 Aug
Increasingly
to an increasing extent; more and more.
تدریجی طور پر، تکثیری انداز میں

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