Question 1

What is the purpose of the Pairwise Transient Key (PTK) in IEEE 802.11 Authentication and Key Management?

Options :

A : The PTK is a type of master key used as an input to the GMK, which is used for encrypting multicast data frames.

B : The PTK contains keys that are used to encrypt unicast data frames that traverse the wireless medium.

C : The PTK is XOR'd with the PSK on the Authentication Server to create the AAA key.

D : The PTK is used to encrypt the Pairwise Master Key (PMK) for distribution to the 802.1X Authenticator prior to the 4-Way Handshake.

Answer: B

Question 2

Given: ABC Company is deploying an IEEE 802.11-compliant wireless security solution using 802.1X/EAP authentication. According to company policy, the security solution must prevent an eavesdropper from decrypting data frames traversing a wireless connection. What security characteristics and/or components play a role in preventing data decryption? (Choose 2)

Options :

A : Multi-factor authentication

B : 4-Way Handshake

C : PLCP Cyclic Redundancy Check (CRC)

D : Encrypted Passphrase Protocol (EPP)

E : Integrity Check Value (ICV)

F : Group Temporal Keys

Answer: B,F

Question 3

Which of the following security attacks cannot be detected by a WIPS solution of any kind? (Choose 2)

Options :

A : Rogue APs

B : DoS

C : Eavesdropping

D : Social engineering

Answer: C,D

Question 4

Given: Fred works primarily from home and public wireless hot-spots rather than commuting to the office. He frequently accesses the office network remotely from his Mac laptop using the local 802.11 WLAN. In this remote scenario, what single wireless security practice will provide the greatest security for Fred?

Options :

A : Use an IPSec VPN for connectivity to the office network

B : Use only HTTPS when agreeing to acceptable use terms on public networks

C : Use enterprise WIPS on the corporate office network

D : Use WIPS sensor software on the laptop to monitor for risks and attacks

E : Use 802.1X/PEAPv0 to connect to the corporate office network from public hot-spots

F : Use secure protocols, such as FTP, for remote file transfers.

Answer: A

Question 5

What is a primary criteria for a network to qualify as a Robust Security Network (RSN)?

Options :

A : Token cards must be used for authentication.

B : Dynamic WEP-104 encryption must be enabled.

C : WEP may not be used for encryption.

D : WPA-Personal must be supported for authentication and encryption.

E : WLAN controllers and APs must not support SSHv1.

Answer: C

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