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Free CWNP Certified Wireless Security Professional (CWSP) CWSP-208 Exam Questions

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Question 1

In order to acquire credentials of a valid user on a public hot-spot network, what attacks may be conducted? Choose the single completely correct answer.

Correct Answer: A. Social engineering and/or eavesdropping

Question 2

When implementing a WPA2-Enterprise security solution, what protocol must the selected RADIUS server support?

Correct Answer: C. EAP

Question 3

While seeking the source of interference on channel 11 in your 802.11n WLAN running within 2.4 GHz, you notice a signal in the spectrum analyzer real time FFT display. The signal is characterized with the greatest strength utilizing only 1-2 megahertz of bandwidth and it does not use significantly more bandwidth until it has weakened by roughly 20 dB. At approximately -70 dB, it spreads across as much as 35 megahertz of bandwidth.

What kind of signal is described?

Correct Answer: A. A high-power, narrowband signal

Question 4

What policy would help mitigate the impact of peer-to-peer attacks against wireless-enabled corporate laptop computers when the laptops are also used on public access networks such as wireless hot-spots?

Correct Answer: C. Require VPN software for connectivity to the corporate network.

Question 5

Which one of the following describes the correct hierarchy of 802.1X authentication key derivation?

Correct Answer: A. The MSK is generated from the 802.1X/EAP authentication. The PMK is derived from the MSK. The PTK is derived from the PMK, and the keys used for actual data encryption are a part of the PTK.

Question 6

Joe's new laptop is experiencing difficulty connecting to ABC Company's 802.11 WLAN using 802.1X/EAP PEAPv0. The company's wireless network administrator assured Joe that his laptop was authorized in the WIPS management console for connectivity to ABC's network before it was given to him. The WIPS termination policy includes alarms for rogue stations, roque APs, DoS attacks and unauthorized roaming.

What is a likely reason that Joe cannot connect to the network?

Correct Answer: A. Joe disabled his laptop's integrated 802.11 radio and is using a personal PC card radio with a different chipset, drivers, and client utilities.

Question 7

Given: A WLAN protocol analyzer trace reveals the following sequence of frames (excluding the ACK frames):

1) 802.11 Probe Req and 802.11 Probe Rsp

2) 802.11 Auth and then another 802.11 Auth

3) 802.11 Assoc Req and 802.11 Assoc Rsp

4) EAPOL-KEY

5) EAPOL-KEY

6) EAPOL-KEY

7) EAPOL-KEY

What security mechanism is being used on the WLAN?

Correct Answer: B. WPA2-Personal

Question 8

Given: Your company has just completed installation of an IEEE 802.11 WLAN controller with 20 controller-based APs. The CSO has specified PEAPv0/EAP-MSCHAPv2 as the only authorized WLAN authentication mechanism. Since an LDAP-compliant user database was already in use, a RADIUS server was installed and is querying authentication requests to the LDAP server.

Where must the X.509 server certificate and private key be installed in this network?

Correct Answer: E. RADIUS server

Question 9

Given: One of the security risks introduced by WPA2-Personal is an attack conducted by an authorized network user who knows the passphrase. In order to decrypt other users' traffic, the attacker must obtain certain information from the 4-way handshake of the other users.

In addition to knowing the Pairwise Master Key (PMK) and the supplicant's address (SA), what other three inputs must be collected with a protocol analyzer to recreate encryption keys? (Choose 3)

Correct Answer: A. Authenticator nonce; B. Supplicant nonce; C. Authenticator address (BSSID)

Question 10

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)

Correct Answer: B. 4-Way Handshake; F. Group Temporal Keys