CWSP-208の無料問題集（122題）、CWSP-208認定試験参考書

CWNP CWSP-208 問題集

試験コード：CWSP-208

試験名称：Certified Wireless Security Professional (CWSP)

最近更新時間：2025-07-06

問題と解答：全122問

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質問 1：
What drawbacks initially prevented the widespread acceptance and use of Opportunistic Key Caching (OKC)?
A. Key exchanges during fast roams required processor-intensive cryptography, which was prohibitive for legacy devices supporting only TKIP.
B. The Wi-Fi Alliance continually delayed the creation of a client certification for OKC, even though it was defined by IEEE 802.11r.
C. Sharing cached keys between controllers during inter-controller roaming created vulnerabilities that exposed the keys to attackers.
D. Because OKC is not defined by any standards or certification body, client support was delayed and sporadic early on.
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 2：
After completing the installation of a new overlay WIPS for the purpose of rogue detection and security monitoring at your corporate headquarters, what baseline function MUST be performed in order to identify security threats?
A. Upstream and downstream throughput thresholds must be specified to ensure that service-level agreements are being met.
B. WLAN devices that are discovered must be classified (rogue, authorized, neighbor, etc.) and a WLAN policy must define how to classify new devices.
C. Separate security profiles must be defined for network operation in different regulatory domains
D. Authorized PEAP usernames must be added to the WIPS server's user database.
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 3：
In the IEEE 802.11-2012 standard, what is the purpose of the 802.1X Uncontrolled Port?
A. To block unencrypted user traffic after a 4-Way Handshake completes
B. To allow only authentication frames to flow between the Supplicant and Authentication Server
C. To pass general data traffic after the completion of 802.11 authentication and key management
D. To block authentication traffic until the 4-Way Handshake completes
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 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?
A. Require WPA2-Enterprise as the minimal WLAN security solution.
B. Require VPN software for connectivity to the corporate network.
C. Require Port Address Translation (PAT) on each laptop.
D. Require secure applications such as POP, HTTP, and SSH.
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Given: Mary has just finished troubleshooting an 802.11g network performance problem using a laptop-based WLAN protocol analyzer. The wireless network implements 802.1X/PEAP and the client devices are authenticating properly. When Mary disables the WLAN protocol analyzer, configures her laptop for PEAP authentication, and then tries to connect to the wireless network, she is unsuccessful. Before using the WLAN protocol analyzer, Mary's laptop connected to the network without any problems.
What statement indicates why Mary cannot access the network from her laptop computer?
A. The nearby WIPS sensor categorized Mary's protocol analyzer adapter as a threat and is performing a deauthentication flood against her computer.
B. Mary's supplicant software is using PEAPv0/EAP-MSCHAPv2, and the access point is using PEAPv1
/EAP-GTC.
C. The PEAP client's certificate was voided when the protocol analysis software assumed control of the wireless adapter.
D. The protocol analyzer's network interface card (NIC) drivers are still loaded and do not support the version of PEAP being used.
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Given: A WLAN consultant has just finished installing a WLAN controller with 15 controller-based APs.
Two SSIDs with separate VLANs are configured for this network, and both VLANs are configured to use the same RADIUS server. The SSIDs are configured as follows:
SSID Blue - VLAN 10 - Lightweight EAP (LEAP) authentication - CCMP cipher suite SSID Red - VLAN 20 - PEAPv0/EAP-TLS authentication - TKIP cipher suite The consultant's computer can successfully authenticate and browse the Internet when using the Blue SSID.
The same computer cannot authenticate when using the Red SSID.
What is a possible cause of the problem?
A. The client does not have a proper certificate installed for the tunneled authentication within the established TLS tunnel.
B. The TKIP cipher suite is not a valid option for PEAPv0 authentication.
C. The consultant does not have a valid Kerberos ID on the Blue VLAN.
D. The Red VLAN does not use server certificate, but the client requires one.
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Given: ABC Company secures their network with WPA2-Personal authentication and AES-CCMP encryption.
What part of the 802.11 frame is always protected from eavesdroppers by this type of security?
A. All MSDU contents
B. All PPDU contents
C. All PSDU contents
D. All MPDU contents
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 8：
What 802.11 WLAN security problem is directly addressed by mutual authentication?
A. Offline dictionary attacks
B. Disassociation attacks
C. MAC spoofing
D. Weak Initialization Vectors
E. Wireless hijacking attacks
F. Weak password policies
正解：E
解説: (Topexam メンバーにのみ表示されます)

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CWNP Certified Wireless Security Professional (CWSP) 認定 CWSP-208 試験問題:

1. Given: In XYZ's small business, two autonomous 802.11ac APs and 12 client devices are in use with WPA2- Personal.
What statement about the WLAN security of this company is true?

A) An unauthorized WLAN user with a protocol analyzer can decode data frames of authorized users if he captures the BSSID, client MAC address, and a user's 4-Way Handshake.
B) A successful attack against all unicast traffic on the network would require a weak passphrase dictionary attack and the capture of the latest 4-Way Handshake for each client.
C) An unauthorized wireless client device cannot associate, but can eavesdrop on some data because WPA2-Personal does not encrypt multicast or broadcast traffic.
D) Intruders may obtain the passphrase with an offline dictionary attack and gain network access, but will be unable to decrypt the data traffic of other users.
E) Because WPA2-Personal uses Open System authentication followed by a 4-Way Handshake, hijacking attacks are easily performed.

2. When TKIP is selected as the pairwise cipher suite, what frame types may be protected with data confidentiality? (Choose 2)

A) QoS Data
B) Control
C) Robust broadcast management
D) ACK
E) Data
F) Robust unicast management

3. What 802.11 WLAN security problem is directly addressed by mutual authentication?

A) Offline dictionary attacks
B) Disassociation attacks
C) MAC spoofing
D) Weak Initialization Vectors
E) Wireless hijacking attacks
F) Weak password policies

4. In the basic 4-way handshake used in secure 802.11 networks, what is the purpose of the ANonce and SNonce? (Choose 2)

A) They are input values used in the derivation of the Pairwise Transient Key.
B) They are added together and used as the GMK, from which the GTK is derived.
C) They are used to pad Message 1 and Message 2 so each frame contains the same number of bytes.
D) They allow the participating STAs to create dynamic keys while avoiding sending unicast encryption keys across the wireless medium.
E) The IEEE 802.11 standard requires that all encrypted frames contain a nonce to serve as a Message Integrity Check (MIC).

5. Given: When the CCMP cipher suite is used for protection of data frames, 16 bytes of overhead are added to the Layer 2 frame. 8 of these bytes comprise the MIC.
What purpose does the encrypted MIC play in protecting the data frame?

A) The MIC is used as a first layer of validation to ensure that the wireless receiver does not incorrectly process corrupted signals.
B) The MIC is a random value generated during the 4-way handshake and is used for key mixing to enhance the strength of the derived PTK.
C) The MIC provides for a cryptographic integrity check against the data payload to ensure that it matches the original transmitted data.
D) The MIC is a hash computation performed by the receiver against the MAC header to detect replay attacks prior to processing the encrypted payload.

質問と回答：

質問 # 1
正解： B

質問 # 2
正解： A、E

質問 # 3
正解： E

質問 # 4
正解： A、D

質問 # 5
正解： C