DEMO QUESTIONS

Q1:

What protocols allow a network administrator to securely manage the configuration of WLAN controllers and access points? (Choose 2)

A: SNMPv1

B: HTTPS

C: Telnet

D: TFTP

E: FTP

F: SSHv2

Correct Answer: B, F

Q2:

What is one advantage of using EAP-TTLS instead of EAP-TLS as an authentication mechanism in an 802.11 WLAN?

A: EAP-TTLS sends encrypted supplicant credentials to the authentication server, but EAP-TLS uses unencrypted user credentials.

B: EAP-TTLS supports client certificates, but EAP-TLS does not.

C: EAP-TTLS does not require an authentication server, but EAP-TLS does.

D: EAP-TTLS does not require the use of a certificate for each STA as authentication credentials, but EAP-TLS does.

Correct Answer: D

Q3:

Given: ABC Company has 20 employees and only needs one access point to cover their entire facility. Ten of ABC Company’s employees have laptops with radio cards capable of only WPA security. The other ten employees have laptops with radio cards capable of WPA2 security. The network administrator wishes to secure all wireless communications (broadcast and unicast) for each laptop with its strongest supported security mechanism, but does not wish to implement a RADIUS/AAA server due to complexity.

What security implementation will allow the network administrator to achieve this goal?

A: Implement an SSID with WPA2-Personal that allows both AES-CCMP and TKIP clients to connect.

B: Implement an SSID with WPA-Personal that allows both AES-CCMP and TKIP clients to connect.

C: Implement two separate SSIDs on the AP---one for WPA-Personal using TKIP and one for WPA2-Personal using AES-CCMP.

D: Implement an SSID with WPA2-Personal that sends all broadcast traffic using AES-CCMP and unicast traffic using either TKIP or AES-CCMP.

Correct Answer: C

Q4:

What drawbacks initially prevented the widespread acceptance and use of Opportunistic Key Caching (OKC)?

A: Sharing cached keys between controllers during inter-controller roaming created vulnerabilities that exposed the keys to attackers.

B: Because OKC is not defined by any standards or certification body, client support was delayed and sporadic early on.

C: Key exchanges during fast roams required processor-intensive cryptography, which was prohibitive for legacy devices supporting only TKIP.

D: The Wi-Fi Alliance continually delayed the creation of a client certification for OKC, even though it was defined by IEEE 802.11r.

Correct Answer: B

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