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Nortel 920-271 Exam Syllabus Topics:

Nortel WLAN 2300 Rls.7.0 implementation and Management Sample Questions:

1. A customer wants to calculate the actual throughput for a WLAN site. The 802. 11b data rate is 11Mbps. Because of the use of back-off timers and ACKs, the throughput is reduced. Which data rate is closest to the actual throughput of this site?

A) 5.5 Mbps
B) 8.5 Mbps
C) 7.5 Mbps
D) 4.5 Mbps

2. You are preparing to deploy a WLAN, which action leaves a LAN most vulnerable to security risks?

A) connecting a WLAN 2300 security switch directly to a DMZ
B) attaching the WLAN directly to the LAN
C) using WPA as an authentication method
D) creating a DMZ on a subnet and connecting the WLAN to it

3. A customer is setting up the WLAN 2300 series to provide security. They have an existing
PKI environment in place and would like to leverage the existing environment. Which two supported authentication/encryption methods meet this requirement? (Choose two.)

A) WPA-PSK
B) EAP-MD5
C) EAP-TLS
D) PEAP-TLS

4. The WLAN 2300 series solution provides a number of security features, including the use of Temporal Key Integrity Protocol. TKIP fixes holes in the WEP security model. Which property is an advantage when using TKIP over WEP?

A) Uses 5/9s algorithm
B) MAC based filtering
C) TKIP uses a 24bit IV
D) Message Integrity Check

5. Wireless networks need to provide access to multiple devices using a shared medium.
Since wireless networks use the air as the medium, data collisions cannot be detected.
Which method is used in a WLAN network to prevent collisions?

A) CSMA/CD
B) CPDQ
C) ETSI
D) CSMA/CA

Solutions: