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Nortel 920-271 Exam Syllabus Topics:

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

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

2. A 128-bit Wired Equivalent Privacy (WEP) is a shared key authentication system that means the client machine and Access Point share the same key. Which vulnerability is inherent with this type of security scheme?

A) Any WEP enabled device transmitting OTA unencrypted makes the WLAN vulnerable.
B) A static WEP key can be compromised if a hacker can gather enough transmitted packet information.
C) The open architecture of the WEP security scheme leaves it vulnerable to hackers.
D) The WEP security model is open to impersonation type hacking, by replication of MAC addresses, usernames, and passwords.

3. The WLAN Management System offers a choice of encryption and cipher schemes. What is an advantage of a Wi-Fi Protected Access (WPA) enabled system?

A) It allows authentication to be decentralized from a RADIUS server.
B) It virtually eliminates Man-in-the-Middle Attacks.
C) It uses MAC filters and addresses.
D) It supports a stronger user authentication with 802.1x and EAP.

4. 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) CPDQ
B) ETSI
C) CSMA/CD
D) CSMA/CA

5. Nortel WLAN 2300 series has numerous options for monitoring the Wireless LAN. There are also multiple utilities used to monitor and troubleshoot the current status of wireless devices. Which procedure gives the most detail for a single Wireless Security Switch
(WSS)?

A) the show command executed from the command line interface
B) client monitor inside WMS 2300
C) status summary inside WMS 2300
D) the trace command executed from the command line interface

Solutions: