Nortel 920-270 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Security & Authentication | 15% | - MAC filtering and SSID segmentation - WPA/WPA2, TKIP, AES encryption - RADIUS, EAP, and 802.1X authentication |
| Topic 2: RF Planning & Site Survey | 25% | - Obstacle mapping and interference mitigation - RF principles, frequencies, channels, and power levels - Site survey methodology and tools - Coverage planning and signal strength requirements |
| Topic 3: Capacity & Voice over WLAN Design | 20% | - VoWLAN requirements and handset support - Roaming design and latency requirements - User density and throughput planning |
| Topic 4: WLAN 2300 Rls. 7.0 Architecture & Components | 20% | - WLAN Security Switch (WSS) models and capabilities - WLAN Management System (WMS) components - Access Points (AP) types and deployment modes |
| Topic 5: Network Integration & Advanced Features | 20% | - WMS planning tool usage and configuration - High availability and redundancy design - DHCP, VLAN, and IP addressing planning - Mesh deployment and portal/point design |
Nortel WLAN 2300 Rls. 7.0 Planning and Engineering Sample Questions:
Question #1
A company is considering a Nortel Wireless solution for its single-floor open-concept office space. When determining the minimum number of access points, what is the minimum signal strength level that can be received by the wireless handset?
A. -50 dbm
B. -80 dbm
C. -70 dbm
D. -60 dbm
Question #2
A WLAN 2300 series customer wants to use robust WLAN security that is server-based.
The authentication method needs to be functional and compatible with dial-up and provide database lookup. Which security method will provide this?
A. EAP-MD5
B. TKIP
C. RADIUS
D. PEAP
Question #3
A site survey for a Wireless LAN site has been completed. Given the configuration and building materials within the facility, it is expected that a high number of access points (AP) in close proximity will be required to ensure adequate coverage. The design team is concerned with channel overlap due to the number of AP required and has determined that
802.11a will be used. Which rationale supports this choice?
A. 802.11a uses non-overlapping channels while 802.11b does not.
B. 802.11a covers more distance than 802.11b and requires fewer APs.
C. 802.11a has more non-overlapping channels than 802.11b.
D. 802.11a is better able to penetrate dense building materials than 802.11b.
Question #4
A large outdoor sports complex would like to provide free wireless internet access to the entire facility for reporters and fans to use. Which Nortel wireless topology is recommended for this application?
A. a collection of standalone access points
B. a WLAN 2300 based system
C. a Nortel 2300 system with Inter-Wireless Gateway 7250
D. a Nortel Wireless Mesh configuration
Question #5
A customer wants to enable open guest access on the WLAN. However, they do not want to allow unrestricted access to the Internet. They want to know how the capabilities of the
Wireless Management System (WMS) tool are used to control user access. Which two would you need to consider when planning a design using WMS? (Choose two.)
A. Use ACLs to determine user access.
B. Create an SSID for guest access only.
C. Use an authentication database.
D. Plan RF Coverage area.
Solutions:
| Question #1 Correct Answer: C | Question #2 Correct Answer: C | Question #3 Correct Answer: C | Question #4 Correct Answer: D | Question #5 Correct Answer: A,B |
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