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Nortel 920-270 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Capacity & Voice over WLAN Design | 20% | - Roaming design and latency requirements - User density and throughput planning - VoWLAN requirements and handset support |
| Topic 2: WLAN 2300 Rls. 7.0 Architecture & Components | 20% | - WLAN Management System (WMS) components - Access Points (AP) types and deployment modes - WLAN Security Switch (WSS) models and capabilities |
| Topic 3: RF Planning & Site Survey | 25% | - Site survey methodology and tools - RF principles, frequencies, channels, and power levels - Coverage planning and signal strength requirements - Obstacle mapping and interference mitigation |
| Topic 4: Network Integration & Advanced Features | 20% | - WMS planning tool usage and configuration - Mesh deployment and portal/point design - High availability and redundancy design - DHCP, VLAN, and IP addressing planning |
| Topic 5: Security & Authentication | 15% | - WPA/WPA2, TKIP, AES encryption - MAC filtering and SSID segmentation - RADIUS, EAP, and 802.1X authentication |
Nortel WLAN 2300 Rls. 7.0 Planning and Engineering Sample Questions:
The WLAN 2300 series has some basic WLAN Security. There are two types of basic security offering authentication and encryption security methods. What is a type of basic security?
- A. VPN with IPSec
- B. MAC Filters
- C. RADIUS
- D. PEAP
Correct Answer: B 🗳️
A new WLAN 2300 series customer uses a RADIUS server and has a local database on a different server. They want the RADIUS server to be used for security on the WLAN. Which database type would be compatible?
- A. EAP
- B. LDAP
- C. user-id
- D. password
Correct Answer: B 🗳️
A customer is configuring a network for voice over Wireless LAN which contains a Meridian
1 Call Server, a 2245 IP Telephony, a TFTP server, and 6120/6140 handsets. Which action regarding how voice traffic is prioritized over the WLAN is true?
- A. Use access point forwarding queues.
- B. Enable the WMM in the radio profile.
- C. Create an ACL to change the CoS value of SVP.
- D. Modify the ToS value of the packet.
Correct Answer: C 🗳️
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 has more non-overlapping channels than 802.11b.
- C. 802.11a covers more distance than 802.11b and requires fewer APs.
- D. 802.11a is better able to penetrate dense building materials than 802.11b.
Correct Answer: B 🗳️
A customer wants to install a WLAN. They are concerned about security and want to know about device-independent authentication. Which two methods would be considered a device-independent type of authentication? (Choose two.)
- A. MAC filtering
- B. biometric device
- C. smart card
- D. active directory
Correct Answer: B,C 🗳️
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