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Nortel 920-270 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| WLAN 2300 Rls. 7.0 Architecture & Components | 20% | - Access Points (AP) types and deployment modes - WLAN Security Switch (WSS) models and capabilities - WLAN Management System (WMS) components |
| RF Planning & Site Survey | 25% | - Coverage planning and signal strength requirements - Site survey methodology and tools - Obstacle mapping and interference mitigation - RF principles, frequencies, channels, and power levels |
| Security & Authentication | 15% | - MAC filtering and SSID segmentation - WPA/WPA2, TKIP, AES encryption - RADIUS, EAP, and 802.1X authentication |
| Capacity & Voice over WLAN Design | 20% | - Roaming design and latency requirements - User density and throughput planning - VoWLAN requirements and handset support |
| Network Integration & Advanced Features | 20% | - High availability and redundancy design - WMS planning tool usage and configuration - DHCP, VLAN, and IP addressing planning - Mesh deployment and portal/point design |
Nortel WLAN 2300 Rls. 7.0 Planning and Engineering Sample Questions:
1. A large department store is considering a VoWIP solution to be used in all 20 store locations. The plan calls for at least one employee from each department to carry a wireless handset for voice communications and a data link to a centralized inventory database for price lookup and inventory checks. Currently the company has a robust wired network in place at all of its locations including large data links between them. How should the design specialist approach the site-to-site voice trunking solution?
A) Use the existing TDM trunking with their carrier to eliminate network congestion on the data links with the addition of IP telephones.
B) Use the excess capacity of the inter-site data links for voice over IP traffic.
C) Convince the customer to keep a wired telephone system in place at all of its locations.
D) Recommend that the customer install additional data circuits between all of its locations to accommodate the new VoWIP traffic.
2. A company is considering a Nortel Wireless solution for its single floor open concept office space. Which two factors will ensure that the maximum number of calls per access point
(AP) will not be exceeded? (Choose two.)
A) anticipated call volume per AP area
B) estimated number of wireless handsets
C) stated capacity of the AP
D) frequency band and channels being used
3. A customer is ready to push a configuration from the WLAN Management System (WMS) to the WLAN Security Switch (WSS), and notices that the Network Changes review button is active. Which action should be taken?
A) Accept network changes before continuing.
B) Review any network changes before continuing.
C) Backup and check if the WSS is wired correctly.
D) Press the deploy button to push the configuration.
4. The WLAN Security Switch (WSS) software tries 802.1X authentication with a user. The user NIC supports 802.1X but fails authentication.The WLAN Security Switch (WSS) software tries 802.1X authentication with a user. The user? NIC supports 802.1X but fails authentication. What happens next?
A) The WSS attempts last resort authentication for the requested SSI
B) The WSS denies access.
C) The WSS attempts web authentication.
D) The WSS attempts MAC authentication.
5. 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 Wireless Mesh configuration
D) a Nortel 2300 system with Inter-Wireless Gateway 7250
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A,B | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: C |
