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920-133 Baystack Switching
NCSS - BayStack Switching

Exam Objectives:

Special Note
**This is an updated version of the 920-123 BayStack/Business Policy Switch (BPS) exam that will be retired in November 2004. If you have passed the 920-123 BayStack/Business Policy Switch (BPS) exam, you will not be required to take this exam. The 920-123 will still count as credit toward your BayStack/Business Policy Switch (BPS) Support Specialist certification.

Product List
BayStack 325-24T, Rls. 3.1
BayStack 420-24T, Rls. 3.1
BayStack 425-24T/48T, Rls. 3.1
BayStack 450-12F & 12/24T, Rls. 4.5
BayStack 460-24T-PWR, Rls. 3.1
Business Policy Switch (BPS), Rls. 3.1
BayStack 470-48T, Rls. 3.1
BayStack 5510-24T/48T, Rls. 4.0

BayStack Architecture
(9% of Exam)
Hardware
Define the hardware components including, physical and connectivity features of the BayStack switches (i.e., 325, 420, 425, 450, 460, BPS, 470, and 5510).

Configuration
(66% of Exam)
Configuration Tools and Interfaces

Given a BayStack switch (i.e., 325, 420, 425, 450, 460, BPS, 470, and 5510) and a configuration task (e.g., port change, VLAN membership, etc.), choose the appropriate configuration tool(s) and/or interface(s) (i.e., Console Interface [CI] Menus, Java Device Manager [JDM], Nortel Networks Command Line Interface [NNCLI], Web-based Management System Interface, QoS Wizard, and ASCII Configuration File) to perform the task.

Network Configurations
Configure BayStack 5510 switches to connect workstations, Personal Computers (PCs), and servers to each other by connecting these devices directly to the switches or by creating VLANs through the switches.
Configure BayStack 325, 420, 425, 450, BPS, and 470 switches to connect workstations, Personal Computers (PCs), and servers to each other by connecting these devices directly to the switches or by creating VLANs through the switches.
Configure BayStack 460 switches to connect servers, end users, wireless access points, Internet Telephones to each other by connecting these devices directly to the switches to provide power to these devices from these Power over Ethernet (PoE) switches.

Stack Operation
Install, configure, remove, and replace BayStack switches in pure or hybrid stacks (i.e., BayStack 420 and 425 stacks or BayStack 450, 460, BPS, and 470 stacks) with or without the fail-safe cascade feature.

Quality of Service (QoS)
Configure QoS on a BayStack 460, BPS, 470, or 5510 switch.
Prioritize inbound frames based on traffic types or shape outbound traffic on BayStack 460, BPS, 470 and 5510 switches.
Given a BayStack switch (i.e., 325, 380, 420, 425, and 450) that does not suppot QoS, determine how to prioritize frames on a given packet stream between ports.

Reliability
Configure MultiLink Trunking (MLT)/Distributed MLT or Link Aggregation Control Protocol (LACP) redundant links with or without Spanning Tree Protocol (STP) between BayStack switches (i.e., BayStack 460, BPS, and 470), and then verify link fail-over.

Virtual LANs (VLANs)
Create and configure multiple VLANs (i.e., port-based, protocol-based, or MAC SA-based) between BayStack switches.

Security
Given customer security management requirements for a BayStack switching deployment, determine the appropriate security switch and/or network access configuration.
Given customer authentication requirements for a BayStack switching deployment, determine the appropriate user Enhanced Authentication Protocol (EAP) network access and placement within the switch.

Internet Group Management Protocol (IGMP) Snooping
Configure a BayStack switch for Internet Group Management Protocol (IGMP) snooping.

System Management
(10% of Exam)
Management Tools and Interfaces
Define the roles and functions of the management tools and interfaces (i.e., Optivity Network Management System [ONMS], Optivity Switch Manager [OSM], Optivity Policy Services [OPS], Simple Network Management Protocol [SNMP], Remote Monitoring [RMON], Java Device Manager [JDM] and Port Mirroring) available on BayStack switches.

Port Mirroring
Given a BayStack switch and customer port mirroring requirements, configure port-based or address-based port mirroring on a BayStack port.

Troubleshooting
(15% of Exam)
Physical Configuration Issues
Given a physical BayStack configuration issue (e.g., port, cables, etc.), view SNMP traps, event logs, port statistics, RMON alarms, and/or LEDs to determine the root cause of the error and/or the appropriate corrective action for the switch.

Data Link Layer Issues
Given a BayStack data link layer configuration issue, view statistics, configuration settings (e.g., VLANs, Spanning Tree, port, etc.), and/or LEDs to determine the root cause of the error and/or the appropriate corrective action for the switch.

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