Welcome
Guest

Certification Resources:
Designations:
Certification Exam

  920-805 Nortel Data Networking Technology
ObjectivesTraining and PreparationSample Exam Questions


Exam Objectives:
Ethernet Standards
(9% of Exam)
  • Describe the different types of physical media available for Ethernet networks.
  • Describe the IEEE 802.3af specifications.
  • Explain how auto-negotiation and auto-sense are used to accommodate different network speeds.
  • Explain how bridges and switches operate to control network traffic.
  • Explain the difference between Unicast, Broadcast, and Multicast operation in a network.
  • Describe the fields in a basic Ethernet frame and their role in Ethernet communication.
Ethernet Switching & Resiliency
(15% of Exam)
  • Explain the switching terms Forwarding, Flooding, Dropping, and Learning.
  • Describe the purpose of VLANs within a network.
  • Describe the operation of the Spanning Tree Protocol.
  • Describe the purpose of Link Aggregation and its components.
  • Define the configuration parameters associated with setting up a Link Aggregation Group.
  • Describe the information passed by the Link Aggregation Control Protocol.
  • Identify the benefits of using the Rapid Spanning Tree Protocol.
  • Describe the purpose for Multiple Spanning Tree Protocol.
  • Describe the purpose of flow control within a switch network.
  • Explain how VLANs can be extended throughout a LAN using Frame Tagging 802.1Q
  • Given a network scenario, determine the cost back to the root bridge from any location in the LAN.
IP Fundamentals
(8% of Exam)
  • Describe the purpose of message headers.
  • Identify major IP Suite protocols with the associated layers.
  • Define a subnet address mask.
  • Describe the addressing scheme in Domain Name Service (DNS).
  • Define a subent mask and explain the purpose of the Address Resolution Protocol.
  • List some of the uses of the File Transfer Protocol.
IP Routing & Configuration
(68% of Exam)
IP Routing
  • Explain the difference between Layer 2 bridging and Layer 3 routing.
  • Explain how an IP packet is forwarded through the network.
  • Explain the Layer 3 forwarding process in the I/O module and the CPU.
  • Identify the characteristics of each Layer 3 Routing Protocol supported on the ERS 8600 (RIP, OSPF and BGP).
  • Identify the typical configurations Layer 3 routing protocols supported on the ERS 8600 and other Ethernet Routing Switches.,li>Create port virtual local area networks (VLANs) using the run-time command line interface (CLI) and Java Device Manager (JDM) lab.
  • Examine spanning tree parameters and verify Spanning Tree Protocol (STP) operation lab.
  • Configure a network using RIP.
IP Forwarding & Static Routes
  • Explain how the IP forwarding table is built.
  • Explain the Layer 3 forwarding process in a Layer 3 switch.
  • Describe how route policies are used to facilitate network address summarization.
Configuring RIP
  • Explain the Bellman-Ford algorithm.
  • Describe the differences between RIPv1 and RIPv2.
  • Configure IP-RIP routing on the Ethernet Routing Switch.
  • Describe and configure Accept and Announce policies for RIP.
  • Configure static routes, alternate routes, and Equal Cost Multi-Path routes in a RIP network.
  • Implement Accept and Announce policies in a RIP network.
  • Configure ECMP in a RIP network.
Configuring VRRP
  • Describe the benefits and operation of VRRP, and where it can be used in the network.
  • Explain the Init, Backup, Master, and Backup Master states of a VRRP router.
  • Describe a VRRP advertisement packet.
  • Configure resilience within the network by implementing VRRP.
Configuring OSPF
  • Describe the features and advantages of Open Shortest Path First (OSPF).
  • Explain the types of OSPF Link State Advertisements (LSAs).
  • List the types of networks supported by OSPF.
  • Describe OSPF neighbor routers and explain the process of forming an adjacency.
  • Describe Message Digest Version 5 (MD5) authentication for OSPF adjacencies.
  • Configure an IP network using OSPF with a single (backbone) area.
  • Verify OSPF functionality by observing the LSDB and other statistical information.
Advanced OSPF Features
  • Configure the Ethernet Routing Switch (ERS) to support multiple areas in an OPSF network.
  • Configure OSPF area summaries.
  • Configure dynamic and static virtual links.
  • Define OSPF areas including stub and not-so-stubby areas (NSSAs).
  • Describe and configure virtual links.
  • Describe the Trace utility used to examine OSPF processes.
  • Examine the contents of the LSDB within an OSPF Domain with multiple areas.
  • Configure and test the operation of a virtual link and auto-virtual link.
  • Create RIP and OSPF policies in support of the Autonomous System Border Router (ASBR).
  • Explain the Alternate Route operation.
Border Gateway Protocol (BGP) & IPv6
  • Describe BGP4 features.
  • Describe BGP4 concepts and terminology.
  • Identify the BGP message formats.
  • Configure BGP peers between autonomous systems.
  • List the benefits of IPv6.
  • Identify the differences between IPv4 and IPv6.
  • Describe the IPv6 Header format.
  • Identify the IPv6 deployment issues.
  • Describe the IPv6 Routing Table.
  • Describe IPv6 tunneled in IPv4.

Resources
Exam Details
 
 Exam Duration:
 90 minutes
 
 Exam Format:
 Proctored
 
 Number of Questions:
 65
 
 Passing Score:
 75%
 
 Exam Language:
 English
 
 Exam Price:

$149 USD (NA/CALA)
$175 USD (EMEA/APAC)