Building Scalable Cisco Networks (BSCN)
Usually considered as the most difficult of the 4 CCNP
exams.
- Version 2.0
- Code: 640-503
- Question: ±69 items
- Many configuration questions
- ±4 list choice questions verifying router configuration
- ±1 match questions for basic routing principles
- Duration: 90 minutes (105 for non English)
- Passing score: 690 of 1000
- Characteristics
- Review: No
- Multiple choice (The number stated if more than one answer)
- Non-adaptive
- No Calculator
- Recommended re-certification after 2 years
- Emphasized subjects
- Routing Principles
- Extending IP Addresses
- Configuring EIGRP
- Configuring OSPF in a Single Area
- Interconnecting Multiple OSPF Areas
- Optimizing Routing Update Operation
- Configuring BGP Protocol
- Implementing BGP in Scalable Networks
- Exam Fee: US$ 100
Exam Topics
Routing Principles
- List the key information routers need to route data
- Describe classful and classless routing protocols
- Compare distance vector and link-state protocol operation
- Describe the use of the fields in a routing table
- Analyze a routing table, and test connectivity using accepted troubleshooting techniques
Extending IP Addresses
- Use VLSMs to extend the use of the IP addresses
- Explain if route summarization is or is not possible for a specific addressing scheme
- Configure an IP helper address to manage broadcasts
Configuring OSFP in a Single Area
- Explain why OSPF is better than RIP in a large internetwork
- Explain how OSPF discovers, chooses, and maintains routes
- Explain how OSPF operates in an single area NBMA environment
- Configure OSPF for proper operation in a single area
- Verify OSPF operation in a single area
Interconnecting Multiple OSFP Areas
- Describe the issues with interconnecting multiple areas and how OSPF addresses each
- Explain the differences between the possible types of areas, routers, and LSAs
- Explain how OSPF supports the use of VLSM
- Explain how OSPF supports the use of route summarization in multiple areas
- Explain how OSPF operates in a multiple area NBMA environment
- Configure a multiarea OSPF network
- Verify OSPF operation in multiple areas
Configuring EIGRP
- Describe Enhanced IGRP features and operation
- Explain how EIGRP discovers, chooses, and maintains routes
- Explain how EIGRP supports the use of VLSM
- Explain how EIGRP operates in an NBMA environment
- Explain how EIGRP supports the use of route summarization
- Describe how EIGRP supports large networks
- Configure Enhanced IGRP
- Verify Enhanced IGRP operation
Configuring Basic Border Gateway Protocol
- Describe BGP features and operation
- Describe how to connect to another autonomous system using an alternative to
BGP, static routes
- Explain how BGP policy-based routing functions within an autonomous system
- Explain how BGP peering functions
- Describe BGP communities and peer groups
- Describe and configure external and internal BGP
- Describe BGP synchronization
- Configure a BGP environment and verify proper operation
Implementing BGP in Scalable Networks
- Describe the scalability problems associated with internal BGP
- Explain and configure BGP route reflectors
- Describe and configure policy control in BGP using prefix lists
- Describe methods to connect to multiple ISPs using BGP
- Explain the use of redistribution between BGP and Interior Gateway Protocols
(IGPs)
- Configure a multihomed BGP environment and verify proper operation
Optimizing Routing Update Operation
- Select and configure the different ways to control routing update traffic
- Configure route redistribution in a network that does not have redundant paths between dissimilar routing processes
- Configure route redistribution in a network that has redundant paths between dissimilar routing processes
- Resolve path selection problems that result in a redistributed network
- Verify route redistribution
- Configure policy-based routing using route maps
- Configure redistribution between different routing domains and verify proper operation
- Configure policy-based routing and verify proper operation
Legacy Exam Topics
Overview of Scalable Internetworks
- Overview of Scalable Networks
Managing traffic and access
- Introduction to Managing Traffic and Access
- Describe causes of network
congestion
- List solutions for controlling
network congestion
- Introduction to
Managing Traffic and Access
- Configure IP standard
access lists
- Limit virtual terminal access
- Configure IP extended
access lists
- Verify access list operation
- Configure an
alternative to using access lists
- Configure an IP helper
address to manage broadcasts
- Managing Novell IPX/SPX Traffic
- Describe IPX/SPX traffic
management issues
- Filter IPX traffic using IPX
access lists
- Manage IPX/SPX traffic over WAN
- Verify IPX/SPX filter operation
- Configuring Queueing to Manage Traffic
Configuring scalable routing protocols
- Routing Protocol Overview
- Extending IP Addresses Using VLSMs
- Given an IP address, use VSLMs
to extend the use of the IP address
- Given a network plan that
includes IP addressing, explain if a router summarization is or is not possible
- Define private addressing and
determine when it can be used
- Define network address
translation and determine when it can be used
- Configuring OSPF in a single area
- Interconnecting Multiple OSPF Areas
- Configuring EIGRP
- Describe Enhanced IGRP features and operation
- Configure Enhanced IGRP
- Verify Enhanced IGRP operation
- Optimizing Routing Update Operation
- Select and configure the
different ways to control route update traffic.
- Configure route redistribution
in a network that does not have redundant paths between dissimilar routing
processes.
- Configure route redistribution
in a network that has redundant paths between dissimilar routing processes.
- Resolve path selection
problems that result in a redistributed network.
Configuring dialup connectivity
- Connecting Enterprises to an Internet Service Provider
- Describe when to use BGP to connect
to an ISP
- Describe methods to connect to an ISP using static and default
routes, and BGP
- WAN Connectivity Overview
- Compare the differences
between WAN connection types: dedicated, asynchronous dial-in, dial-on-demand,
and packet switched services
- Determine when to use PPP, HDLC,
LAPB, and IETF encapsulation types
- List at least four common
issues to be considered when evaluating WAN services
- Configuring Dial-on-Demand Routing
-
Customizing DDR Operation
Integrating non-routed services
- Bridging Overview
- Configuring Transparent Bridging and Integrated Routing and
Bridging
- Configuring Source-Route Bridging
- Managing Apple Talk Traffic
- Configuring T1/E1 and ISDN PRI Options
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