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CCNA EXPLORATION
ACCESSING THE WAN
Study Guide
Chapter 8: Network Troubleshooting
8.1.1
8.1.2
8.1.3
8.1.4
8.2.1
8.2.2
8.2.3
8.2.4
Describe network baseline.
Network documentation should include what
components?
Describe the Network Configuration Table.
What data set should be included for all
components?
Describe the End-system Configuration Table.
For troubleshooting purposes, what information
should be documented?
Describe the Network Topology Diagram.
At a minimum, the topology diagram should
include what?
What are some of the commands that are
useful to the network documentation process?
Why is establishing a network performance
baseline important?
What are the recommended steps for planning
the first baseline?
What is some network management software
often used to baseline networks?
What are the 2 extreme approaches to
troubleshooting?
Describe using layered models for
troubleshooting.
Describe using the OSI reference model for
troubleshooting.
Describe using the TCP/IP reference model for
troubleshooting.
Describe the stages of the general
troubleshooting process.
Why is a troubleshooting policy a good idea?
What are the three main methods for
troubleshooting networks?
Describe the bottom up approach.
When would the bottom up approach be the
approach to use?
What would be a disadvantage of the bottom
up approach?
CCNA EXP 4
CH.8 Network Troubleshooting
APRIL 2009
8.2.5
8.2.6
8.3.1
8.3.2
8.3.3
8.3.4
Describe the top down approach.
When would the top down approach be the
approach to use?
What would be a disadvantage of the top down
approach?
Describe the divide-and-conquer approach.
When would the top down approach be the
approach to use?
What are the steps to determine the scope of
the problem gather (document) the symptoms?
Why is the use of the debug command not
always the best choice when gathering
symptoms?
What are some effective questioning
techniques to use with end users?
Describe NMS tools.
(Swr)
Describe Knowledge bases.
(Swr)
Describe Baselining Tools.
(Swr)
Describe Protocol Analyzers.
(swr)
Describe Network Analysis Module.
(Hdw)
Describe Digital Multimeters.
(Hdw)
Describe Cable Testers
(Hdw)
Describe TDRs.
(Hdw)
Describe Cable Analyzers.
(Hdw)
Describe Portable Network Analyzers.
(Hdw)
Describe WAN communications.
What are the steps in WAN design?
Why are WAN traffic considerations important?
Designing a WAN topology essentially consists
of what?
CCNA EXP 4
CH.8 Network Troubleshooting
APRIL 2009
What are the types of WAN topologies?
When is a three-layer hierarchy often used?
Describe the connection technologies a typical
private WAN uses.
Describe the various WAN connection
technologies.
8.3.5
8.3.6
Describe the Internet as related WANs.
Describe bandwidth considerations as related
WANs.
Describe some common WAN implement issues
8.3.7
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
CCNA EXP 4
CH.8 Network Troubleshooting
APRIL 2009