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CCNA
Exam objectives
OSI Reference
- Identify and describe the functions
of each of the seven layers of the OSI reference model.
- Describe connection-oriented network
service and connectionless network service, and
identify the key differences between them.
- Describe data link addresses and
network addresses, and identify the key differences between them.
- Identify at least 3 reasons why the
industry uses a layered model.
- Define and explain the 5 conversion
steps of data encapsulation.
- Define flow control and describe the
three basic methods used in networking.
- List the key internetworking
functions of the OSI Network layer and how they are performed in a
router.
WAN Protocols
- Differentiate between the following
WAN services: Frame Relay, ISDN/LAPD, HDLC, & PPP.
- Recognize key Frame Relay terms and
features.
- List commands to configure Frame
Relay LMIs, maps, and subinterfaces.
- List commands to monitor Frame Relay
operation in the router.
- Identify PPP operations to
encapsulate WAN data on Cisco routers.
- State a relevant use and context for
ISDN networking.
- Identify ISDN protocols, function
groups, reference points, and channels.
- Describe Cisco's implementation of
ISDN BRI.
IOS
- Log into a router in both user and
privileged modes.
- Use the context-sensitive help
facility.
- Use the command history and editing features.
- Examine router elements (RAM, ROM,
CDP, show).
- Manage configuration files from the
privileged exec mode.
- Control router passwords,
identification, and banner.
- Identify the main Cisco IOS commands
for router startup.
- Enter an initial configuration using
the setup command.
- Copy and manipulate configuration
files.
- List the commands to load Cisco IOS
software from: flash memory, a TFTP server, or ROM.
- Prepare to backup, upgrade, and load
a backup Cisco IOS software image.
- Prepare the initial configuration of
your router and enable IP.
Network Protocols
- Monitor Novell IPX operation on the
router.
- Describe the two parts of network
addressing, then identify the parts in specific protocol address
examples.
- Create the different classes of IP
addresses [and subnetting].
- Configure IP addresses.
- Verify IP addresses.
- List the required IPX address and
encapsulation type.
- Enable the Novell IPX protocol and
configure interfaces.
- Identify the functions of the TCP/IP
transport-layer protocols.
- Identify the functions of the TCP/IP
network-layer protocols.
- Identify the functions performed by
ICMP.
- Configure IPX access lists and SAP
filters to control basic Novell traffic.
Routing
- Add the RIP routing protocol to your
configuration.
- Add the IGRP routing protocol to
your configuration.
- Explain the services of separate and
integrated multiprotocol routing.
- List problems that each routing type
encounters when dealing with topology changes and
describe techniques to reduce the number of these problems.
- Describe the benefits of network
segmentation with routers.
Network Security
- Configure standard and extended
access lists to filter IP traffic.
- Monitor and verify selected access
list operations on the router.
LAN Switching
- Describe the advantages of LAN
segmentation.
- Describe LAN segmentation using
bridges.
- Describe LAN segmentation using
routers.
- Describe LAN segmentation using
switches.
- Name and describe two switching
methods.
- Describe full- and half-duplex
Ethernet operation.
- Describe network congestion problems
in Ethernet networks.
- Describe the benefits of network
segmentation with bridges.
- Describe the benefits of network
segmentation with switches.
- Describe the features and benefits
of Fast Ethernet.
- Describe the guidelines and distance
limitations of Fast Ethernet.
- Distinguish between cut-through and
store-and-forward LAN switching.
- Describe the operation of the
Spanning Tree Protocol and its benefits.
- Describe the benefits of virtual
LANs.
- Define and describe the function of
a MAC address.
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