CCENT (Cisco Certified Entry Network Technician) Certification Exam Cram Notes

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About CCENT certification:  CCENT -Cisco Certified Entry Networking Technician is an entry level Cisco certification. Getting CCENT certified ensures that the candidate has enough knowledge to plan, configure, and operate simple WAN and switched LAN networks using Cisco products. No pre-qualification is necessary to take CCENT exam.  100-105 is the only exam necessary to pass for obtaining CCENT certification. 100-105 is required for achieving CCNA, which covers medium size enterprise branch networks with more complex connections.


I. Networking Fundamentals

1. OSI and DoD Models

1.1. OSI Models and its function

1.2. DOD Models and its function

1.3. TCP and UDP

1.4. TCP and UDP Frames

2. Network topologies and Flow control

2.1 Different Types of N/w Topologies


3. Wireless LANs (SSIDs, WLC, etc.)

4. IPv4 Addressing

4.1. Subnetting (IP4)

4.2 VLSM

4.3 Examples on subnetting

5. IPv6 addressing

6. Wide Area Networks (WANs)

6.1. DTE and DCE

6.2 Different cable types

6.3 Interface specifications

II. Cisco IOS

1. Cisco Router Architecture

1.1 Block Diagram

1.2 Architectural Components of a Router

1.3 Memory Details of a Typical Cisco Router

2. Cisco Router (25xx series) and its interfaces 

2.1 Interfaces Explained

2.2 Console Port Configuration

3. Router modes of operation

4. Frequently used copy commands

5. Different types of router passwords

III. Routing Fundamentals

1. Routed and Routing Protocol

2. Routing protocol types

3. CDP and LLDP

4. Static and Default route

5. Floating static route

6. IP routing and PPP

7. RIP and RIPv2

IV. Switching Fundamentals

1. Introduction to Cisco Switches

2. VLANs and VTP

3. VLAN Frame tagging

4. Switching methods

5. Switch configuration commands

6. File systems available in Catalyst switches and their usage

7. Switch ports and port security

V. Infrastructure Services & Maintenance

1. DNS


3. NAT

4. Access-lists

5. Diagnostic commands

6. Show commands and other related commands

VI. Appendix

1. IEEE standards ad


 CCENT 640-822 Exam Cram (Retired)

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