CCNA single subject test: 200-120 CCNA test is a test related to CCNA routing and switching authentication. Candidates can prepare for this exam by studying two courses: Cisco network device interconnection part 1 (ICND1) version 2.0 and Cisco network device interconnection part 2 (ICND2) version 2.0. This test examines the candidates' knowledge and skills of installation, operation and troubleshooting of a small and medium-sized enterprise branch network. The content includes all the contents of 100-101 ICND1 and 200-101 ICND2.

Examination key points:

The following key points are the outline that may appear in the CCNA single subject examination. However, other relevant points may also appear in an exam. The following syllabus may be changed without prior notice in order to better reflect the examination content and be more transparent.

IP data network operation

Understand the functions of various network devices, such as routers, switches, bridges and hubs.

Learn to select components to meet the requirements of a given network scenario.

Understand the general application software and its impact on the network

Describe the use and basic working mode of protocols in OSI and TCP / IP models.

Forecast the data flow between two hosts in the network.

Identify the appropriate media, cables, ports, and connectors in the LAN to connect Cisco network devices to other network devices or hosts.

LAN Switching Technology

Choose Ethernet technology and media access control mode.

Understand the basic switching concept and Cisco switch operation.

-Conflict domain

- broadcast area

- type of exchange

- cam table

Configure and verify the initial switch configuration, including remote access management.

-Execute the Cisco IOS command of basic switch installation

To verify the network status and use basic applications for switching operations, such as Ping, telnet and SSH.

Describes how VLANs create logically separated networks and the need to route between these logically separated networks.

-Introduce the basic concepts of network segmentation and traffic management

configure and verify VLAN

configure and verify Cisco switch

DTP

automatic negotiation mechanism

IP address management (IPv4 / IPv6)

describe the operation and necessity of using private or public IP address for IPv4 address management.

Identify appropriate IPv6 address framework to meet address management requirements in LAN / WAN environment.

VLSM is used to identify the appropriate IPv4 address management framework and meet the address management requirements in LAN / WAN environment.

Describe the technological requirements for running IPv6 inConnection with IPv4 such as dual stack

describes the technical requirements for running IPv6 with IPv4, such as dual stack protocol.

Describe IPv6 address

- Global unicast

- multicast

- link local

- unique local address

- EUI 64

- automatic configuration

IP routing technology

describe basic routing concepts

- CEF

- packet forwarding

- Routing lookup process

configure and verify the use of CLI to establish basic routing settings

- execute Cisco IOS commands for basic routing installation

configure and verify the running status of Ethernet interface

verify routing configuration and network connectivity

- Master Cisco IOS commands for viewing basic router information and network connectivity

configure and Verify routing configuration for a static or default route given specific routing requirements

configure and verify a static or default route for a given routing requirement.

Distinguish between routing andVarious ways of routing protocol

- static vs dynamic

- connection state vs distance vector

- next hop

- IP routing table

- passive interface

- configuration and verification of OSPF (single area)

- benefits of single area

- configuration of OSPF version 2.0

- configuration of OSPF version 3.0

- Router ID

- passive interface

configure and verify inter route (one armed router)

- sub interface

- upstream router

- encapsulate

configure SVI interface

IP service

configure and verify DHCP (IOS router)

- configure router interface to use DHCP

- DHCP options

- prohibit address assignment

describe the type, characteristics and application of access control list (ACL)

- Standard

serial number

Edit

- extend

- name

- number

- log options

- configure aggregate ACL in network environment

- name

- No.

-Log options

understand the basic operation of network address translation (NAT)

- Usage

- pool

- static

- 1-to-1

- overload

- source address

- one way NAT

configure and verify NAT for given network requirements

configure and verify NTP

Network device security

configure and verify the security features of network devices, such as:

- device password security

- encrypted password vs plaintext password

- transmission

- turn off telnet

- SSH

- vtys

- physical security

- device password

- Describe the external authentication methods

to configure and verify the security characteristics of the switch port, such as

- Sticky secure MAC address

- MAC address restriction

- Static / dynamic

- violation mode

feign death

Close

protection restriction

- close unused port

- port feign death recovery

- Assign unused ports to unused VLANs
0
-Configure intrinsic VLANs to VLANs other than vlan1

configure and verify ACLS to filter network traffic

configure and apply access control lists to restrict telnet and SSH access to routers.

troubleshooting

and correct the general problems related to IP address and host configuration

troubleshooting and solving VLAN problems

- confirm that VLAN is configured

- port is correct

- IP address configuration

troubleshooting and solving the trunking problem on Cisco switch.

-Correct trunk status

- encapsulate correct configuration

- modify allowed VLANs

debug and solve ACL problems

- statistical data

- licensed network

- direction

interface

debug and solve layer 1 problems

- framing

- CRC

- Runts

- giants

- discarded packets

- late collisions

- input / output errors

LAN Switching Technology

understanding advanced switching technology

- RSTP

- pvstp

- Ethernet channel

configure and verify pvstp operation

- describe root bridge selection

- spanning tree mode

IP routing technology

describe Cisco IOS router boot process.

-Post

- router startup process.

Configure and verify serial interface operation status

Manage Cisco IOS files

- boot preference

- Cisco IOS image

- license

display license

change license

different ways to distinguish routing and routing protocol

- manage distance

- Horizontal segmentation

- Measurement

- Next hop

configure and verify OSPF (single area)

- adjacent connection

- OSPF status

- discuss multi area

- configure OSPF V2

- configure OSPF V3

- router ID

- LSA types

configure and verify EIGRP (as number)

next hop- Feasible distance / feasible successor router / management distance

-Feasibility conditions

- Metric combination

- router ID

- Automatic aggregation

- path selection

- load balancing

equal

- passive interface

IP services

- cognitive high availability

- VRRP

- HSRP

- GLBP

configure and verify syslog

- use syslog output

describe SNMP V2 & V3

debug

identify and correct regular network problems

use NetFlow data

debug and solve spanning tree operation problems

- root switch

- priority

- correct mode

- Port status

troubleshooting and routing problem solving

- route on

- correct routing table

- correct path selection

troubleshooting and OSPF problem solving

- adjacent connection

- Hello and dead timer

- OSPF area

- Interface MTU

- network type

- network type
-Adjacency status

- OSPF topology database

troubleshooting and solving EIGRP problems

- adjacency connection

- as number

- load balancing

- Horizontal segmentation

troubleshooting and solving inter routing problems

- connectivity

- encapsulation

- subnet

- Intrinsic VLAN

- port mode relay status

troubleshooting and solving Wan implementation problems

- serial interface

- PPP

- frame relay

monitoring NetFlow data

troubleshooting Ethernet channel problems

WAN technologies

understanding various WAN technologies

- Metro Ethernet

- VSAT

- cellular 3G / 4G

- MPLS

- T1 / E1

- ISDN

- DSL

- frame relay

- Cable

- VPN

configure and verify basic Wan serial connection

configure and verify PPP connection between Cisco routers

Configure and verify the frame relay on Cisco router

implementation and troubleshooting of PPPoE

References:
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