CompTIA Network+ practice Tests Certification 2021 Free Course Coupon

CompTIA Network+ practice Tests Certification 2021  Free  Course Coupon
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Description

CompTIA Network+  exam is for developing a career in IT infrastructure covering troubleshooting, configuring, and managing networks. This exam ensures that an IT professional has the knowledge and skills for:

  • Designing and implementing functional networks

  • Configuring, managing, and maintaining the essential network devices

  • Using devices that include switches and routers to segment network traffic and create resilient networks

  • Identifying the benefits and drawbacks of existing network configurations

  • Implementing network security, standards, and protocols

  • Troubleshooting network problems

  • Supporting the creation of virtualized networks


CompTIA Network+ Job Areas

Passing this exam can help you get the role of:

  • Junior Network Administrator

  • Computer Technician

  • Help Desk Technician

  • Junior System Engineer

  • System Engineer

  • IS Consultant

  • Network Field Engineer

  • Network Analyst

What’s new in the Network+ exam?

This exam has been updated with level of the current networking technologies that includes:

  • Concepts of Critical security for helping networking professionals work with security practitioners

  • Best practice and coverage of Cloud computing with new hardware and virtualization techniques

  • Concepts to give individuals the skills to keep the network resilient

Skills Enhancement

In this candidates will learn about:

  • Explaining the purpose of a variety of networking concepts and implement them appropriately

  • Determining the appropriate cabling, device and storage technologies

  • Using best practices for managing the network, determine policies & ensure business continuity

  • Summarizing the physical security and common attacks while securing the wired and wireless network

  • Explaining the network troubleshooting methodology & appropriate tools to support connectivity & performance



Topic 1 :Networking Concepts

1.1 Explaining the purposes and uses of ports and protocols.

  • Protocols and ports

  • Protocol types

  • Connection-oriented vs. connectionless

1.2 Explaining the devices, applications, protocols and services at their appropriate OSI layers.

  • Physical

  • Data link

  • Network

  • Transport

  • Session

  • Presentation

  • Application

1.3 Describing the concepts and characteristics of routing and switching.

  • Properties of network traffic

  • Segmentation and interface properties

  • Routing

  • IPv6 concepts

  • Performance concepts

  • NAT/PAT

  • Port forwarding

  • Access control list

  • Distributed switching

  • Packet-switched vs. circuit- switched network

  • Software-defined networking

1.4 Given a scenario for configuring the appropriate IP addressing components.

  • Private vs. public

  • Loopback and reserved

  • Default gateway

  • Virtual IP

  • Subnet mask

  • Subnetting

  • Address assignments

1.5 Comparing and contrasting the characteristics of network topologies, types and technologies.

  • Wired topologies

  • Wireless topologies

  • Types

  • Technologies that facilitate the Internet of Things (IoT)

1.6 A scenario for implementing the appropriate wireless technologies and configurations.

  • 802.11 standards

  • Cellular

  • Frequencies

  • Speed and distance requirements

  • Channel bandwidth

  • Channel bonding

  • MIMO/MU-MIMO

  • Unidirectional/omnidirectional

  • Site surveys

1.7 Summarizing the cloud concepts and their purposes.

  • Types of services

  • Cloud delivery models

  • Connectivity methods

  • Security implications/considerations

  • Relationship between local and cloud resources

1.8 Explaining the functions of network services.

  • DNS service

  • DHCP service

  • NTP

  • IPAM

Topic 2: Infrastructure 18%

2.1 Given a scenario for deploying the appropriate cabling solution.

  • Media types

  • Plenum vs. PVC

  • Connector types

  • Transceivers

  • Termination points

  • Copper cable standards

  • Copper termination standards

  • Ethernet deployment standards

2.2 Scenario for determining the appropriate placement of networking devices on a network and install/configure them.

  • Firewall

  • Router

  • Switch

  • Hub

  • Bridge

  • Modems

  • Wireless access point

  • Media converter

  • Wireless range extender

  • VoIP endpoint

2.3 Explaining the purposes and use cases for advanced networking devices.

  • Multilayer switch

  • Wireless controller

  • Load balancer

  • IDS/IPS

  • Proxy server

  • VPN concentrator

  • AAA/RADIUS server

  • UTM appliance

  • NGFW/Layer 7 firewall

  • VoIP PBX

  • VoIP gateway

  • Content filter

2.4 Describing the purposes of virtualization and network storage technologies.

  • Virtual networking components

  • Network storage types

  • Connection type

  • Jumbo frame

2.5 Comparing and contrasting WAN technologies.

  • Service type

  • Transmission mediums

  • Characteristics of service

  • Termination

Topic 3: Network Operations 17%

3.1 Given a scenario for using appropriate documentation and diagrams to manage the network.

  • Diagram symbols

  • Standard operating procedures/ work instructions

  • Logical vs. physical diagrams

  • Rack diagrams

  • Change management documentation

  • Wiring and port locations

  • IDF/MDF documentation

  • Labeling

  • Network configuration and performance baselines

  • Inventory management

3.2 Contrasting and comparing business continuity and disaster recovery concepts.

  • Availability concepts

  • Recovery

  • MTTR

  • MTBF

  • SLA requirements

3.3 Explaining common scanning, monitoring and patching processes and summarize their expected outputs.

  • Processes

  • Event management

  • SNMP monitors

  • Metrics

3.4 Given a scenario for using remote access methods.

  • VPN

  • RDP

  • SSH

  • VNC

  • Telnet

  • HTTPS/management URL

  • Remote file access

  • Out-of-band management

3.5 Identifying policies and best practices.

  • Privileged user agreement

  • Password policy

  • On-boarding/off-boarding procedures

  • Licensing restrictions

  • International export controls

  • Data loss prevention

  • Remote access policies

  • Incident response policies

  • BYOD

  • AUP

  • NDA

  • System life cycle

  • Safety procedures and policies

Topic 4: Network Security 20%

4.1 Summarizing the purposes of physical security devices.

  • Detection

  • Prevention

4.2 Explaining authentication and access controls.

  • Authorization, authentication and accounting

  • Multi-factor authentication

  • Access control

4.3 Given a scenario to secure a basic wireless network.

  • WPA

  • WPA2

  • TKIP-RC4

  • CCMP-AES

  • Authentication and authorization

  • Geofencing

4.4 Summarizing common networking attacks.

  • DoS

  • Social engineering

  • Insider threat

  • Logic bomb

  • Rogue access point

  • Evil twin

  • War-driving

  • Phishing

  • Ransomware

  • DNS poisoning

  • ARP poisoning

  • Spoofing

  • Deauthentication

  • Brute force

  • VLAN hopping

  • Man-in-the-middle

  • Exploits vs. vulnerabilities

4.5 Scenario for implementing network device hardening.

  • Changing default credentials

  • Avoiding common passwords

  • Upgrading firmware

  • Patching and updates

  • File hashing

  • Disabling unnecessary services

  • Using secure protocols

  • Generating new keys

  • Disabling unused ports

4.6 Explaining common mitigation techniques and their purposes.

  • Signature management

  • Device hardening

  • Change native VLAN

  • Switch port protection

  • Network segmentation

  • Privileged user account

  • File integrity monitoring

  • Role separation

  • Restricting access via ACLs

  • Honeypot/honeynet

  • Penetration testing

Topic 5: Network Troubleshooting and Tools

5.1 Explaining the network troubleshooting methodology.

  • Identifying the problem

  • Establish a theory of probable cause

  • Test the theory to determine the cause

  • Establishing a plan of action to resolve the problem and identify potential effects

  • Implement the solution or escalate as necessary

  • Verifying full system functionality and, if applicable, implement preventive measures

  • Document findings, actions, and outcomes

5.2 Given a scenario for using the appropriate tool.

  • Hardware tools

  • Software tools

5.3 Scenario for troubleshooting common wired connectivity and performance issues.

  • Attenuation

  • Latency

  • Jitter

  • Crosstalk

  • EMI

  • Open/short

  • Incorrect pin-out

  • Incorrect cable type

  • Bad port

  • Transceiver mismatch

  • TX/RX reverse

  • Duplex/speed mismatch

  • Damaged cables

  • Bent pins

  • Bottlenecks

  • VLAN mismatch

  • Network connection LED status indicators

5.4 A scenario to troubleshoot common wireless connectivity and performance issues.

  • Reflection

  • Refraction

  • Absorption

  • Latency

  • Jitter

  • Attenuation

  • Incorrect antenna type

  • Interference

  • Incorrect antenna placement

  • Channel overlap

  • Overcapacity

  • Distance limitations

  • Frequency mismatch

  • Wrong SSID

  • Wrong passphrase

  • Security type mismatch

  • Power levels

  • Signal-to-noise ratio

5.5 Scenario for troubleshooting common network service issues.

  • Names not resolving

  • Incorrect gateway

  • Incorrect netmask

  • Duplicate IP addresses

  • Duplicate MAC addresses

  • Expired IP address

  • Rogue DHCP server

  • Untrusted SSL certificate

  • Incorrect time

  • Exhausted DHCP scope

  • Blocked TCP/UDP ports

  • Incorrect host-based firewall settings

  • Incorrect ACL settings

  • Unresponsive service

  • Hardware failure


best practice Tests for CompTIA Network+ Certification 2021

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