CompTIA Network+ practice Tests Certification 2021
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
Help Desk Technician
Junior System Engineer
Network Field Engineer
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
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
Connection-oriented vs. connectionless
1.2 Explaining the devices, applications, protocols and services at their appropriate OSI layers.
1.3 Describing the concepts and characteristics of routing and switching.
Properties of network traffic
Segmentation and interface properties
Access control list
Packet-switched vs. circuit- switched network
1.4 Given a scenario for configuring the appropriate IP addressing components.
Private vs. public
Loopback and reserved
1.5 Comparing and contrasting the characteristics of network topologies, types and technologies.
Technologies that facilitate the Internet of Things (IoT)
1.6 A scenario for implementing the appropriate wireless technologies and configurations.
Speed and distance requirements
1.7 Summarizing the cloud concepts and their purposes.
Types of services
Cloud delivery models
Relationship between local and cloud resources
1.8 Explaining the functions of network services.
Topic 2: Infrastructure 18%
2.1 Given a scenario for deploying the appropriate cabling solution.
Plenum vs. PVC
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.
Wireless access point
Wireless range extender
2.3 Explaining the purposes and use cases for advanced networking devices.
NGFW/Layer 7 firewall
2.4 Describing the purposes of virtualization and network storage technologies.
Virtual networking components
Network storage types
2.5 Comparing and contrasting WAN technologies.
Characteristics of service
Topic 3: Network Operations 17%
3.1 Given a scenario for using appropriate documentation and diagrams to manage the network.
Standard operating procedures/ work instructions
Logical vs. physical diagrams
Change management documentation
Wiring and port locations
Network configuration and performance baselines
3.2 Contrasting and comparing business continuity and disaster recovery concepts.
3.3 Explaining common scanning, monitoring and patching processes and summarize their expected outputs.
3.4 Given a scenario for using remote access methods.
Remote file access
3.5 Identifying policies and best practices.
Privileged user agreement
International export controls
Data loss prevention
Remote access policies
Incident response policies
System life cycle
Safety procedures and policies
Topic 4: Network Security 20%
4.1 Summarizing the purposes of physical security devices.
4.2 Explaining authentication and access controls.
Authorization, authentication and accounting
4.3 Given a scenario to secure a basic wireless network.
Authentication and authorization
4.4 Summarizing common networking attacks.
Rogue access point
Exploits vs. vulnerabilities
4.5 Scenario for implementing network device hardening.
Changing default credentials
Avoiding common passwords
Patching and updates
Disabling unnecessary services
Using secure protocols
Generating new keys
Disabling unused ports
4.6 Explaining common mitigation techniques and their purposes.
Change native VLAN
Switch port protection
Privileged user account
File integrity monitoring
Restricting access via ACLs
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.
5.3 Scenario for troubleshooting common wired connectivity and performance issues.
Incorrect cable type
Network connection LED status indicators
5.4 A scenario to troubleshoot common wireless connectivity and performance issues.
Incorrect antenna type
Incorrect antenna placement
Security type mismatch
5.5 Scenario for troubleshooting common network service issues.
Names not resolving
Duplicate IP addresses
Duplicate MAC addresses
Expired IP address
Rogue DHCP server
Untrusted SSL certificate
Exhausted DHCP scope
Blocked TCP/UDP ports
Incorrect host-based firewall settings
Incorrect ACL settings
Who this course is for:
- ALL Levels
Salem Salem is a software engineer with extensive experience and management skills and works for a hi-tech telecommunication company . the company developers and sell solution that enable service providers to efficiently delivery high quality voice and data services over broadband access networks while leveraging investment in their network infrastructure . as a senior software engineer