best practice Tests for CompTIA Network+ Certification 2021
What you will learn
Practice Tests for CompTIA Network+ Certification
Practice tips for CompTIA Network+ Certification
Practice same Exam for CompTIA Network+ Certification
Discover all tricks in exam certification
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