CompTIA Network+ practice Tests Certification 2021

best practice Tests for CompTIA Network+ Certification 2021

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Practice Tests for CompTIA Network+ Certification

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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.

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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.