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Mike Meyers' CompTIA Network+ Certification Passport (Exam N10-008)
Fully updated coverage of every topic on the latest version of the CompTIA Network+ exam This quick review, cram-style test preparation guide offers 100% coverage of all objectives for the current version of the challenging CompTIA Network+ exam. Written in the proven Passport format developed by tr...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York :
McGraw-Hill Education,
2023.
|
| Edición: | 7th ed. |
| Temas: | |
| Acceso en línea: | Texto completo (Requiere registro previo con correo institucional) |
Tabla de Contenidos:
- Acknowledgments
- Introduction
- 10 Networking Fundamentals
- Objective 11 Compare and contrast the Open Systems Interconnection
- (OSI) model layers and encapsulation concepts
- OSI Model
- Layer 1
- Physical
- Layer 2
- Data Link
- Layer 3
- Network
- Layer 4
- Transport
- Layer 5
- Session
- Layer 6
- Presentation
- Layer 7
- Application
- Data Encapsulation and Decapsulation Within the OSI Model Context
- Ethernet Header, Internet Protocol (IP) Header, Transmission Control
- Protocol (TCP)/User Datagram Protocol (UDP) Headers, Payload
- TCP Flags
- Maximum Transmission Unit (MTU)
- REVIEW
- 1 1 QUESTIONS
- 1 1 ANSWERS
- Objective 12 Explain the characteristics of network topologies
- and network types
- Bus
- Ring
- Hybrid
- Star/Hub-and-Spoke
- Mesh
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- Network Types and Characteristics
- Client-Server
- Peer-to-Peer
- Local Area Network (LAN)
- Wide Area Network (WAN)
- Metropolitan Area Network (MAN)
- Wireless Local Area Network (WLAN)
- Personal Area Network (PAN)
- Campus Area Network (CAN)
- Storage Area Network (SAN)
- Multiprotocol Label Switching (MPLS)
- Software-Defined Wide Area Network (SDWAN)
- Multipoint Generic Routing Encapsulation (mGRE)
- Service-Related Entry Point
- Demarcation Point
- Smartjack
- Virtual Network Concepts
- Hypervisor
- Virtual Network Interface Card (vNIC)
- vSwitch
- Network Function Virtualization
- Provider Links
- Satellite
- Digital Subscriber Line (DSL)
- Cable
- Leased Line
- Metro-Optical
- REVIEW
- 12 QUESTIONS
- 12 ANSWERS
- Objective 13 Summarize the types of cables and connectors
- and explain which is the appropriate type for a solution
- Copper
- Twisted Pair
- Coaxial/RG-6
- Twinaxial
- Termination Standards
- Fiber
- Single-mode
- Multimode
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- Connector Types
- Local Connector (LC), Straight Tip (ST), Subscriber Connector (SC),
- Mechanical Transfer (MT), Registered Jack (RJ)
- RJ11, RJ45, F-type Connector
- Transceivers/Media Converters
- Transceiver type
- Cable Management
- Patch Panel/Patch Bay
- Fiber Distribution Panel
- Punchdown Block
- Ethernet Standards
- Copper
- Fiber
- REVIEW
- 13 QUESTIONS
- 13 ANSWERS
- Objective 14 Given a scenario, configure a subnet and use
- appropriate IP addressing schemes
- Public vs Private
- RFC 1918
- Network Address Translation (NAT)
- Port Address Translation (PAT)
- IPv4 vs IPv6
- Automatic Private IP Addressing (APIPA), Link-Local
- Extended Unique Identifier (EUI-64)
- Broadcast
- Multicast
- Unicast
- Anycast
- Loopback
- Default Gateway
- IPv4 Subnetting
- Classful
- Classless (Variable-Length Subnet Mask)
- Classless Inter-Domain Routing (CIDR) Notation
- IPv6 Concepts
- Tunneling
- Dual Stack
- Shorthand Notation
- Router Advertisement, Stateless Address Autoconfiguration (SLAAC)
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- Virtual IP (VIP)
- Subinterfaces
- REVIEW
- 14 QUESTIONS
- 14 ANSWERS
- Objective 15 Explain common ports and protocols, their application,
- and encrypted alternatives
- Protocols and Ports
- Types of Ports
- Port States
- Commonly Used Ports
- IP Protocol Types
- TCP and UDP
- Internet Control Message Protocol (ICMP)
- Generic Routing Encapsulation (GRE)
- Internet Protocol Security (IPsec)
- Connectionless vs Connection-Oriented
- REVIEW
- 15 QUESTIONS
- 15 ANSWERS
- Objective 16 Explain the use and purpose of network services
- DHCP
- Scope, Scope Options
- Lease Time, Available Leases
- Dynamic Assignment
- Static Assignment
- Exclusion Ranges
- Reservation
- DHCP Relay, IP Helper/UDP Forwarding
- DNS
- Zone Transfers
- Global Hierarchy
- Time to Live (TTL), DNS Caching
- Recursive Lookup/Iterative Lookup
- Record Types
- Reverse DNS/Reverse Lookup/Forward Lookup
- Internal vs External DNS
- NTP
- Stratum, Clients, Servers
- REVIEW
- 16 QUESTIONS
- 16 ANSWERS
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- Objective 17 Explain basic corporate and datacenter network
- architecture
- Three-Tiered
- Access/Edge
- Distribution/Aggregation Layer
- Core
- Software-Defined Networking
- Control Layer, Infrastructure Layer
- Management Plane, Application Layer
- Spine and Leaf
- Software-Defined Network
- Top-of-Rack Switching
- Backbone
- Traffic Flows
- North-South
- East-West
- Branch Office vs On-Premises Datacenter vs Colocation
- Storage Area Networks
- Connection Types
- REVIEW
- 17 QUESTIONS
- 17 ANSWERS.
- Objective 18 Summarize cloud concepts and connectivity options
- Deployment Models
- Public
- Private
- Hybrid
- Community
- Service Models
- Software as a Service (SaaS)
- Infrastructure as a Service (IaaS)
- Platform as a Service (PaaS)
- Desktop as a Service (DaaS)
- Infrastructure as Code
- Automation/Orchestration
- Connectivity Options
- Virtual Private Network (VPN)
- Private-Direct Connection to Cloud Provider
- Multitenancy
- Scalability
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- Elasticity
- Security Implications
- REVIEW
- 18 QUESTIONS
- 18 ANSWERS
- 20 Network Implementations
- Objective 21 Compare and contrast various devices, their features,
- and their appropriate placement on the network
- Networking Devices
- Layer 2 Switch
- Layer 3 Capable Switch
- Router
- Hub
- Access Point
- Bridge
- Wireless LAN Controller
- Load Balancer
- Proxy Server
- Cable Modem
- DSL Modem
- Repeater
- Voice Gateway
- Media Converter
- Firewall
- Intrusion Prevention System(IPS)/Intrusion Detection System (IDS) Device
- VPN Headend
- Networked Devices
- Voice over Internet Protocol (VoIP) Phone
- Printer
- Physical Access Control Devices
- Cameras
- Heating, Ventilation, and Air Conditioning (HVAC) Sensors
- Internet of Things (IoT)
- Industrial Control Systems/Supervisory Control and Data Acquisition (SCADA)
- REVIEW
- 21 QUESTIONS
- 21 ANSWERS
- Objective 22 Compare and contrast routing technologies
- and bandwidth management concepts
- Routing
- Dynamic Routing
- Static Routing
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- Default Route
- Administrative Distance
- Exterior vs Interior
- Time to Live
- Bandwidth Management
- Quality of Service (QoS), Traffic Shaping
- REVIEW
- 22 QUESTIONS
- 22 ANSWERS
- Objective 23 Given a scenario, configure and deploy common
- Ethernet switching features
- Data Virtual Local Area Network (VLAN)
- Voice VLAN
- Port Configurations
- Port Tagging/8021Q
- Port Aggregation
- Duplex
- Speed
- Flow Control
- Port Mirroring
- Port Security
- Jumbo Frames
- Auto-Medium-Dependent Interface Crossover (MDI-X)
- Media Access Control (MAC) Address Tables
- Power over Ethernet (PoE)/Power over Ethernet Plus (PoE+)
- Spanning Tree Protocol
- Carrier-Sense Multiple Access with Collision Detection (CSMA/CD)
- Address Resolution Protocol (ARP)
- Neighbor Discovery Protocol
- REVIEW
- 23 QUESTIONS
- 23 ANSWERS
- Objective 24 Given a scenario, install and configure the appropriate
- wireless standards and technologies
- 80211 Standards
- a
- b
- g
- n (Wi-Fi 4)
- ac (Wi-Fi 5)
- ax (Wi-Fi 6)
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- Frequencies and Range
- 24 GHz
- 50 GHz
- Channels
- Regulatory Impacts
- Channel Bonding
- Service Set Identifier (SSID)
- Basic Service Set
- Independent Basic Service Set (Ad-hoc)
- Extended Service Set
- Roaming
- Antenna Types
- Omni
- Directional
- Encryption Standards
- Wi-Fi Protected Access (WPA)/WPA2 Personal [Advanced Encryption
- Standard (AES)/Temporal Key Integrity Protocol (TKIP)]
- WPA/WPA2 Enterprise (AES/TKIP)
- Cellular Technologies
- Global System for Mobile Communications (GSM)
- Code-Division Multiple Access (CDMA)
- Long-Term Evolution (LTE)
- 3G, 4G, 5G
- Multiple Input, Multiple Output (MIMO) and Multi-user MIMO (MU-MIMO)
- REVIEW
- 24 QUESTIONS
- 24 ANSWERS
- 30 Network Operations
- Objective 31 Given a scenario, use the appropriate statistics
- and sensors to ensure network availability
- Performance Metrics/Sensors
- Device/Chassis
- Network Metrics
- SNMP
- Management Information Bases (MIBs)
- Object Identifiers (OIDs)
- Traps
- Network Device Logs
- Log Reviews.
- Logging Levels/Severity Levels
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- Interface Statistics/Status
- Link State (Up/Down)
- Speed/Duplex
- Send/Receive Traffic
- Cyclic Redundancy Checks (CRCs)
- Protocol Packet and Byte Counts
- Interface Errors or Alerts
- CRC Errors
- Giants
- Runts
- Encapsulation Errors
- Environmental Factors and Sensors: Temperature, Humidity, Electrical, Flooding
- Baselines
- NetFlow Data
- Uptime/Downtime
- REVIEW
- 31 QUESTIONS
- 31 ANSWERS
- Objective 32 Explain the purpose of organizational documents
- and policies
- Plans and Procedures
- Change Management
- Incident Response Plan
- Disaster Recovery Plan
- Business Continuity Plan
- System Life Cycle
- Standard Operating Procedures
- Hardening and Security Policies
- Password Policy
- Acceptable Use Policy
- Bring Your Own Device (BYOD) Policy
- Remote Access Policy
- Onboarding and Offboarding Policy
- Security Policy
- Data Loss Prevention
- Common Documentation
- Physical Network Diagram
- Logical Network Diagram
- Wiring Diagram
- Site Survey Report
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- Audit and Assessment Report
- Baseline Configurations
- Common Agreements
- Non-Disclosure Agreement (NDA)
- Service-Level Agreement (SLA)
- Memorandum of Understanding (MOU)
- REVIEW
- 32 QUESTIONS
- 32 ANSWERS
- Objective 33 Explain high availability and disaster recovery
- concepts and summarize which is the best solution
- Load Balancing
- Multipathing
- Network Interface Card (NIC) Teaming
- Redundant Hardware/Clusters
- Switches
- Routers
- Firewalls
- Facilities and Infrastructure Support
- Uninterruptible Power Supply (UPS)
- Power Distribution Units (PDUs)
- Generator
- HVAC
- Fire Suppression
- Redundancy and High Availability (HA) Concepts
- Cold Site
- Warm Site
- Hot Site
- Cloud Site
- Active-Active vs Active-Passive
- Mean Time to Repair (MTTR)
- Mean Time Between Failure (MTBF)
- Recovery Time Objective (RTO)
- Recovery Point Objective (RPO)
- Network Device Backup/Restore
- Configuration
- State
- REVIEW
- 33 QUESTIONS
- 33 ANSWERS
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- 40 Network Security
- Objective 41 Explain common security concepts
- Confidentiality, Integrity, Availability (CIA)
- Threats
- Internal
- External
- Vulnerabilities
- Common Vulnerabilities and Exposures (CVE)
- Zero-Day
- Exploits
- Least Privilege
- Role-Based Access
- Zero Trust
- Defense in Depth
- Network Segmentation Enforcement
- Screened Subnet [Previously Known as Demilitarized Zone (DMZ)]
- Separation of Duties
- Network Access Control
- Honeypot
- Authentication Methods
- Multifactor
- Terminal Access Controller Access-Control System Plus (TACACS+)
- Remote Authentication Dial-in User Service (RADIUS)
- Single Sign-On (SSO)
- LDAP
- Kerberos
- Local Authentication
- Extensible Authentication Protocol (EAP)
- 8021X
- Risk Management
- Security Risk Assessments
- Business Risk Assessments
- Security Information and Event Management (SIEM)
- REVIEW
- 41 QUESTIONS
- 41 ANSWERS
- Objective 42 Compare and contrast common types of attacks
- Technology-Based
- Denial-of-Service (DoS)/Distributed Denial-of-Service (DDoS)
- On-Path Attack (Previously Known as Man-in-the-Middle Attack)
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- ARP Spoofing
- DNS Poisoning
- VLAN Hopping
- Rogue DHCP
- Rogue Access Point (AP)
- Evil Twin
- Ransomware
- Password Attacks
- MAC Spoofing
- IP Spoofing
- Deauthentication
- Malware
- Human and Environmental
- Social Engineering
- REVIEW
- 42 QUESTIONS
- 42 ANSWERS
- Objective 43 Given a scenario, apply network
- hardening techniques
- Best Practices
- Secure SNMP
- Router Advertisement (RA) Guard
- Port Security
- Dynamic ARP Inspection
- Control Plane Policing
- Private VLANs
- Disable Unneeded Switchports
- Disable Unneeded Network Services
- Change Default Passwords
- Password Complexity/Length
- Enable DHCP Snooping
- Change Default VLAN
- Patch and Firmware Management
- Access Control List
- Firewall Rules
- Role-Based Access
- Wireless Security
- MAC Filtering
- Antenna Placement
- Power Levels
- Wireless Client Isolation
- Guest Network Isolation
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- Preshared Keys (PSKs)
- EAP
- Geofencing
- Captive Portal
- IoT Access Considerations
- REVIEW
- 43 QUESTIONS
- 43 ANSWERS
- Objective 44 Compare and contrast remote access methods
- and security implications
- Site-to-Site VPN
- Client-to-Site VPN
- Clientless VPN
- Split Tunnel vs Full Tunnel
- Remote Desktop Connection
- Remote Desktop Gateway
- SSH
- Virtual Network Computing (VNC)
- Virtual Desktop
- Authentication and Authorization Considerations
- In-Band vs Out-of-Band Management
- REVIEW
- 44 QUESTIONS
- 44 ANSWERS
- Objective 45 Explain the importance of physical security
- Detection Methods
- Camera
- Motion Detection
- Asset Tags
- Tamper Detection
- Prevention Methods
- Employee Training
- Access Control Hardware
- Locking Racks, Locking Cabinets
- Access Control Vestibule (Previously Known as a Mantrap)
- Smart Lockers
- Asset Disposal
- Factory Reset/Wipe Configuration
- Sanitize Devices for Disposal
- REVIEW
- 45 QUESTIONS
- 45 ANSWERS
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- 50 Network Troubleshooting
- Objective 51 Explain the network troubleshooting methodology
- Identify the Problem
- Gather Information
- Question Users
- Identify Symptoms
- Determine if Anything Has Changed
- Duplicate the Problem, if Possible
- Approach Multiple Problems Individually
- Establish a Theory of Probable Cause
- Question the Obvious
- Consider Multiple Approaches
- Test the Theory to Determine the Cause
- If the Theory Is Confirmed, Determine the Next Steps
- to Resolve the Problem
- If the Theory Is Not Confirmed, Reestablish a New Theory or Escalate
- Establish a Plan of Action to Resolve the Problem and Identify
- Potential Effects
- Implement the Solution or Escalate As Necessary
- Verify Full System Functionality and, if Applicable, Implement
- Preventive Measures
- Document Findings, Actions, Outcomes, and Lessons Learned
- REVIEW
- 51 QUESTIONS
- 51 ANSWERS
- Objective 52 Given a scenario, troubleshoot common cable
- connectivity issues and select the appropriate tools
- Specifications and Limitations
- Throughput
- Speed
- Distance
- Cable Considerations
- Shielded and Unshielded
- Plenum and Riser-Rated
- Cable Application
- Rollover Cable/Console Cable
- Crossover Cable
- Power over Ethernet
- Common Issues
- Attenuation
- Interference
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- Decibel (dB) Loss
- Incorrect Pinout
- Bad Ports
- Open/Short
- Light-Emitting Diode (LED) Status Indicators
- Incorrect Transceivers
- Duplexing Issues
- Transmit and Receive (TX/RX) Reversed
- Dirty Optical Cables
- Common Tools
- Cable Crimper
- Punchdown Tool
- Tone Generator
- Loopback Adapter
- Optical Time-Domain Reflectometer (OTDR)
- Multimeter
- Cable Tester
- Wire Map
- Tap
- Fusion Splicers
- Spectrum Analyzers
- Snips/Cutters
- Cable Stripper
- Fiber Light Meter
- REVIEW
- 52 QUESTIONS
- 52 ANSWERS
- Objective 53 Given a scenario, use the appropriate network
- software tools and commands.
- Software Tools
- WiFi Analyzer
- Protocol Analyzer/Packet Capture
- Bandwidth Speed Tester
- Port Scanner
- iperf
- NetFlow Analyzers
- Trivial File Transfer Protocol (TFTP) Server
- Terminal Emulator
- IP Scanner
- Command Line Tool
- ping
- ipconfig/ifconfig/ip
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- nslookup/dig
- traceroute/tracert
- arp
- netstat
- hostname
- route
- telnet
- tcpdump
- nmap
- Basic Network Platform Commands
- show interface
- show config
- show route
- REVIEW
- 53 QUESTIONS
- 53 ANSWERS
- Objective 54 Given a scenario, troubleshoot common wireless
- connectivity issues
- Specifications and Limitations
- Throughput
- Speed
- Distance
- Received Signal Strength Indication (RSSI) Signal Strength
- Effective Isotropic Radiated Power (EIRP)/Power Settings
- Considerations
- Antennas
- Channel Utilization
- AP Association Time
- Site Survey
- Common Issues
- Interference
- Antenna Cable Attenuation/Signal Loss
- RF Attenuation/Signal Loss
- Wrong SSID
- Incorrect Passphrase
- Encryption Protocol Mismatch
- Insufficient Wireless Coverage
- Captive Portal Issues
- Client Disassociation Issues
- REVIEW
- 54 QUESTIONS
- 54 ANSWERS
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- Contents
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- Objective 55 Given a scenario, troubleshoot general
- networking issues
- Considerations
- Device Configuration Review
- Routing Tables
- Interface Status
- VLAN Assignment
- Network Performance Baselines
- Common Issues
- Collisions
- Broadcast Storm
- Duplicate MAC Address
- Duplicate IP Address
- Multicast Flooding
- Asymmetrical Routing
- Switching Loops
- Routing Loops
- Rogue DHCP Server
- DHCP Scope Exhaustion
- IP Setting Issues
- Missing Route
- Low Optical Link Budget
- Certificate Issues
- Hardware Failure
- Host-Based/Network-Based Firewall Settings
- Blocked Services, Ports, or Addresses
- Incorrect VLAN
- DNS Issues
- NTP Issues
- BYOD Challenges
- Licensed Feature Issues
- Network Performance Issues
- REVIEW
- 55 QUESTIONS
- 55 ANSWERS
- A About the Online Content
- System Requirements
- Your Total Seminars Training Hub Account
- Privacy Notice
- Single User License Terms and Conditions
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- TotalTester Online
- Pre-Assessment Test
- Other Book Resources
- TotalSims for Network+
- Mike's Video Training
- Mike's Cool Tools
- Technical Support
- Index.