CompTIA Network+ certification (N10-006日本語版) : N10-006日本語

Exam Code: N10-006J
Exam Name: CompTIA Network+ certification (N10-006日本語版)
Updated: Sep 07, 2025
Q & A: 880 Questions and Answers

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CompTIA N10-006 Exam Certification Details:

Exam Name	Network+
Passing Score	720/900
Exam Price	$294 USD
Duration	90 minutes
Recommended Training	CompTIA Network+ Training
Exam Registration	PEARSON VUE
Number of Questions	90
Exam Code	N10-006 N+
Sample Questions	CompTIA N10-006 Sample Questions

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CompTIA N10-006 Exam Topics:

Section	Objectives
Network Architecture 22%
Explain the functions and applications of various network devices.	1.Router 2. Switch 3.Multilayer switch 4. Firewall 5. HIDS 6. IDS/IPS 7. Access point (wireless/wired) 8.Content filter 9.Load balancer 10.Hub 11.Analog modem 12.Packet shaper 13.VPN concentrator
Compare and contrast the use of networking services and applications.	1.VPN Site-to-site/host-to-site/host-to-host Protocols IPSec GRE SSL VPN PTP/PPTP 2.TACACS/RADIUS 3.RAS 4.Web services 5.Unified voice services 6.Network controllers
Install and configure the following networking services/applications.	1.DHCP Static vs. dynamic IP addressing Reservations Scopes Leases Options (DNS servers, suffixes) IP helper/DHCP relay 2.DNS DNS servers DNS records (A, MX, AAAA, CNAME, PTR) Dynamic DNS 3.Proxy/reverse proxy 4.NAT PAT SNAT DNAT 5.Port forwarding
Explain the characteristics and benefits of various WAN technologies.	1.Fiber SONET DWDM CWDM 2.Frame relay 3.Satellite 4.Broadband cable 5.DSL/ADSL 6. ISDN 7.ATM 8.PPP/multilink PPP 9.MPLS 10.GSM/CDMA LTE/4G HSPA+ 3G Edge 11.Dialup 12.WiMAX 13.MetroEthernet 14.Leased lines T-1 T-3 E-1 E-3 OC3 OC12 15.Circuit switch vs. packet switch
Install and properly terminate various cable types and connectors using appropriate tools.	1.Copper connectors RJ-11 RJ-45 RJ-48C DB-9/RS-232 DB-25 UTP coupler BNC coupler BNC F-connector 110 block 66 block 2.Copper cables Shielded vs. unshielded CAT3, CAT5, CAT5e, CAT6, CAT6a PVC vs. plenum RG-59 RG-6 Straight-through vs. crossover vs. rollover 3.Fiber connectors ST SC LC MTRJ FC Fiber coupler 4.Fiber cables Single-mode Multimode APC vs. UPC 5.Media converters Single-mode fiber to Ethernet Multimode fiber to Ethernet Fiber to coaxial Single-mode to multimode fiber 6.Tools Cable crimpers Punchdown tool Wire strippers Snips OTDR Cable certifier
Differentiate between common network topologies.	1. Mesh Partial Full 2.Bus3. Ring 4.Star 5.Hybrid 6. Point-to-point 7.Point-to-multipoint 8. Client-server 9.Peer-to-peer
Differentiate between network infrastructure implementations.	1.WAN 2.MAN 3.LAN 4.WLAN Hotspot 5.PAN Bluetooth IR NFC 6.SCADA/ICS ICS server DCS/closed network Remote terminal unit Programmable logic controller 7.Medianets VTC ISDN IP/SIP
Given a scenario, implement and configure the appropriate addressing schema.	1.IPv6 Auto-configuration EUI 64 DHCP6 Link local Address structure Address compression Tunneling 6to4, 4to6 Teredo, miredo 2.IPv4 Address structure Subnetting APIPA Classful A, B, C, D Classless 3. Private vs. public 4.NAT/PAT 5.MAC addressing 6.Multicast 7.Unicast 8.Broadcast 9.Broadcast domains vs. collision domains
Explain the basics of routing concepts and protocols.	1.Loopback interface 2.Routing loops 3.Routing tables 4.Static vs. dynamic routes 5.Default route 6.Distance vector routing protocols RIPv2 7.Hybrid routing protocols BGP 8.Link state routing protocols OSPF IS-IS 9. Interior vs. exterior gateway routing protocols 10.Autonomous system numbers 11.Route redistribution 12.High availability VRRP Virtual IP HSRP 13.Route aggregation 14.Routing metrics Hop counts MTU, bandwidth Costs Latency Administrative distance SPB
Identify the basics elements of unified communication technologies.	1. VoIP 2.Video 3.Real-time services Presence Multicast vs. unicast 4. QoS DSCP COS 5.Devices UC servers UC devices UC gateways
Compare and contrast technologies that support cloud and virtualization.	1.Virtualization Virtual switches Virtual routers Virtual firewall Virtual vs. physical NICs Software-defined networking 2.Storage area network iSCSI Jumbo frame Fibre Channel Network attached storage 3.Cloud concepts Public IaaS, SaaS, PaaS Private IaaS, SaaS, PaaS Hybrid IaaS, SaaS, PaaS Community IaaS, SaaS, PaaS
Given a set of requirements, implement a basic network.	1. List of requirements 2.Device types/requirements 3.Environment limitations 4.Equipment limitations 5.Compatibility requirements 6.Wired/wireless considerations 7.Security considerations
Network Operations 20%
Given a scenario, use appropriate monitoring tools.	1.Packet/network analyzer 2.Interface monitoring tools 3.Port scanner 4.Top talkers/listeners 5.SNMP management software Trap Get Walk MIBS 6.Alerts Email SMS 7.Packet flow monitoring 8.SYSLOG 9.SIEM 10.Environmental monitoring tools Temperature Humidity 11.Power monitoring tools 12.Wireless survey tools 13.Wireless analyzers
Given a scenario, analyze metrics and reports from monitoring and tracking performance tools.	1.Baseline 2.Bottleneck 3.Log management 4.Graphing 5.Utilization Bandwidth Storage Network device CPU Network device memory Wireless channel utilization 6.Link status 7.Interface monitoring Errors Utilization Discards Packet drops Interface resets Speed and duplex
Given a scenario, use appropriate resources to support configuration management.	1.Archives/backups 2.Baselines 3. On-boarding and off-boarding of mobile devices 4.NAC 5.Documentation Network diagrams (logical/physical) Asset management IP address utilization Vendor documentation Internal operating procedures/ policies/standards
Explain the importance of implementing network segmentation.	1.SCADA systems/industrial control systems 2.Legacy systems 3.Separate private/public networks 4.Honeypot/honeynet 5.Testing lab 6.Load balancing 7.Performance optimization 8.Security 9.Compliance
Given a scenario, install and apply patches and updates.	1.OS updates 2.Firmware updates 3.Driver updates 4.Feature changes/updates 5.Major vs. minor updates 6.Vulnerability patches 7.Upgrading vs. downgrading Configuration backup
Given a scenario, configure a switch using proper features.	1.VLAN Native VLAN/default VLAN VTP 2. Spanning tree (802.1d)/rapid spanning tree (802.1w) Flooding Forwarding/blocking Filtering 3.Interface configuration Trunking/802.1q Tag vs. untag VLANs Port bonding (LACP) Port mirroring (local vs. remote) Speed and duplexing IP address assignment VLAN assignment 4. Default gateway 5.PoE and PoE+ (802.3af, 802.3at) 6.Switch management User/passwords AAA configuration Console Virtual terminals In-band/out-of-band management 7.Managed vs. unmanaged
Install and configure wireless LAN infrastructure and implement the appropriate technologies in support of wireless capable devices.	1.Small office, home office wireless router 2.Wireless access points Device density Roaming Wireless controllers VLAN pooling LWAPP 3.Wireless bridge 4.Site surveys Heat maps 5.Frequencies 2.4 Ghz 5.0 Ghz 6.Channels 7.Goodput 8.Connection types 802.11a-ht 802.11g-ht 9.Antenna placement 10.Antenna types Omnidirectional Unidirectional 11.MIMO/MU-MIMO 12.Signal strength Coverage Differences between device antennas 13.SSID broadcast 14.Topologies Ad hoc Mesh Infrastructure 15.Mobile devices Cell phones Laptops Tablets Gaming devices Media devices
Network Security 18%
Compare and contrast risk related concepts.	1. Disaster recovery2. Business continuity 3. Battery backups/UPS 4. First responders 5. Data breach 6.End user awareness and training 7.Single point of failure Critical nodes Critical assets Redundancy 8.Adherence to standards and policies 9.Vulnerability scanning 10.Penetration testing
Compare and contrast common network vulnerabilities and threats.	1.Attacks/threats DoS istributed DoS Botnet Traffic spike Coordinated attack Reflective/amplified DNS NTP Smurfing Friendly/unintentional DoS Physical attack Permanent DoS ARP cache poisoning Packet/protocol abuse Spoofing Wireless Evil twin Rogue AP War driving War chalking Bluejacking Bluesnarfing WPA/WEP/WPS attacks Brute force Session hijacking Social engineering Man-in-the-middle VLAN hopping Compromised system Effect of malware on the network Insider threat/malicious employee Zero-day attacks 2.Vulnerabilities Unnecessary running services Open ports Unpatched/legacy systems Unencrypted channels Clear text credentials Unsecure protocols TELNET HTTP SLIP FTP TFTP SNMPv1 and SNMPv2 TEMPEST/RF emanation
Given a scenario, implement network hardening techniques.	1.Anti-malware software Host-based Cloud/server-based Network-based 2.Switch port security DHCP snooping ARP inspection MAC address filtering VLAN assignments Network segmentation 3.Security policies 4.Disable unneeded network services 5.Use secure protocols SSH SNMPv3 TLS/SSL SFTP HTTPS IPSec 6.Access lists Web/content filtering Port filtering IP filtering Implicit deny 7.Wireless security WEP WPA/WPA2 Enterprise Personal TKIP/AES 802.1x TLS/TTLS MAC filtering 8.User authentication CHAP/MSCHAP PAP EAP Kerberos Multifactor authentication Two-factor authentication Single sign-on 9.Hashes MD5 SHA
Compare and contrast physical security controls.	1.Mantraps 2.Network closets 3.Video monitoring IP cameras/CCTVs 4.Door access controls 5.Proximity readers/key fob 6. Biometrics 7.Keypad/cipher locks 8.Security guard
Given a scenario, install and configure a basic firewall.	1.Types of firewalls Host-based Network-based Software vs. hardware Application aware/context aware Small office, home office firewall Stateful vs. stateless inspection UTM 2.Settings/techniques ACL Virtual wire vs. routed DMZ Implicit deny Block/allow Outbound traffic Inbound traffic Firewall placement Internal/externa
Explain the purpose of various network access control models.	1. 802.1x2. Posture assessment 3. Guest network 4. Persistent vs. non-persistent agents 5. Quarantine network 6. Edge vs. access control
Summarize basic forensic concepts.	1. First responder2. Secure the area Escalate when necessary 3. Document the scene 4. eDiscovery 5. Evidence/data collection 6. Chain of custody 7. Data transport 8. Forensics report 9. Legal hold
Troubleshooting 24%
Given a scenario, implement the following network troubleshooting methodology.	1.Identify the problem Gather information Duplicate the problem, if possible Question users Identify symptoms Determine if anything has changed Approach multiple problems individually 2.Establish a theory of probable cause Question the obvious Consider multiple approaches Top-to-bottom/ bottom-to-top OSI model Divide and conquer 3.Test the theory to determine cause Once theory is confirmed, determine next steps to resolve problem If theory is not confirmed, re- establish new theory or escalate 4. Establish a plan of action to resolve the problem and identify potential effects 5. Implement the solution or escalate as necessary 6. Verify full system functionality and, if applicable, implement preventative measures 7. Document findings, actions and outcomes
Given a scenario, analyze and interpret the output of troubleshooting tools.	1.Command line tools ipconfig netstat ifconfig ping/ping6/ping -6 tracert/tracert -6/ traceroute6/traceroute -6 nbtstat nslookup arp mac address lookup table pathping 2. Line testers 3. Certifiers 4. Multimeter 5. Cable tester 6. Light meter 7. Toner probe 8. Speed test sites 9. Looking glass sites 10. WiFi analyzer 11. Protocol analyzer
Given a scenario, troubleshoot and resolve common wireless issues.	1. Signal loss2. Interference 3. Overlapping channels Mismatched channels 4. Signal-to-noise ratio 5. Device saturation 6.Untested updates 7. Wrong SSID 8. Power levels 9. Open networks 10. Rogue access point 11. Wrong antenna type 12. Incompatibilities 13. Wrong encryption 14. Bounce 15.MIMO 16. AP placement 17. AP configurations LWAPP Thin vs. thick 18.Environmental factors Concrete walls Window film Metal studs 19.Wireless-standard-related issues Throughput Frequency Distance Channels
Given a scenario, troubleshoot and resolve common copper cable issues.	1. Shorts2. Opens 3. Incorrect termination (mismatched standards) Straight-through Crossover 4.Cross-talk Near end Far end 5. EMI/RFI 6. Distance limitations 7. Attenuation/Db loss 8. Bad connector 9. Bad wiring 10. Split pairs 11. Tx/Rx reverse 12. Cable placement 13. Bad SFP/GBIC - cable or transceiver
Given a scenario, troubleshoot and resolve common fiber cable issues.	1. Attenuation/Db loss2. SFP/GBIC - cable mismatch 3. Bad SFP/GBIC - cable or transceiver 4. Wavelength mismatch 5. Fiber type mismatch 6. Dirty connectors 7. Connector mismatch 8. Bend radius limitations 9. Distance limitations
Given a scenario, troubleshoot and resolve common network issues.	1. Incorrect IP configuration/default gateway2. Broadcast storms/switching loop 3. Duplicate IP 4. Speed and duplex mismatch 5. End-to-end connectivity 6. Incorrect VLAN assignment 7. Hardware failure 8. Misconfigured DHCP 9.Misconfigured DNS 10 Incorrect interface/interface misconfiguration 11. Cable placement 12. Interface errors 13. Simultaneous wired/wireless connections 14. Discovering neighboring devices/nodes 15. Power failure/power anomalies 16.MTU/MTU black hole 17. Missing IP routes 18. NIC teaming misconfiguration Active-active vs. active-passive Multicast vs. broadcast
Given a scenario, troubleshoot and resolve common security issues.	1. Misconfigured firewall2.Misconfigured ACLs/applications 3. Malware 4.DoS 5. Open/closed ports 6.ICMP-related issues Ping of death Unreachable default gateway 7. Unpatched firmware/OSs 8. Malicious users Trusted Untrusted users Packet sniffing 9.Authentication issues TACACS/RADIUS misconfigurations Default passwords/settings 10. Improper access/backdoor access 11. ARP issues 12. Banner grabbing/OUI/TCP ports 13. Domain/local group configurations 14. Jamming
Given a scenario, troubleshoot and resolve common WAN issues.	1. Loss of Internet connectivity2. Interface errors 3. Split horizon 4. DNS issues 5. Interference 6. Router configurations 7.Customer premise equipment Smart jack/NIU Demarc Loopback CSU/DSU Copper line drivers/repeaters 8.Company security policy Throttling Blocking Fair access policy/utilization limits 9.Satellite issues Latency
Industry Standards, Practices and Network Theory 16%
Analyze a scenario and determine the corresponding OSI layer.	1. Layer 1 – Physical 2. Layer 2 – Data link 3. Layer 3 – Network 4. Layer 4 – Transport 5. Layer 5 – Session 6. Layer 6 – Presentation 7. Layer 7 – Application
Explain the basics of network theory and concepts.	1. Encapsulation/de-encapsulation2. Modulation techniques Multiplexing De-multiplexing Analog and digital techniques TDM 3.Numbering systems Binary Hexadecimal Octal 4. Broadband/baseband 5. Bit rates vs. baud rates 6. Sampling size 7. CDMA 8. CSMA/CD and CSMA/CA 9. Carrier detect/sense 10. Wavelength 11. TCP/IP suite ICMP UDP TCP 12.Collision
Given a scenario, deploy the appropriate wireless standard.	1. 802.11a2. 802.11b 3. 802.11g 4. 802.11n 5. 802.11ac
Given a scenario, deploy the appropriate wired connectivity standard.	1.Ethernet standards 10BaseT 100BaseT 1000BaseT 1000BaseTX 10GBaseT 100BaseFX 10Base2 10GBaseSR 10GBaseER 10GBaseSW IEEE 1905.1-2013 Ethernet over HDMI Ethernet over power line 2.Wiring standards EIA/TIA 568A/568B 3. Broadband standards DOCSIS
Given a scenario, implement the appropriate policies or procedures.	1.Security policies Consent to monitoring 2.Network policies 3.Acceptable use policy 4.Standard business documents SLA MOU MSA SOW
Summarize safety practices.	1.Electrical safety Grounding 2.ESD Static 3.Installation safety Lifting equipment Rack installation Placement Tool safety 4. MSDS 5. Emergency procedures Building layout Fire escape plan Safety/emergency exits Fail open/fail close Emergency alert system 6. Fire suppression systems 7. HVAC
Given a scenario, install and configure equipment in the appropriate location using best practices.	1. Intermediate distribution frame2. Main distribution frame 3. Cable management Patch panels 4.Power management Power converters Circuits UPS Inverters Power redundancy 5. Device placement 6. Air flow 7. Cable trays 8. Rack systems Server rail racks Two-post racks Four-post racks Free-standing racks 9.Labeling Port labeling System labeling Circuit labeling Naming conventions Patch panel labeling 10. Rack monitoring 11. Rack security
Explain the basics of change management procedures.	1.Document reason for a change 2.Change request Configuration procedures Rollback process Potential impact Notification 3.Approval process 4.Maintenance window Authorized downtime 5.Notification of change 6.Documentation Network configurations Additions to network Physical location changes
Compare and contrast the following ports and protocols.	1. 80 HTTP 2. 443 HTTPS 3. 137-139 NetBIOS 4. 110 POP 5. 143 IMAP 6. 25 SMTP 7. 5060/5061 SIP 8. 2427/2727 MGCP 9. 5004/5005 RTP 10. 1720 H.323 11. TCP Connection-oriented 12. UDP Connectionless
Given a scenario, configure and apply the appropriate ports and protocols.	1. 20,21 FTP2. 161 SNMP 3. 22 SSH 4. 23 Telnet 5. 53 DNS 6. 67,68 DHCP 7. 69 TFTP 8. 445 SMB 9. 3389 RDP

Reference: https://certification.comptia.org/certifications/network

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