CompTIA Network+ Certification : N10-007

  • Exam Code: N10-007
  • Exam Name: CompTIA Network+ Certification Exam
  • Updated: Aug 10, 2026
  • Q & A: 690 Questions and Answers

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About CompTIA N10-007 Exam Questions

What Domains Should a Candidate Expect Under Network+ N10-007?

The certification exam for Network+ covers a number of topics through which the skills and knowledge of each applicant are tested. These topics are distributed into the subsequent domains:

  • Network operations (monitoring, managing, and responding to alerts on the performance of networks and availability, providing disaster recovery, using remote access, and defining policies)

  • Networking concepts (knowledge in the application of switches, routers, and wireless access points, as well as configuring IP addressing, and understanding the use of various protocols and ports)

  • Network tools and troubleshooting (troubleshooting methodologies, choosing suitable tools, troubleshooting wired and wireless connectivity)

  • Infrastructure (deployment of cabling solutions, installation and configuring network devices, storage, WAN, and virtualization, among the rest)

  • Network security (concepts that are critical for the safety of information and overall data storage, including authentication, mitigation techniques, etc.)

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

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CompTIA N10-007 Exam Syllabus Topics:

TopicDetails

Networking Concepts - 23%

Explain the purposes and uses of ports and protocols.1.Protocols and ports
  • SSH 22
  • DNS 53
  • SMTP 25
  • SFTP 22
  • FTP 20, 21
  • TFTP 69
  • TELNET 23
  • DHCP 67, 68
  • HTTP 80
  • HTTPS 443
  • SNMP 161
  • RDP 3389
  • NTP 123
  • SIP 5060, 5061
  • SMB445
  • POP 110
  • IMAP 143
  • LDAP 389
  • LDAPS 636
  • H.323 1720
2.Protocol types
  • ICMP
  • UDP
  • TCP
  • IP
3.Connection-oriented vs. connectionless
Explain devices, applications, protocols and services at their appropriate OSI layers.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 concepts and characteristics of routing and switching.1. Properties of network traffic
  • Broadcast domains
  • CSMA/CD
  • CSMA/CA
  • Collision domains
  • Protocol data units
  • MTU
  • Broadcast
  • Multicast
  • Unicast
2.Segmentation and interface properties
  • VLANs
  • Trunking (802.1q)
  • Tagging and untagging ports
  • Port mirroring
  • Switching loops/spanning tree
  • PoE and PoE+ (802.3af, 802.3at)
  • DMZ
  • MAC address table
  • ARP table
3. Routing
  • Routing protocols (IPv4 and IPv6)
    - Distance-vector routing protocols
    • RIP
    • EIGRP

    - Link-state routing protocols

    • OSPF
    - Hybrid
    • BGP


  • Routing types
    StaticDynamicDefault

4.IPv6 concepts
  • Addressing
  • Tunneling
  • Dual stack
  • Router advertisement
  • Neighbor discovery
5.Performance concepts
  • Traffic shaping
  • QoS
  • Diffserv
  • CoS
6.NAT/PAT
7.Port forwarding
8.Access control list
9. Distributed switching
10. Packet-switched vs. circuit switched network
11.Software-defined networking




Given a scenario, configure the appropriate IP addressing components.1.Private vs. public
2. Loopback and reserved
3.Default gateway
4. Virtual IP
5.Subnet mask
6. Subnetting
  • ClassfulClasses A, B, C, D, and E
  • Classless
    VLSM
    CIDR notation (IPv4 vs. IPv6)
7.Address assignments
  • DHCP
  • DHCPv6
  • Static
  • APIPA
  • EUI64
  • IP reservations
Compare and contrast the characteristics of network topologies, types and technologies.1. Wired topologies
  • Logical vs. physical
  • Star
  • Ring
  • Mesh
  • Bus
2.Wireless topologies
  • Mesh
  • Ad hoc
  • Infrastructure
3.Types
  • LAN
  • WLAN
  • MAN
  • WAN
  • CAN
  • SAN
  • PAN
4. Technologies that facilitate the Internet of Things (IoT)
  • Z-Wave
  • Ant+
  • Bluetooth
  • NFC
  • IR
  • RFID
  • 802.11


Given a scenario, implement the appropriate wireless technologies and configurations.1.802.11 standards
  • a
  • b
  • g
  • n
  • ac

2. Cellular

  • GSM
  • TDMA
  • CDMA
3.Frequencies
  • 2.4GHz
  • 5.0GHz
4.Speed and distance requirements
5.Channel bandwidth
6.Channel bonding
7.MIMO/MU-MIMO
8.Unidirectional/omnidirectiona
9.Site surveys
Summarize cloud concepts and their purposes.1.Types of services
  • SaaS
  • PaaS
  • IaaS
2.Cloud delivery models
  • Private
  • Public
  • Hybrid
3.Connectivity methods
4.Security implications/considerations
5. Relationship between local and cloud resources
Explain the functions of network services.1. DNS service
  • Record types
    A, AAAATXT (SPF, DKIM)
    SRV
    MXCNAME
    NS
    PTR

  • Internal vs. external DNS
  • Third-party/cloud-hosted DNS
  • Hierarchy
  • Forward vs. reverse zone
2.DHCP service
  • MAC reservations
  • Pools
  • IP exclusions
  • Scope options
  • Lease time
  • TTL
  • DHCP relay/IP helper
3.NTP
​4.IPAM

Infrastructure - 18%

Given a scenario, deploy the appropriate cabling solution.1.Media types
  • CopperUTP
    STP
    ​Coaxial
  • Fiber
    Single-mode
    Multimode
2.Plenum vs. PVC
3. Connector types
  • Copper
    RJ-45
    RJ-11BNC
    DB-9
    DB-25
    F-type
  • Fiber
    LCST
  • SCAPC
    UPC
  • MTR
4.Transceivers
  • SFP
  • GBIC
  • SFP+
  • QSFP
  • Characteristics of fiber transceiversBidirectional
    Duplex
5.Termination points
  • 66 block
  • 110 block
  • Patch panel
  • Fiber distribution panel
6.Copper cable standards
  • Cat 3
  • Cat 5
  • Cat 5e
  • Cat 6
  • Cat6a
  • Cat 7
  • RG-6
  • RG-59
7.Copper termination standards
  • TIA/EIA 568a
  • TIA/EIA 568b
  • Crossover
  • Straight-through
8. Ethernet deployment standards
  • 100BaseT
  • 1000BaseT
  • 1000BaseLX
  • ​1000BaseSX
  • 10GBaseT







Given a scenario, determine the appropriate placement of networking devices on a network and install/configure them.1.Firewall
2. Router
3. Switch
4. Hub
5.Bridge
6.Modems
7.Wireless access point
8. Media converter9. Wireless range extender
10.VoIP endpoint
Explain the purposes and use cases for advanced networking devices.1. Multilayer switch
2.Wireless controller
3. Load balancer4.IDS/IPS
5. Proxy server
6.VPN concentrator
7. AAA/RADIUS server
8.UTM appliance
9.NGFW/Layer 7 firewall
10. VoIP PBX
11.VoIP gateway
12. Content filter
Explain the purposes of virtualization and network storage technologies.1.Virtual networking components
  • Virtual switch
  • Virtual firewall
  • Virtual NIC
  • Virtual router
  • Hypervisor
2.Network storage types
  • NAS
  • SAN
3.Connection type
  • FCoE
  • Fibre Channel
  • iSCSI
  • InfiniBand
4. Jumbo frame





Compare and contrast WAN technologies.1. Service type
  • ISDN
  • T1/T3
  • E1/E3
  • OC-3 – OC-192
  • DSL
  • Metropolitan Ethernet
  • Cable broadband
  • Dial-up
  • PRI
2.Transmission mediums
  • Satellite
  • Copper
  • Fiber
  • Wireless
3.Characteristics of service
  • MPLS
  • ATM
  • Frame relay
  • PPPoE
  • PPP
  • DMVPN
  • SIP trunk
4. Termination
  • Demarcation point
  • CSU/DSU
  • Smart jack




Network Operations - 17%

Given a scenario, use appropriate documentation and diagrams to manage the network.1.Diagram symbols
2. Standard operating procedures/ work instructions
3.Logical vs. physical diagrams
4. Rack diagrams
5. Change management documentation
6. Wiring and port locations
7.IDF/MDF documentation
8.Labeling
9. Network configuration and performance baselines
10.Inventory management
Compare and contrast business continuity and disaster recovery concepts.1.Availability concepts
  • Fault tolerance
  • High availability
  • Load balancing
  • NIC teaming
  • Port aggregation
  • Clustering
  • Power management
    Battery backups/UPS
    Power generators
    Dual power supplies
    Redundant circuits
2.Recovery
  • Cold sites
  • Warm sites
  • Hot sites
  • Backups
    Full
    Differential
    Incrementa
  • Snapshots
3. MTTR
4. MTBF
5.SLA requirements
Explain common scanning, monitoring and patching processes and summarize their expected outputs.1.Processes
  • Log reviewing
  • Port scanning
  • Vulnerability scanning
  • Patch management
    Rollback
  • Reviewing baselines
  • Packet/traffic analysis

2.Event management

  • Notifications
  • Alerts
  • SIEM
3.SNMP monitors
  • MIB
4.Metrics
  • Error rate
  • Utilization
  • Packet drops
  • Bandwidth/throughput

Given a scenario, use remote access methods.1. VPN
  • IPSec
  • SSL/TLS/DTLS
  • Site-to-site
  • Client-to-site

2. RDP
3.SSH
4.VNC
5.Telnet
6. HTTPS/management URL
7.Remote file access

  • FTP/FTPS
  • SFTP
  • TFTP

8.Out-of-band management

  • Modem
  • Console router
Identify policies and best practices.1.Privileged user agreement
2.Password policy
3.On-boarding/off-boarding procedures
4.Licensing restrictions
5.International export controls
6. Data loss prevention
7.Remote access policies
8.Incident response policies
9.BYOD
10.AUP
​11.NDA
12. System life cycle
  • Asset disposal

13.Safety procedures and policies

Network Security - 20%

Summarize the purposes of physical security devices.1. Detection
  • Motion detection
  • Video surveillance
  • Asset tracking tags
  • Tamper detection
2. Prevention
  • Badges
  • Biometrics
  • Smart cards
  • Key fob
  • Locks

Explain authentication and access controls.1. Authorization, authentication and accounting
  • RADIUS
  • TACACS+
  • Kerberos
  • Single sign-on
  • Local authentication
  • LDAP
  • Certificates
  • Auditing and logging
2. Multifactor authentication
  • Something you know
  • Something you have
  • Something you are
  • Somewhere you are
  • Something you do
3. Access control
  • 802.1x
  • NAC
  • Port security
  • MAC filtering
  • Captive portal
  • Access control lists
Given a scenario, secure a basic wireless network.1.WPA
2. WPA2
3.TKIP-RC4
4.CCMP-AES
5.Authentication and authorization
  • EAPPEAP
    EAP-FASTEAP-TLS

  • Shared or open
  • Preshared key
  • MAC filtering

6.Geofencing

Summarize common networking attacks.1.DoS
  • Reflective
  • Amplified
  • Distributed
2.Social engineering
3. Insider threat
4. Logic bomb
5.Rogue access point
6. Evil twin
7.War-driving
8. Phishing
9.Ransomware
10.DNS poisoning
11.ARP poisoning
12. Spoofing
13.Deauthentication
14. Brute force
15.VLAN hopping
16. Man-in-the-middle
17.Exploits vs. vulnerabilities
Given a scenario, implement network device hardening.1.Changing default credentials
2.Avoiding common passwords
3. Upgrading firmware
4.Patching and updates
5.File hashing
6.Disabling unnecessary services
7.Using secure protocols
8.Generating new keys
9.Disabling unused ports
  • IP ports
  • Device ports (physical and virtual)
Explain common mitigation techniques and their purposes.1. Signature management
2.Device hardening
3.Change native VLAN
4. Switch port protection
  • Spanning tree
  • Flood guard
  • BPDU guard
  • Root guard
  • DHCP snooping
5. Network segmentation
  • DMZ
  • VLAN
6. Privileged user account
7. File integrity monitoring
8.Role separation
9. Restricting access via ACLs
10.Honeypot/honeynet
11.Penetration testing

Network Troubleshooting and Tools - 22%

Explain the network troubleshooting methodology.1. Identify the problem
  • Gather information
  • Duplicate the problem, if possible
  • Question users
  • Identify symptoms
  • Determine if anything has changed
  • Approach multipleproblems individually
2.Establish a theory of probable cause
  • Question the obvious
  • Consider multiple approachesTop-to-bottom/bottom-to-top OSI model
    Divide and conquer
3.Test the theory to determine the cause
  • Once the theory is confirmed, determine the next steps to resolve the problem
  • If the theory is not confirmed, reestablish a 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 preventive measures
7. Document findings, actions, and outcomes



Given a scenario, use the appropriate tool.1. Hardware tools
  • Crimper
  • Cable tester
  • Punchdown tool
  • OTDR
  • Light meter
  • Tone generator
  • Loopback adapter
  • Multimeter
  • Spectrum analyzer
2. Software tools
  • Packet sniffer
  • Port scanner
  • Protocol analyzer
  • WiFi analyzer
  • Bandwidth speed tester
  • Command line
    ping
    tracert, traceroute
    nslookupipconfig
    ifconfigiptables
    netstattcpdumppathping
    nmaproutearp
    dig





Given a scenario, troubleshoot common wired connectivity and performance issues.1.Attenuation
2.Latency
3. Jitter
4. Crosstalk
5. EMI
6.Open/short
7.Incorrect pin-out
8. Incorrect cable type
9.Bad port
10. Transceiver mismatch
11.TX/RX reverse
12. Duplex/speed mismatch
13.Damaged cables
14.Bent pins
15.Bottlenecks
16. VLAN mismatch
17. Network connection LED status indicators
Given a scenario, troubleshoot common wireless connectivity and performance issues.1. Reflection
2.Refraction
3.Absorption
4.Latency
5.Jitter
6. Attenuation
7.Incorrect antenna type
8.Interference
9.Incorrect antenna placement
10.Channel overlap
11.Overcapacity
12. Distance limitations
13. Frequency mismatch
14. Wrong SSID
15.Wrong passphrase
16.Security type mismatch
17. Power levels
18. Signal-to-noise ratio
Given a scenario, troubleshoot common network service issues.1. Names not resolving
2.Incorrect gateway
3.Incorrect netmask
4.Duplicate IP addresses
5.Duplicate MAC addresses
6.Expired IP address
7. Rogue DHCP server
8.Untrusted SSL certificate
9.Incorrect time
10.Exhausted DHCP scope
11.Blocked TCP/UDP ports
12. Incorrect host-based firewall settings
13.Incorrect ACL settings
14.Unresponsive service
15.Hardware failure

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