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| 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
5.Port forwarding
|
| Explain the characteristics and benefits of various WAN technologies. | 1.Fiber
2.Frame relay 3.Satellite 4.Broadband cable 5.DSL/ADSL 6. ISDN 7.ATM 8.PPP/multilink PPP 9.MPLS 10.GSM/CDMA
11.Dialup 12.WiMAX 13.MetroEthernet 14.Leased lines
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
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
5.PAN
6.SCADA/ICS- ICS server
- DCS/closed network
- Remote terminal unit
- Programmable logic controller
7.Medianets
|
| 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
7.Hybrid routing protocols
8.Link state routing protocols
9. Interior vs. exterior gateway routing protocols 10.Autonomous system numbers 11.Route redistribution 12.High availability
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
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
6.Alerts
7.Packet flow monitoring 8.SYSLOG 9.SIEM 10.Environmental monitoring tools
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
|
| 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
5.Frequencies
6.Channels 7.Goodput 8.Connection types
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
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
|
| Compare and contrast physical security controls. | 1.Mantraps 2.Network closets 3.Video monitoring
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
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
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
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
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
|
| 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
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
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
3. Broadband standards
|
| Given a scenario, implement the appropriate policies or procedures. | 1.Security policies
2.Network policies 3.Acceptable use policy 4.Standard business documents
|
| Summarize safety practices. | 1.Electrical safety
2.ESD
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
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
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
12. UDP
|
| 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 |
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