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Network+/Objectives/Network Implementation

2.1 Explain characteristics of routing technologies.

Static routing
Dynamic routing
- Border Gateway Protocol (BGP)
- Enhanced Interior Gateway Routing Protocol (EIGRP)
- Open Shortest Path First (OSPF)
Route selection
- Administrative distance
- Prefix length
- Metric
Address translation
- NAT
- Port address translation (PAT)

First Hop Redundancy Protocol (FHRP)
Virtual IP (VIP)
Subinterfaces

Further reading

Routing
Distance-vector routing protocol
Link-state routing protocol
Routing Information Protocol (RIP)
Virtual Router Redundancy Protocol (VRRP)
Hot Standby Router Protocol (HSRP)
Port forwarding

2.2 Given a scenario, configure switching technologies and features.

Virtual Local Area Network (VLAN)
- VLAN database
- Switch Virtual Interface (SVI)
Spanning tree
Maximum transmission unit (MTU)
- Jumbo frames

Interface configuration
- Native VLAN
- Voice VLAN
- 802.1Q tagging
- Link aggregation
- Speed
- Duplex

2.3 Given a scenario, select and configure wireless devices and technologies.

Channels
- Channel width
- Non-overlapping channels
- Regulatory impacts
  - 802.11h
Frequency options
- 2.4GHz
- 5GHz
- 6GHz
- Band steering
Service set identifier (SSID)
- Basic service set identifier (BSSID)
- Extended service set identifier (ESSID)
Encryption
- Wi-Fi Protected Access 2 (WPA2)
- WPA3

Network types
- Mesh networks
- Ad hoc
- Point to point
- Infrastructure
Guest networks
- Captive portals
Authentication
- Pre-shared key (PSK) vs. Enterprise
Antennas
- Omnidirectional vs. directional
Autonomous vs. lightweight access point

Further reading

2.4 Explain important factors of physical installations.

Important installation implications
- Locations
  - Intermediate distribution frame (IDF)
  - Main distribution frame (MDF)
- Rack size
- Port-side exhaust/intake
- Cabling
  - Patch panel
  - Fiber distribution panel
- Lockable

Power
- Uninterruptible power supply (UPS)
- Power distribution unit (PDU)
- Power load
- Voltage
Environmental factors
- Humidity
- Fire suppression
- Temperature

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