Wireless Site survey

Question 1

Site Survey Definition?

Answer 1

The process of spectrum and coverage analysis with the intention of planning a WLAN

• Coverage analysis
• Interference source identification
• Placement and configuration of devices

Question 2

WLAN Site Survey Interview?

Answer 2

The site survey interview is conducted to determine the needs of the target organization

Question 3

Customer Briefing?

Answer 3

Provides an overview of wireless networking and how it really works from a business perspective

• A site suMobility advantages discussed
• Bandwidth and throughput limitations
• Need for rvey

Question 4

Business Requirements?

Answer 4

Applications used
Types of Users
Types of Devices

Question 5

Applications Used?

Answer 5

Real time
High Volume
Standard business apps

Question 6

Types of Users?

Answer 6

Internal

Guest

Question 7

Types of devices?

Answer 7

Laptops/desktops

Tablets/mobile phones

Question 8

Capacity and coverage requirements?

Answer 8

Capacity is a reference to capabilities

Coverage is a reference to availability

Question 9

Followings related to capacity?

Answer 9

Data applications
User density
Peak on/off use
Existing transmitters
Portability vs mobility
Backwards compatibility

Question 10

Existing Wireless Network?

Answer 10

Current problems
Sources of RF interference
Coverage dead zones
Prior site survey data
Currently installed equipment

Question 11

Infrastructure Connectivity?

Answer 11

Roaming
Wiring Closets
Antenna Structure
Hubs/Switches
PoE
Segmentation
Naming Convention
User management
Infrastructure management

Question 12

Security?

Answer 12

Expectations

• AAA requirements
• WIDS and WIPS
• Compliance

Guest Access

• Captive portal
• VLAN separation

Question 13

Documents and Reports?

Answer 13

Blueprints
Topographic map
Network topology diagram
Security credentials
Interview checklist
Installation checklist
Equipment checklist

Question 14

Deliverables?

Answer 14

Purpose statement
Spectrum analysis
RF Coverage analysis
Hardware placement and configuration
Performance analysis

Question 15

Additional Reports?

Answer 15

Vendor recommendations
Implementation Diagrams
Bill of Materials
Project Schedule and Costs
Security Solution Recommendations
Wireless Policy Recommendations
Training Recommendations

Question 16

Site Survey Process?

Answer 16

Protocol And Spectrum Analysis

Coverage Analysis

Question 17

Protocol and Spectrum Analysis?

Answer 17

Protocol analysis involves capturing and analyzing actual WLAN frames
Spectrum analysis investigates only the RF activity in a space
Two categories exist
- Standalone
- Integrated

Question 18

Potential Sources of Interference in 2.4 GHz ISM Band?

Answer 18

Microwave Ovens
2.4Ghz cordless phones, DSSS and FHSS
Fluorescent bulbs
2.4 Ghz video cameras
Elevator motors
Cauterizing devices
Plasma cutters

Question 19

Potential Sources of Interference in 5GHz U-NII bands?

Answer 19

5 GHz cordless phones
Radar
Perimeter sensors
Digital Satellite
Nearby 5GHz WLANs

Question 20

Coverage Analysis?

Answer 20

Common mistake is leaving the access point radio at the default full-power setting, which can cause hidden node
Good starting point for a 2.4Ghz ap is 25 mW transmit power

Question 21

Indoor Site Survey Tools?

Answer 21

Spectrum analyzer
Blueprints
Signal strength measurement software
APs
WLAN Controller

Question 22

Outdoor Site Survey Tools?

Answer 22

Topography Map
Link Analysis Software
Calculators
Maximum Tree Growth Data
Binoculars