5
8.4
Audio detection alarm
66
8.5
Audio compression
66
8.5.1 Sampling frequency
67
8.5.2 Bit rate
67
8.5.3 Audio codecs
67
8.6
Audio and video synchronization
67
Network technologies
69
9.1
Local area network and Ethernet
69
9.1.1 Types of Ethernet networks
70
9.1.2. Switch
71
9.1.3 Power over Ethernet
73
9.2
The Internet
75
9.2.1 IP addressing
76
9.2.2 Data transport protocols for network video
80
9.3
VLANs
82
9.4
Quality of Service
82
9.5
Network Security
84
9.5.1 Username and password authentication
84
9.5.2 IP address filtering
84
9.5.3 IEEE 802.1X
84
9.5.4 HTTPS or SSL/TLS
85
9.5.5 VPN (Virtual Private Network)
85
Wireless technologies
87
10.1 802.11 WLAN standards
88
10.2 WLAN security
88
10.2.1 WEP (Wired Equivalent Privacy)
89
10.2.2 WPA/WPA2 (WiFi Protected Access)
89
10.2.3 Recommendations
89
10.3 Wireless bridges
89
Video management systems
91
11.1 Hardware platforms
91
11.1.1 PC server platform
91
11.1.2 NVR platform
92
11.2 Software platforms
93
11.2.1 Built-in functionality
93
11.2.2 Windows client-based software
93
11.2.3 Web-based software
94
11.2.4 Scalability of video management software
94
11.2.5 Open vs. vendor-specific software
94
11.3 System features
94
11.3.1 Viewing
95
11.3.2 Multi-streaming
95
11.3.3 Video recording
96
11.3.4 Recording and storage
97
11.3.5 Event management and intelligent video
97
11.3.6 Administration and management features
102
11.3.7 Security
103
TABLE OF CONTENTS
