The network has relatively few wireless devices.
SSID
the SSID
You can use its IP address or network name (your firewall has to be configured properly).
The host will not be allowed access to the wireless network.
Yes, you can.
There are multiple reasons for that. Most common are... You are currently working in secured wireless network and the camera is not configured for it. Second, your camera is compatible with type of the network you are using. Third, the camera's IP is configured manually while you are using DHCP server. Forth, the camera belongs a different subnet and so on.
Wireless tends to be slower than a wired network in most cases, wireless networks are also more inconvenient for desktops if you don't have a built in wireless adapter.
Usually IP addressing is used.
If you have a wireless adapters, most PCs do not have them, it means that your PC is wireless compatible. Even if you do not have it. It's very easy to fix. You can for $30-50 a good G-card which will allow you to connect to wireless networks (even to N-network, if the the network was configured to work in compatible mode).
Network+ Guide to Networks answer: A beacon frame
a wireless mesh topology, like a regular mesh topology, but instead of all clients on the network being wired up, they simply just connect via wireless
If both DHCP server and DHCP client are properly configured, this is true.