It255 Unit 6 Assignment 1-Ad

Solar Energy System Equipment Credit

You are entitled to claim this credit if you:

  • purchased solar energy system equipment,
  • entered into a written agreement for the lease of solar energy system equipment, or
  • entered into a written agreement that spans at least ten years for the purchase of power generated by solar energy system equipment not owned by you.

The solar energy system must use solar radiation to produce energy for heating, cooling, hot water, or electricity for residential use.  The system must also be installed and used at your principal residence in New York State.

How much is the credit?

The credit is equal to 25% of your qualified solar energy system equipment expenditures and is limited to $5,000.

  • The solar energy system equipment credit is not refundable. However, any credit amount in excess of the tax due can be carried over for up to five years.

For additional information on claiming this credit, see Form IT-255, Claim for Solar Energy System Equipment, and its instructions, Form IT-255-I


1. List two advantages of wireless networking. The two advantages of a wireless network are user mobility and a cost-effective networking media in areas that are too difficult or expensive to wire. 2. What are the three areas defined by the IEEE 802.11 standard? The three areas that are defined by the IEEE 802.11 wireless LAN standard are the physical layer, the medium access control (MAC) layer, and the MAC management protocols and services. 3. What is an ad hoc network? An ad hoc network, also known as an independent network is a network in which the wireless clients (stations) communicate directly with each other. This means the clients have recognized the other stations in the WLAN and have established a wireless data link. 4. What is the purpose of an Extended Service Set? The purpose of an Extended Service Set is to allow for an extended range of mobility. 5. What are the four physical layer technologies being used in 802.11 wireless networking? The four physical layer technologies being used in 802.11 wireless networking are direct sequence spread spectrum (DSSS), frequency hopping spread spectrum (FHSS), infrared, and orthogonal frequency division multiplexing (OFDM). 6. Describe the frequency spectrum for the DSSS channels in 802.11b wireless networking. 802.11 DSSS implements 14 channels over approximately 90 MHz of RF spectrum in the 2.4 GHz ISM band.

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