The internet

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Across
  1. 3. Open, global specification that enables users of wireless devices to access and interact with wireless information services and applications.
  2. 6. connect network nodes and send and receive analog or digital signals.
  3. 7. provide protection against outside cyber attackers by shielding your computer or network from malicious or unnecessary network traffic
  4. 9. A computer that sits between different networks or applications.
Down
  1. 1. a hardware device about the size of an external modem that converts digital data frames from the communications technology used on a local area network (LAN) into frames appropriate to a wide-area network (WAN) and vice versa.
  2. 2. networking hardware that connects devices on a computer network by using packet
  3. 4. a product that connects a local area network (LAN) to another local area network that uses the same
  4. 5. an established set of rules that determine how data is transmitted between different devices in the same network
  5. 8. device used at the customer premises to terminate a dial-up Integrated Services Digital Network (ISDN) line and connect it to a computer or a local area network (LAN).