Security Science: August

Test your security knowledge with SSI’s August Security Science Quiz!

10. Media converters adapt Ethernet from copper/UTP cables to:

  1. Fiber optics
  2. Subnet masking
  3. DSL modem technology
  4. Power over Ethernet (PoE) extenders
August Security Science Answer Key

11. PoE is defined by:

  1. UL standards
  2. NRTL standards
  3. NFPA standards
  4. IEEE standards

12. Each device on an IP network requires three pieces of information in order to correctly communicate with other devices on the network:

  1. VoIP modem, UL-Listed converter and an IP address
  2. An IP address, a subnet mask and a broadcast address
  3. A bridging address, an IPX101 and a subnet mask
  4. Transparent bridging, a broadcast address and local DLCI

 

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About the Author

Contact:

Jeffrey D. Zwirn, CPP, CFPS, CFE, FACFEI, CHS-IV, SET, CCI, FASI&T, MBAT, writes Security Sales & Integration’s “Security Science” column. He is also president of IDS Research and Development, an alarm and security consultation, expert witness and training authority providing nationwide services on all issues related to alarm and security matters. He can be reached at (201) 287-0900.

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