What Do You Know About Wiring Methods?
All Answers relate to NFPA 70, 2017 Edition
1. A MAC address is confined solely to products made by Apple Computers.
A. True
B. False
2. This technology is intended as a replacement for local area network cabling.
A. Bluetooth
B. Wi-Fi
C. Z-Wave
D. LAN
3. On a telecommunications network the ____________ is the identifier for a node or host.
A. network address
B. serial number
C. IEEE
D. DNS
4. A Public Switched Telephone Network is equivalent to a Managed Facilities-based Voice Network.
A. True
B. False
NFPA 72, 2019 Definitions
5. An organizationally unique identifier (OUI) is a number that identifies the vendor or manufacturer of a product.
A. True
B. False
6. How many segments is the 5G frequency spectrum broken down into?
A. 2
B. 3
C. 4
D. 5
millimeter waves, mid-band and low-band
7. Frequency-hopping spread spectrum was first developed in the _________
A. 1930s
B. 1940s
C. 1970s
D. 1980s
8. When multiple users take turns transmitting and receiving signals, the technology employed is referred to as ________________.
A. code-division multiple access
B. frequency-division sequential access
C. multiplexing
D. time-division multiple access
9. LTE stands for __________.
A. leased tower encryption
B. limited tower encryption
C. long term evolution
D. low telephonic emission
10. Which of the following technologies are digital?
A. 1G
B. 2G
C. 3G
D. 4G
E. All are digital
Who Is She?
Born Hedwig Eva Maria Kiesler, she was once dubbed the “most beautiful woman in the world.” She was an actor, a model, and an inventor. She wanted to be known for her brains, but the world knew her for her beauty. Along with George Antheil, they invented Frequency Hopping Spread Spectrum. Who is she?
Click here to see the answer.
Answer to: Bonus Question
Hedy Lamarr
