Connection Characteristics

Question 1

Digital Rights Management

DRM

Answer 1

• Digital Rights Management
  
  • Controls over digital media
• Associated with every media
  
  • Games, videos, movies, documents
• Maybe controlled in software or hardware
  
  • Motherboard details, USB Key, Passphrase

Question 2

Frequencies

Answer 2

• 802.11 wireless = 2.4 & 5 Ghz frequencies
• The number of cycles per second (hertz)
• Category 5 cables certified to 125Mhz
  
  • 1000BASE-T Gigabit Ethernet codes 2 bit per signal
  • Uses 4 pairs simultaneously
  • 125Mhz x 2 bits per signal x 4 pair = 1000 Mbp/s
• Optical
  
  • Represented as wavelength (i.e. 850nm)