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Network Review

  1. What is the Open System Interconnect (OSI) model?
    • Application
    • Presentation
    • Session
    • Transport
    • Network
    • Data Link
    • Physical 
    • (remember: All People Seem To Need Data Processing)
  2. What is Internet Control Message Protocol (ICMP)?
    • Use for Ping and trace route.
    • Example returns:
    • 0-Echo Reply
    • 3-Destination unreachable
    • 8-Echo fail
    • 30-Traceroute
  3. What's the difference between Ping and Traceroute?
    • Ping: Sends message to verify if two clients can talk
    • Traceroute: Tells you all points between two clients.
  4. Fill in the blanks: 
    Well Known Ports:_____
    Registered Ports:_____
    Dynamic or Ephemerial Ports:_____
    • 0-1023
    • 1024-49151
    • 49152-65535
  5. What are the IP ranges for each class?
    A:
    B:
    C:
    D:
    E:
    Loopback:
    • A: 0.0.0.0 - 127.255.255.255
    • B: 128.0.0.0 - 191.255.255.255
    • C: 192:0.0.0 - 223.255.255.255
    • D: 224.0.0.0 - 239.255.255.255(multicasting)
    • E: 240.0.0.0 - 255.255.255.255(experimental)
    • Loopback: 127.x.x.x
  6. What are some advantages of subnetting?
    • Decreased network traffic
    • Broadcast limited to individual subnets
    • Improved troubleshooting
    • Faster to trace a problem on a subnet
    • Improved utilization of addresses
    • No wasted IPs
    • Flexibility
    • Customization of number of hosts on a subnet
  7. What are the IPv4 private network addresses?
    Class A:
    Class B:
    Class C: 
    Automatic private IP addressing:
    • A: 10.0.0.0 - 10.255.255.255
    • B: 172:16.0.0 - 172.31.255.255
    • C: 192.168.0.0 - 192.168.255.255
    • Auto: 169.254.0.0 - 169.254.255.255
Author
Anonymous
ID
304986
Card Set
Network Review
Description
Domain 2.0 - Network from Security +
Updated

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