Questions

1. How many layers are in the OSI model?
   1. 5
   2. 6
   3. 7
   4. 8
2. How many layers are in the DoD model?
   1. 4
   2. 5
   3. 6
   4. 7
3. What is layer 1 of the OSI model?
   1. Application
   2. Session
   3. Network
   4. Physical
4. Which of the following is a layer 3 device?
   1. Hub
   2. Router
   3. Switch
   4. Printer
5. How long is an IPv4 address (in bits)?
   1. 16
   2. 32
   3. 64
   4. 128
6. How long is an IPv6 address (in bits)?
   1. 16
   2. 32
   3. 64
   4. 128
7. What is the following “2001:db8::8a2e:370:7334” an example of?
   1. A MAC address
   2. A physical address
   3. An IPv6 address
   4. An encryption key
8. Which of the following is NOT a response for a successful ping...