Questions

Now it's time to check your knowledge. Select the best responses, and then check your answers with those listed in the Assessment appendix:

1. The _____ layer, or layer 5, is responsible for setting up, maintaining, and tearing down a session.
   1. Transport
   2. Application
   3. Session
   4. Presentation
2. The _____ layer, or layer 4, is responsible for transporting the data, either using a connectionless protocol or a connection-oriented protocol.
   1. Transport
   2. Application
   3. Session
   4. Presentation
3. The _____ layer, or layer 6, is responsible for proper data formatting along with optional compression and encryption.
   1. Transport
   2. Application
   3. Session
   4. Presentation
4. TCP port 334 is in the range of the _____ ports.
   1. Ephemeral
   2. Well-known
   3. Registered
   4. Secure
5. The PDU at the transport layer is _____.
   1. Data
   2. Frame
   3. Packet
   4. Segment
6. ARP does not have a(n) _____ header because it is a service protocol that resolves IPv4 addresses to MAC addresses.
   1. Data Link
   2. Frame
   3. IP
   4. Segment
7. On a LAN, the Data Link layer uses the...