1. Networks send and receive data in small chunks called ………………..
2. A packet has the following components. When is the reassembly information used?
3. Each packet consists of the following parts:
4. This typically includes an alert signal to indicate that the data is being transmitted, source and destination addresses and clock information to synchronise the transmission.
5. The contents of the trailer (or even its existence) can vary among network types, but it normally includes a Cyclic Redundancy Checksum (CRC) which lets ……………
6. All packets have a header and payload.
7. What is the purpose of the header?
8. What are the 'fields' in the header?
9. How many fields are in the header in IPv4?
10. What information is contained in the version field?
12. In IPv4, the header contains a checksum to error check the header.
13. What information is contained in the payload?
14. What can a trailer be used for?
15. Counting the 1s in the payload and comparing this value against a value stored in the trailer is an example of a …