| __ | 1. | 1, 0 | | A. | router on a network that serves as an exit from that network |
| __ | 2. | 32 Bits | | B. | overall length of an IPv4 address |
| __ | 3. | 192.168.1 | | C. | First 3 octets of an IPv4 address |
| __ | 4. | DF Flag | | D. | Layered |
| __ | 5. | Fragment offset | | E. | IPv4 packet header field used for error-checking |
| __ | 6. | Gateway (5.2.4) | | F. | 8-bit binary value used to determine a packet's priority |
| __ | 7. | Header Checksum | | G. | IPv4 packet header field identifying the order of a fragment |
| __ | 8. | Hierarchical | | H. | IPv4 packet header value indicating data payload type |
| __ | 9. | Protocol | | I. | single bit in flag field indicating no fragments allowed |
| __ | 10. | Type of Service (ToS) | | J. | Bit values for TRUE and False respectively |