Marking Scheme
Assignment 1
Only Questions 1, 5 and 6 were marked.
Q1: 5 marks, one per correct answer
Q5: 1 mark for -44dBm
Q6: marks:
Assignment 2
Marked out of 5. Marks were assigned as follows:
Q2: 1 mark for downstream
Q6: 1 mark for 31.25~kHz subcarrier spacing
Q7: 1 mark for 8-way
Q8: 1 mark for GSM first and LTE last
Q11: 1 mark for about 12.5s or 4/minute
Assignment 3
Marked out of 8. Marks were assigned as follows:
Q1: 1 mark for byte-oriented framing
Q4: 1 mark for traffic intensity of 20 calls; 1 mark for about 27 trunks
Q7: 1 mark for first 4 bytes (0x45, 0x00, 0x00, 0x60)
1 mark for correct last 4 bytes (0xc0, 0xa8, 0x00, 0x01)
Q9: 1 mark for yes
Q10: 1 mark for H having a route to 10.0.0.0/8 through interface 10.0.0.2;
1 mark for H having a default route through 192.168.12.254 on interface 192.168.0.2
Assignment 4
Marked out of 8. Marks were assigned as follows:
Q1: 1 for costs=1 to 65536, 1 for range of data rates=100M to ~1500
Q2: 1 for any wikipedia address in 208.80.152/22 (or 192...), 1 for wikipedia ASN=14907
Q4: 1 for parsing into 4 TLV options, 1 for decoding the MTU option value=1540
Q5: 1 for server... A 142.232... record, 1 for not... MX 10 smtp... record
Assignment 5
Marked out of 8 as follows:
Q2: 1 mark for correct header: 14 3B 00 35 00 24 00 00 (length can also be 0x2c)
Q3: 1 mark for expect ACK bit to be set in response to a frame with FIN bit set
Q4: 1 mark for 105 (or 104) sent, 1 mark for 3235 received
Q5: 1 mark for adding correctly (10649), 1 mark for correctly computing checksum from that (F9B5)
Q6: 1 mark for network graph, 1 mark for showing routes between 1
and 4 using interface to 3
Lab 1 Pre-Lab
Marked out of 2:
Lab 1 Report
Marked out of 5. 1 mark for each of the following:
Lab 2 Report
Marked out of 4. 1 mark for each of the following:
Lab 3 Report
Marked out of 4. 1 mark for each of the following:
Lab 4 Report
Marked out of 4. 1 mark for each of the following:
Lab 5 Report
Marked out of 6. 1 mark for each of the following:
Lab Completion
The lab completion mark is based on a report with reasonable complete set of results (waveforms, graphs, screen captures, etc). No lab completion is awarded unless a report was produced.
Q1
Q2
Q3
Q4
Q5
Q6
Q7