S-38.188 exam, January 24, 2005
Answers and grading policy
Problem 1:
- Correct acronym (0.5p), short explanation (0.5p)
Problem 2:
- definition of intra domain routing (1p)
- main classes: DV (RIP), LS (OSPF) (1p)
- short descriptions of the operation of DV and LS (4p)
Problem 3:
- a) 48/32 bits, hierarchical or not, static or dynamic
- b) classful addresses (A,B,C) + problems (1p), subnetting (can split one
nw address into subnets) (1p), explanation of CIDR (variable length
masks to allow assignment of addresses in blocks of power of 2) (1p)
- c) IPv6 has 128 bits (1p)
Problem 4:
- transport layer, end-2-end protocols + acronyms (1p)
- UDP unreliable data delivery, muxing of applications by port numbers,
application examples (realtime or streaming data); TCP: reliable,
congestion control, connection oriented, muxing by port numbers, applications: FTP, HTTP, SNMP, etc. (2p)
Problem 5:
- Mobile IP = enables a portable device to connect to the Internet at another
place than its own home network and still be addressed with its own fixed IP address from "home network" (1p)
- IPv6 solution: concepts MN, CN, HA, home addressm, registration of CoA, two-way tunneling used for data transmission
between HA and MN (2p)
- Note! There is no FA in IPv6 (FA functionality included in MN).
Problem 6:
- DNS acronym and explanation (1p)
- DNS query mechanism explanation (2p)
- NOTE! DNS translates domain names (FQDNs) to IP addresses, not URLs!
Problem 7:
- SNMP acronym + explanation (1.5p)
- MIB acronym + explanation (1.5p)
Valitustilaisuus
If you have questions or want to inspect your paper, the official "valitustilaisuus"
is on Wednesday, February 9, at 10-11 o'clock. The place is E312.
Results
Note! The final grade for the course is determined by giving the weights
25% to the assignment and 75% to the exam grade, i.e.,
final_grade = (assignment_grade + 3*exam_grade)/4.
| S-38.188
Tietoliikenneverkot (3) |
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| Exam:
24.1.2005 Mon 16-19 |
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POINTS |
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GRADES |
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P1 |
P2 |
P3 |
P4 |
P5 |
P6 |
P7 |
Total |
Exam |
Project |
Final |
| 48620W |
3 |
1 |
2 |
2 |
1 |
1,5 |
0 |
11 |
0 |
5 |
0 |
| 49817W |
5 |
1 |
2,5 |
2,5 |
1,5 |
2 |
0 |
15 |
1 |
6 |
2 |
| 51187B |
5,5 |
4,5 |
2 |
2,5 |
1 |
3 |
2 |
21 |
3 |
1 |
3 |
| 51188C |
2,5 |
5,5 |
4 |
0 |
0 |
2,5 |
0 |
15 |
1 |
4 |
2 |
| 51248F |
4 |
1,5 |
4,5 |
2,5 |
1 |
1,5 |
0 |
15 |
1 |
6 |
2 |
| 51295S |
5 |
4,5 |
5 |
2,5 |
1,5 |
2 |
2,5 |
23 |
4 |
1 |
3 |
| 51325H |
4,5 |
5 |
5,5 |
2,5 |
3 |
3 |
2 |
26 |
5 |
1 |
4 |
| 51454C |
6 |
4,5 |
4,5 |
3 |
2,5 |
3 |
1,5 |
25 |
4 |
3 |
4 |
| 51513E |
5 |
4,5 |
4 |
2,5 |
3 |
2,5 |
2 |
24 |
4 |
5 |
4 |
| 51523S |
6 |
4 |
4 |
2,5 |
2 |
2,5 |
1,5 |
23 |
4 |
3 |
4 |
| 54247C |
4 |
3,5 |
4 |
2,5 |
3 |
3 |
1 |
21 |
3 |
1 |
3 |
| 54350M |
5 |
5 |
4 |
2 |
2 |
2 |
1,5 |
22 |
3 |
3 |
3 |
| 54364F |
5,5 |
6 |
4,5 |
2,5 |
2,5 |
3 |
2 |
26 |
5 |
3 |
5 |
| 54483M |
5,5 |
5 |
5 |
2,5 |
2,5 |
2 |
2,5 |
25 |
4 |
4 |
4 |
| 54683B |
3 |
5,5 |
2,5 |
2,5 |
3 |
2,5 |
1 |
20 |
3 |
1 |
3 |
| 54761D |
6 |
5,5 |
5,5 |
2 |
2,5 |
3 |
2 |
27 |
5 |
3 |
5 |
| 54918K |
5 |
5 |
5,5 |
3 |
3 |
3 |
3 |
28 |
5 |
4 |
5 |
| 54975K |
6 |
6 |
5 |
2,5 |
2,5 |
2 |
3 |
27 |
5 |
1 |
4 |
| 55148M |
4 |
5 |
3,5 |
2 |
1 |
1,5 |
0 |
17 |
2 |
3 |
2 |
| 55151R |
4 |
4,5 |
4 |
3 |
3 |
3 |
0 |
22 |
3 |
4 |
3 |
| 57857C |
2,5 |
3 |
3 |
2,5 |
2 |
1,5 |
0 |
15 |
1 |
1 |
1 |
| 57935E |
4,5 |
3,5 |
4 |
2 |
1 |
1,5 |
1 |
18 |
2 |
1 |
2 |
| 59747N |
3 |
0 |
1 |
2 |
2 |
1 |
3 |
12 |
0 |
1 |
0 |
| 59794B |
4,5 |
3,5 |
2 |
2,5 |
1 |
0,5 |
2 |
16 |
1 |
1 |
1 |
| 62490W |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
no grade |
no grade |
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| Pisteet |
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| 1 |
14 |
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| 2 |
17 |
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| 3 |
20 |
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| 4 |
23 |
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| 5 |
26 |
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Otaniemi, 3.2.2005 Pasi Lassila |
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Valitustilaisuus: ke, 9.2., klo 10-11, huone
E312 |
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