2024-04-09
Max. 100 points
Name:
Task | Max. | Achieved |
---|---|---|
1 | 12 | |
2 | 12 | |
3 | 12 | |
4 | 36 | |
5 | 28 | |
Sum | 100 |
Requires header tables!
Statement | True | False |
---|---|---|
An IPv6 address has 4 bytes (octets). | ||
ping sends ICMP ECHO_REQUEST to network hosts. | ||
TCP and UDP are ip layer protocols. | ||
QUIC is an application layer protocol. | ||
Wireshark can be used to interpret hex dumps of network traffic. | ||
Port numbers identify sending and receiving application end-points on a host. |
Statement | True | False |
---|---|---|
Postel's law states: "Be liberal in what you accept, and conservative in what you send". | ||
SSH allows remote logins to other computers. | ||
SSH uses port 80. | ||
Application layer protocols provide process-to-process communications across an Internet Protocol (IP) computer network | ||
HTTPS uses port 465 as default. | ||
Users should generally prefer HTTP over HTTPS. |
0000 9c b6 54 0b e5 5b c8 94 02 f8 a6 1d 08 00 45 00 0010 00 54 b1 25 40 00 40 01 74 45 0a 00 00 ba 0a 00 0020 00 85 08 00 40 cb 95 9a 00 17 78 35 14 66 00 00 0030 00 00 cd 14 09 00 00 00 00 00 10 11 12 13 14 15 0040 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 0050 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 0060 36 37
9c:b6:54:0b:e5:5b
c8:94:02:f8:a6:1d
0x0800 (IPv4)
{1: ICMP, 6: TCP, 17: UDP}
):
4
5 * 4 = 20
84
(0x054
)64
(0x40
)ICMP
(1
)10.0.0.186
(0a 00 00 ba
)10.0.0.133
(0a 00 00 85
)0000 d1 8a 00 16 ec 24 7f 93 8b f3 da 71 80 18 01 f5 0010 c0 3d 00 00 01 01 08 0a 89 e6 9f cc 54 a6 33 11
53642
(0xd18a
)no
22
(0x0016
)8 * 4 = 32
0xc03d
0b0000