The Internet

Question 1

How do you fix failing DNS?

Answer 1

Run in the command prompt ipconfig /flushdns

Question 2

HTTP Port Number

TCP 75
TCP 80
TCP 110
TCP 23

Answer 2

tcp /80

Question 3

HTTPS Port Number

UDP 80
TCP 443
TCP 3389
UDP 810

Answer 3

tcp /443

Question 4

FTP Port Numbers

TCP 15 TCP 16
TCP 400 TCP 401
TCP 25 TCP 26
TCP 20 TCP 21

Answer 4

tcp /20 and tcp/21

Question 5

IMAP Port Number

TCP 143
UDP 440
UDP 110
TCP 80

Answer 5

tcp /143

Question 6

POP3 Port Number

UDP 440
UDP 3389
TCP 110
UDP 23

Answer 6

tcp /110

Question 7

SMTP Port Number

TCP 25
TCP 31
UDP 20
UDP 15

Answer 7

tcp /25

Question 8

Telnet Port Number

UDP 25
TCP 31
TCP 23
TCP 80

Answer 8

tcp /23

Question 9

SSH Port Number

TCP 22
UDP 25
UDP 13
UDP 21

Answer 9

tcp /22

Question 10

RDP Port Number

TCP 22
TCP 20
TCP 21
TCP 3389

Answer 10

tcp /3389

Question 11

DNS Port Number

TCP 53
UDP 53
UDP 25
UDP 110

Answer 11

UDP /53

Question 12

DHCP Port Numbers

UDP 19 UDP 15
UDP 67 UDP 68
UDP 3389 UDP 440
UDP 110 UDP 33

Answer 12

UDP /67 and /68

Question 13

LDAP Port Number

TCP 389
TCP 115
UDP 115
TCP 81

Answer 13

TCP /389

Question 14

SMB Port Number

TCP 110
TCP 445
TCP 80
TCP 443

Answer 14

tcp /445

Question 15

SMB NetBIOS name services Port Number

TCP 137
UDP 137
UDP 440
TCP 110

Answer 15

udp /137

Question 16

SMB NetBIOS datagram services Port Number

UDP 138
TCP 110
UDP 80
TCP 3389

Answer 16

udp /138

Question 17

SMB NetBIOS session service Port Number

UDP 400
TCP 3389
TCP 110
TCP 139

Answer 17

tcp /139

Question 18

AFP Port Numbers

TCP 548 TCP 427 UDP 427
TCP 600 TCP 3389 UDP 18
TCP 440 TCP 110 UDP 17
TCP 21 TCP 20 UDP 15

Answer 18

tcp /548 and /427 and UDP /427