Socket

Question 1

What’s the port number for HTTP

Answer 1

80

Question 2

What’s the port number for DNS ?

Answer 2

53

Question 3

What’s the port number for POP3 ?

Answer 3

110

Question 4

What’s the port number for simple mail transfer protocol SMTP

Answer 4

Port 25

Question 5

What’s the port number for IMAP ?

Answer 5

Port 143

Question 6

What’s the port number for TFTP

Answer 6

Port 69 !

Question 7

What’s the port number for DHCP ?
(There’s 2)

Answer 7

Port 67 for the server side
Port 68 for the client side

Question 8

What’s the port number for Telnet ?

Answer 8

Port 23

Question 9

What do link local addresses in ipv6 start with ?

Answer 9

FE80

Question 10

What is the wireless standard for WiFi ?

Answer 10

802.11

Question 11

What is the wireless standard for Bluetooth?

Answer 11

802.15

Question 12

What is the wireless standard for wimax?
Wtf is wimax

Answer 12

802.16

Question 13

What is the wireless standard for Zigbee?

Answer 13

802.15.4

Question 14

What’s the range for well known ports ?

Answer 14

0 to 1023

Question 15

What’s the range for registered ports ?

Answer 15

1024 to 49,151

Question 16

What’s the range for private and/or dynamic ports ?

Answer 16

49,152 to 65,535

Question 17

What does singlemode use lasers or LEDs ?

Answer 17

Lasers

Question 18

What does multimode use led or lasers ?

Answer 18

Led

Question 19

What are the private ip ranges ?

Answer 19

10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255

Question 20

What’s the port number for httpS

Answer 20

Port number 443

Question 21

Describe
Internet
Extranet
Intranet

Answer 21

Internet = public accessable to everyone

Extranet = allows certain people such as customers or business partners

Intranet = restricted to organisations members

Question 22

What do multicast addresses in ipv6 start with ?

Answer 22

Always start with FF

Question 23

What’s the port number for DNS ?

Answer 23

53