OSI Model

Question 1

What’s the port number for FTP

Answer 1

21

Question 2

What’s the port number for SSH

Answer 2

22

Question 3

What’s the port number for TELNET

Answer 3

23

Question 4

What’s the port number for SMTP

Answer 4

25

Question 5

What’s the port number for DNS

Answer 5

53

Question 6

What’s the port number for HTTP

Answer 6

80

Question 7

What’s the port number for KERBEROS

Answer 7

88

Question 8

What’s the port number for POP3

Answer 8

110

Question 9

What’s the port number for FTP-Data

Answer 9

20

Question 10

What’s the port number for NNTP

Answer 10

119

Question 11

What’s the port number for NETBIOS

Answer 11

137-139

Question 12

What’s the port number for IMAP

Answer 12

143

Question 13

What’s the port number for SNMP

Answer 13

161

Question 14

What’s the port number for LDAP

Answer 14

389

Question 15

What’s the port number for HTTPS

Answer 15

443

Question 16

What’s the port number for SMB

Answer 16

445

Question 17

What’s the port number for L2TP

Answer 17

1701

Question 18

What’s the port number for PPTP

Answer 18

1723

Question 19

What’s the port number for RDP

Answer 19

3389

Question 20

What protocols are used to convert IPv4 to IPv6

Answer 20

Teredo
ISATAP
6 to 4
4 to 6

Question 21

Who created the rules of IPv4 and IPv6

Answer 21

IETF

Question 22

What’s the length of IPv4 and IPv6

Answer 22

32 bits and 128 bits

Question 23

What’s the address format of IPv4 and IPv6

Answer 23

Dotted decimal and Hexadecimal

Question 24

Dynamic addressing used for IPv4 and IPv6

Answer 24

DHCP and SLACC/DHCPv6

Question 25

What’s the importance of IPsec for IPv4 and IPv6

Answer 25

Optional for IPv4 and mandatory for IPv6

Question 26

What is used by IPv4 and IPv6 to talk to all the nodes on a network

Answer 26

IPv4 uses broadcast and IPv6 use multicast

Question 27

What are the address types for IPv4 and IPv6

Answer 27

IPv4: Unicast, multicast, broadcast
IPv6: Anycast

Question 28

What are the IPv4 address types

Answer 28

Public address, private address, apipa, loopback, multicast -224, broadcast -225

Question 29

What are the types of IPv6 addresses

Answer 29

Global address, unique local, link local, loopback, multicast

Question 30

What is the equivalent of the IPv4 public address to IPv6

Answer 30

Global address

Question 31

What is the equivalent of the IPv4 private addresses to IPv6

Answer 31

Unique local

Question 32

What is the equivalent of the IPv4 APIPA address to IPv6

Answer 32

Link local

Question 33

What is the equivalent of the IPv4 loopback address to IPv6

Answer 33

It’s the same, loopback address

Question 34

What is the equivalent of the IPv4 multicast address to IPv6

Answer 34

Multicast

Question 35

What is the equivalent of the IPv4 broadcast address to IPv6

Answer 35

Doesn’t have one.

Question 36

What are the characteristics of the IPv6 global address

Answer 36

They start with either the digit 2 or 3

Question 37

What are the characteristics of the IPv6 unique local address

Answer 37

Starts with FC or FD

Question 38

What are the characteristics of the IPv6 link local address

Answer 38

FE:80

Question 39

What are the characteristics of the IPv6 loopback address

Answer 39

::1

Question 40

What are the characteristics of the IPv6 multicast address

Answer 40

FF00:: /8

Question 41

What are the VPN protocols

Answer 41

PPTP, L2TP, SSTP, IKEv2

Question 42

What’s the best and the worst VPN protocols

Answer 42

SSTP is the best. PPTP is the worst.

Question 43

What VPN protocol uses IPsec

Answer 43

L2TP

Question 44

Why is SSTP the best VPN protocol

Answer 44

Uses key encryption

Question 45

What does PPTP stand for

Answer 45

Point-to-Point tunneling protocol

Question 46

What does L2TP stand for

Answer 46

Layer 2 tunneling protocol