a+ ports

Question 1

20,21

Answer 1

FTP- File transfer protocol

Question 2

22

Answer 2

SFTP/SSH- secure shell

crpytographi network protocl for secure data communication

Question 3

23

Answer 3

Telnet- Transfer Data

Question 4

25

Answer 4

SMTP- Email- Simple Mail Transfer Protocol

Question 5

53

Answer 5

DNS- Domain Naming services

give names to ip addr

Question 6

80

Answer 6

HTTP- network (not secure)

Question 7

67,68

Answer 7

DHCP- Dynamic host configuration protocol- automatically provide ip addr

Question 8

110

Answer 8

POP3- Email- downloads the email from a server to a single pc then deletes from server

Question 9

143

Answer 9

IMAP- stores the message on a server and syncs the message across multiple devices

Question 10

161

Answer 10

SNMP- simple network management protocol

allows any devices to communicate with each other

Question 11

380

Answer 11

LDAP- light directory access protocol- allows for apps to query user info fast

Question 12

443

Answer 12

HTTPS- internet secure

Question 13

445

Answer 13

SMB- sever message block- network file sharing protocol (shared access to files, printers and serial ports)

Question 14

3389

Answer 14

RDP

Question 15

548

Answer 15

AFP- Apple filing protocol- file services for apple via the network

Question 16

137-139

Answer 16

netbios/netbt

Question 17

427

Answer 17

SLP- service location protocol- allows devices to find services w/o prior config