Port Numbers

Question 1

FTP(File Transfer)

Answer 1

20,21

Question 2

SSH(Secure Remote Access)

Answer 2

22

Question 3

SFTP(Secure File Transport Protocol)

Answer 3

22

Question 4

Telnet(Unsecure Remote Access)

Answer 4

23

Question 5

SMTP(Sending Emails)

Answer 5

25

Question 6

DNS(Domain Name Service)

Answer 6

53

Question 7

DHCP(Dynamic Host Control Protocol)

Answer 7

67,68

Question 8

TFTP(Trivial File Transfer)

Answer 8

69

Question 9

HTTP(Web Browsing)

Answer 9

80

Question 10

POP3(Receiving Emails)

Answer 10

110

Question 11

NTP(Network Time Protocol)

Answer 11

123

Question 12

Netbios(Windows File Sharing)

Answer 12

139

Question 13

IMAP(Receiving Email)

Answer 13

143

Question 14

SNMP(Network Mangement)

Answer 14

161

Question 15

LDAP(Directory Services)

Answer 15

389

Question 16

HTTPS(Secure Web Browsing)

Answer 16

443

Question 17

SMB(Windows File Sharing)

Answer 17

445

Question 18

LADPS

Answer 18

636

Question 19

RDP(Remote Desktop)

Answer 19

3389

Question 20

SIP(Real-time Audio (VOIP))

Answer 20

5060,5061

Question 21

Operates as infrastructure or ad hoc.

Answer 21

802.11

Question 22

A wireless technology standard used for exchanging data between fixed and mobile devices over short distances using UHF radio waves. Which allows a mesh network

Answer 22

Bluetooth

Question 23

Uses electromagnetic fields to read stored in imbedded tags.

Answer 23

RFID

Question 24

Enables two electronic devices to communicate within a 4 cm range.

Answer 24

NFC

Question 25

Operates with line of sight

Answer 25

Infrared(IR)

Question 26

Provides short range, low-latency data transfer at rates and power consumption lower that Wi-Fi.

Used primarily for home automation.

Answer 26

Z-Wave

Question 27

Collection and transfer of sensor data.

Used with remote control system(tire pressure, TVs, Lights )

Answer 27

Ant+