Ports and Protocols

Question 1

FTP

Answer 1

20 and 21

Question 2

What is the purpose of FTP?

Answer 2

Transfers files to a remote host. Typically requires authentication of user credentials.

Question 3

What is the purpose of SFTP?

Answer 3

Secure FTP provides FTP file transfer server over an SSH connection

Question 4

SFTP

Answer 4

22

Question 5

What is the purpose of TFTP

Answer 5

Trivial FTP transfer files to a remote host. Does not require authentication of user credentials. Not encrypted

Question 6

TFTP uses what port?

Answer 6

69

Question 7

HTTP

Answer 7

80

Question 8

What is the purpose of HTTP

Answer 8

Retrieves content from a web server

Question 9

What is the purpose of HTTPS?

Answer 9

Secures HTTP traffic over an unsecure network using SSL or TLS

Question 10

HTTPS

Answer 10

443

Question 11

DHCP

Answer 11

67

Question 12

What is the purpose of DHCP?

Answer 12

Dynamically assigns IP address information

Question 13

What are the 4 things that DHCP gives you?

Answer 13

IP address, Subnet mask, dns server IP address, default gateway IP address

Question 14

Describe DNS?

Answer 14

Domain Name System resolves domain names to corresponding IP Addresses

Question 15

What is DNS port number?

Answer 15

53

Question 16

What is the role of NTP?

Answer 16

Used by network device to synchronize its clock with a time server

Question 17

What port is NTP?

Answer 17

123