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CompTIA Security+ SY0-501 > Protocols > Flashcards

Flashcards in Protocols Deck (12)
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1

What protocol number is ICMP?

1

2

What protocol number is TCP?

6

3

What protocol number is UDP?

17

4

What port is used for SCP?

TCP 22

5

What port is used for SFTP?

TCP 115
Simple File Transfer Protocol*

6

What port is used for FTPS?

TCP 22
File Transfer Protocol Secure*

7

What port is used for DNS?

UDP 53

8

What port is used for DNS zone transfer?
Database exchange between DNS servers

TCP 53

9

What port is used for NetBIOS?

UDP 137, 138
TCP 139 (session)

10

What port is used for SNMP?

161

11

What port is used for FTP?

TCP 21 (control channel)
20 (data)

12

What protocol number is ESP?

50