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Security+ > Port Numbers > Flashcards

Port Numbers Flashcards

1
Q

What numbers can ports be?

A

0 - 65,535

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2
Q

Ports 0 to 1,023. These ports are assigned by the IANA.

A

Well-known ports

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3
Q

IANA stands for

A

Internet Assigned Numbers Authority

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4
Q

Ports 1,024 to 49,151, usually assigned to proprietary protocols

A

Registered ports

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5
Q

Ports 49,152 to 65,535, can be used with any application without being registered with IANA

A

Dynamic/Private ports

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6
Q

The protocol used to transfer files from host to host

A

FTP

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7
Q

FTP

A

21
TCP

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8
Q

SSH, SCP, and SFTP

A

22
TCP/UDP

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9
Q

A protocol used to remotely administer network devices and systems

A

SSH

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10
Q

A protocol used for secure copy

A

SCP

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11
Q

A protocol used for secure FTP

A

SFTP

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12
Q

Telnet

A

23
TCP/UDP

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13
Q

An unencrypted protocol used to remotely administer network devices (should not be used)

A

Telnet

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14
Q

SMTP

A

25
TCP

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15
Q

A protocol used to send email over the internet

A

SMTP

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16
Q

DNS

A

53
TCP/UDP

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17
Q

A service used to resolve hostnames to IPs and IPs to hostnames

A

DNS

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18
Q

TFTP

A

69
UDP

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19
Q

A simplified version of FTP to put a file on a remote host, or get a file from a remote host

A

TFTP (Trivial FTP)

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20
Q

HTTP

A

80
TCP

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21
Q

A protocol used to transmit web page data to a client for unsecured web browsing

A

HTTP

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22
Q

Kerberos

A

88
TCP/UDP

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23
Q

A protocol used for network authentication using a system of tickets within a Windows domain

A

Kerberos

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24
Q

POP3 (unencrypted)

A

110
TCP

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25
Q

A protocol used to receive email from a mail server

A

POP3

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26
Q

NNTP

A

119
TCP

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27
Q

A protocol used to transport Usenet articles

A

NNTP

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28
Q

NNTP stands for

A

Network News Transfer Protocol

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29
Q

FTP stands for

A

File Transfer Protocol

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30
Q

SSH stands for

A

Secure Shell

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31
Q

SCP stands for

A

Secure Copy

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32
Q

SFTP stands for

A

Secure FTP

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33
Q

SMTP stands for

A

Simple Mail Transfer Protocol

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34
Q

DNS stands for

A

Domain Name Service

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35
Q

TFTP stands for

A

Trivial FTP

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36
Q

HTTP stands for

A

Hyper Text Transfer Protocol

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37
Q

POP3 stands for

A

Post Office Protocol v3

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38
Q

RPC/DCOM-scm

A

135
TCP/UDP

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39
Q

A protocol used to locate DCOM ports to request a service from a program on another computer on the network

A

RPC/DCOM-scm

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40
Q

RPC/DCOM-scm stands for

A

Remote Procedure Call/DCOM-scm

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41
Q

NetBIOS

A

137, 138, 139
TCP/UDP

42
Q

A protocol used to conduct name querying, sending of data, and other functions over a NetBIOS connection

A

NetBIOS

43
Q

IMAP stands for

A

Internet Message Access Protocol

44
Q

A protocol used to receive email from a mail server with more features than POP3

A

IMAP

45
Q

IMAP

A

143
TCP

46
Q

SNMP

A

161
UDP

47
Q

SNMP stands for

A

Simple Network Management Protocol

48
Q

A protocol used to remotely monitor network devices

A

SNMP

49
Q

SNMPTRAP

A

162
TCP/UDP

50
Q

A protocol used to send Trap and InformRequests to the SNMP Manager on a network

A

SNMPTRAP

51
Q

LDAP (unencrypted)

A

389
TCP/UDP

52
Q

A protocol used to maintain directories of users and other objects

A

LDAP

53
Q

LDAP stands for

A

Lightweight Directory Access Protocol

54
Q

HTTPS

A

443
TCP

55
Q

A protocol used to transmit web page data to a client over an SSL/TLS encrypted connection

A

HTTPS

56
Q

SMB

A

445
TCP

57
Q

SMB stands for

A

Server Message Block

58
Q

A protocol used to provide shared access to files and other resources on a network

A

SMB

59
Q

SMTPS

A

465 or 587
TCP

60
Q

A protocol used to send email over the internet with an SSL and TLS secured connection

A

SMTPS

61
Q

SMTPS stands for

A

Simple Mail Transfer Protocol Secure

62
Q

Syslog

A

514
UDP

63
Q

A protocol used to conduct computer message logging, especially for routers and firewall logs

A

Syslog

64
Q

LDAPS

A

636
TCP/UDP

65
Q

A protocol used to maintain directories of users and other objects over an encrypted SSL/TLS connection

A

LDAPS

66
Q

LDAPS stands for

A

Lightweight Directory Access Protocol Secure

67
Q

iSCSI

A

860
TCP

68
Q

A networking standard used for linking data storage facilities over IP. Commonly used in SANs.

A

iSCSI

69
Q

iSCSI stands for

A

Internet SCSI (Small Computer System Interface)

70
Q

FTPS

A

989 and 990
TCP

71
Q

FTPS stands for

A

File Transfer Protocol Secure

72
Q

A protocol used to transfer files from host to host over an encrypted connection

A

FTPS

73
Q

IMAP4 with SSL/TLS

A

993
TCP

74
Q

A protocol used to receive email from a mail server over an SSL/TLS encrypted connection (Not POP3S)

A

IMAP4 with SSL/TLS

75
Q

POP3S

A

995
TCP

76
Q

A protocol used to receive email from a mail server using an SSL/TLS encrypted connection (not IMAP4 with SSL/TLS)

A

POP3S

77
Q

Ms-sql-s

A

1433
TCP

78
Q

Ms-sql-s stands for

A

Microsoft SQL server

79
Q

A server used to receive SQL database queries from clients

A

Ms-sql-s

80
Q

RADIUS (alternative)

A

1645 (authentication and authorization)
and
1646 (accounting)
UDP

81
Q

RADIUS stands for

A

Remote Authentication Dial-In User Service

82
Q

A protocol used for authentication, authorization, and accounting (AAA)

A

RADIUS

83
Q

RADIUS (standard)

A

1812 (authentication and authorization)
and
1813 (accounting)
UDP

84
Q

FCIP

A

3225
TCP/UDP

85
Q

FCIP stands for

A

Fibre Channel IP

86
Q

A protocol used to encapsulate Fibre Channel frames within TCIP/IP packets

A

FCIP

87
Q

iSCSI Target

A

3260
TCP

88
Q

A listening port for iSCSI targeted devices when linking data storage facilities over IP

A

iSCSI Target

89
Q

RDP stands for

A

Remote Desktop Protocol

90
Q

A protocol used to remotely view and control other Windows systems via a GUI

A

RDP

91
Q

RDP

A

3389
TCP/UDP

92
Q

Diameter

A

3868
TCP

93
Q

A more advanced AAA protocol that is a replacement for RADIUS

A

Diameter

94
Q

Syslog over TLS

A

6514
TCP

95
Q

A protocol used to conduct computer message logging, especially for routers and firewall logs, over a TLS encrypted connection

A

Syslog over TLS

96
Q

L2TP

A

1701
UDP

97
Q

L2TP stands for

A

Layer 2 Tunnel Protocol

98
Q

A protocol used as an underlying VPN protocol, but has no inherent security

A

L2TP

99
Q

PPTP

A

1723
TCP/UDP

100
Q

PPTP stands for

A

Point-to-Point Tunneling Protocol

101
Q

An underlying VPN protocol with built-in security

A

PPTP

Security+ (10 decks)

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