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Security+ Ports and Protocols > Ports And Protocols > Flashcards

Ports And Protocols Flashcards

1
Q

What is SSH?

A

Uses encryption to establish a secure connection between two systems

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2
Q

What is PPTP?

A

Supports encapsulation of a single point-to-point environment

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3
Q

What is L2F?

A

Created by Cisco as a method of creating tunnels primarily for dial-up connections

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4
Q

What is L2TP?

A

Supports multiple network protocols and can be used in networks besides TCP/IP and works over IPX, SNA, and IP

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5
Q

What is the port for FTP- file transfer protocol?

A

21

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6
Q

What is the port for SSH?

A

22

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7
Q

What is the port for SFTP?

A

22

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8
Q

What is the port for SCP?

A

22

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9
Q

What is the port for Telnet?

A

23

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10
Q

What is the port for SMTP - Simple Mail Transport Protocol

A

25

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11
Q

TACACS - Terminal Access Controller Access-Control System

A

49

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12
Q

What is the port for DNS - Domain Name System

A

53

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13
Q

What is the port for DHCP - Dynamic Host Configuration Protocol

A

67, 68

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14
Q

TFTP - Trivial File Transport Protocol

A

69

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15
Q

What is the port for HTTP - Hypertext Transfer Protocol

A

80

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16
Q

What is the port for HTTPS - Hypertext Transfer Protocol Secure

17
Q

What is the port for SSL VPN - Secure Sockets Layer Virtual Private Network

18
Q

What is the port for Kerberos?

19
Q

POP3 - Post Office Protocol version 3

20
Q

What is the port for NNTP - Network News Transfer Protocol?

21
Q

What is the port for IMAP4 - Internet Message access protocols version 4

22
Q

What is the port for SNMP - Simple Network Management Protocol

23
Q

What is the port for SNMP trap- Simple Network Management Protocol trap

24
Q

What is the port for LDAP - Lightweight Directory Access Protocol

25
Q

ISAKMP (VPN) - Internet Security Association and Key Management Protocol (virtual private network)?

26
Q

What is the port for Syslog?

27
Q

L2TP - Layer 2 Tunneling Protocol

28
Q

PPTP - Point to Point Tunneling Protocol

29
Q

What is the port for RDP - Remote Desktop Protocol

30
Q

Triple DES

A

3 x 56 bits each

168 bits

31
Q

RSA

A

Public key encryption algorithms

Is the current standard for encrypting data sent over the Internet

Asymmetric algorithm

1024 bits long or 2048 bits long

32
Q

Blowfish

A

Symmetric Algorithm

Splits messages into blocks of 64 bits and encrypts them individually

Speed

Never been cracked

33
Q

Two fish

A

Created by Bruce Scheier

Up to 256 bits in length

Symmetric

34
Q

Advanced Encryption Standard AES

A

Trusted by US Government

128 bit

Also uses 192 and 256 bits

Symmetric

Security+ Ports and Protocols (1 decks)

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