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Pentest > PNPT > Flashcards

PNPT Flashcards

1
Q

What command will bring up your IP address

A

ifconfig

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2
Q

Difference between bit size in IPv4 and IPv6

A

32 IPv4 and 128 IPv6

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3
Q

Difference between formats for IPv4 and IPv6

A

IPv6 = colon separated hexadecimal format (8 groups of 4 hexadecimal digits)

IPv4 = dotted-decimal format (8 bits per section (octet), ranging from 0 to 255) - 4.3 billion

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4
Q

What is a MAC

A

physical addy/unique identifier assigned to a network interface controllers (NIC)

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5
Q

Where are MAC addresses stored

A

in a device’s firmware or ROM (read only memory)

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6
Q

How many bits is a MAC address

A

48 bits

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7
Q

What layer is the MAC address

A

data link layer

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8
Q

What does TCP stand for

A

Transmission control protocol

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9
Q

what does UDP stand for

A

user ditagram protocol

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10
Q

TCP and UDP are 2 common ____ ____ protocols

A

transport layer protocols

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11
Q

What is TCP

A

a connection-oriented protocl that provides reliable, ordered, and error-checked delivery of data packers over an IP network

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12
Q

What is UDP

A

a connectionless protocl that is simpler and more lightweight - slower

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13
Q

What is TCP used to transport?

A

web browing, email, file transfer, and remote login (due for the NEED of guarenteed deliver)

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14
Q

What is UDP used for?

A

For real time applications like streaming media, online gaming, DNS, and VoIP

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15
Q

What does TCP use to establish a connection?

A

The 3-way handshake

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16
Q

What makes up the 3 way handshake?

A

SYN (Synchronize)
SYN-ACK (Synchronize-Acknowledge)
ACK (Acknowledge)

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17
Q

Describe step 1 of the 3 way handshake

A

SYN (Synchronize) - Client initiates request by sending a TCP packet with the SYN flag set to a destination. This indicates the desire to establish a connection

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18
Q

Describe step 2 of the 3 way handshake

A

SYN-ACK (Synchronize-Acknowledge) - The server receives the SYN packet and responds with a TCP packet that has both the SYN and ACK flags set

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19
Q

Describe step 3 of the 3 way handshake

A

ACK (Acknowledge) - The client responds to the SYN-ACK packet by sending and ACK packet back to the destination which confirms the establishment of the connnection

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20
Q

What does FTP stand for and what is the port number?

A

File transfer protocol
port 21 (TCP)

21
Q

What does SSH stand for and what is the port number?

A

Secure shell - Port 22 (TCP)

22
Q

what is the port number for Telnet?

A

Port 23 (TCP)

23
Q

What does SMTP stand for and what is the port number?

A

Simple Mail Transfer Protocol - Port 25 (TCP)

24
Q

What does DNS stand for and what is the port number?

A

Domain name system - port 53 (TCP and UDP)

25
Q

What does HTTP stand for and what is the port number?

A

Hyper text transfer protocol - Port 80 (TCP)

26
Q

What does HTTPS stand for and what is the port number?

A

Hyper text transfer protocol secure - Port 443 (TCP)

27
Q

What does DHCP stand for and what is the port number?

A

Dynamic Host Configuration Protocol - Port 67 (UDP) and port 68 (UDP)

28
Q

What does POP3 stand for and what is the port number?

A

Post office protocl version 3 - port 110 (TCP)

29
Q

What does IMAP stand for and what is the port number?

A

Internet message access protocl port 143 (TCP)

30
Q

What does SNMP stand for and what is the port number?

A

Simple Network Management Protocol - Port 161 (UDP)

31
Q

What does RDP stand for and what is the port number?

A

Remote Desktop Protocl - Port 3389 (TCP)

32
Q

What does NTP stand for and what is the port number?

A

Network time protocol - Port 123 (UDP)

33
Q

What does SMB stand for and what is the port number?

A

Server Message Block - Port 445 (TCP)

34
Q

What does FTPS stand for and what is the port number?

A

(FTP over SSL/TLS) File transfer protocol - Port 990 (TCP)

35
Q

What does TFTP stand for and what is the port number?

A

Trivial File Transfer PRotocl - Port 69 (UDP)

36
Q

What does LDAP stand for and what is the port number?

A

lightweight directory access protocol - Port 389 (TCP and UDP)

37
Q

What does MySQL stand for and what is the port number?

A

My-StructuredQueryLanguage - Port 3306 (TCP)

38
Q

What does RDP stand for and what is the port number?

A

Remote desktop protocol - Port 3389 (TCP)

39
Q

in OSI model, what does OSI stand for?

A

Open Systems Interconnection

40
Q

What are the OSI layers

A

Physical
Data link layer
Network layer
Transport layer
Session layer
Presentation layer
Application layer

41
Q

What is the physical layer in OSI model

A

The electrical, mechanical, and functional characteristics of the physical interface between devices.

42
Q

What is the data link layer of OSI

A

Ethernet, Wi-fi- and PPP (point to point protocol)

43
Q

what is network layer of OSI

A

The IP (internet protocol)

44
Q

What is the transport layer of OSI

A

TCP, UDP

45
Q

What is the session layer of OSI

A

session estabblishment, token management, synchronization, checkpointing

46
Q

What is the presentation layer in OSI

A

data translation, compression, encryption, decryption

47
Q

What is the application layer of osi

A

Closest to end-user. HTTP, SMTP, FTP, DNS

48
Q

How do you start apache web service?

A

sudo service apache2 start

49
Q
A

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