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Network+ > OSI Model > Flashcards

OSI Model Flashcards

1
Q

Cables

A

Physical
Layer 1

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2
Q

Radio frequencies

A

Physical
Layer 1

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3
Q

Hubs

A

Physical
Layer 1

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4
Q

WAP

A

Physical
Layer 1

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5
Q

Media converters

A

Physical
Layer 1

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6
Q

MAC

A

Data link
Layer 2

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7
Q

Physical addressing

A

Data link
Layer 2

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8
Q

Logical topology

A

Data link
Layer 2

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9
Q

Link layer control / Logical link control

A

Data link
Layer 2

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10
Q

Network interface card NIC

A

Data link
Layer 2

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11
Q

Bridges

A

Data link
Layer 2

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12
Q

Switches

A

Data link
Layer 2

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13
Q

Logical addressing

A

Network
Layer 3

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14
Q

Switching

A

Network
Layer 3

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15
Q

Route discovery and selection

A

Network
Layer 3

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16
Q

ICMP

A

Network
Layer 3

Internet control message protocol

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17
Q

Routers

A

Network
Layer 3

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18
Q

Multilayer switches

A

Network
Layer 3

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19
Q

IPv4 and IPv6

A

Network
Layer 3

20
Q

TCP/UDP

A

Transport
Layer 4

21
Q

Windowing

A

Transport
Layer 4

22
Q

Buffering

A

Transport
Layer 4

23
Q

WAN accelerators

A

Transport
Layer 4

24
Q

Firewall

A

Transport
Layer 4

25
Q

H.323

A

Session
Layer 5
Used to setup, maintain, and tear down a voice/video connection

26
Q

NetBios - used by computers to share files over a network.
Which layer does it belong to?

A

Session
Layer 5

27
Q

Responsible for formatting the data exchanged and securing that data with proper encryption

A

Presentation
Layer 6

28
Q

Data formatting ( ASCII, GIF, JPG)

A

Presentation
Layer 6

29
Q

Data encryption

A

Presentation
Layer 6

30
Q

HTML, XML, PHP, JavaScript

A

Presentation
Layer 6

31
Q

SSL(secure sockets layer) - encryption between a server and a client

A

Presentation
Layer 6

32
Q

TLS

A

Presentation
Layer 6
Transport layer security - encrypts data sent over the internet

33
Q

unite communicating components from more than one network application

A

Application
Layer 7

34
Q

service addvertisment

A

Application
Layer 7

35
Q

e-mail - POP3, IMAP, SMTP

A

Application
Layer 7

36
Q

Web Browsing (HTTP, HTTPS)

A

Application
Layer 7

37
Q

DNS

A

Application
Layer 7

38
Q

FTP and FTPS

A

Application
Layer 7

39
Q

SSH / TELNET

A

Application
Layer 7

40
Q

Network management protocol SNMP

A

Application
Layer 7

41
Q

what’s PDU?

A

Protocol data unit

42
Q

Encapsulation: layer 4 adds:

A

source and destination ports

43
Q

Encapsulation: layer 3 adds:

A

source and destination IP addresses

44
Q

Encapsulation: layer 2 adds:

A

source and destination MAC addresses

45
Q

Encapsulation: layer 1 adds:

A

Transmits layer 2 frames as 1’s and 0’s over the medium

Network+ (2 decks)

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