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ag-CEH-V10 - Certified Ethical Hacker > OSI MODEL > Flashcards

OSI MODEL Flashcards

1
Q

OSI DEFINES _____

A

Open System Interconnection Model defines a networking framework to implement protocols in seven layers.

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2
Q

Layer 1 of OSI Model is ___.

A

Physical

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3
Q

Physical Layer conveys ___.

A

Bit Stream
Electrical Impulse
Light or Radio Signal
- is sent through the network at the electric and and mechanical level.

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4
Q

Physical Layer provides ___.

A

The hardware means of sending and receiving data on a carrier, including defining cables, cards and physical aspects.

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5
Q

Examples of Physical layer components are ___ protocols.

A

Fast Ethernet
RS232
ATM

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6
Q

Layer 2 of OSI Model is ___.

A

Data Link

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7
Q

At ___ layer, data packets are encoded and decoded into bits.

  1. Physical layer
  2. Data Link layer
  3. Network layer
  4. None of the above
A

Data Link Layer

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8
Q

___ Layer furnishes transmission protocol knowledge and management and handles errors in the ___ layer, flow control and frame synchronization.

A

Data Link/Data Link

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9
Q

The data link layer is divided into two sub layers ___ & ___.

  1. Logical Link control (LLC)
  2. Frame Access Control
  3. Media Access Control (MAC)
  4. All the above
A

Logical Link control (LLC)

Media Access Control (MAC)

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10
Q

The ___ sub layer controls how a computer on the network gains access to the data and permission to transmit it.

  1. Logical Link control (LLC)
  2. Frame Access Control
  3. Media Access Control (MAC)
  4. None of the above
A

Media Access Control (MAC)

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11
Q

The frame synchronization, flow control and error checking are controlled in Layer 2 sub layer ___.

  1. Logical Link control (LLC)
  2. Frame Access Control
  3. Media Access Control (MAC)
  4. None of the above
A

Logical Link control (LLC)

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12
Q

Layer 3 of OSI Model is ___.

A

Network

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13
Q

___ layer provides switching and routing technologies, creating logical paths, known as virtual circuits, for transmitting data from node to node.

A

Network

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14
Q

___ are logical paths for transmitting data from node to node found in Network Layer of the OSI model.

  1. Switching
  2. Routing
  3. Virtual circuits
  4. None of the above
A

Virtual circuits

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15
Q

Routing and forwarding are functions of ___ Layer of OSI model.

  1. Physical layer
  2. Data Link layer
  3. Network layer
  4. None of the above
A

Network Layer

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16
Q

Routing and forwarding as well as which of the following are functions of ___ Layer of OSI model.

  1. Network Layer/Addressing
  2. Network Layer/Internet working
  3. Network Layer/Error handling
  4. Network Layer/Congestion Control
  5. Network Layer/Packet sequencing
  6. All the above
A 
Network Layer/Addressing
Network Layer/Internet working
Network Layer/Error handling
Network Layer/Congestion Control
Network Layer/Packet sequencing
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17
Q

Layer 4 of OSI Model is ___.

A

Transport Layer

18
Q

Transport layer provides transparent transfer of data between end systems, or ___.

  1. Ghosts
  2. Hosts
  3. Planes
  4. None of the above
19
Q

The Transport layer provides transparent transfer of data between end systems and is responsible for ___ and ___.

  1. End to end error recovery
  2. Packet Control
  3. Flow Control
  4. None of the above
A

End to end error recovery

Flow Control

20
Q

Layer 5 of OSI Model is ___.

A

Session Layer

21
Q

The ___ layer establishes, manages and terminates connections between ___.

  1. Session/Transport
  2. Session/Conversations
  3. Session/Applications
  4. None of the above
A

Session/Applications

22
Q

The ___ layer sets up, coordinates, and terminates conversations, exchanges, and dialogues between the ___ at each end.

  1. Session/Transport
  2. Session/Conversations
  3. Session/Applications
  4. None of the above
A

Session/Applications

23
Q

The ___ layer deals with session and connection coordination.

  1. Transport layer
  2. Data Link layer
  3. Network layer
  4. Session layer
A

Session layer

24
Q

Layer 6 of OSI Model is ___.

A

Presentation

25
Q

Independence from differences in data representation by translating from application to network format, and vice versa is provided by ___ Layer.

  1. Transport layer
  2. Presentation layer
  3. Network layer
  4. Session layer
A

Presentation layer

26
Q

The ___ layer works to transform data into the form that the application layer can accept.

  1. Transport layer
  2. Presentation layer
  3. Network layer
  4. Session layer
A

Presentation layer

27
Q

The ___ layer formats and encrypts data to be sent across a network, providing freedom from compatibility problems.

  1. Transport layer
  2. Presentation layer
  3. Network layer
  4. Physical layer
A

Presentation layer

28
Q

The ___ layer of the OSI model is sometimes called the syntax layer.

A

Presentation Layer

29
Q

Layer 7 of OSI Model is ___.

A

Application Layer

30
Q

The 7th layer of OSI supports ___ and ___.

  1. Application and Presentation
  2. Network and end user authentication
  3. Application and end-user processes
  4. None of the above
A

Application and end-user processes

31
Q

Communication partners are identified, quality of service is identified, user authentication and privacy are considered, and any constraints on data syntax are identified in the ___ layer of the OSI model.

  1. Transport layer
  2. Presentation layer
  3. Network layer
  4. Physical layer
  5. Application layer
A

Application layer

32
Q

Every thing at the 7th layer is ___ specific.

  1. Application
  2. Presentation
  3. Authentication
  4. None of the above
A

Application

33
Q

The ___ layer provides services for file transfers, email, and other network software services.

  1. Transport layer
  2. Presentation layer
  3. Network layer
  4. Physical layer
  5. Application layer
A

Application layer

34
Q

TELNET and FTP are applications that exist entirely in the ___ layer.

  1. Transport layer
  2. Presentation layer
  3. Network layer
  4. Physical layer
  5. Application layer
A

Application layer

35
Q

Tiered application architectures are part of which layer?

  1. Physical layer
  2. Data Link layer
  3. Network layer
  4. Application layer
  5. Presentation layer
A

Application layer

36
Q

Ethernet, FDDI, B8ZS, V.35, RJ45 are examples of which layer?

  1. Physical layer
  2. Data Link layer
  3. Network layer
  4. Application layer
  5. Presentation layer
  6. Transport layer
  7. Session layer
A

Physical layer

37
Q

PPP, FDDI, ATM, IEEE 802.5/802.2, IEEE 802.3/802.2, HDLC, Frame Relay are examples of which layer?

  1. Physical layer
  2. Data Link layer
  3. Network layer
  4. Application layer
  5. Presentation layer
  6. Transport layer
  7. Session layer
A

Data Link layer

38
Q

AppleTalk DDP, IP, IPX are examples of which layer?

  1. Physical layer
  2. Data Link layer
  3. Network layer
  4. Application layer
  5. Presentation layer
  6. Transport layer
  7. Session layer
A

Network layer

39
Q

SPX, TCP, UDP are examples of which layer?

  1. Physical layer
  2. Data Link layer
  3. Network layer
  4. Application layer
  5. Presentation layer
  6. Transport layer
  7. Session layer
A

Transport layer

40
Q

NFS, NetBios names, RPC, SQL are examples of which layer?

  1. Physical layer
  2. Data Link layer
  3. Network layer
  4. Application layer
  5. Presentation layer
  6. Transport layer
  7. Session layer
A

Session layer

41
Q

ENCRYPTION, ASCII, EBCDIC, TIFF GIF, PICT, JPEG, MPEG, MIDI are all examples of which layer?

  1. Physical layer
  2. Data Link layer
  3. Network layer
  4. Application layer
  5. Presentation layer
  6. Transport layer
  7. Session layer
A

Presentation layer

42
Q

WWW browsers, NFS, SNMP, Telnet, HTTP, FTP are all examples of which layer?

  1. Physical layer
  2. Data Link layer
  3. Network layer
  4. Application layer
  5. Presentation layer
  6. Transport layer
  7. Session layer
A

Application layer

ag-CEH-V10 - Certified Ethical Hacker (25 decks)

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