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DefendEdge Training > OSI & Network Class > Flashcards

OSI & Network Class Flashcards

1
Q

What are the OSI Layers?

A

Application, Presentation, Session, Transport, Network, Data Link, Physical

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2
Q

What is Layer 1

A

Physical

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3
Q

What is Layer 2?

A

Data Link

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4
Q

What is Layer 3?

A

Network

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5
Q

What is Layer 4?

A

Transport

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6
Q

What is Layer 5?

A

Session

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7
Q

What is Layer 6?

A

Presentation

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8
Q

What is Layer 7?

A

Application

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9
Q

What does the Application Layer do?

A

Allows access to network resources

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10
Q

Which is the Application Layer?

A

7

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11
Q

Which is the Presentation Layer?

A

6

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12
Q

Which is the Session layer?

A

5

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13
Q

Which is the Transport Layer?

A

4

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14
Q

Which is Network Layer?

A

3

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15
Q

Which is the Data Link Layer?

A

2

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16
Q

Which is the Physical Layer?

A

1

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17
Q

What does the Physical Layer do?

A

Transmits bits over a medium. Provides mechanical specifications.

18
Q

What does the Data Link Layer do?

A

Organizes Bits into Frames.

Provides hop-to-hop delivery

19
Q

What does the Network Layer do?

A

Moves packets from source to destination.

Provides internetworking

20
Q

What does the Transport Layer do?

A

Provides reliable process to process message delivery and error delivery

21
Q

What does the Session Layer do?

A

Established, manages, and terminates sessions.

22
Q

What does the Presentation Layer do?

A

Transforms data into the form that the application accepts. This layer formats and encrypts data to be sent across a network.

23
Q

What does the Application Layer do?

A

Allows access to network resources

24
Q

What Layer is Telnet?

A

Application

25
Q

What Layer is HTTP?

A

Application

26
Q

What Layer is POP3?

A

Application

27
Q

What Layer is UDP?

A

Transport

28
Q

What Layer is TCP?

A

Transport

29
Q

What Layer is Syslog?

A

Transport

30
Q

What Level is DHCP

A

Network

31
Q

What is the Class A Network Private Block?

A

10.0.0.0 to 10.255.255.255

32
Q

What is the Class B Network Private Block

A

172.16.0.0 - 172.31.255.255

33
Q

What is the Class C Network Private Block?

A

192.168.0.0 - 192.168.255.55

34
Q

What is the IP Range for Class A Network?

A

1-126

35
Q

What is default Mask for a Class A Network?

A

255.0.0.0

36
Q

What is the default mask for a Class B Network?

A

225.225.0.0

37
Q

What is the IP Range for a Class B Network?

A

128-191

38
Q

What is the IP Range for a Class C Network?

A

192-223

39
Q

What is the Default Mask for a Class C Network?

A

255.255.255.0

40
Q

What is a Session

A

A temporary and interactive information interchange between two or more communicating devices

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