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56 Cards in this Set
- Front
- Back
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What is layer 7 of the OSI model?
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The Application layer
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What layer number is the Application layer of the OSI model?
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7
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What is layer 6 of the OSI model?
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The Presentation layer
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What layer number is the Presentation layer of the OSI model?
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6
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At which OSI layer is encryption / decryption?
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Layer 6, or the Presentation layer
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At which OSI layer is data compression?
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Layer 6, or the Presentation layer
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What is layer 5 of the OSI model?
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The Session layer
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What layer number is the Session layer of the OSI model?
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5
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What is layer 4 of the OSI model?
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The Transport Layer
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What layer number is the Transport layer of the OSI model?
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4
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What does MTU stand for?
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Maximum Transmission (or Transfer) Unit
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What is the typical value for MTU?
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1500 bytes.
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At which OSI layer are software ports?
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Layer 4, or the Transport layer
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What does TCP stand for?
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Transmission Control Protocol
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Which protocol provides for guaranteed delivery of information?
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TCP, or Transmission Control Protocol
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At which OSI layer is TCP?
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Layer 4, or the Transport layer
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Which protocol provides for fast (but not guaranteed) delivery of infor-
mation? |
UDP, or User Datagram Protocol
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What does UDP stand for?
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User Datagram Protocol
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At which OSI layer is UDP?
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Layer 4, or the Transport layer
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At which OSI layer do we fi nd segments?
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Layer 4, or the Transport layer
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What is the Protocol Data Unit at OSI layer 4?
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Segment.
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What is layer 3 of the OSI model?
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The Network layer
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What layer number is the Network layer of the OSI model?
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3
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At which OSI layer is the Internet?
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Layer 3, or the Network layer
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At which OSI layer are Wide Area Networks?
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Layer 3, or the Network layer
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What does WAN stand for?
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Wide Area Network
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At which OSI layer is IP Addressing?
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Layer 3, or the Network layer
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At which OSI layer is Logical Addressing?
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Layer 3, or the Network layer
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At which OSI layer does a gateway operate?
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Layer 3, or the Network layer
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At which OSI layer is Network Address Translation?
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Layer 3, or the Network layer
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At which OSI layer does a router operate?
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Layer 3, or the Network layer
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At which OSI layer is Port Address Translation?
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Layer 3, or the Network layer
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At which OSI layer do we nd packets?
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Layer 3, or the Network layer
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What is the Protocol Data Unit at OSI layer 3?
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Packet.
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What is layer 2 of the OSI model?
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The Data Link layer
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What layer number is the Data Link layer of the OSI model?
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2
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What does MAC stand for?
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Media Access Control
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How does a typical laptop computer discover its own MAC address?
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It already knows it. It is electronically stored on the firmware of the EEPROM of the NIC.
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At which OSI layer is the Local Area Network?
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Layer 2, or the Data Link layer
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At which OSI layer is MAC Addressing?
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Layer 2, or the Data Link layer
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At which OSI layer is Physical Addressing?
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Layer 2, or the Data Link layer
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At which OSI layer is Ethernet?
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Layer 2, or the Data Link layer
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At which OSI layer does a switch operate?
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Layer 2, or the Data Link layer
Ex |
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At which OSI layer does a bridge operate?
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Layer 2, or the Data Link layer
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What is a multi-port bridge called?
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Switch.
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What is a two-port switch called?
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Bridge.
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At which OSI layer do we fi nd frames?
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Layer 2, or the Data Link layer
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What is the Protocol Data Unit at OSI layer 2?
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Frame.
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What is layer 1 of the OSI model?
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The Physical layer
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What layer number is the Physical layer of the OSI model?
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1
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What is a multi-port repeater called?
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Hub.
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What is a two-port hub called?
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Repeater.
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At which OSI layer does a hub operate?
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Layer 1, or the Physical layer
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At which OSI layer does a signal repeater operate?
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Layer 1, or the Physical layer
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At which OSI layer do we find bits?
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Layer 1, or the Physical layer
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What is the Protocol Data Unit at OSI layer 1?
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Bits.
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