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Network + > Layer 4 > Flashcards

Layer 4 Flashcards

1
Q

TCP

A 
Transmission Control Protocol
Connection oriented
Three way handshake 
SYN
SYN-ACK
ACK
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2
Q

UDP

A 
User Datagram Protocol
Connectionless
Unreliable
Unaware of dropped segments
Audio and video
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3
Q

Windowing

A

Allows clients to adjust amount of data sent in each segment

Continually adjusts

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4
Q

Buffering

A

Occurs when devices such as routers allocate memory to store segments if bandwidth isnt readily available

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5
Q

Examples of Layer 4 devices

A 
TCP
UDP
WAN accelerators
Load balancers
Firewalls
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Network + (16 decks)

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