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15 Cards in this Set

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Application Layer

Provides communications services to applications by:
1. identifying and establishing the availability of other computers
2. determines if sufficient resources exist for communication purposes
Provides communications services to applications by identifying and establishing the availability of other computers as well as to determine if sufficient resources exist for communication purposes.
Application Layer
-----------------
1. Layer Number
2. Description
3. Device(s)
4. Protocol (name 5)
Application Layer
1. Number: 7
2. Description:
Network access for applications
--flow control
--error recovery
Communications services to applications
--ID available computers
--Sufficient resources
3. Device
--Gateway
4. Protocol
--NCP
--SMB
--SMTP
--FTP
--SNMP
--Telnet
--Appletalk
Application Layer

Provides communications services to applications by:
a) identifying and establishing the availability of other computers and determines if sufficient resources exist for communication purposes
b)Repackages messages into smaller formats, provides error free delivery and error handling functions
c) Performs protocol conversion, encryption and data compression
a) identifying and establishing the availability of other computers and determines if sufficient resources exist for communication purposes

b)Transport: Repackages messages into smaller formats, provides error free delivery and error handling functions
c) Presentation: Performs protocol conversion, encryption and data compression
Application Layer

Number?
7
Presentation Layer

Number?
6
Session Layer

Number?
5
Transport Layer

Number?
4
Network Layer

Number?
3
Application Layer

Provides network access for___________
Provides network access for applications, flow control and error recovery.
Data Link Layer

Number?
2
Physical Layer

Number?
1
Application Layer

Provides n_______ a_______ for a_______, f_______ c________ and e_____ r___________.
Provides network access for applications, flow control and error recovery.
Presentation Layer
-----------------
1. Layer Number
2. Description (3)
3. Device(s)
4. Protocol (name 2)
1. Layer Number: 6
2. Description
--protocol conversion
--encryption
--data compression
3. Device:
--Gateway
--Redirectors
4. Protocol:
NCP, AFP, TDI
Session Layer
-----------------
1. Layer Number
2. Description (3)
3. Device(s)
4. Protocol
1. Layer Number:5
2. Description:
--Handles connection establishment
--Dta transfer
--Connection release
3. Device: Gateway
4. Protocol: NetBios
Application Layer

Provides network access for:
a) protocol conversion, encryption and data compression
b) applications, flow control and error recovery
c)encryption and data compression
a) Provides network access for applications, flow control and error recovery.