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virtual machine
virtual machine appears to the owner as a separate independent computer with its own operating system.
a program running on a computer that creates a self-contained operating environment and presents the appearance to the user of a different computer.
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virtual machine
software that creates an operating environment that emulates another computer platform (for example, parallels desktop creates a virtual pc on an intel macintosh computer).
emulation of one computer (hardware and operating system) on another. flexible and isolated
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virtual machine
a self-contained operating environment, imposed through software, that takes on the function of / behaves like a separate computer, often used to run intermediate code or an operating system
a software implementation of a computer system, allowing one physical computer to run several &"virtual computers&", each with their own independent operating system and application software.
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virtual machine
virtual machines are based on computer architectures and provide functionality of a physical computer.
a software program that emulates the functions of some other physical or virtual computer
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virtual machine
an instance of a discrete operating system running within virtual server software on one computer. multiple virtual machines can run within the virtual server software on one computer.
software system that allows us to install multiple operating systems in a host computer, using the host hardware.
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0
virtual machine
emulation of one computer (hardware and operating system) on another. flexible and isolated
virtualization software that allows the physical hardware of a single pc to run multiple operating systems simultaneously.
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virtual machine
an environment on a computer in which you can install and run an operating system and programs
a software-controlled environment in which programs can behave as if they were running directly on the hardware of a physical computer.
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virtual machine
essentially a virtual computer running within your computer
a software computer that, like a runs an operating system and applications, however does not physically exist.
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0
virtual machine
essentially a virtual computer running within your computer
a program running on a computer that creates a self-contained operating environment and presents the appearance to the user of a different computer.
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0
virtual machine
a program running on a computer that creates a self-contained operating environment and presents the appearance to the user of a different computer.
enables a computer or device to run another operating system in addition to the one installed
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virtual machine
an environment on a computer in which you can install and run an operating system and programs
a software implementation of a computer that executes programs like a physical computer.
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0
virtual machine
virtual machine appears to the owner as a separate independent computer with its own operating system.
enables a computer or device to run another operating system in addition to the one installed
0
0
virtual machine
essentially a virtual computer running within your computer
enables a computer or device to run another operating system in addition to the one installed
2
1
virtual machine
essentially a virtual computer running within your computer
a self-contained operating environment, imposed through software, that takes on the function of / behaves like a separate computer, often used to run intermediate code or an operating system
2
1
virtual machine
a program running on a computer that creates a self-contained operating environment and presents the appearance to the user of a different computer.
a software computer that, like a runs an operating system and applications, however does not physically exist.
2
1
virtual machine
an environment on a computer in which you can install and run an operating system and programs
a software emulator that acts like a physical computer
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0
virtual machine
an instance of a discrete operating system running within virtual server software on one computer. multiple virtual machines can run within the virtual server software on one computer.
emulation of one computer (hardware and operating system) on another. flexible and isolated
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virtual machine
a software implementation or emulation of a host machine, which is created by virtualization software, and runs independently from the host on which it is installed.
runs on a physical computer as a virtualized computer system. multiple virtual machines can run on one computer
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virtual machine
programs which simulate 1 or more additional physical computers in a single machine
a software implementation of a computer that executes programs like a physical machine
1
0
virtual machine
software that creates an operating environment that emulates another computer platform (for example, parallels desktop creates a virtual pc on an intel macintosh computer).
software system that allows us to install multiple operating systems in a host computer, using the host hardware.
2
1
virtual machine
software system that allows us to install multiple operating systems in a host computer, using the host hardware.
virtualization software that allows the physical hardware of a single pc to run multiple operating systems simultaneously.
2
1
virtual machine
a software emulator that acts like a physical computer
a software-controlled environment in which programs can behave as if they were running directly on the hardware of a physical computer.
2
1
virtual machine
virtual machine appears to the owner as a separate independent computer with its own operating system.
a software computer that, like a runs an operating system and applications, however does not physically exist.
1
0
virtual machine
a software implementation or emulation of a host machine, which is created by virtualization software, and runs independently from the host on which it is installed.
is a logical entity but appears like a physical host to the operating system, with its own cpu, memory, network controller, and disks.
1
0
virtual machine
an instance of a discrete operating system running within virtual server software on one computer. multiple virtual machines can run within the virtual server software on one computer.
virtualization software that allows the physical hardware of a single pc to run multiple operating systems simultaneously.
1
0
virtual machine
a self-contained operating environment, imposed through software, that takes on the function of / behaves like a separate computer, often used to run intermediate code or an operating system
a software computer that, like a runs an operating system and applications, however does not physically exist.
2
1
virtual machine
a program running on a computer that creates a self-contained operating environment and presents the appearance to the user of a different computer.
a software implementation of a computer system, allowing one physical computer to run several &"virtual computers&", each with their own independent operating system and application software.
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0
energy consumption
no energy sources are truly clean all human activities require energy (heat and cool buildings, illuminate buildings and streets, and plant harvest and ship food)
the use of energy as a source of heat or power or as a raw material input to a manufacturing process
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energy consumption
the amount of energy consumed by business processes and systems
(degree of efficiency with which a software product consumes energy when performing its functions)
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energy consumption
amount of energy or power used by a society or organization.
no energy sources are truly clean all human activities require energy (heat and cool buildings, illuminate buildings and streets, and plant harvest and ship food)
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energy consumption
usa uses the most oil globally, africa uses the least amount of energy, europe is heavily reliant on nuclear power, europe uses the largest proportion of hep
no energy sources are truly clean all human activities require energy (heat and cool buildings, illuminate buildings and streets, and plant harvest and ship food)
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energy consumption
amount of energy or power used by a society or organization.
the amount of energy consumed for various purposes; different between developing and developed nations
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data models
a collection of conceptual tools for describing data, data relationships, data semantics, and consistency constraints.
three types: 1. graphical diagram 2. enterprise data model 3. project data model
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data models
graphical systems used to capture the nature and relationships among data
capture the nature of and relationships among data and are used at different levels of abstraction as a database is conceptualized and designed
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data models
relatively simple representations of complex real world data structures -graphical abstraction of real world obj/event -iterative process useful in understanding complexities of the real world
relatively simple representations of complex real-world data structures (often graphical) data modeling is an iterative and progressive process
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data models
concepts to describe the structure of database, operations and constraints
a set of concepts to describe the structure and constraints of the database
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data models
simple representations of complex real-world data structures *useful for supporting a specific problem domain.
relatively simple representations of complex real world data structures -graphical abstraction of real world obj/event -iterative process useful in understanding complexities of the real world
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data models
simple representations of complex real-world data structures *useful for supporting a specific problem domain.
relatively simple representations of complex real-world data structures (often graphical) data modeling is an iterative and progressive process
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data models
- representation, usually graphical, of the structure of a database solution for a given business problem.
a collection of conceptual tools for describing data, data relationships, data semantics, and consistency constraints.
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data models
- representation, usually graphical, of the structure of a database solution for a given business problem.
three types: 1. graphical diagram 2. enterprise data model 3. project data model
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control flow
order in which individual statements , instructions, or function calls of an imperative program are executed or evaluated
is the order of function calls , procedures, and programs which are executed or evaluated.
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control flow
a sequence of events (paths) in the execution through a component or system. direction computer program moves from instruction to instruction over time.
-computers execute instructions in sequence except for when we change the control flow via -jump instructions -call instructions
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control flow
the sequence in which operations are performed during the execution of a test item
is the order of function calls , procedures, and programs which are executed or evaluated.
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control flow
the order in which statements are executed, a core idea for most first programming classes
-computers execute instructions in sequence except for when we change the control flow via -jump instructions -call instructions
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control flow
a sequence of events (paths) in the execution through a component or system. direction computer program moves from instruction to instruction over time.
the order in which statements are executed, a core idea for most first programming classes
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control flow
the direction the computer program moves from instruction to instruction over time. can also be controlled by if statements and other binary conditions.
the order in which statements are executed, a core idea for most first programming classes
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control flow
the direction the computer program moves from instruction to instruction over time. can also be controlled by if statements and other binary conditions.
-computers execute instructions in sequence except for when we change the control flow via -jump instructions -call instructions
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control flow
a condition or nondataevent that triggers a process.•used sparingly on dfds.
represents a condition or non-data event that triggers a process. time for report-generation process; temperature and/or altitude (real-time conditions) for real-time systems
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control flow
statements in source code files are executed from top to bottom in the order they are written. allows for programs to execute blocks of code conditionally.
-successive execution of program statements -conditional statements alter default flow
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control flow
consists of tasks that execute when the package runs
writing java programs that can follow different sets of instructions depending on the values that we provide to them
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control flow
gives us this ability to choose among outcomes based on what else is happening in the program.
writing java programs that can follow different sets of instructions depending on the values that we provide to them
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control flow
gives us this ability to choose among outcomes based on what else is happening in the program.
consists of tasks that execute when the package runs
1
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control flow
order in which individual statements , instructions, or function calls of an imperative program are executed or evaluated
the sequence in which operations are performed during the execution of a test item
1
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control flow
in an activity diagram: represented by a line with an arrow at one end.
order of instruction execution best way to think of activity diagrams
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control flow
successive execution of program statements
the ordering of program execution.
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control flow
statements in source code files are executed from top to bottom in the order they are written. allows for programs to execute blocks of code conditionally.
a graph that contains decision points and executed statements. decisions/conditional tests are shown as diamonds and statements as rectangles.
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control flow
the direction the computer program moves from instruction to instruction over time. can also be controlled by if statements and other binary conditions.
a sequence of events (paths) in the execution through a component or system. direction computer program moves from instruction to instruction over time.
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control flow
a graph that contains decision points and executed statements. decisions/conditional tests are shown as diamonds and statements as rectangles.
-successive execution of program statements -conditional statements alter default flow
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enterprise applications
systems that span functional areas, focus on executing business processes across the firm, and include all levels of management (ex: what products should we make in 5 years)
which are systems that span functional areas, focus on executing business processes across the business firm, and include all levels of management
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enterprise applications
which are systems that span functional areas, focus on executing business processes across the business firm, and include all levels of management
systems that can coordinate activities, decisions, and knowledge across many different functions, levels, and business units in a firm
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enterprise applications
systems that span functional areas, focus on executing business processes across the firm, and include all levels of management (ex: what products should we make in 5 years)
systems that span functional areas, focus on executing business processes across the business firm, and include all levels of management, ensures that tps, mis, dss and ess work together smoothly
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enterprise applications
systems that span functional areas, focus on executing business processes across the business firm, and include all levels of management -help businesses become more flexible and productive
systems that span functional areas, focus on executing business processes across the business firm, and include all levels of management, ensures that tps, mis, dss and ess work together smoothly
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enterprise applications
systems that can coordinate activities, decisions, and knowledge across many different functions, levels, and business units in a firm
systems that span functional areas, focus on executing business processes across the business firm, and include all levels of management, ensures that tps, mis, dss and ess work together smoothly
1
0
communication network
-reveals who talks to whom -reveals interaction patterns or the flow of messages -creates structured group norms and expectations -creates social roles and relationships
set of rules governing the possibility or ease of communication between different roles in a group
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communication network
the patterns of communication that exist in a small group; how information typically flows from person to person during a small group discussion.
the pattern or interaction within a group or who talk to whom
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communication network
pattern or flow of communication among people.
a pattern or a row of communications with people in a group(choose who you talk to)
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communication network
the patterns of communication that exist in a small group; how information typically flows from person to person during a small group discussion.
the interaction pattern or flow of messages between and among group members. provides structure for a group because it controls who talks to who.
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communication network
a communication network (or communication system) links together devices so that data and information can be shared among them.
a structure through which information flows in a business
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application layer
layer 7 of the osi model, which interacts with application programs that incorporate a communication component such as your internet browser and email ex) http, ftp, smtp
osi model layer that interacts with application programs that incorporate a communication component such as your internet browser and mail. - service advertisement. - application services.
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application layer
enables client application programs to access the other layers, and it defines the protocols that applications use to exchange data
application layer provides standards for how applications work together. this layer insures the interoperability of applications from different vendors.
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application layer
enables client application programs to access the other layers, and it defines the protocols that applications use to exchange data
responsible for interpreting data to a format meaningful to applications the primary data that lower levels are in charge of transporting closest to end user
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application layer
includes communication protocols used by programs that make and respond to high-level requests for network services
includes protocols used to routing information among systems on the internet
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application layer
layer where applications create and communicate user data to other applications on the same or another host.
enables client application programs to access the other layers, and it defines the protocols that applications use to exchange data
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application layer
provides services for an application program to ensure effective communication.
responsible for supporting application and end-user processes; application services for file transfers, e-mail, and other network software services.
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application layer
the software that enables the user to perform useful work...reason for having a network is to enable these applications
network process to application -service that talks over a network -allows end user to communicate through the network.
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application layer
first layer in the tcp/ip stack. where networking applications, like web browsers operate. applications select the correct protocol depending on what the user wants to do.
where the application using the network resides, common network applications include web browsing, e-mail, file transfers, and remote logins.
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application layer
comprises applications and processes that use the network
network process to application -service that talks over a network -allows end user to communicate through the network.
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application layer
the software that enables the user to perform useful work...reason for having a network is to enable these applications
comprises applications and processes that use the network
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application layer
protocols govern how data moves in and our of app, web browsers, and emails, http(s), ftp, pop3, smtp, imap
supporting network applications like ftp, smtp, http.
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application layer
*specify how a pair of applications interact when they communicate *specify details about - the format - the meaning of messages that applications can exchange
upper layer data: for network necessary applications. this is what the user uses to interact with the os. i.e chrome, firefox, outlook, etc.
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application layer
this layer enables the users to access the network.
a layer of osi model that provides the users access to network resources
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application layer
*specify how a pair of applications interact when they communicate *specify details about - the format - the meaning of messages that applications can exchange
layer 5 in internet model, the software that enables the users to perform useful work ex) instant messaging, videoconference, file transfer, email, web, wordprocessing
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application layer
*specify how a pair of applications interact when they communicate *specify details about - the format - the meaning of messages that applications can exchange
where the application using the network resides, common network applications include web browsing, e-mail, file transfers, and remote logins.
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application layer
allows applications to access services to transfer data over the network
enables applications on a network node (device) to request network services such as file transfers, email, and database access.
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application layer
layer where applications create and communicate user data to other applications on the same or another host.
application layer provides standards for how applications work together. this layer insures the interoperability of applications from different vendors.
2
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application layer
*specify how a pair of applications interact when they communicate *specify details about - the format - the meaning of messages that applications can exchange
first layer in the tcp/ip stack. where networking applications, like web browsers operate. applications select the correct protocol depending on what the user wants to do.
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application layer
the software that enables the user to perform useful work...reason for having a network is to enable these applications
the seventh layer of the osi model. provides services to a user, like a browser. help properly format, secure, and sync with the network
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application layer
first layer in the tcp/ip stack. where networking applications, like web browsers operate. applications select the correct protocol depending on what the user wants to do.
layer 5 in internet model, the software that enables the users to perform useful work ex) instant messaging, videoconference, file transfer, email, web, wordprocessing
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application layer
layer 7 in the osi model provides interfaces that enable applications to request and receive network services
services that are used with end user applications
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application layer
provides tools for programs to use to access the network (and the lower layers). http, ftp, smtp and pop3 are examples of protocols that operate at this layer
provides protocols for applications to use (smtp, pop, http/s, ftp etc.
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application layer
provides a user interface
responsible for interfacing user applications, network services, or the operating system with the protocol stack
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application layer
it is the layer that provides the interface between the applications used to communicate and the underlying network over which messages are transmitted
responsible for directly accessing the underlying processes that manage and deliver communication to the human network. this layer serves as the source and destination of communications across data networks.
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application layer
supporting network applications like ftp, smtp, http.
layer 7: provides an interface between software running on a computer and the network itself (iget web page object) http, pop3, smtp, pop3, voip, snmp hosts, firewalls
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application layer
osi layer which enables user to access network and provides user interface and support services
a layer of osi model that provides the users access to network resources
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application layer
upper layer data: for network necessary applications. this is what the user uses to interact with the os. i.e chrome, firefox, outlook, etc.
where the application using the network resides, common network applications include web browsing, e-mail, file transfers, and remote logins.
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application layer
the layer of the osi model that is responsible for integrating network services with the operating systems.
provides a user interface
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application layer
the software that enables the user to perform useful work...reason for having a network is to enable these applications
7th layer presents info in human friendly way provides interface to the software that enables it to use network services
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application layer
this tcp/ip layer is equivalent to the combined session, presentation, and application layers of the osi model.
in a tcp/ip model, this layer corresponds to the session, presentation, and application layers of the osi model.
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application layer
network process to application -service that talks over a network -allows end user to communicate through the network.
the seventh layer of the osi model. provides services to a user, like a browser. help properly format, secure, and sync with the network
1
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application layer
which layer of the tcpiip model processes requests from hosts to ensure a connection is made to the appropriate port
tcp layer that processes requests