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IS 3413 Telecom (Huddleston) Exam 1 Review 2023| 109 Questions with Complete solutions- Graded A+ $6.99   Add to cart

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IS 3413 Telecom (Huddleston) Exam 1 Review 2023| 109 Questions with Complete solutions- Graded A+

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IS 3413 Telecom (Huddleston) Exam 1 Review 2023| 109 Questions with Complete solutions- Graded A+

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  • June 13, 2023
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IS 3413 Telecom (Huddleston) Exam 1
Review 2023| 109 Questions with
Complete solutions- Graded A+
Circuit - -Connection between networked devices; may include switches/routers.

-Client - -User's network access device; contains presentation, application, and data
access logic

-Server (Host) - -Device that stores & transmits data to clients; contains all the
components

-Local Area Network (LAN) - -Networked computers located in the same general area

-Backbone Network (BN) - -High-speed networks connecting other networks together

-Wide Area Network (WAN) - -Largest geographic scope; spans hundreds or thousands
of miles

-Standards - -Ensure that hardware and software from different vendors work together

-De jure standards - -Formalized by industry or government
e.g. HTTP, IEEE 802.3, 802.11n

-De facto standards - -Widely accepted, but not formalized
e.g. Microsoft Windows

-Protocol - -Specifies the rules, functionality, and messages for communication

-7-layer Open Systems Interconnection (OSI) Model - -

1. Application
2. Presentation
3. Session
4. Transport
5. Network
6. Data Link
7. Physical

-5-layer Internet Model - -

1. Application
2. Transport
3. Network

, 4. Data Link
5. Physical

-Internet Model Layer #5 Application - -User's access to network, software to perform
work

-Internet Model Layer #4 Transport - -End-to-End Management
1. Link app layer to network
2. segmenting & tracking
3. Flow Control

-Internet Model Layer #3 Network - -Deciding where the message goes
1. Addressing
2. Flow Control

-Internet Model Layer #2 Data Link - -Move a message from one device to the next
1. Controls hardware
2. Formats the message
3. Error Checking

-Internet Model Layer #1 Physical - -Transmits the message

-Presentation Logic - -presents data to user and accepts inputs

-Application Logic - -Performs computational functions (often called business logic)

-Data Access Logic - -Accesses specific data (often structured query language, SQL)

-Data Storage - -Storage & retrieval of data (file system logic)

-Client-Server Architecture - -Most common architecture today.
Client: Presentation, some application logic

Server: Some application, data access, and data storage logic

-Middleware - -Software between client & server apps; manages message transfer

-Thick Clients - -More functionality

-Thin Clients - -Easier to manage

-Software as a Service (SaaS) - -All application components and hardware outsourced

-Platform as a Service (PaaS) - -Application logic and data managed internally

-Infrastructure as a Service (IaaS) - -All hardware is outsourced

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