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ITN 100 Final Exam Study Guide Solutions Updated 2024 According to John Chambers, CEO of Cisco (a leading technology company), the information age is the second Industrial Revolution - ANSWER-True Due to recent advances in high speed communications networks, the information lag, or the time tim...

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  • November 11, 2024
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ITN 100 Final Exam Study Guide Solutions

Updated 2024


According to John Chambers, CEO of Cisco (a leading technology company), the information age is the

second Industrial Revolution - ANSWER✔✔-True


Due to recent advances in high speed communications networks, the information lag, or the time time it

takes for information to be disseminated around the world, has been significantly shortened -

ANSWER✔✔-True


One perspective of data communications and networking as stated in the textbook examines the

management of networking technologies, including security, network design, and managing the network

on a day-to-day basis - ANSWER✔✔-True


An inter-exchange carrier (IXC) provides only local telephone services to homes and businesses -

ANSWER✔✔-False, long-distance services


The Internet was started by the US DOD in 1969 as a network of four computers called ARPANET -

ANSWER✔✔-True


The OSI model is the most widely used network model to develop and building networks today -

ANSWER✔✔-True


An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the

organization - ANSWER✔✔-False, Privately available to people inside the organization




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At the transport layer in the Internet model, TCP is responsible for breaking large files received from the

application layer into smaller packets and opening a connection to the server for the packets -

ANSWER✔✔-True


Data communications standards enable each layer in the sending computer to communicate with its

corresponding layer in the receiving computer - ANSWER✔✔-True


American National Standards Institute (ANSI) is the coordinating organization for United States (not a

standards-making body). ANSI is a voting participant in the ISO. - ANSWER✔✔-True


In 1874, Alexander Graham Bell developed the concept for the telephone - ANSWER✔✔-True


The Internet has always been open to commercial traffic - ANSWER✔✔-False, not until the 1990s


Data communications and networking can be considered as a global area of study because new

technologies and applications emerge from a variety of countries and spread around the world and it

concerns the technologies that enable global communication - ANSWER✔✔-True


Modern (1990s and beyond) data communication networks are characterized by distributed systems that

rely heavily on networking - ANSWER✔✔-True


Modern (1990s) data communication networks are characterized by a deck of punch cards -

ANSWER✔✔-False


A server can store data and software that can be accessed by the client - ANSWER✔✔-True


A server is/can be the pathway through which messages travel - ANSWER✔✔-True


A server can perform only one function - ANSWER✔✔-False




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A backbone network is a high speed central network that connects other networks in a distance

spanning up to several miles - ANSWER✔✔-True


Networks that are designed to connect similar computers that share data and software with each other

are called peer-to-peer networks - ANSWER✔✔-True


A local area network (LAN) is a network spanning a large geographical area (up to 1000s of miles) -

ANSWER✔✔-False, it is a small location


The network layer (layer 3) is responsible for making routing decision and routing of messages from the

sender to the final destination - ANSWER✔✔-True


The presentation layer of the OSI model is responsible for ensuring that all packets sent are received by

the destination station and dealing with end-to-end issues - ANSWER✔✔-False, Transport layer


The transport layer of the OSI model is responsible for ensuring all packets sent are received by the

destination station by dealing with end-to-end issues - ANSWER✔✔-True


Wireshark is one of the world's foremost network protocol analyzers and it is the standard that most

professional and educational institutions use today - ANSWER✔✔-True


The four general functions of any application program are data storage, data access logic, application

logic, and presentation logic - ANSWER✔✔-True


A network computer is designed primarily to communicate using Internet based standards, but has no

hard disk. It has only limited functionality - ANSWER✔✔-True


There are four kinds of applications architectures. They are host-based architecture (server performs

almost all functions), client-based architectures (client performs most functions), client-server



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architecture (functions shared between client and server), and peer-to-peer. We will not consider the

cloud architecture. - ANSWER✔✔-True


As the demand for more and more network applications grow; host-based computer is the best solution

- ANSWER✔✔-False, client-server


The fundamental problem in client-based networks is that all data on the server must travel to the client

for processing - ANSWER✔✔-True


One major advantage to a client-server network lies in the fact that client-server networks enable

software and hardware from different vendors to be used together - ANSWER✔✔-True


Advantages of the client-server architecture is that they are more efficient because of distributed

processing and they allow hardware and software from different vendors to be used together. In

addition, they enable cloud computing - ANSWER✔✔-True


Functions of application layer are four functions: 1. data storage - storing of data generated by programs

2. data access logic - processing required to access stored data 3. application logic - business logic such

as word processors, spreadsheets, and 4. circuit logic - connecting the wires - ANSWER✔✔-False,

presentation logic, not circuit logic


In the 3-tier architecture, the software on the client computer is responsible for presentation logic -

ANSWER✔✔-True


Scalability refers to the ability to increase or decrease the capacity of the computing infrastructure in

response to changing capacity needs - ANSWER✔✔-True


In P2P architectures all computers can server as a client and a server. They have increased popularity in

the last decade due to the rise of P2P services such as Napster. Their advantages are that data can be


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