Exam (elaborations)
ITN 100 Final Exam Study Guide Solutions Updated 2024
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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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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