Enterprise Networking
Textbook Exam Questions
Course Introduction
Enterprise Networking explores the principles, technologies, and practices involved in designing, implementing, and managing large-scale network infrastructures within organizations. The course covers key topics such as network architecture, routing and switching, network security, wireless and wired technologies, virtualization, and cloud integration. Students will learn how to analyze business requirements, plan scalable solutions, troubleshoot network issues, and ensure reliable and secure communication across complex systems. Emphasis is placed on current industry standards, best practices, and the use of modern tools to address real-world enterprise networking challenges.
Recommended Textbook
Data Communications and Computer Networks A Business Users Approach 8th Edition by Curt
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Chapter 1: Introduction to Computer Networks and Data Communications
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Q1) The TCP/IP ____ layer,sometimes called the Internet layer,is roughly equivalent to OSI's network layer.
A) network access
B) application
C) transport
D) network
Answer: D
Q2) Some people call computer terminals thick-client workstations.
A)True
B)False
Answer: False
Q3) ____ is the transmission of multiple signals on one medium.
A) Multiplexing
B) Codec
C) Modem
D) Package
Answer: A
Q4) The ____________________ layer of the OSI model is responsible for creating,maintaining,and ending network connections.
Answer: network
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Chapter 2: Fundamentals of Data and Signals
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Q1) One of the most common forms of data transmitted between a transmitter and a receiver is textual data.
A)True
B)False
Answer: True
Q2) The most common example of ____ data is the human voice.
A) sampling
B) baud
C) digital
D) analog
Answer: D
Q3) The ____________________ of a signal is the height of the wave above (or below)a given reference point.
Answer: amplitude
Q4) IBM mainframe computers are major users of the EBCDIC character set.
A)True
B)False
Answer: True
Q5) The ____________________,or time interval,of one cycle is called its period. Answer: length
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Chapter 3: Conducted and Wireless Media
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Sample Questions
Q1) Microwave transmissions follow the curvature of the Earth.
A)True
B)False
Answer: False
Q2) Which type of satellite remains located over the same point of earth at all times?
A) LEO
B) MEO
C) GEO
D) HEO
Answer: C
Q3) At the end of the twentieth century,there were approximately 3000 LEO satellites.
A)True
B)False
Answer: False
Q4) Coaxial cable is available in a variety of thicknesses,with two primary physical types: thick coaxial cable and ____________________ coaxial cable.
Answer: thin
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Chapter 4: Making Connections
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Sample Questions
Q1) Examples of real-time applications usually include streaming voice,video,and music.
A)True
B)False
Q2) A(n)____________________ connection is a single wire with the mainframe connected on one end and multiple terminals connected on the other end.
Q3) To define functional and procedural components,EIA-232F incorporates the ITU's ____ standard.
A) ISO 2110
B) V.28
C) RS-232
D) V.24
Q4) ____________________ is similar to InfiniBand in that it too is a serial,high-speed network that connects a computer to multiple input/output devices.
Q5) The connection to a peripheral is often called the ____.
A) USB
B) interface
C) FireWire
D) EIA-232F
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Chapter 5: Making Connections Efficient: Multiplexing and Compression
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Sample Questions
Q1) How does T-1 multiplexing work?
Q2) To keep one signal from interfering with another signal,a set of unused frequencies called a(n)____________________ is usually inserted between the two signals,to provide a form of insulation.
Q3) ____ division multiplexing is a good technique for transmitting multiple concurrent signals over a fiber-optic line.
A) Statistical time
B) Synchronous time
C) Frequency
D) Wavelength
Q4) ____ replaces any repetitions of the same bit or byte that occur in a sequence of data with a single occurrence of the bit/byte and a run count,or simply with a run count.
A) Run-length encoding
B) Lossy compression
C) Random compression
D) Full encoding
Q5) Cell phones are an example of dynamically assigned channels.
A)True
B)False
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Chapter 6: Errors, Error Detection, and Error Control
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Sample Questions
Q1) White noise is also called thermal noise or ____ noise.
A) crosstalk
B) jitter
C) Gaussian
D) spike
Q2) When a digital signal is being transmitted,the rises and falls of the signal can start to shift,or become blurry,and thus produce ____________________.
Q3) NAK represents a positive acknowledgment.
A)True
B)False
Q4) ____________________ is the reflective feedback of a transmitted signal as the signal moves through a medium.
Q5) ____________________ is the continuous loss of a signal's strength as it travels though a medium.
Q6) In a sliding-winow error control system,a receiver may acknowledge multiple packets with a single ACK.
A)True
B)False
Q7) How does longitudinal parity work?
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Chapter 7: Local Area Networks: Part I
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Q1) One of the more interesting applications for a dedicated segment network and a switch is creating a ____.
A) virtual LAN
B) dedicated LAN
C) shared LAN
D) local LAN
Q2) In IEEE 802.3 standard for CSMA/CD,frames shorter than 64 bytes are considered ____________________,or frame fragments.
Q3) ____ cabling has become the preferred medium for star-wired bus topologies.
A) Twisted pair
B) Coaxial
C) Fiber-optic
D) FDDI
Q4) ____ was a system designed for twisted pair wiring,but with only a 1-Mbps data transfer rate for 500 meters.
A) 10BaseT
B) 10Broad36
C) 100BaseTX
D) 1Base5
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Chapter 8: Local Area Networks: Part II
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Sample Questions
Q1) ____ technique is also known as disk mirroring.
A) RAID-0
B) RAID-1
C) RAID-3
D) RAID-5
Q2) ____ software is used to block unwanted e-mail and is available at many levels.
A) Antivirus
B) Network-monitoring
C) Crash protection
D) Antispam
Q3) A(n)____________________ may not have any servers but allows communications between workstations,as if the workstations were all equals.
Q4) The ____ network operating systems were the first to perform redirection on a local area network.
A) Linux
B) Unix
C) Windows NT
D) Novell
Q5) What are the four steps for creating a good and appropriate tree design?
Q6) Briefly explain the evolution of the wireless LAN protocols.
Page 10
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Chapter 9: Introduction to Metropolitan Area Networks and
Wide Area Networks
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Q1) To distinguish between a piece of data processed at the data link layer and a piece of data processed at the network layer,the term "____" is used at the data link layer,and the term "packet" is used at the network layer.
A) load
B) product
C) frame
D) payload
Q2) ______________________________ protocol is a link state algorithm and is still used today by many Internet routers.
Q3) A(n)____________________ is a large surge of data that's transmitted for a short period of time.
Q4) The ability to reroute in the event of a failure is called ____________________.
Q5) A(n)____________________ is a collection of nodes and interconnecting telecommunications links.
Q6) The first routing algorithm used within the Internet was called a distance vector routing algorithm.
A)True
B)False
Q7) How does a virtual circuit packet-switched network work?
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Chapter 10: The Internet
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Q1) In 1983,the Department of Defense broke the ARPANET into two similar networks: the original ARPANET and ____.
A) MILNET
B) NSFnet
C) CampusNET
D) DoDNET
Q2) Using a Web browser,you can download and view Web pages on a personal computer.
A)True
B)False
Q3) The practice of making telephone calls over the Internet has had a number of different names,including packet voice,voice over packet,voice over the Internet,Internet telephony,and ____.
A) HTML
B) SMTP
C) Voice over IP (VoIP)
D) XHTML
Q4) The primary function of ___________________________________ is to turn an unreliable network into a reliable network that is free from lost and duplicate packets.
Q5) IP ____________________ is essentially another name for a data packet.
Page 12
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Chapter 11: Voice and Data Delivery Networks
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Q1) A(n)____________________ is a high-speed communications service that allows high-speed access to wide area networks such as the Internet via a cable television connection.
Q2) After the 1984's Modified Final Judgment,the local telephone companies became known as ______________________________.
Q3) Only two wires are required to complete a telephone circuit.
A)True
B)False
Q4) Because DSL is an always-on connection,it uses a ____ circuit instead of a switched circuit.
A) changing
B) dynamic
C) virtual
D) permanent
Q5) MPLS and VPNs continue to replace which long-distance data services?
A) Google and Yahoo
B) Telnet and FTP
C) frame relay and ATM
D) frame relay and FTP
Q6) What was the reasoning behind the development of CLECs?
Page 13
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Chapter 12: Network Security
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Q1) The National Institute of Standards and Technology selected the algorithm Lucifer in October 2000 as the basis for AES.
A)True
B)False
Q2) Some common types of denial of service include e-mail bombing,____,and ping storm.
A) firewalling
B) filtering
C) smurfing
D) routing
Q3) A(n)____________________ is a system or combination of systems that supports an access control policy between two networks.
Q4) A firewall cannot limit users on the Internet from accessing certain portions of a corporate network.
A)True
B)False
Q5) A computer ____________________ is a small program that alters the way a computer operates without the knowledge of the computer's users and often does various types of damage.
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Chapter 13: Network Design and Management
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Sample Questions
Q1) In a wide area connectivity map,mobile or wireless sites are indicated by circles containing the letter ____.
A) A
B) E
C) M
D) X
Q2) One technique used to model a corporation's network environment is to create ____.
A) link shadows
B) node approaches
C) dots model
D) connectivity maps
Q3) In a payback analysis,the ____ values are the running sums of the Time-Adjusted Benefits over all the years.
A) Time-Adjusted Benefits
B) Cumulative Time-Adjusted Benefits
C) Cumulative Time-Adjusted Costs
D) Time-Adjusted Costs
Q4) Mention some of the major goals every company has.
Q5) What are the SDLC phases?
15
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