Principles of Networking Final Exam
Course Introduction
Principles of Networking introduces students to the fundamental concepts and technologies that enable communication and data sharing across computer networks. The course covers the OSI and TCP/IP models, networking hardware, IP addressing, subnetting, and essential protocols such as TCP, UDP, and HTTP. Students learn about wired and wireless network topologies, routing and switching principles, network security basics, and troubleshooting common network issues. Through hands-on exercises and theoretical exploration, the course equips students with the foundational skills needed to understand, design, and maintain modern computer networks.
Recommended Textbook
Network+ Guide to Networks 5th Edition by Tamara Dean
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15 Chapters
748 Verified Questions
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Page 2
Chapter 1: An Introduction to Networking
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Sample Questions
Q1) The distinct units of data that are exchanged between nodes on a network. Answer: H
Q2) Often,separate LANs are interconnected and rely on several ____ running many different applications and managing resources other than data.
A) workstations
B) servers
C) clients
D) stand-alone computers
Answer: B
Q3) The scheme for assigning a unique identifying number to every node on the network. Answer: G
Q4) Describe license tracking in networks.
Answer: License tracking determines how many copies of a single application are currently in use on the network and ensures that number does not exceed the number of licenses purchased.This information is important for legal reasons,as software companies are vigilant about illegally copying software or using more than the authorized number of copies.
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Chapter 2: Network Standards and the OSI Model
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Q1) Describe the OSI model Session layer's functions.
Answer: Among the Session layer's functions are establishing and keeping alive the communications link for the duration of the session,keeping the communication secure,synchronizing the dialogue between the two nodes,determining whether communications have been cut off,and,if so,figuring out where to restart transmission,and terminating communications.Session layer services also set the terms of communication by deciding which node communicates first and how long a node can communicate.Finally,the Session layer monitors the identification of session participants,ensuring that only the authorized nodes can access the session.
Q2) The ____ is a fixed number associated with a device's NIC.
A) LLC address
B) frame address
C) logical address
D) physical address
Answer: D
Q3) Briefly describe IEEE's Project 802.
Answer: IEEE's Project 802 is an effort to standardize physical and logical elements of a network.IEEE developed these standards before the OSI model was standardized by ISO,but IEEE's 802 standards can be applied to the layers of the OSI model.
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Page 4
Chapter 3: Transmission Basics and Networking Media
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Sample Questions
Q1) ____ describes wiring that connects workstations to the closest telecommunications closet.
A) Backbone wiring
B) Horizontal wiring
C) Work area
D) Simple wiring
Answer: B
Q2) In modulation,a simple wave called a ____ wave,is combined with another analog signal to produce a unique signal that gets transmitted from one node to another.
A) carrier
B) data
C) information
D) FM
Answer: A
Q3) ______________________________ cabling consists of one or more insulated wire pairs encased in a plastic sheath.
Answer: UTP (unshielded twisted pair)
Unshielded twisted pair
UTP
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Page 5
Chapter 4: Introduction to TCP/IP Protocols
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Sample Questions
Q1) The most common way of expressing IP addresses.
Q2) If the standard port number for the Telnet service is 23,a host whose IPv4 address is 10.43.3.87 has a socket address for Telnet of ____.
A) 10.43.3.87/23
B) 10.43.3.87:23
C) 10.43.3.87-23
D) 23:10.43.3.87
Q3) Describe how ARP improves efficiency of MAC-to-IP address mappings.
Q4) ____ is a utility that can verify that TCP/IP is installed,bound to the NIC,configured correctly,and communicating with the network.
A) ARP
B) PING
C) Telnet
D) FTP
Q5) Describe the DHCP leasing process.
Q6) A hierarchical way of associating domain names with IP addresses.
Q7) Ports ranging from 49152 through 65535; open for use without restriction.
Q8) Define and describe Zeroconf (Zero Configuration).
Q9) Describe the Time to Live (TTL)field in an IP datagram.
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Chapter 5: Topologies and Ethernet Standards
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Q1) In a ring network,each workstation acts as a(n)____ for the transmission.
A) repeater
B) amplifier
C) terminator
D) manager
Q2) A ____ occurs when two transmissions interfere with each other.
A) jam
B) collision
C) carrier sense
D) multiple access event
Q3) The most popular method for connecting nodes on a network is circuit switching.
A)True
B)False
Q4) The most common 1-Gigabit Ethernet.
Q5) The smallest LANs do not have a backbone.
A)True
B)False
Q6) IEEE standard for fiber-optic Ethernet networks transmitting data at 10 Gbps.
Q7) Follows the 5-4-3 rule of networking.
Q8) Describe the advantage of the star topology.
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Chapter 6: Network Hardware
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Q1) CompactFlash NICs are most frequently used to connect devices too small to handle PCMCIA slots.
A)True
B)False
Q2) Bridges are protocol independent.
A)True
B)False
Q3) A ____ is a multiport connectivity device that directs data between nodes on a network.
A) switch
B) bridge
C) router
D) gateway
Q4) A computer's ____________________ is the circuit,or signaling pathway,used by the motherboard to transmit data to the computer's components,including its memory,processor,hard disk,and NIC.
Q5) Explain why network engineers value VLANs.Include a discussion on reasons for using VLANs.
Q6) Explain hybrid routing protocols.Describe an example.
Q7) Define wireless NICS.Include a description of disadvantages with their use.
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Chapter 7: WANs and Remote Connectivity
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Q1) ____________________ encapsulates incoming Ethernet or token ring frames,then converts them into ATM cells for transmission over an ATM network.
Q2) ISDN PRI uses ____ B channels and one 64-Kbps D channel.
A) 10
B) 12
C) 23
D) 32
Q3) Define and describea PSTN.
Q4) Occurs when data travels from the carrier's switching facility to the customer.
Q5) Occurs when data travels from the customer to the carrier's switching facility.
Q6) ____________________ is the remote virtual computing software that comes with Windows client and server operating systems.
Q7) Explain how a cable modem is utilized in broadband cable connections.
Q8) ____________________ are connections between network nodes that,although based on potentially disparate physical links,logically appear to be direct,dedicated links between those nodes.
Q9) Describe the most important advantage of SONET.
Q11) Explain how ATM relies on virtual circuits. Page 9
Q10) Define the term xDSL and name the better known DSL varieties.
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Page 10
Chapter 8: Wireless Networking
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Q1) ____ may use either the 2.4-GHz or 5-GHz frequency range.
A) 802.11a
B) 802.11b
C) 802.11g
D) 802.11n
Q2) In ____,a wireless signal splits into secondary waves when it encounters an obstruction.
A) reflection
B) scattering
C) diffraction
D) bounce back
Q3) A directional antenna issues wireless signals along a(n)____ direction.
A) open
B) narrow
C) wide
D) single
Q4) Describe the FHSS and DSSS spread spectrum technologies.
Q5) Transmission from a satellite transponder to an earth-based dish-shaped antenna.
Q6) Define reassociation and provide two examples explaining when it occurs.
Q7) The locations of the transmitter and receiver do not move.
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Chapter 9: Network Operating Systems
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Q1) The term domain model refers to a type of peer-to-peer network that relies on domains rather than on workgroups.
A)True
B)False
Q2) A workgroup is a group of interconnected computers that share each other's resources without relying on a central ____.
A) OU
B) domain
C) database
D) server
Q3) The directory containing information about objects in a domain resides on computers called ____ controllers.
A) OU
B) domain
C) database
D) server
Q4) ____________________ is the execution of multiple tasks at one time.
Q5) A logical representation of multiple,hierarchical levels within a directory.
Q6) Describe three advantages of choosing a proprietary UNIX system.
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Chapter 10: In-Depth TCP/IP Networking
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Q1) The TCP/IP configuration and management utility used on UNIX and Linux systems.
Q2) The ____ utility allows you to view a host's routing table.
A) nbstat
B) pathping
C) dig
D) route
Q3) Describe what PAT is and how it works.
Q4) An example of a popular client email software is ____.
A) MIME
B) Microsoft Outlook
C) Sendmail
D) Microsoft Exchange Server
Q5) The gateways that make up the Internet backbone are called ____ gateways.
A) proxy
B) core
C) Internet
D) default
Q6) Used if an administrator already know a host's name and wants to learn its IP address.
Q7) Queries a DNS registration database and obtain information about a domain.
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Chapter 11: Voice and Video Over IP
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Q1) When VoIP relies on the Internet,it is often called ____.
A) telephony
B) Internet telephony
C) IP telephony
D) voice telephony
Q2) Explain how gateways on a converged network exchange and translate signaling and control information with each other so that voice and video packets are properly routed through the network.
Q3) IP telephones are directly connected to the local loop.
A)True
B)False
Q4) When using an analog telephone,a VoIP adapter that performs analog-to-digital conversion is known as a(n)____.
A) VTA (voice telephone adapter)
B) ATA (analog telephone adapter)
C) DTA (digital telephone adapter)
D) DTA (data telephone adapter)
Q5) Explain why MGCs are especially advantageous on large VoIP networks.
Q6) When streaming videos are supplied via the Web,they are often called
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Chapter 12: Network Security
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Q1) In a ____ attack,a person redirects or captures secure transmissions as they occur.
A) denial-of service
B) man-in-the-middle
C) war driving
D) phishing
Q2) ____________________ is the use of an algorithm to scramble data into a format that can be read only by reversing the algorithm.
Q3) ____ software searches a node for open ports.
A) Phishing
B) Sniffing
C) Authentication
D) Port scanner
Q4) A(n)____________________ is a thorough examination of each aspect of the network to determine how it might be compromised.
Q5) A security policy should state exactly which hardware,software,architecture,or protocols will be used to ensure security.
A)True
B)False
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Page 15
Chapter 13: Troubleshooting Network Problems
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Q1) A ____ can generate traffic in an attempt to reproduce a network problem and monitor multiple network segments simultaneously.
A) multimeter
B) cable performance tester
C) network monitor
D) protocol analyzer
Q2) ____ are frames that are not actually data frames,but aberrations caused by a device misinterpreting stray voltage on the wire.
A) Jabbers
B) Ghosts
C) Giants
D) Runts
Q3) List eight questions to ask to help identify network problem symptoms that are not immediately obvious.
Q4) Continuity testers can test only copper cable.
A)True
B)False
Q5) Collects data about power quality.
Q6) Describe what a voltage event recorder is and explain how it works.
Page 16
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Chapter 14: Ensuring Integrity and Availability
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Q1) Power that is free from noise is called "____" power.
A) clear
B) clean
C) filtered
D) white
Q2) A(n)____ virus disguises itself as a legitimate program to prevent detection.
A) stealth
B) encrypted
C) time dependent
D) polymorphic
Q3) A(n)____ UPS uses the A/C power from the wall outlet to continuously charge its battery,while providing power to a network device through its battery.
A) standby
B) offline
C) offsite
D) online
Q4) Protection against harmful code involves more than just installing anti-malware software.
A)True
B)False
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Chapter 15: Network Management
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Q1) Part of the TCP/IP suite of protocols and typically runs over UDP on port 161.
Q2) A ____ is a correction,improvement,or enhancement to a particular piece of a software application.
A) revision
B) change
C) patch
D) software upgrade
Q3) Explain how to gather baseline data on a network.
Q4) ____ upgrades represent modifications to all or part of an application that are designed to enhance functionality or fix problems related to software.
A) Principle
B) Application
C) Patch
D) Full
Q5) A patch is a replacement for an entire software package.
A)True
B)False
Q6) List six characteristics software running on network devices may use to prioritize traffic.
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