Introduction to Networking Final Exam
Course Introduction
Introduction to Networking provides students with a foundational understanding of the principles, technologies, and protocols that enable computers and devices to communicate over local and wide area networks. The course covers essential topics such as network topologies, the OSI and TCP/IP models, IP addressing and subnetting, Ethernet, wireless networking, basic routing and switching concepts, and network security fundamentals. Through lectures, hands-on labs, and real-world scenarios, students will develop the skills to design, implement, and troubleshoot simple network environments, preparing them for further study and industry certifications in the field of computer networking.
Recommended Textbook Network+ Guide to Networks 5th Edition by Tamara Dean
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Chapter 1: An Introduction to Networking
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Q1) The device inside a computer that connects a computer to the network media.
Answer: A
Q2) A personal computer which may or may not be connected to a network.
Answer: E
Q3) Which certification requires candidates to pass lab exams?
A) Cisco CCIE
B) CompTIA A+
C) CompTIA Network+
D) Microsoft MCSE
Answer: A
Q4) A ____ network is confined to a relatively small space.
A) NAN
B) MAN
C) WAN
D) LAN
Answer: D
Q5) A(n)____________________ is a computer that is not connected to other computers and that uses software applications and data stored on its local disks.
Answer: stand-alone computer
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Chapter 2: Network Standards and the OSI Model
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Q1) ____________________ protocols establish a connection with another node before they begin transmitting data.
Answer: Connection oriented
Q2) 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.
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.
Q4) Coordinates and maintains communications between two nodes on the network.
Answer: F
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Page 4
Chapter 3: Transmission Basics and Networking Media
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Q1) ____ is a technology used with fiber-optic cable,which enables one fiber-optic connection to carry multiple light signals simultaneously.
A) Statistical multiplexing
B) WDM (wavelength division multiplexing)
C) TDM (time division multiplexing)
D) FDM (frequency division multiplexing)
Answer: B
Q2) The data transmission characteristic most frequently discussed and analyzed by networking professionals is ____.
A) noise
B) scalability
C) throughput
D) cost
Answer: C
Q3) The use of 1s and 0s to represent information is characteristic of a(n)____________________ system.
Answer: binary
Q4) Every pulse in a digital signal.
Answer: A
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Chapter 4: Introduction to TCP/IP Protocols
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Q1) The local host name plus its domain name.
Q2) The subprotocol that enables TCP/IP to internetwork - that is,to traverse more than one LAN segment and more than one type of network through a router is ____.
A) TCP
B) ICMP
C) UDP
D) IP
Q3) In IPv4 addressing,each IP address is a unique ____ number.
A) 12-bit
B) 32-bit
C) 64-bit
D) 128-bit
Q4) Describe the DHCP leasing process.
Q5) Ports ranging from 1024 to 49151; accessible to network users and processes that do not have special administrative privileges.
Q6) Any hosts on the Internet that need to look up domain name information.
Q7) In IPv4 addressing,explain what is special about an address containing 127 in the first octet and how this address is used in troubleshooting.
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Chapter 5: Topologies and Ethernet Standards
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Q1) Most Ethernet networks are based on the star topology.
A)True
B)False
Q2) The smallest LANs do not have a backbone.
A)True
B)False
Q3) IEEE standard for fiber-optic Ethernet networks transmitting data at 100 Mbps.
Q4) A network's access method is its method of controlling how network nodes access the communications channel.
A)True
B)False
Q5) Explain how the star-wired bus topology works.Include a description of its drawbacks and benefits.
Q6) ____________________ is a component of a network's logical topology that determines how connections are created between nodes.
Q7) Explain the 5-4-3 rule of networking.
Q8) Briefly explain how CSMA/CD works.
Q9) Also known as Fast Ethernet.
Q10) IEEE standard for fiber-optic Ethernet networks transmitting data at 1 Gbps.
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Chapter 6: Network Hardware
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Q1) Switches can create ____ by grouping a number of ports into a broadcast domain.
A) trunks
B) spanning trees
C) gateways
D) VLANs
Q2) Bridges are protocol independent.
A)True
B)False
Q3) IBM began developing the FireWire standard in the 1980s.
A)True
B)False
Q4) Describe a distance-vector routing protocol suited to WANs.
Q5) ____ are combinations of networking hardware and software that connect two dissimilar kinds of networks.
A) Routers
B) Switches
C) Gateways
D) Broadcast domains
Q6) Explain why network engineers value VLANs.Include a discussion on reasons for using VLANs.
Page 8
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Chapter 7: WANs and Remote Connectivity
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Q1) WANs typically send data over ____ available communications networks.
A) privately
B) publicly
C) individually
D) serially
Q2) Broadband cable requires many subscribers to share the same local line,thus raising concerns about ____ and actual (versus theoretical)throughput.
A) access
B) costs
C) noise
D) security
Q3) The individual geographic locations connected by a WAN are known as ____.
A) WAN sites
B) WAN links
C) network service providers
D) central offices
Q4) Occurs when data travels from the carrier's switching facility to the customer.
Q5) ____________________ is the remote virtual computing software that comes with Windows client and server operating systems.
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Chapter 8: Wireless Networking
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Q1) LEO satellites orbit the Earth with an altitude as low as ____ miles.
A) 100
B) 1240
C) 6,000
D) 22,300
Q2) The ______________________________ is a unique character string used to identify an access point.
Q3) ____ is an 802.11n feature that allows two adjacent 20-MHz channels to be combined to make a 40-MHz channel.
A) Channel bonding
B) Channel aggregation
C) Frame aggregation
D) Frame bonding
Q4) A directional antenna issues wireless signals along a(n)____ direction.
A) open
B) narrow
C) wide
D) single
Q5) Accepts wireless signals from multiple nodes and retransmits them to the rest of the network.
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Chapter 9: Network Operating Systems
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Q1) A piece of software called ____ translates requests and responses between a client and a server.
A) kernel module
B) shell
C) middleware
D) firmware
Q2) ____________________ is the execution of multiple tasks at one time.
Q3) In every NOS,groups form the basis for resource and account management.
A)True
B)False
Q4) 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
Q5) In UNIX,you combine commands using a pipe,which is entered as a forward slash ( / ).
A)True
B)False
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Chapter 10: In-Depth TCP/IP Networking
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Q1) In ____ addressing,only Class A,Class B,and Class C addresses are recognized.
A) classful
B) subnet
C) stateful
D) limited
Q2) Useful only on networks that run Windows-based operating systems and NetBIOS.
Q3) Explain why SNAT is considered static and describe why it useful.
Q4) _____________________________________________ is a standard for encoding and interpreting binary files,images,video,and non-ASCII character sets within an e-mail message.
Q5) Explain how to calculate a host's network ID given its IPv4 address and subnet mask.
Q6) The combination of additional bits used for subnet information plus the existing network ID is known as the _________________________.
Q7) In classful addressing,Class C IPv4 address host information is located in the ____.
A) last 8 bits
B) last 16 bits
C) first 8 bits
D) first 16 bits
Page 12
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Chapter 11: Voice and Video Over IP
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Q1) ____ is preferred over TCP for real-time applications such as telephone conversations and videoconferencing.
A) RTP
B) UDP
C) RTCP
D) SIP
Q2) An off-the-shelf workstation can be programmed to act like an IP telephone.
A)True
B)False
Q3) SIP and H.323 account for communication between media gateways.
A)True
B)False
Q4) Using VoIP over a WAN allows an organization to avoid paying long-distance telephone charges,a benefit known as ____.
A) charge bypass
B) distance bypass
C) toll bypass
D) easypass
Q5) 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 a social engineering practice in which a person attempts to glean access or authentication information by posing as someone who needs that information.
A) Cracking
B) Hacking
C) War driving
D) Phishing
Q3) An NOS that contains a "back door"is an example of a risk associated with ____.
A) people
B) transmission and hardware
C) protocols and software
D) Internet access
Q4) Describe one potential flaw in CHAP and MS-CHAP authentication and explain how it is resolved.
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Chapter 13: Troubleshooting Network Problems
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Q1) Instrument that checks whether a cable is conducting current.
Q2) Captures traffic and analyzes frames.
Q3) Used to verify the location of a wire termination.
Q4) ____ is the telltale factor for ascertaining where faults in a cable lie.
A) Resistance
B) Impedance
C) Voltage
D) Current
Q5) A____ is a small electronic device that issues a signal on a wire pair.
A) tone locator
B) probe kit
C) tone generator
D) probe
Q6) ____ is one of the most important aspects to consider when looking at how a problem solution might affect users and network functionality.
A) Cost
B) Scope
C) Scalability
D) Security
Q7) Collects data about power quality.
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Chapter 14: Ensuring Integrity and Availability
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Q1) ____ is an automatic distribution of traffic over multiple links or processors to optimize response.
A) Redundancy
B) Failover
C) RAID
D) Load balancing
Q2) A(n)____________________ is a copy of data or program files created for archiving or safekeeping.
Q3) A ____ is a program that runs automatically,without requiring a person to start or stop it.
A) virus
B) worm
C) bot
D) Trojan horse
Q4) Describe the key to fault tolerance in network design.Provide examples of fault tolerant topologies.
Q5) 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) ____ management is the collection,storage,and assessment of information related to the versions of software installed on every network device and every device's hardware configuration.
A) Change
B) Performance
C) Asset
D) Configuration
Q2) A(n)____ is a graphical representation of a network's devices and connections.
A) Multi Router Traffic Grapher
B) network diagram
C) wiring schematic
D) event viewer
Q3) Stores results from devices monitoring conditions in Windows-based networks.
Q4) Describes a flaw in a software application that causes some part of the application to malfunction.
Q5) A(n)____ is a graphical representation of a network's wired infrastructure.
A) Multi Router Traffic Grapher
B) network diagram
C) wiring schematic
D) event viewer
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