Network Design and Implementation
Exam Materials
Course Introduction
Network Design and Implementation is a course that introduces students to the principles, methodologies, and tools involved in planning, designing, and deploying computer networks. The curriculum covers fundamental topics such as network topologies, protocols, and architectures, as well as advanced concepts like scalability, security, redundancy, and performance optimization. Students learn to analyze organizational requirements, create detailed network diagrams, select appropriate hardware and software, and develop comprehensive implementation plans. Through practical labs and real-world scenarios, students gain hands-on experience configuring networking devices, troubleshooting connectivity issues, and ensuring that network solutions meet specified business needs.
Recommended Textbook
Network+ Guide to Networks 7th Edition by Jill West
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Chapter 1: Introduction to Networking
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Sample Questions
Q1) Describe how the Transmission Control Protocol (TCP)and User Datagram Protocol (UDP)differ from each other,and provide examples of where each might be used.
Answer: The Transmission Control Protocol (TCP)makes a connection with the end host,checkswhether the data is received,and resends it if it is not.TCP is,therefore,called aconnection-oriented protocol.TCP is used by applications such as Web browsers andemail.Guaranteed delivery takes longer and is used when it is important to know thatthe data reached its destination.The User Datagram Protocol (UDP)does not guarantee delivery by first connecting andchecking whether data is received; thus,UDP is called a connectionless protocol orbest-effort protocol.UDP is used for broadcasting,such as streaming video or audioover the Web,where guaranteed delivery is not as important as fast transmission.UDPis also used to monitor network traffic.
Q2) The smallest network is a ______________________,which is a network of personal devices,such as the network you use when you sync your cell phone and your computer.
Answer: PAN (Personal Area Network)
Q3) The Network layer header identifies sending and receiving hosts by their _________________.
Answer: IP addresses
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3
Chapter 2: How Computers Find Each Other on Networks
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Sample Questions
Q1) Which protocol below is used to make an initial connection between hosts for transferring multimedia data,relying on other protocols once a connection is established?
A)SMB
B)SIP
C)H.323
D)NTP
Answer: B
Q2) What two ipconfig commands below are used to show DNS resolver cache information and clear the name resolver cache?
A)ipconfig /releasedns
B)ipconfig /alldns
C)ipconfig /displaydns
D)ipconfig /flushdns
Answer: C,D
Q3) NetBIOS applications should be replaced as they are out-of-date.
A)True
B)False
Answer: True
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Page 4
Chapter 3: How Data Is Transported Over Networks
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Sample Questions
Q1) The receiving host de-encapsulates the message at each layer in _______ order and then presents the payload to the receiving application.
Answer: reverse
Q2) UDP provides error checking,but not sequencing.
A)True
B)False
Answer: False
Q3) What type of routing protocol enables routers to communicate beyond neighboring routers,allowing each router to create a map of an entire network?
A)distance vector
B)link state
C)exterior gateway
D)map extension
Answer: B
Q4) ___'s lack of sophistication makes it more efficient thanTCP.
Answer: UDP
Q5) The TCP ___________________ is performed before TCP transmits the actual data.
Answer: Three-way handshake
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Chapter 4: Structured Cabling and Networking Elements
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Sample Questions
Q1) Explain how equipment should be configured in a rack to best optimize airflow and temperature.
Q2) Select the maximum allowable distances for horizontal wiring for a span that connects a data jack on a wall to a data closet,and for a span that connects a workstation to the data jack,respectively:
A)100 m
B)90 m
C)10 m
D)5 m
Q3) A power fluctuation that results in a temporary dimming of lights is known as a blackout.
A)True
B)False
Q4) Describe the differences between a brownout and a blackout.
Q5) What is the maximum allowable distance for horizontal wiring?
A)100 ft
B)100 m
C)90 m
D)90 ft
Q6) Explain the difference between an inverter and a rectifier.
Page 6
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Chapter 5: Network Cabling
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Sample Questions
Q1) The distance between corresponding points on awave's cycle,expressed in meters or feet.
A)1000Base-LX
B)1000Base-TX
C)ASCII
D)Cat (category)
E)DWDM (Dense Wavelength Division Multiplexing)
F)far end cross-talk (FEXT)
G)multiplexing
H)short circuit
I)throughput
J)wavelength
Q2) The number of times that a wave's amplitude cycles from its starting point,through its highest amplitude and its lowest amplitude,and back to its starting point over a fixed period of time,is known as what term below?
A)amplitude
B)frequency
C)wavelength
D)phase
Q3) Define how phase affects an analog signal.
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Chapter 6: Wireless Networking
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Sample Questions
Q1) The throughput experienced at the applicationlevel,such as the quality of a video feed or the speed of aWeb page loading in the browser.
A)active scanning
B)bluesnarfing
C)data frame
D)diffraction
E)goodput
F)omnidirectional antenna
G)unidirectional antenna
H)war chalking
I)war driving
J)WPS attack
Q2) Describe the hidden node problem,and explain how it can be mitigated.
Q3) Provide information on fading,and describe the different effects that fading can have on wireless transmissions.
Q4) The WPS PIN is vulnerable to brute force attacks.
A)True
B)False
Q5) Elaborate on the three different types of wireless network topologies.
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Chapter 7: Cloud Computing and Remote Access
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Sample Questions
Q1) What protocol below only provides the framework for authenticating clients and servers,but relies on other encryption and authentication schemes to verify the credentials of clients or servers?
A)MS-CHAP
B)MS-CHAPv2
C)EAP
D)TKIP
Q2) When using public and private keys to connect to an SSH server,where must your public key be placed before you can connect?
A)In an authorization file under your home directory on your computer.
B)In an authorization file on the host where the SSH server is.
C)In the /etc/ssh/keys folder.
D)In the /var/run/ssh/public folder.
Q3) Which of the following is NOT an encryption algorithmused by SSH?
A)SHA-2
B)DES
C)RSA
D)Kerberos
Q4) Describe the three way handshake process as used by CHAP.
Q5) When PPP is used over an Ethernet network,it is known as ________________.
Page 9
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Chapter 8: Network Risk Management
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Sample Questions
Q1) A firewall typically involves a combination of hardware and software.
A)True
B)False
Q2) A type ofintrusion detection that runs on a single computer,such as aclient or server,to alert about attacks against that one host.
A)acceptable use policy (AUP)
B)backdoor
C)HIDS (host-based intrusion detection system)
D)HIPS (host-based intrusion prevention system)
E)NIDS (network-based intrusion detection system)
F)proxy service
G)smurf attack
H)TEMPEST
I)virus
J)worm
Q3) Describe a boot sector virus.
Q4) Different types of organizations have similar levels of network security risks.
A)True
B)False
Q5) Describe two different implementations of IDS that can be deployed on a network.
Page 10
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Chapter 9: Unified Communications and Network Performance Management
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Sample Questions
Q1) __________________ is the detection and signaling of device,link,or component faults.
Q2) SNMP messages can be secured with ________,in which case agents receive requests on port UDP 10161,and the NMS receives responses and traps on UDP 10162.
Q3) A software-based tool that monitors trafficon the network from a server or workstation attached to thenetwork.It can typically interpret up toLayer 3 of the OSI model.
A)AF (Assured Forwarding)
B)CALEA (Communications Assistance for Law Enforcement Act)
C)network monitor
D)EF (Expedited Forwarding)
E)load balancing
F)NIC teaming
G)PSTN (Public Switched Telephone Network)
H)SS7 (Signaling System 7)
I)time-shifted video
J)Webcast
Q4) What is the Health Insurance Portability and Accountability Act (HIPAA)?
Q5) Provide detail on the three different versions of SNMP.
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Chapter 10: Network Segmentation and Virtualization
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Q1) Cisco's proprietarystandard,similar to VRRP,that assigns a virtual IP address toa group of routers.At first,messages routed to the virtual IPaddress are handled by the active router.If the active routerfails,standby routers stand in line to take over responsibilityfor the virtual IP address.
A)access port
B)BPDU filter
C)CIDR block
D)HSRP (Hot Standby Routing Protocol)
E)native VLAN
F)software defined networking (SDN)
G)trunk port
H)virtual server
I)VLAN hopping attack
J)VRRP (Virtual Router Redundancy Protocol)
Q2) The Spanning Tree Protocol stipulates that on any bridge,only one root port,which is the bridge's port that is closest to the root bridge,can forward frames toward the root bridge.
A)True
B)False
Q3) What is the difference between a default VLAN and a native VLAN?
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Chapter 11: Wide Area Networks
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Sample Questions
Q1) A MAN connection is also known as which two terms below?
A)Ethernet MAN
B)Metro Ethernet
C)Carrier Ethernet
D)Packet MAN
Q2) The customer's endpoint device on the WAN is called the
Q3) The best 802.11n signal can travel approximately how far?
A)1 mile
B)1/2 mile
C)1/4 mile
D)300 feet
Q4) What is the maximum throughput of a DS3 connection?
A)1.544
B)3.152
C)44.736
D)274.176
Q5) T-1 cables cannot utilize straight through cables using the same wiring scheme as LAN patch cables.
A)True
B)False
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Chapter 12: Industrial and Enterprise Networking
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Sample Questions
Q1) A magnetic hard drive eraser.
A)acquisitions server
B)biorecognition access
C)degausser
D)Faraday cage
E)human-machine interfaces (HMI)
F)master terminal unit (MTU)
G)prox card
H)smart card
I)SOW (statement of work)
J)telemetry
Q2) The time period in which a change can be implemented is known as what option below?
A)change period
B)maintenance window
C)work order time
D)service affecting work interval
Q3) What should be in a disaster recovery plan that relates to computers?
Q4) Explain what an RFP is.
Q5) The goal of a disaster recovery plan is to ensure ______________.
Page 14
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