Applied Networking
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Course Introduction
Applied Networking explores the practical aspects of designing, implementing, managing, and troubleshooting computer networks. Through hands-on labs and real-world scenarios, students gain experience with network protocols, infrastructure components, security measures, and performance optimization. The course emphasizes understanding wired and wireless network architectures, IP addressing, subnetting, routing, and switching, as well as critical concepts such as network virtualization and cloud connectivity. By the end of the course, students develop the skills necessary to support robust and scalable network environments in diverse organizational contexts.
Recommended Textbook
CWNA Guide to Wireless LANs Networking 2nd Edition by Mark Ciampa
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12 Chapters
504 Verified Questions
504 Flashcards
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Page 2
Chapter 1: Its a Wireless World
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) ____ give team-based workers the ability to access the network resources that they need while collaborating in a team environment.
A) Barcodes
B) RFIDs
C) Video pills
D) WLANs
Answer: D
Q2) ____ is a low-power wireless data and voice transmission technology.
A) Bluetooth
B) AP
C) WAP
D) Wi-Fi
Answer: A
Q3) A WAP cell phone runs a tiny browser program called a microbrowser that uses Wireless Markup Language (WML) instead of HTML.
A)True
B)False
Answer: True
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Chapter 2: Wireless LAN Devices and Standards
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41 Flashcards
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Sample Questions
Q1) Describe infrared transmissions as they are used for wireless networks. Answer: All the different types of light that travel from the sun to the earth make up what is called the light spectrum. Visible light is just a small part of that entire spectrum. Some of the other energies of the spectrum such as x-rays, ultraviolet rays, and microwaves are invisible to the human eye. Infrared light, which is also invisible, can actually be used for wireless transmissions. Infrared transmissions can send data by the intensity of the infrared light wave instead of "on-off " signals of, for example, a flashlight. To transmit a "1" an emitter (a device that transmits a signal) increases the intensity of the current and sends a "pulse" using infrared light. On the receiving end a detector (a device that receives a signal) senses the higher intensity pulse of light and produces a corresponding electrical current.
Q2) Most industry experts recommend one access point for no more than ____ users if they are performing basic e-mail, light Web surfing, and occasionally transferring medium-sized files.
A) 10
B) 30
C) 50
D) 100
Answer: C
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Chapter 3: How Wireless Works
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) The term ____ describes the rate of electrical flow.
A) voltage
B) current
C) resistance
D) electrical power
Answer: B
Q2) A basic rule of thumb is that each 6 dB increase in EIRP results in a quadrupling of the transmission range (distance from the antenna), and a 6 dB reduction in EIRP translates into reducing the range by four
A)True
B)False
Answer: False
Q3) Why is it important to understand how wireless technology works?
Answer: Knowing how wireless works can become an important tool in troubleshooting a WLAN that is not functioning correctly. Although access points (APs) are no longer expensive items to purchase, often the problem with a wireless network does not lie with the equipment but instead with the signal that is being transmitted and obstructions to that signal. Knowing how a wireless signal is transmitted can help in isolating and correcting problems.
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Chapter 4: IEEE 80211 Physical Layer Standards
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41 Flashcards
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Sample Questions
Q1) How does OFDM work?
A) signals are broken up and the parts are sent in parallel
B) the same signal is sent on multiple channels
C) one signal is sent twice on the same channel
D) a signal is sent over a wired network at the same time as the wireless network
Q2) According to FCC regulations, all FHSS systems in the 900 MHz band must change frequencies through 50 channels and cannot spend more than ____ on one frequency each 20 seconds.
A) 20 milliseconds
B) 30 milliseconds
C) 400 milliseconds
D) 1 second
Q3) What are disadvantages of the 802.11g standard?
Q4) In FHSS, the amount of time needed to move from one frequency to another is the ____ time.
A) dwell
B) switch
C) lift
D) hop
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Chapter 5: IEEE 80211 Media Access Control and Network
Layer Standards
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Sample Questions
Q1) The 802.11 standard provides an option that can be used when collisions occur due to a hidden node. That option is known as ____.
A) virtual node detection
B) node collision protocol
C) virtual carrier sensing
D) hidden node detection
Q2) CSMA/CA eliminates the possibility of collisions.
A)True
B)False
Q3) A home agent is a forwarding mechanism that keeps track of where the mobile computer is located.
A)True
B)False
Q4) When an AP accepts or rejects a wireless device it sends a(n) ____ frame.
A) association request
B) association response
C) disassociation
D) reassociation
Q5) Describe Mobile IP.
Q6) Describe power management for an ad hoc configuration. Page 7
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Page 8
Chapter 6: Planning and Deploying a Wireless LAN
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Sample Questions
Q1) What is the final step in the wireless LAN model developed by Intel Corporation?
Q2) Two adjacent access points that use the same ____ can cause interference and lost frames.
A) station
B) channel
C) hotspot
D) ESS
Q3) What are some suggestions for preparing the help desk to deal with a wireless LAN deployment?
Q4) List and describe two soft benefits of WLANs.
Q5) Establishing and staffing an internal help desk is one of the most effective means of support.
A)True
B)False
Q6) List the seven different deployment scenarios for WLANs.
Q7) ____________________ is a standard measure of the profitability of a project.
Q8) Early adopters of wireless LANs were sometimes called "racehorses".
A)True
B)False
Q9) What are thin access points? Describe some of the benefits of using them. Page 9
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Page 10
Chapter 7: Conducting a Site Survey
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Sample Questions
Q1) The industry-standard form for site survey documentation is IEEE 802.11D.
A)True
B)False
Q2) What type of AP antenna is most commonly used in a site survey?
A) omnidirectional
B) semi-directional
C) highly-directional
D) parabolic
Q3) A(n) ____________________ transmission means that a frame is sent from one sender to multiple receivers with a single "transmit" operation.
Q4) When is the best time to perform a site survey?
A) quarterly
B) monthly
C) daily
D) prior to installing a WLAN
Q5) What is a requirement for an access point used in a site survey?
A) built-in battery
B) external antenna connectors
C) fixed power levels
D) All of the above
11
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Chapter 8: Wireless LAN Security and Vulnerabilities
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Sample Questions
Q1) What is a cracker?
Q2) Wireless DoS attacks are exactly the same as wired DoS attacks.
A)True
B)False
Q3) In a(n) ____________________ attack, an attacker attempts to create every possible key combination by using a program to systematically change one character at a time in a possible default key, and then using each newly generated key to decrypt a message.
Q4) Briefly describe cryptography and discuss its history.
Q5) A ____ is not malicious but often seeks to expose security flaws.
A) cracker
B) script kiddie
C) spy
D) hacker
Q6) MAC address filtering ____.
A) is difficult to implement
B) requires pre-approved authentication
C) is expensive
D) does not work well
Q7) Describe the five steps in the process of WEP encryption.
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Chapter 9: Implementing Wireless Lan Security
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Sample Questions
Q1) Describe pre-shared key authentication.
Q2) The ____________________ security model is designed for single users or small office home office (SOHO) settings of generally 10 or fewer wireless devices.
Q3) What authentication system did the proposed WEP2 standard use?
A) Kerberos
B) AES-CCMP
C) dynamic WEP
D) key caching
Q4) Within the IEEE 802.1x standard, ____ ensures that a device (wired or wireless) that requests access to the network is prevented from receiving any traffic until its identity can be verified.
A) an access control list
B) port security
C) port scanning
D) port blocking
Q5) A virtual private network (VPN) uses a public, unsecured network as if it were a private, secured network.
A)True
B)False
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Chapter 10: Managing a Wireless LAN
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Sample Questions
Q1) A wireless network is a static system.
A)True
B)False
Q2) In order to use SNMP, a software ____________________ is loaded onto each network device that will be managed using SNMP.
Q3) ____________________ is software that is embedded into hardware to control the device.
Q4) What is the last step in RF site tuning?
A) adjust channel settings
B) documenting changes
C) modify throughput
D) validate coverage area
Q5) What are the factors that should be considered in determining the relative value of assets?
Q6) Antenna adjustment may require the existing antennas to be reoriented or placed on a pole or mast for better transmission and reception.
A)True
B)False
Q7) Describe a sectorized antenna.
Page 14
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Chapter 11: Network Settings and Wireless LAN
Troubleshooting
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Sample Questions
Q1) How would you solve a near/far transmission problem?
Q2) In Mobile IP what are the home and foreign agents?
Q3) The ____________________ access point uses a subnet map to keep track of the home agent information for all visiting client devices.
Q4) What are some of the factors that influence system throughput?
Q5) When enabling Ethernet Timeout, the value in the Seconds field is generally set to between 30 and ____.
A) 40
B) 60
C) 90
D) 255
Q6) In Mobile IP, the ____ agent is a router, firewall, or gateway on the visiting client's home network that serves as the anchor point for communication with the access point and the visiting client.
A) home
B) foreign
C) visiting
D) access point
15
Q7) What are the three different frame formats?
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Chapter 12: Personal, Metropolitan, and Wide Area Wireless
Networks
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Sample Questions
Q1) Mode ____ of IEEE 802.15.3 provides protection using digital certificates.
A) 0
B) 1
C) 2
D) 3
Q2) What type of wireless network is used for portable or stationary devices that are within 107 meters (350 feet) of each other or a centrally located access point?
A) WPAN
B) WLAN
C) WMAN
D) WWAN
Q3) In a piconet, one device is the ____, and controls all of the wireless traffic.
A) active slave
B) slave
C) master
D) controller
Q4) In a cellular telephone network all of the transmitters and cell phones operate at a(n) ____________________ power level.
Q5) What are the two different types of RFID tags?
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