Network Administration
Final Exam
Course Introduction
Network Administration is a comprehensive course designed to introduce students to the fundamental concepts and practical skills required to manage and maintain computer networks in modern organizations. The course covers essential topics such as network architecture, protocols, and services, as well as configuration and troubleshooting of network devices including switches, routers, and firewalls. Students will gain hands-on experience with network operating systems, user and rights management, security measures, and network performance optimization. By the end of the course, participants will have a strong foundation in network administration practices, enabling them to support and secure efficient network operations.
Recommended Textbook
CWNA Guide to Wireless LANs Networking 2nd Edition by Mark Ciampa
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12 Chapters
504 Verified Questions
504 Flashcards
Source URL: https://quizplus.com/study-set/1032 Page 2
Chapter 1: Its a Wireless World
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41 Verified Questions
41 Flashcards
Source URL: https://quizplus.com/quiz/20462
Sample Questions
Q1) ____ is a low-power wireless data and voice transmission technology.
A) Bluetooth
B) AP
C) WAP
D) Wi-Fi
Answer: A
Q2) What type of device is used for communication in a fixed broadband wireless network?
A) antenna
B) cable
C) electrical wiring
D) handheld
Answer: A
Q3) ____ 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
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Chapter 2: Wireless LAN Devices and Standards
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) Access points are typically mounted on a(n) ____________________ to reduce interference from surrounding objects.
Answer: ceiling
Q2) The radio frequency spectrum is divided into ____ different sections or bands.
A) 300
B) 450
C) 900
D) 1200
Answer: B
Q3) An access point has a(n) ____ wired network interface that allows it to connect by cable to a standard wired network.
A) IEEE 802
B) RJ-45
C) compact flash
D) PCI
Answer: B
Q4) ____________________ bands are in effect bands of the radio spectrum that are available nationwide to all users, without requiring a license.
Answer: Unregulated
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Chapter 3: How Wireless Works
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41 Verified Questions
41 Flashcards
Source URL: https://quizplus.com/quiz/20464
Sample Questions
Q1) ____________________ is defined as the positive difference in amplitude between two signals.
Answer: Gain
Q2) Which of the following units is used to measure frequency?
A) decibel
B) volt
C) hertz
D) byte
Answer: C
Q3) A(n) ____________________ signal has numerous starts and stops throughout the signal stream.
Answer: digital
Q4) 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
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Page 5
Chapter 4: IEEE 80211 Physical Layer Standards
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) Into which layers are WLAN features isolated by IEEE standards?
A) PHY and PMD
B) MAX and PLCP
C) PHY and MAC
D) PMD and PLCP
Q2) When using the Shared Wireless Access Protocol, devices can be as far as 45 meters (150 feet) apart and can send and receive data at rates up to ____ Mbps.
A) 2
B) 5
C) 10
D) 14
Q3) What is a disadvantage of narrowband transmissions?
A) requires a complicated algorithm
B) not well regulated
C) expensive to implement
D) interference from another radio signal
Q4) How does OFDM avoid problems caused by multipath distortion?
Q5) The amount of time that a transmission occurs on a specific frequency is called the ____________________ time.
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Chapter 5: IEEE 80211 Media Access Control and Network Layer Standards
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) When a laptop, either in ad hoc or infrastructure mode, is connected to a standard alternating current (AC) plug for power it is in ____________________ mode and remains in communication with the AP or other wireless devices.
Q2) What is the first step in shared key authentication?
A) AP encrypts challenge text and sends it to wireless device
B) wireless device encrypts challenge text and sends it to AP
C) AP sends wireless device an authentication frame that contains a block of text known as the challenge text
D) wireless device sends an authentication frame to the AP
Q3) What is a management frame? What are the fields in this type of frame?
Q4) Describe the three interframe spaces (IFS) defined in the 802.11 standard.
Q5) A(n) ____________________ Service Set is a wireless network that does not use an access point.
Q6) ____ effectively prevents collisions because every device must wait until it receives permission before it can transmit.
A) CSMA/CD
B) CSMA/CA
C) Polling
D) Fragmentation
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Chapter 6: Planning and Deploying a Wireless LAN
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) When determining which standard to use, if there are other devices in the immediate area that use the 2.4GHz wireless spectrum, such as portable telephones and microwave ovens then the ____ standard, which uses the 5 GHz wireless spectrum, might be the best solution.
A) 802.11a
B) 802.11b
C) 802.11g
D) 802.11 pre-N
Q2) When considering the number of users who will be associated with an access point, it is only necessary to count the number of users, not the type of work they do.
A)True
B)False
Q3) ____ is considered a hard benefit.
A) Cost reduction
B) Productivity
C) Faster responsiveness
D) Improved employee satisfaction
Q4) The basic steps in planning include assessing needs, weighing the benefits, and calculating the ____________________.
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Chapter 7: Conducting a Site Survey
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41 Flashcards
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Sample Questions
Q1) What type of AP antenna is most commonly used in a site survey?
A) omnidirectional
B) semi-directional
C) highly-directional
D) parabolic
Q2) How is RF information actually (physically) collected?
Q3) What affects transmission range?
A) distance only
B) objects in path only
C) distance and objects in path
D) wireless protocol
Q4) In addition to access points, what wireless tool(s) are required for a site survey?
Q5) In a site survey analyzer, vendors use an algorithm or a lookup table to convert ____ values to dBm, mW, or signal strength percentage.
A) GHz
B) MAC
C) RSSI
D) RFID
Q6) What special considerations exist for outdoor site surveys?
Page 9
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Chapter 8: Wireless LAN Security and Vulnerabilities
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) Describe a man-in-the-middle attack.
Q2) Describe one trend that is making security increasingly difficult.
Q3) ____ was initially founded by the U.S. Department of Defense and is now part of the Software Engineering Institute at Carnegie Mellon University.
A) Computer Emergency Response Team Coordination Center (CERT/CC)
B) InfraGard
C) National Security Institute (NSI)
D) SysAdmin, Audit, Network, Security (SANS) Institute
Q4) MAC address filtering is vulnerable because there are programs available that allow users to ____ a MAC address.
A) spoof
B) break
C) modify
D) disable
Q5) Which aspect of information security does WEP protect?
A) availability
B) integrity
C) confidentiality
D) All of the above
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Chapter 9: Implementing Wireless Lan Security
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) ____ was designed to address WEP vulnerabilities with a minimum of inconvenience.
A) IEEE 802.11i
B) TGi
C) dynamic WEP
D) WPA
Q2) Describe Kerberos.
Q3) What authentication system did the proposed WEP2 standard use?
A) Kerberos
B) AES-CCMP
C) dynamic WEP
D) key caching
Q4) A network supporting the 802.1x standard consists of three elements. Identify and describe each one.
Q5) ____________________ was developed by the Massachusetts Institute of Technology (MIT) and used to verify the identity of network users.
Q6) In WPA, ________________________________________ encryption replaces WEP's small 40-bit encryption key that must be manually entered on wireless APs and devices and does not change.
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Chapter 10: Managing a Wireless LAN
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) When conducting a security audit, ____ should determine vulnerabilities.
A) a highly-paid consultant
B) a wireless system administrator employed by the company
C) a junior administrator
D) a team with diverse backgrounds
Q2) It is important for wireless system administrators to maintain a(n) ____ log that contains a record of all problems, solutions, and configuration changes.
A) manual
B) event
C) network
D) AP
Q3) The current version of SNMP (____) addresses security and remote configuration.
A) v1
B) v2
C) v3
D) v4
Q4) The first step in the security policy cycle is to perform a(n) ____________________, which attempts to determine the nature of the risks to the organization's assets.
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Chapter 11: Network Settings and Wireless LAN
Troubleshooting
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41 Verified Questions
41 Flashcards
Source URL: https://quizplus.com/quiz/20472
Sample Questions
Q1) How would you solve a near/far transmission problem?
Q2) Some computer viruses are known to cause ____.
A) duplicate SSID
B) incorrect MAC addresses
C) WLAN interference
D) intermittent connectivity problems for wireless connections
Q3) What are some of the factors that influence system throughput?
Q4) Describe the LED indicator lights that appear on an AP.
Q5) Enabling the ____________________ stops radio transmissions from the access point for the specified number of seconds if the AP detects no activity on the Ethernet line.
Q6) List some strategies for making IEEE 802.11b/g and Bluetooth devices work together.
Q7) If the wireless device is configured for DHCP yet no DHCP server is active, then Windows assigns a(n) ____________________ IP Addressing address that begins with the IP range 169.254.x.x.
Q8) Describe the issue of duplicate SSIDs and why this may cause a wireless device to intermittently disconnect from the AP.
Page 13
Q9) In Mobile IP what are the home and foreign agents?
Q10) What is the purpose of the Ethernet Timeout setting on an access point?
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Chapter 12: Personal, Metropolitan, and Wide Area Wireless
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41 Verified Questions
41 Flashcards
Source URL: https://quizplus.com/quiz/20473
Sample Questions
Q1) What is the shape of cells in a cellular telephone network?
A) triangle
B) square
C) circle
D) hexagon
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) What is the recommended color for the window in an IrDA device?
A) red
B) amber
C) green
D) violet
Q4) Describe IrDA.
Q5) Describe wireless personal area networks.
Q6) What is a piconet?
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