CSNT 180 Wireless Networking Meeting 6 Norman McEntire norman.mcentire@servin.com Founder, Servin Corporation, http://servin.com Technology Training for Technology Professionals TM Copyright (c) 2010 Servin Corporation. http://servin.com 1
Legal Info Servin is a trademark of Servin Corporation. Copyright (c) 2010 Servin Corporation 2
Opening Remarks Welcome! Thank You! Today's Agenda Return Quiz Textbook Status Check Discussion of Assignment Review of Chapters 1, 2, 3, 4 Quiz Chapter 5 Copyright (c) 2010 Servin Corporation 3
Textbook Status Check By this time next week, make sure you have ACTIVELY READ and STUDIED Chapters 1, 2, 3, 4, and 5. Read/Re-read the Chapters Be Sure To Do The Review Questions Copyright (c) 2010 Servin Corporation 4
Guideposts To Keep In Mind Can't never could You CAN master all this WLAN stuff. Keep focused. Day by day. Week by week. Month by Month. Never give up So what if you miss a question? Big deal. You'll get it sooner or later, because you NEVER GIVE UP! All things are difficult before they are easy ISM, UNII, WAP, etc., etc. etc. --- all this stuff is hard at first. But easy later. Copyright (c) 2010 Servin Corporation 5
Guideposts To Keep In Mind You miss 100% of the shots you don't take Take a shot a reading and re-reading your textbook, every chapter, every page --- master the info! Every single person can earn an A Our world is in urgent need of people with top-notch technical skills, and my passion and focus is to make sure EVERYONE in this class totally and completely masters this course! Everyone! Copyright (c) 2010 Servin Corporation 6
Course Roadmap Summary Certified Wireless Technology Specialist Ch 1. Introduction Ch 2. Wireless LAN Infrastructure Devices Ch 3. Wireless LAN Client Devices Ch 4. Radio Frequency (RF) Fundamentals and Spread Spectrum Technology Ch 5. Access Methods, Architectures, and Spread Spectrum Technology Ch 6. WLAN Antennas and Accessories Copyright (c) 2010 Servin Corporation 7
Course Roadmap Summary Certified Wireless Technology Specialist Ch 7. WLAN Terminology and Technology Ch 8. Planning a WLAN Site Survey Ch 9. Performing a WLAN Site Survey Ch 10. WLAN Security Ch 11. Troubleshooting and Maintaining Wireless Networks Copyright (c) 2010 Servin Corporation 8
Assignment for THIS week Copyright (c) 2010 Servin Corporation 9
Assignment for this Week Read/Study/Review Chapters 1-5 in book As usual, you will have a Quiz at our next meeting that will take questions from all four chapters Pay special attention to Review Questions! Pay special attention to Exam Essentials! Copyright (c) 2010 Servin Corporation 10
Assignment from LAST week Copyright (c) 2010 Servin Corporation 11
Assignment for LAST week Read/Study/Review Chapters 1-5 in book As usual, you will have a Quiz at our next meeting that will take questions from all four chapters Pay special attention to Review Questions! Pay special attention to Exam Essentials! Copyright (c) 2010 Servin Corporation 12
Time for Review Questions! Copyright (c) 2010 Servin Corporation 13
Time for Review Questions! Today I start in the middle of the room from the back Remember the procedure I'll ask you the question If you know the answer, share it with the class If you do not know the answer, just say Pass and I'll call on the next person Copyright (c) 2010 Servin Corporation 14
Review Questions from Chapter 4 Copyright (c) 2010 Servin Corporation 15
What is the term defining the amount of times a cycle of an RF signal will oscillate in one second? A. Phase B. Frequency C. Amplitude D. Wavelength Copyright (c) 2010 Servin Corporation 16
This term defines the amount of shift of two RF signals A. Phase B. Frequency C. Amplitude D. Wavelength Copyright (c) 2010 Servin Corporation 17
This term defines the distance of one cycle of a RF signal A. Phase B. Frequency C. Amplitude D. Wavelength Copyright (c) 2010 Servin Corporation 18
This term defines the height of a RF signal A. Phase B. Frequency C. Amplitude D. Wavelength Copyright (c) 2010 Servin Corporation 19
How many non-overlapping channels are available for 2.4 GHz ISM band A. 1 B. 3 C. 4 D. 11 Copyright (c) 2010 Servin Corporation 20
Select the THREE non-overlapping channels are available for 2.4 GHz ISM band A. 1 B. 3 C. 6 D. 9 E. 11 F. 14 Copyright (c) 2010 Servin Corporation 21
How many total channels are available for 2.4 GHz ISM band (whether or not channels are actually used for a given region of the world) A. 9 B. 11 C. 12 D. 14 Copyright (c) 2010 Servin Corporation 22
The capacity of an AP is dependent on. Choose two best answers. A. Number of users B. Channel reuse C. Frequency D. Application bandwidth requirements Copyright (c) 2010 Servin Corporation 23
When an RF signal passes between mediums of different densities and change speeds and bend, the behavior is: A. Reflection B. Refraction C. Diffusion D. Scattering E. Answer not listed Copyright (c) 2010 Servin Corporation 24
Which are relative measures of RF power. Choose two. A. mw B. db C. dbm D. Watt E. dbi Copyright (c) 2010 Servin Corporation 25
In the 2.4 GHz ISM band, what distance between the center frequencies is required for two channels to be considered non-overlapping for HR/DSSS? A. 5 MHz B. 22 MHz C. 25 MHz D. 30 MHz Copyright (c) 2010 Servin Corporation 26
Which of the following are characteristics of RF signals? A. Amplitude B. Reflection C. Phase D. Refraction E. Diffraction Copyright (c) 2010 Servin Corporation 27
Choose the absolute measures of RF Power. A. Watt B. db C. mw D. dbi E. dbm F. dbd Copyright (c) 2010 Servin Corporation 28
The range of a 2.4 GHz ISM signal is mostly dependent on: A. Frequency B. Wavelength C. Amplitude D. Phase Copyright (c) 2010 Servin Corporation 29
The width of a 802.11b channel is: A. 5 MHz B. 22 MHz C. 25 MHz D. 30 MHz Copyright (c) 2010 Servin Corporation 30
When an RF signal bounces off a smooth nonabsorptive surface, the behavior is: A. Refraction B. Reflection C. Diffraction D. Scattering Copyright (c) 2010 Servin Corporation 31
When an RF signal bends around an obstacle such as a building or a column, the behavior is: A. Refraction B. Reflection C. Diffraction D. Scattering Copyright (c) 2010 Servin Corporation 32
Review Questions from Chapter 3 Copyright (c) 2010 Servin Corporation 33
If a desktop PC does NOT have a WLAN client device installed, but it DOES have a Ethernet connector, then one option is to use a to connect to a wireless network A. Wireless WPS B. Wireless Access Point C. Wireless Workgroup Bridge D. Answer not listed Copyright (c) 2010 Servin Corporation 34
Select all features that may be included in a Wireless Workgroup Bridge A. IEEE 802.3 B. IEEE 802.11 C. Wi-Fi Certifications D. PoE E. MAC Filtering Copyright (c) 2010 Servin Corporation 35
Select all external WLAN client devices: A. PCI B. Mini-PCI C. PCIe D. SDIO E. USB F. CompactFlash G. ExpressCard Copyright (c) 2010 Servin Corporation 36
Select TWO of the following that are the oldest technology A. PCI B. PCMCIA C. USB D. PC Card E. ExpressCard F. WPS G. WPA Copyright (c) 2010 Servin Corporation 37
A WLAN client device requires a, which is low-level software that interfaces the hardware to the operating system A. Setup Wizard B. Installation Program C. Device Driver D. Answer not listed Copyright (c) 2010 Servin Corporation 38
When using a WLAN client Setup Wizard and/or Installation Program, you must enter the following info: A. SSID B. MAC Address C. IP Address D. IEEE 802.3 ID F. Answer not listed Copyright (c) 2010 Servin Corporation 39
Which of the following are security choices when configuring a WLAN client device? A. WEP B. WEP 2.0 C. WPA D. WPA 2.0 E. Answer not listed Copyright (c) 2010 Servin Corporation 40
ExpressCard replaced which of the following (circle all that apply): A. PCI B. PCMCIA C. PC Card E. WPA 2.0 F. Answer not listed Copyright (c) 2010 Servin Corporation 41
Circle the one WLAN client technology that is about the size of a postage stamp: A. SDIO B. PCI C. ExpressCard D. USB E. PCIe F. PCMCIA G. PC Card Copyright (c) 2010 Servin Corporation 42
A WLAN client device requires a DEVICE DRIVER, which is software for interfacing the hardware to the operating system. A. High Level B. Medium Level C. Low Level D. Answer not listed Copyright (c) 2010 Servin Corporation 43
A WLAN client device may include Client Utility Software that performs the following (select all that are possible): A. Scan for existing SSIDs B. Prompt for desired SSID C. Display signal strength D. Display security choice of WEP or WPA E. Display choice of WPA Personal or WPA Enterprise Copyright (c) 2010 Servin Corporation 44
Review Questions from Chapter 1 Copyright (c) 2010 Servin Corporation 45
Which organization is responsible for frequency band regulation in the United States? ITU-R ETSI IEEE Wi-Fi Alliance FCC Copyright (c) 2010 Servin Corporation 46
Which organization is responsible world-wide frequency band regulation allocation? ITU-R ETSI IEEE Wi-Fi Alliance FCC Copyright (c) 2010 Servin Corporation 47
Which organization is responsible for frequency band regulation in the Europe? ITU-R ETSI IEEE Wi-Fi Alliance FCC Copyright (c) 2010 Servin Corporation 48
Which organization creates WLAN standards? ITU-R ETSI IEEE Wi-Fi Alliance FCC Copyright (c) 2010 Servin Corporation 49
Which organization creates WLAN certifications? 2.4 GHz ISM 2.4 GHz IEEE Wi-Fi Alliance FCC Copyright (c) 2010 Servin Corporation 50
As used with WLAN, what is the definition if ISM? Industrial Sight and Magic Industrial, Scientific, and Medical Independent Sequenced Modules Answer not listed Copyright (c) 2010 Servin Corporation 51
As used with WLAN, what is the definition if UNII? Unlimited National Information Industry Uniform Nations Independently Integrated Unlicensed National Information Infrastructure Answer not listed Copyright (c) 2010 Servin Corporation 52
Select the TWO unlicensed bands used by WLAN 1 GHz ISM Band 2.4 GHz ISM Band 5 GHz UNII Band 10 GHz UNII Band 20 GHz UNII Band Copyright (c) 2010 Servin Corporation 53
Which choices below are IEEE WLAN standards? 802.11 1003.1 Wi-Fi WPA 802.3 Copyright (c) 2010 Servin Corporation 54
Which choice below is different from the other choices? 802.11 802.11a 802.11b 802.11g Copyright (c) 2010 Servin Corporation 55
Select each choice that relates to the original 802.11 spec 2.4 GHz 5 Ghz 1 Mbps 2 Mbps Copyright (c) 2010 Servin Corporation 56
802.11b is backward compatible with (select all that apply): 802.11 802.11a 802.11g Copyright (c) 2010 Servin Corporation 57
802.11b has the following features (select all that apply) Backwards compatible with 802.11a Backwards compatible with 802.11 5.5 Mbps 11 Mbps 54 Mbps Copyright (c) 2010 Servin Corporation 58
True/False: 802.11a was released before 802.11b Copyright (c) 2010 Servin Corporation 59
True/False: 802.11a has a maximum rate of 54 Mbps. Copyright (c) 2010 Servin Corporation 60
802.11a operates in the band. 1 GHz ISM 2.4 GHz ISM 2.5 GHz UNII 5 GHz ISM 5 GHz UNII Copyright (c) 2010 Servin Corporation 61
802.11g is backward compatible with (select all that apply) 802.11 802.11a 802.11b 802.11c 802.11d 802.11e 802.11f Copyright (c) 2010 Servin Corporation 62
Select all that relate to 802.11g 2.4 Ghz ISM Band Backward compatible with 802.11b 5.5 Mbps and 11 Mbps Backward compatible with 802.11 1 and 2 Mbps 54 Mbps Copyright (c) 2010 Servin Corporation 63
Select all that relate to 802.11n 2.4 Ghz ISM band 5 Ghz UNI bands Up to 600 Mbps MIMO (multiple input, multiple output) Copyright (c) 2010 Servin Corporation 64
The 802.11e specification relates to (select all that apply Security QoS SSID Hiding Quality of Service Copyright (c) 2010 Servin Corporation 65
The 802.11i specification relates to (select all that apply Security QoS SSID Hiding Quality of Service Copyright (c) 2010 Servin Corporation 66
Select all items related to 802.11i Power Usage SSID Hiding MAC Filtering WEP (Wired Equivalent Privacy) Performance Copyright (c) 2010 Servin Corporation 67
Select TWO that relate to WPA 2.0 Personal Mode Protection Mode Professional Mode Enterprise Mode Scanning Mode Banning Mode WPA2 Mode Copyright (c) 2010 Servin Corporation 68
Define WPA as it relates to this course Windows Protected Access Wi-Fi Protected Access Will Protect All Wireless Protected Access Copyright (c) 2010 Servin Corporation 69
Select the organization responsible for WPA IEEE FCC Wi-Fi Allowance Wi-Fi Alliance Wi-Fi Protection Association Copyright (c) 2010 Servin Corporation 70
Select the BEST answer below 802.11 <=> 802.11a 802.11 <=> Wi-Fi 802.11i <=> WPA 2.0 802.11i <=> WMM Copyright (c) 2010 Servin Corporation 71
Define WMM as used in this course Wi-Fi Multimedia Windows Multimedia With Multiplex Message 802.11i 802.11e Copyright (c) 2010 Servin Corporation 72
Define WMM-PS as used in this course Wi-Fi Multimedia - Power Save Windows Multimedia Personal Service With Multiplex Message Power Update 802.11i 802.11e Copyright (c) 2010 Servin Corporation 73
Define WPS as used in this course Windows Personal setup Willful Produced Security Wi-Fi Protected Setup Wi-Fi Privileged Security Wi-Fi Professional Service Copyright (c) 2010 Servin Corporation 74
WPS was designed for which environment? Enterprise Organization FCC SOHO Security Organizations Copyright (c) 2010 Servin Corporation 75
Related to WPS, define PBC Problem Based Challenge Preferred Backup Channel Push Button Configuration Protected Battery Charging Copyright (c) 2010 Servin Corporation 76
WPS supports TWO types of authentication. Select the TWO from the list below. Professional Authentication Best Practice Authentication Push Button Configuration PIN-based configuration Copyright (c) 2010 Servin Corporation 77
WPS APs must support (select as many as required): Professional Authentication Best Practice Authentication Push Button Configuration PIN-based configuration Copyright (c) 2010 Servin Corporation 78
WPS clients must support (select as many as required): Professional Authentication Best Practice Authentication Push Button Configuration PIN-based configuration Copyright (c) 2010 Servin Corporation 79
Personal security for WPA 2.0 uses (select single best answer) A USB key A password A passphrase EAP (External Authentication Protocol) A digital certificate Copyright (c) 2010 Servin Corporation 80
What application types make use of WMM? Printing Apps Streaming Video Apps Batch Job Apps Streaming Audio Apps Copyright (c) 2010 Servin Corporation 81
Define WMM-PS Wi-Fi Multi Mimo Path Secure Wi-Fi Multimedia Power Save Windows Multi Mimo Path Secure Windows Multimedia Power Save Copyright (c) 2010 Servin Corporation 82
Review Questions from Chapter 2 Copyright (c) 2010 Servin Corporation 83
True/False. The OSI Model is a 7 layer model Copyright (c) 2010 Servin Corporation 84
True/False. The OSI Model Layer 7 is named the Application Layer Copyright (c) 2010 Servin Corporation 85
Select the items below that relate to the Application Layer 7 MAC Address IP Address HTTP Protocol IP Routing FTP Protocol Web Browser Web Server Copyright (c) 2010 Servin Corporation 86
WLANs function at which layers of the ISO model. Select TWO best answers. Layer 7 Layer 6 Layer 5 Layer 3 Layer 4 Layer 2 Layer 1 Copyright (c) 2010 Servin Corporation 87
OSI Layer 1 is named Application Layer Network Layer Network Routing Layer Data Link Layer Data Push Layer Physical Layer Hardware Layer Bit Layer Copyright (c) 2010 Servin Corporation 88
True/False: As related to the OSI Model, the letters PHY mean the Physical Layer Copyright (c) 2010 Servin Corporation 89
Select the ONE true statement about the OSI Physical Layer Bit-level data with little organization Organizes Bit-Level data for communication between devices on a network Uses MAC address Where the IP protocol resides Copyright (c) 2010 Servin Corporation 90
OSI Layer 2 is named Application Layer Network Layer Network Routing Layer Data Link Layer Data Push Layer Physical Layer Hardware Layer Bit Layer Copyright (c) 2010 Servin Corporation 91
Select the TWO true statements about the OSI Data Link Layer Bit-level data with little organization Organizes Bit-Level data for communication between devices on a network Uses MAC address Where the IP protocol resides Copyright (c) 2010 Servin Corporation 92
OSI Layer 3 is named Application Layer Network Layer Network Routing Layer Data Link Layer Data Push Layer Physical Layer Hardware Layer Bit Layer Copyright (c) 2010 Servin Corporation 93
Select the ONE true statement about the OSI Network Layer Bit-level data with little organization Organizes Bit-Level data for communication between devices on a network Uses MAC address Where the IP protocol resides Copyright (c) 2010 Servin Corporation 94
Define AP as used in the course All Points All Positive Access Point Access Privilege Copyright (c) 2010 Servin Corporation 95
Select the THREE types of APs Fully Functional Autonomous Heavyweight Lightweight Mediumweight Mesh Boxed Copyright (c) 2010 Servin Corporation 96
Select the AP that is a self-contained unit and can function independent of other devices Fully Functional Autonomous Heavyweight Lightweight Mediumweight Mesh Boxed Copyright (c) 2010 Servin Corporation 97
Select the AP that is NOT used as a standalone device Fully Functional Autonomous Heavyweight Lightweight Mediumweight Mesh Boxed Copyright (c) 2010 Servin Corporation 98
Select the AP that is connected with nodes of other APs, with at least two paths for every node. Fully Functional Autonomous Heavyweight Lightweight Mediumweight Mesh Boxed Copyright (c) 2010 Servin Corporation 99
True/False. Mesh networking is very popular in the outdoor WLAN market. Copyright (c) 2010 Servin Corporation 100
True/False. The best way to configure a AP is via the Wireless connection. Copyright (c) 2010 Servin Corporation 101
SOHO APs are typically configured using (Choose Two): MAC Address CLI (Command-Line Interface) Starcraft HTTP FTP HTTPS SMTP Copyright (c) 2010 Servin Corporation 102
APs work at which layers of the OSI Model (Choose 2): Layer 7 Layer 6 Layer 5 Layer 4 Layer 3 Layer 2 Layer 1 Copyright (c) 2010 Servin Corporation 103
According to the textbook, the following are SOHO features (Select 3): CLI (Command-Line Interface) WPA 2.0 WMM RADIUS WPS Copyright (c) 2010 Servin Corporation 104
Half-duplex communication is (select one): One way communication, one way only Two way communication, both directions simultaneously Two way communication, one way at a time Three way communication in a special half mode Copyright (c) 2010 Servin Corporation 105
True/False: According to the textbook, SOHO devices allow the user to configure the dynamic antenna output power. Copyright (c) 2010 Servin Corporation 106
Suppose you want to connect TWO wired LANs together into a single LAN, i.e., you want a single IP network address for each. Your AP would have to provide the following feature (choose best answer): DHCP Server Bridge RADIUS WMM-PS Copyright (c) 2010 Servin Corporation 107
Wireless bridges have TWO major configurations: Open Point-to-Point Closed Point-to-Multipoint Copyright (c) 2010 Servin Corporation 108
Wireless bridges must be configured with TWO common settings: Same Vendor Same SSID Same RF Channel Same RF Channel But Different SSID Different RF Channel but same SSID Copyright (c) 2010 Servin Corporation 109
According to the textbook, Enterprise APs had a more extensive feature list than SOHO APs. Which items below does the book state are primarily Enterprise AP features? Browser-based Configuration CLI Removable/Expandable Antenna WPA 2.0 Adjustable Transmit Power RADIUS Copyright (c) 2010 Servin Corporation 110
According to the textbook, Enterprise APs have three major modes. Select the THREE modes from the following list CLI Mode Root Access Mode Bridge Mode Repeater Mode Security Mode Copyright (c) 2010 Servin Corporation 111
True/False Root Access Mode for an Enterprise AP refers to connecting the AP to the enterprise backbone Copyright (c) 2010 Servin Corporation 112
Which answers below relate to Bridge Mode? Half-Duplex Point-to-Point Full-Duplex Point-to-Multipoint Happy Duplex Copyright (c) 2010 Servin Corporation 113
True/False Lightweight APs are stand-alone AP devices that do not need additional hardware. Copyright (c) 2010 Servin Corporation 114
True/False Mesh APs connect multiple APs together to provide at least two paths for every node Copyright (c) 2010 Servin Corporation 115
A Wireless LAN Controller/Switch has two common models. Select the two common models from the list below: Personal Model Branch Office Model Large Enterprise Model Enterprise Model Copyright (c) 2010 Servin Corporation 116
True/False A disadvantage of a Wireless LAN Controller/Switch is the lack of centralize control. Copyright (c) 2010 Servin Corporation 117
True/False A virtual LAN (VLAN) allows an Admin to separate physical ports into logical networks Copyright (c) 2010 Servin Corporation 118
Define PoE Proof of Ethernet Proof of Error Power over Ethernet Power over Enterprise Copyright (c) 2010 Servin Corporation 119
True/False RADIUS stands for Remote Authentication Dial-In User Service Copyright (c) 2010 Servin Corporation 120
True/False Midspan devices inject the required DC voltage into the Ethernet cable Copyright (c) 2010 Servin Corporation 121
Select the IEEE standard for PoE WMM-PoE 802.11 802.3-2005 Clause 33 802.11p Copyright (c) 2010 Servin Corporation 122
End of Questions Copyright (c) 2010 Servin Corporation 123