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Wireless Midterm2

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  1. 1Which of these propagation behaviors can result in multipath?Reflection, Scattering, Refraction, Diffraction
  2. 2When designing a wireless network, do we need to give the AP an IP address?Yes, GRE need to be created from the IP address of the AP to the IP address of the controller.
  3. 3What are the "two" ports within the authenticator that allow for 802.1X functionality?Controlled, Uncontrolled
  4. 4Which security solution may be used to segment a wireless LAN?VLAN
  5. 5True or False: TKIP is an encryption protocolTrue
  6. 6Which two of the following options are for Wi-Fi Protected Access 2 (WPA 2.0)?Personal Mode "using passphrase"
    AND
    Enterprise mode "using 802.1X / EAP"
  7. 7True or False: WPA2-Enterprise uses 802.1X for authenticationTrue
  8. 8The 802.11i amendment to the standard addresses which of the following technologies?Security
  9. 9The 802.1X standard identifies the authenticator as another term for the _____________ in wireless networking.Access point
  10. 10Which security feature provides the strongest security for a home-based wireless network?Passphrase
  11. 11What are some objects or materials that are common causes of reflection?Lake, Metal, Metal Door
  12. 12How many root bridge exist in a point-to-multipoint bridge link?One
  13. 13True or False: An Aruba controller can be configured as a DHCP server?True
  14. 14What three main components constitute an 802.1x/EAP framework?Supplicant, Authentication Server and Authenticator
  15. 15True or False: An AP can belong to many AP group profiles and may support multiple WLAN profilesFalse
  16. 16Select the incorrect feature of Centralized WLAN ArchitectureUse Fat AP
  17. 17Select the disadvantage of an Atonomous APEach AP must be separately configured, managed, and maintained.
  18. 18Which behavior can be described as an RF signal encountering a chain link fence, causing the signal to bounce into multiple directions?Scatter
  19. 19True or False: STA is used to represent a Wireless station.True
  20. 20When configuring the router for NAT “Network Address Translation”, why do we need to configure an access control list “ACL” “access-list 1”:To tell the router to only translate the IP addresses configured in this ACL.
  21. 21When using an 802.11 wireless controller solution, which device would be considered the authenticator?WLC
  22. 22What does NAT stand for?Network Address Translation
  23. 23Two Characteristics of RF signals are:Phase and Amplitude
  24. 24Which terms best describe components of a centralized WLAN architecture in which all the intelligence resides in a centralized device and pushes the configuration settings down to the access point? (Select all that apply)WLC and LWAP
  25. 25How much overlap does an AP require on the backbone and the wireless repeater?The repeater setup requires a 50% overlap of the AP on the backbone and the wireless repeater.
  26. 26A standard measurment of frequency is called?Hertz
  27. 27When multiple RF signals arrive at a receiver at the same time and are ______________with the primary wave, the result can be _____________of the primary signal.180 degrees out of phase, cancellation
  28. 28When configuring the router for NAT “Network Address Translation”, why do we need to configure an access control list “ACL” “access-list 1”:To tell the router to only translate the IP addresses configured in this ACL.
  29. 29True or False: Aruba AP use UDP port 8211 to establish a PAPI connection to the Aruba Controller and use GRE port 47 to tunnel wireless client traffic to the Aruba Controller.True
  30. 30True or False: Aruba Controller 3200 series can be used in a wireless design that implement 64 APs.False
  31. 31When an RF signal bends around an object, this propagation behavior is known as what?Diffraction
  32. 32True or False: Some LWAPs may have multiple radio cards that provide dual 2.4 GHz and 5 GHz coverage at the same time.True
  33. 33Hiding the Service Set Identifier of a wireless LAN will require a user to _______________ in order to gain access to the wireless network.Know the SSID and enter it manually
  34. 34Aruba APs create a GRE tunnel to the WLC to carry:Data traffic
  35. 35How many access points can be co-located without channel reuse in the same radio frequency area to maximize total system throughput while minimizing RF interference in an IEEE 802.11 b/n network?Three
  36. 36LWAP stands for?Lightweight Access Point
  37. 37Which RF behavior best describes a signal striking a medium and bending in a different direction?Refraction
  38. 38True or False: A point-to-point link always uses a omni-directional antenna.False
  39. 39Aruba APs determine the WLC IP addresses by:Sending an ADP broadcast traffic
    DHCP service through option 43
    Sending an ADP multicast traffic
  40. 40True or False: For Aruba controller 3200 series, the console port (serial interface) is located in the front of the device, it is the first port from the right.True
  41. 41What does 802.1X/EAP provide when implemented for WLAN security?Access to network resources
    Dynamic encryption-key generation
    Verification of user credentials
  42. 42True or False: WPA2-Personal uses a passphrase for authenticationTrue
  43. 43To reset an Aruba AP to its default settings:purge, save, reset or boot
  44. 44Which item has an effect on RF line of sight?Obstacles
  45. 45Virtual AP profile includes which subprofilesAAA profiles
    SSID profiles
  46. 46True or False: To Secure wireless network use EAP-TLS (Digital Certificate) to authenticate Wireless user and AES to encrypt the wireless traffic.True
  47. 47True or False: In centralized WLAN Architecture, all the intelligence resides in the LWAP.False
  48. 48How many non-root bridge exist in a point-to-multipoint bridge link?Multiple
  49. 49How do you configure a controller as a DHCP to serve the AP with an IP address?Enable the DHCP Server on the Controller
    Configure the DHCP Pool
  50. 50What term best defines the linear distance travelled in one positive-to-negative-to-positive oscillation of an electromagnetic signal?Wavelength
  51. 51True or False: NetStumbler can be used to discover the wireless network.True
  52. 52Is the default management and native VLAN on VLAN1?Yes
  53. 53What is the default IP address for an Aruba controller?172.16.0.254
  54. 541. What are the "two" ports within the authenticator that allow for 802.1X functionality? a) Ethernet b) Wireless c) Controlled d) Uncontrolledc) Controlled
    d) Uncontrolled
  55. 551. The 802.1X standard identifies the authenticator as another term for the _____________ in wireless networking. a) Access point b) RADIUS server c) EAP Server d) Client devicea) Access point
  56. 56A point-to-point link always uses an omnidirectional antenna. a) True b) Falseb) False
  57. 57WPA2-Enterprise uses 802.1X for authentication a) True b) Falsea) True
  58. 58Select a disadvantage of an Atomonous AP: a) Can't use Atonomus AP with Fat AP. b) Each AP must be separately configured, managed, and maintained. c) Need for a centralized Controller to configure the Wireless network. d) Atonomous AP connected to their Controller through a GRE tunnel.b) Each AP must be separately configured, managed, and maintained.
  59. 59In centralized WLAN Architecture, all the intelligence resides in the LWAP. a) True b) Falseb) False
  60. 601. How many access points can be co-located without channel reuse in the same radio frequency area to maximize total system throughput while minimizing RF interference in an IEEE 802.11 b/n network? a) Six b) Three c) Two d) Fourb) Three
  61. 61When designing the wireless network, do we need to give the AP an IP address? a) No, the tunnel will be created from the wireless client to the controller. b) No, AP does not need for an IP address to send the wireless traffic to the controller. c) Yes, GRE need to be created from the IP address of the AP to the IP address of the controller. d) Yes, the AP must use an IP address to be able to use the POE.c) Yes, GRE need to be created from the IP address of the AP to the IP address of the controller.
  62. 62LWAP is stand for: a) Local Wireless Access Point. b) Lightweight Access Point. c) Lightweight Wireless Access Point. d) Local Weight Access Pointb) Lightweight Access Point.
  63. 63Which security feature provides the strongest security for a home-based wireless network? a) Passphrase b) SSID hiding c) 128-bit WEP d) MAC filtersa) Passphrase
  64. 64Aruba AP creates a GRE tunnel to the WLC to carry: a) Data traffic b) Data traffic as well as control traffic c) Control traffica) Data traffic
  65. 65STA is used to represent a Wireless station. a) True b) Falsea) True
  66. 66The 802.1X standard identifies the authenticator as another term for the _____________ in wireless networking. a) Access point b) Client device c) RADIUS server d) EAP Servera) Access point
  67. 67The 802.11i amendment to the standard addresses which of the following technologies? a) Security b) DSSS c) MIMO d) Quality of servicea) Security
  68. 68Which security solution may be used to segment a wireless LAN? a) CCMP/AES b) TKIP/RC4 c) WEP d) VLANd) VLAN
  69. 69A standard measurement of frequency is called? a) Nanosecond b) Hertz c) Decibel d) Milliwattb) Hertz
  70. 70How many access points can be co-located without channel reuse in the same radio frequency area to maximize total system throughput while minimizing RF interference in an IEEE 802.11 b/n network? a) Three b) Two c) Four d) Sixa) Three
  71. 71When using an 802.11 wireless controller solution, which device would be considered the authenticator? a) Fat Access point b) WLC c) LDAP d) RADIUS database e) Root Bridgeb) WLC
  72. 72How to configure a controller as a DHCP to serve the AP with an IP address? a) Only enable the DHCP Server on the Controller b) Disable the DHCP Server on the Controller Configure the DHCP Pool c) Enable the DHCP Server on the Controller Configure the DHCP Pool d) Enable the DHCP Server on the Conc) Enable the DHCP Server on the Controller
    Configure the DHCP Pool
  73. 73Aruba APs determine the WLC IP address by: (Select all that apply) a) Sending an ADP multicast traffic b) DHCP service through option 43 c) AP does not need to get the IP address of the WLC. d) Sending an ADP broadcast trafficsa) Sending an ADP multicast traffic
    b) DHCP service through option 43
    d) Sending an ADP broadcast traffics
  74. 74An Aruba controller can be configured as a DHCP server? a) True b) Falsea) True
  75. 75An AP can belong to many AP group profiles and may support multiple WLAN profiles a) True b) Falseb) False
  76. 76An Aruba Controller 3200 series can be used in a wireless design that implements 64 APs. a) True b) Falseb) False
  77. 77To Secure a wireless network use EAP-TLS (Digital Certificate) to authenticate Wireless users and AES to encrypt the wireless traffic. a) True b) Falsea) True
  78. 78What does 802.1X/EAP provide when implemented for WLAN security? (Select all that apply) a) Verification of access point credentials b) Dynamic authentication c) Access to network resources d) Verification of user credentials e) Dynamic encryption-key generationc) Access to network resources
    d) Verification of user credentials
    e) Dynamic encryption-key generation
  79. 79NetStumbler can be used to discover the wireless network. a) True b) Falsea) True
  80. 80Hiding the Service Set Identifier of a wireless LAN will require a user to _______________ in order to gain access to the wireless network. a) Enable the SSID broadcast on the client device b) Enter a username and password when prompted c) Know the SSID and enter it manually d) Call the help desk and ask for a new passwordc) Know the SSID and enter it manually
  81. 81Virtual AP profiles includes which subprofiles: (Select all that apply) a) AAA profile b) SSID profile c) AP profile d) WLAN profilea) AAA profile
    b) SSID profile
  82. 82When designing the wireless network, do we need to give the AP an IP address? a) Yes, GRE need to be created from the IP address of the AP to the IP address of the controller. b) No, the tunnel will be created from the wireless client to the controller. c) No, AP does not need for an IP address to send the wireless traffic to the controller. d) Yes, the AP must use an IP address to be able to use the POE.a) Yes, GRE need to be created from the IP address of the AP to the IP address of the controller.
  83. 83To reset an Aruba AP to its default settings: a) write erase, purge, reset b) save, purge, reset or boot c) purge, save, reset or boot d) reset, purge, save e) purge, write erase, resetc) purge, save, reset or boot
  84. 84Some LWAP may have multiple radio cards that provide dual 2.4 GHz and 5 GHz coverage at the same time. a) True b) Falsea) True
  85. 85Select the incorrect feature of Centralized WLAN Architecture? a) All the intelligence resides in the centralized WLAN controller. b) Uses LWAP also known as Thin AP. c) Uses Fat AP. d) Wireless traffic is tunneled between the LWAP and the controller.c) Uses Fat AP.
  86. 86When configuring the router for NAT “Network Address Translation”, why we need to configure an access control list “ACL” “access-list 1”: a) To tell the router to deny 192.168.20.0 to access the network. b) To tell the router to only translate the IP addresses configured in this ACL. c) To tell the router to permit 10.0.0.1 to access the network. d) No need to add this ACL to the router.b) To tell the router to only translate the IP addresses configured in this ACL.
  87. 87What three main components constitute an 802.1x/EAP framework? a) Supplicant b) Authorizer c) Authentication server d) Intentional radiator e) Authenticatora) Supplicant
    c) Authentication server
    e) Authenticator
  88. 88WPA2-Personal uses a passphrase for authentication a) True b) Falsea) True
  89. 89Aruba APs use UDP port 8211 to establish a PAPI connection to the Aruba Controller and use GRE port 47 to tunnel wireless client traffic to the Aruba Controller. a) True b) Falsea) True
  90. 90In centralized WLAN Architecture, all the intelligence resides in the LWAP. a) True b) Falseb) False
  91. 91WPA2-Enterprise uses 802.1X for authentication a) True b) Falsea) True
  92. 92Select the correct statements? a) The default IP address for Aruba controller is: 172.16.0.254 b) Telnet is the only available method to configure Aruba Controller c) The default management and native VLAN is VLAN 1 d) The default subnet mask for aruba controller is: 255.255.0.0a) The default IP address for Aruba controller is: 172.16.0.254
    c) The default management and native VLAN is VLAN 1
  93. 93How many non-root bridges exist in a point-to-multipoint bridge link? a) Three. b) Multiple. c) One. d) Two.b) Multiple.
  94. 94Which two of the following options are for Wi-Fi Protected Access 2 (WPA 2.0)? a) Personal Mode "using passphrase" b) Protection mode c) Professional mode d) Enterprise mode "using 802.1X / EAP" e) WPA 2 modea) Personal Mode "using passphrase"
    d) Enterprise mode "using 802.1X / EAP
  95. 95Select the disadvantage of an Atomonous AP: a) Need for a centralized Controller to configure the Wireless network. b) Can't use Atonomus AP with Fat AP. c) Atonomous AP connected to their Controller through a GRE tunnel. d) Each AP must be separately configured, managed, and maintained.d) Each AP must be separately configured, managed, and maintained.
  96. 96Which terms best describe components of a centralized WLAN architecture in which all the intelligence resides in a centralized device and pushes the configuration settings down to the access point? (Select all that apply) a) WLC b) LWAP c) Enterprise wireless gateway d) Stand alone Access point e) Fat Access Pointa) WLC
    b) LWAP
  97. 97How many non-root bridge exist in a point-to-point bridge link? a) Two. b) Multiple. c) One. d) None.c) One.
  98. 98Choose the correct statement? a) It is recommended that not more than 3 hops be used. b) The repeater setup requires a 10-15% overlap of the AP on the backbone and the wireless repeater. c) The repeater setup requires a 50% overlap of the AP on the backbone and the wireless repeater. d) A wireless repeater is an access point that is connected to the wired backbonec) The repeater setup requires a 50% overlap of the AP on the backbone and the wireless repeater.
  99. 99A point-to-point link always uses an omnidirectional antenna. a) True b) Falseb) False
  100. 100What are the "two" ports within the authenticator that allow for 802.1X functionality? a) Wireless b) Controlled c) Ethernet d) Uncontrolledb) Controlled
    d) Uncontrolled

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Karteikarten am Wireless Midterm2, erstellt von yousweetdreams am 18/11/2014.
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