1660991
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Flashcards by yousweetdreams, updated more than 1 year ago
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Created by yousweetdreams
over 10 years ago
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| Question | Answer |
| Which of these propagation behaviors can result in multipath? | Reflection, Scattering, Refraction, Diffraction |
| When 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. |
| What are the "two" ports within the authenticator that allow for 802.1X functionality? | Controlled, Uncontrolled |
| Which security solution may be used to segment a wireless LAN? | VLAN |
| True or False: TKIP is an encryption protocol | True |
| Which 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" |
| True or False: WPA2-Enterprise uses 802.1X for authentication | True |
| The 802.11i amendment to the standard addresses which of the following technologies? | Security |
| The 802.1X standard identifies the authenticator as another term for the _____________ in wireless networking. | Access point |
| Which security feature provides the strongest security for a home-based wireless network? | Passphrase |
| What are some objects or materials that are common causes of reflection? | Lake, Metal, Metal Door |
| How many root bridge exist in a point-to-multipoint bridge link? | One |
| True or False: An Aruba controller can be configured as a DHCP server? | True |
| What three main components constitute an 802.1x/EAP framework? | Supplicant, Authentication Server and Authenticator |
| True or False: An AP can belong to many AP group profiles and may support multiple WLAN profiles | False |
| Select the incorrect feature of Centralized WLAN Architecture | Use Fat AP |
| Select the disadvantage of an Atonomous AP | Each AP must be separately configured, managed, and maintained. |
| Which behavior can be described as an RF signal encountering a chain link fence, causing the signal to bounce into multiple directions? | Scatter |
| True or False: STA is used to represent a Wireless station. | True |
| When 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. |
| When using an 802.11 wireless controller solution, which device would be considered the authenticator? | WLC |
| What does NAT stand for? | Network Address Translation |
| Two Characteristics of RF signals are: | Phase and Amplitude |
| Which 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 |
| How 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. |
| A standard measurment of frequency is called? | Hertz |
| When 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 |
| When 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. |
| True 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 |
| True or False: Aruba Controller 3200 series can be used in a wireless design that implement 64 APs. | False |
| When an RF signal bends around an object, this propagation behavior is known as what? | Diffraction |
| True or False: Some LWAPs may have multiple radio cards that provide dual 2.4 GHz and 5 GHz coverage at the same time. | True |
| Hiding 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 |
| Aruba APs create a GRE tunnel to the WLC to carry: | Data traffic |
| 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? | Three |
| LWAP stands for? | Lightweight Access Point |
| Which RF behavior best describes a signal striking a medium and bending in a different direction? | Refraction |
| True or False: A point-to-point link always uses a omni-directional antenna. | False |
| Aruba APs determine the WLC IP addresses by: | Sending an ADP broadcast traffic DHCP service through option 43 Sending an ADP multicast traffic |
| True 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 |
| What does 802.1X/EAP provide when implemented for WLAN security? | Access to network resources Dynamic encryption-key generation Verification of user credentials |
| True or False: WPA2-Personal uses a passphrase for authentication | True |
| To reset an Aruba AP to its default settings: | purge, save, reset or boot |
| Which item has an effect on RF line of sight? | Obstacles |
| Virtual AP profile includes which subprofiles | AAA profiles SSID profiles |
| True or False: To Secure wireless network use EAP-TLS (Digital Certificate) to authenticate Wireless user and AES to encrypt the wireless traffic. | True |
| True or False: In centralized WLAN Architecture, all the intelligence resides in the LWAP. | False |
| How many non-root bridge exist in a point-to-multipoint bridge link? | Multiple |
| How 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 |
| What term best defines the linear distance travelled in one positive-to-negative-to-positive oscillation of an electromagnetic signal? | Wavelength |
| True or False: NetStumbler can be used to discover the wireless network. | True |
| Is the default management and native VLAN on VLAN1? | Yes |
| What is the default IP address for an Aruba controller? | 172.16.0.254 |
| 1. What are the "two" ports within the authenticator that allow for 802.1X functionality? a) Ethernet b) Wireless c) Controlled d) Uncontrolled | c) Controlled d) Uncontrolled |
| 1. 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 device | a) Access point |
| A point-to-point link always uses an omnidirectional antenna. a) True b) False | b) False |
| WPA2-Enterprise uses 802.1X for authentication a) True b) False | a) True |
| Select 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. |
| In centralized WLAN Architecture, all the intelligence resides in the LWAP. a) True b) False | b) False |
| 1. 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) Four | b) Three |
| When 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. |
| LWAP is stand for: a) Local Wireless Access Point. b) Lightweight Access Point. c) Lightweight Wireless Access Point. d) Local Weight Access Point | b) Lightweight Access Point. |
| Which security feature provides the strongest security for a home-based wireless network? a) Passphrase b) SSID hiding c) 128-bit WEP d) MAC filters | a) Passphrase |
| Aruba AP creates a GRE tunnel to the WLC to carry: a) Data traffic b) Data traffic as well as control traffic c) Control traffic | a) Data traffic |
| STA is used to represent a Wireless station. a) True b) False | a) True |
| The 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 Server | a) Access point |
| The 802.11i amendment to the standard addresses which of the following technologies? a) Security b) DSSS c) MIMO d) Quality of service | a) Security |
| Which security solution may be used to segment a wireless LAN? a) CCMP/AES b) TKIP/RC4 c) WEP d) VLAN | d) VLAN |
| A standard measurement of frequency is called? a) Nanosecond b) Hertz c) Decibel d) Milliwatt | b) Hertz |
| 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) Three b) Two c) Four d) Six | a) Three |
| When 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 Bridge | b) WLC |
| How 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 Con | c) Enable the DHCP Server on the Controller Configure the DHCP Pool |
| Aruba 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 traffics | a) Sending an ADP multicast traffic b) DHCP service through option 43 d) Sending an ADP broadcast traffics |
| An Aruba controller can be configured as a DHCP server? a) True b) False | a) True |
| An AP can belong to many AP group profiles and may support multiple WLAN profiles a) True b) False | b) False |
| An Aruba Controller 3200 series can be used in a wireless design that implements 64 APs. a) True b) False | b) False |
| To Secure a wireless network use EAP-TLS (Digital Certificate) to authenticate Wireless users and AES to encrypt the wireless traffic. a) True b) False | a) True |
| What 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 generation | c) Access to network resources d) Verification of user credentials e) Dynamic encryption-key generation |
| NetStumbler can be used to discover the wireless network. a) True b) False | a) True |
| Hiding 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 password | c) Know the SSID and enter it manually |
| Virtual AP profiles includes which subprofiles: (Select all that apply) a) AAA profile b) SSID profile c) AP profile d) WLAN profile | a) AAA profile b) SSID profile |
| When 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. |
| To 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, reset | c) purge, save, reset or boot |
| Some LWAP may have multiple radio cards that provide dual 2.4 GHz and 5 GHz coverage at the same time. a) True b) False | a) True |
| Select 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. |
| When 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. |
| What three main components constitute an 802.1x/EAP framework? a) Supplicant b) Authorizer c) Authentication server d) Intentional radiator e) Authenticator | a) Supplicant c) Authentication server e) Authenticator |
| WPA2-Personal uses a passphrase for authentication a) True b) False | a) True |
| Aruba 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) False | a) True |
| In centralized WLAN Architecture, all the intelligence resides in the LWAP. a) True b) False | b) False |
| WPA2-Enterprise uses 802.1X for authentication a) True b) False | a) True |
| Select 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: 255.255.0.0 | a) The default IP address for Aruba controller is: 172.16.0.254 c) The default management and native VLAN is VLAN 1 |
| How many non-root bridges exist in a point-to-multipoint bridge link? a) Three. b) Multiple. c) One. d) Two. | b) Multiple. |
| Which 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 mode | a) Personal Mode "using passphrase" d) Enterprise mode "using 802.1X / EAP |
| Select 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. |
| Which 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 Point | a) WLC b) LWAP |
| How many non-root bridge exist in a point-to-point bridge link? a) Two. b) Multiple. c) One. d) None. | c) One. |
| Choose 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 backbone | c) The repeater setup requires a 50% overlap of the AP on the backbone and the wireless repeater. |
| A point-to-point link always uses an omnidirectional antenna. a) True b) False | b) False |
| What are the "two" ports within the authenticator that allow for 802.1X functionality? a) Wireless b) Controlled c) Ethernet d) Uncontrolled | b) Controlled d) Uncontrolled |
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