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| Section | Weight | Objectives |
|---|---|---|
| Network Stack | 7% | - OSI Model layers and architectural elements - TCP/IP stack concepts |
| Switching | 19% | - Campus architecture design - Aruba CX switch configuration - VLANs, trunking and STP - Layer 2/Layer 3 technologies |
| WLAN | 18% | - Roaming and mobility basics - AP configuration and groups - WLAN security and SSID setup - Radio Frequency (RF) attributes |
| Routing | 9% | - Static routing configuration - Routing topology design - Dynamic routing protocols |
| Security | 9% | - ACLs and traffic filtering - Wired and wireless security policies - ClearPass integration basics - Security standards and concepts |
| Network Resiliency and Virtualization | 8% | - Virtual switching concepts - Infrastructure device management - Redundancy and fault tolerance |
| Authentication and Authorization | 6% | - AAA concepts and operation - Access control methods |
| Performance Optimization | 3% | - QoS principles and implementation |
| Troubleshooting | 4% | - Common network issues resolution - Troubleshooting methodologies |
| Connectivity | 10% | - Foundational networking architectures - Infrastructure deployment principles |
| Management and Monitoring | 7% | - Aruba Central management platform - Network monitoring tools - Health and performance assessment |
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NEW QUESTION # 52
What is indicated by a solid amber radio status LED on an HPE Aruba Networking AP?
Answer: C
Explanation:
The solid amber radio status LED on an Aruba AP Access Point (AP) Access Point (AP) is a device that connects wireless devices to a wired network using Wi-Fi or other wireless standards.
APs act as transmitters and receivers of wireless signals and provide wireless coverage for a specific area. APs can operate in different modes such as root, repeater, bridge, mesh, etc. APs can also support different features such as security, QoS, roaming, load balancing, etc. APs can be standalone devices or managed by controllers or cloud services. APs can be verified by using commands such as show ap active, show ap database, show ap bss-table, etc. indicates that the radio is enabled in monitor or spectrum analysis mode. Monitor mode is a mode that allows the AP to scan all channels and collect information about wireless traffic, interference, rogue devices, etc. Spectrum analysis mode is a mode that allows the AP to scan all channels and collect information about RF Radio Frequency (RF) Radio Frequency (RF) is a term that refers to electromagnetic waves that have frequencies between 3 kHz and 300 GHz. RF waves are used for various purposes such as communication, broadcasting, radar, navigation, remote control, etc.
RF waves can be modulated by changing their amplitude, frequency, or phase to encode information. RF waves can also be affected by various factors such as attenuation, reflection, refraction, diffraction, scattering, interference, noise, etc. RF waves can be measured by using devices such as spectrum analyzers, power meters, antennas, etc. environment, noise sources, channel utilization, etc. Both modes are useful for troubleshooting and optimizing wireless performance, but they disable normal data transmission and reception on the radio. The other options are not indicated by a solid amber radio status LED on an Aruba AP because:
- Not enough PoE is provided from the switch to power both radios of the AP: This option is false because not enough PoE Power over Ethernet (PoE) Power over Ethernet (PoE) is a technology that allows network devices to receive power and data over the same Ethernet cable. PoE eliminates the need for separate power sources and cables for devices such as IP phones, cameras, access points, etc. PoE is defined in IEEE 802.3af and IEEE 802.3at standards and supports different power classes and modes. PoE can be provided by switches or injectors that act as power sourcing equipment (PSE) and received by devices that act as powered devices (PD). PoE can be verified by using commands suchas show power inline, show power-over- ethernet, debug ip device tracking, etc. is indicated by a blinking amber power status LED on an Aruba AP, not by a solid amber radio status LED. A blinking amber power status LED means that the AP is receiving insufficient power from the switch or injector and cannot operate normally. A solid green power status LED means that the AP is receiving sufficient power from the switch or injector and can operate normally.
- The radio is working in mesh mode: This option is false because the radio working in mesh mode is indicated by a solid green radio status LED on an Aruba AP, not by a solid amber radio status LED. A solid green radio status LED means that the radio is working in normal mode or mesh mode and can transmit or receive data on the assigned channel. Mesh mode is a mode that allows the AP to connect wirelessly to other APs and form a mesh network without requiring wired connections.
- The radio is working the 5 GHz band only: This option is false because the radio working in the
5 GHz band only is indicated by a solid blue radio status LED on an Aruba AP, not by a solid amber radio status LED. A solid blue radio status LED means that the radio is working in dual- band mode and can transmit or receive data on both 2.4 GHz and 5 GHz bands.
NEW QUESTION # 53
The noise floor measures 000000001 milliwatts, and the receiver's signal strength is -65dBm.
What is the Signal to Noise Ratio?
Answer: D
NEW QUESTION # 54
Based on the "snow ip route" output on an AruDaCX 8400. what type of route is "10.1 20 0/24, vrf default via
10.1.12.2. [1/0]"?
Answer: C
Explanation:
A static route is a route that is manually configured on a router or switch and does not change unless it is modified by an administrator. Static routes are used to specify how traffic should reach specific destinations that are not directly connected to the device or that are not reachable by dynamic routing protocols. In Aruba CX switches, static routes can be configured using the ip route command in global configuration mode. Based on the "show ip route" output on an Aruba CX 8400 switch, the route "10.1 20 0/24, vrf default via 10.1.12.2,
[1/0]" is a static route because it has an administrative distance of 1 and a metric of 0, which are typical values for static routes. References: https://en.wikipedia.org/wiki/Static_routing https://www.arubanetworks.com
/techdocs/AOS-CX_10_04/NOSCG/Content/cx-noscg/ip-routing/static-routes.htmhttps://www.arubanetworks.
com/techdocs/AOS-CX_10_04/NOSCG/Content/cx-noscg/ip-routing/show-ip-route.htm
NEW QUESTION # 55
You have physical access to an Aruba CX-Switch with unknown/lost credentials.
What are the possible steps to rebuild the credentials? (Select two.)
Answer: B,D
Explanation:
To regain access to an Aruba CX switch when credentials are unknown or lost, one can press and hold the clear button, then power cycle the switch to reset the password. Additionally, using the boot profile 0 at the boot loader menu can be used to bypass the current startup configuration, which may include the unknown credentials.
NEW QUESTION # 56
Which Protocol Data Unit (PDU) represents the data link layer PDU?
Answer: B
Explanation:
A frame is the data link layer PDU that encapsulates the network layer PDU (packet) with a header and a trailer that contain information such as source and destination MAC addresses, frame type, error detection, etc. A frame is transmitted over a physical medium such asEthernet, Wi-Fi, etc.
NEW QUESTION # 57
......
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