Designing Cisco Enterprise Wireless Networks (ENWLSD)245 questions across 25 pages are complete and free, with no account or card.
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An engineer must install an outdoor wireless network for an area with a direct line of sight. The outdoor APs are in an open area with a history of harsh weather. Which two parameters must the engineer consider to prevent an outdoor wireless outage? (Choose two.)
Answer: AB
A customer has a central Cisco WLC that manages APs in FlexConnect mode. The wireless infrastructure supports multiple small branches. One branch deploys new CCX wireless phones that are authenticated by a central Cisco ISE via PEAP/IMSCHAPv2, and traffic is switched locally. The customer must reduce the number of full authentication requests and optimize roaming for the new phones. Which action accomplishes the requirement?
Answer: A
https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-1/configuration-guide/b_cg81/b_cg81_chapter_010010111.pdf IE Aironet is used to help CCX clients choice the best AP to associate but doesn't help with roaming. CCKM with Flexconnect Groups allows for fast roaming
Source: Adapted from community discussion — NetworkJoe
A wireless engineer is performing a post verification of a wireless network. Which two metrics does the engineer verify to ensure that the wireless network can support voice services? (Choose two.)
Answer: BD
B&D should https://www.cisco.com/c/en/us/td/docs/wireless/technology/vowlan/troubleshooting/vowlan_troubleshoot/8_Site_Survey_RF_Design_Valid.html RF Design Validation 1. The optimal VoWLAN Cell Edge recommendation is -67 dBm. 2. An optimal VoWLAN deployment will require at least a 20 percent cell overlap for 2.4 GHz and 15-20 percent for 5 GHz for access points that reside on different channels. 3. Over all Channel Utilization should be less than 50 percent. 4. The Noise floor should not exceed -92 dBm, which facilitates a Signal to Noise Ratio of 25 dB. 5. Retransmissions should be kept under 20 percent. 6. Packet Loss should remain under 1 percent and jitter should be kept to less than 100 ms.
Source: Adapted from community discussion — skh
An engineer must identify the network requirements for a company that has a main office and 10 branch offices. The network must be able to support data, voice, video, and location tracking. Which two factors must be considered? (Choose two.)
Answer: BC
During a meeting to gather the requirements for a new Wi-Fi network design, the customer requests that 802.11a and 802.11ac clients be able to connect. Which affect does this have to the wireless network?
Answer: B
A customer deploys a new Cisco high-density wireless network within the open areas of a mall to provide free public wireless on 5 GHz. The existing mall tenants have their own wireless networks that are independently managed. Which design approach minimizes channel utilization for the public network?
Answer: D
We have to use all 5GHz channels that we can. With the smaller bandwith, 20 MHz. In order to acomodate high density mall requirements.
Source: Adapted from community discussion — raresalexa_22
A new wireless network design has these requirements: • AireOS WLCs as guest anchors • a Cisco Catalyst 9800 Series WLC as the foreign controller • use of Wi-Fi 6 APs • inter-controller roaming for guest users Which two design approaches meet these requirements? (Choose two.)
Answer: BE
Types of Tunnel • Secure - The Catalyst 9800 controllers or the 9800 and AireOS (IRCM image) controllers use Control tunnel 16666 for Mobility Control messages and Data tunnel 16667 for Mobility Data Messages . This secure link is called Secure Mobility Tunnel. • EOIP - Controllers (AireOS to AireOS or AireOS (IRCM image) to AireOS (old) ) within a mobility group communicate among themselves over a well-known UDP port 16666, and exchange data traffic through an Ethernet-over-IP (EoIP) tunnel. This is an unencrytpted connection
Source: Adapted from community discussion — Jonycici
An engineer is designing a new wireless network. Based on the design, OfficeExtend AP functionality must be used. Which type of license must the Cisco 5520 WLC v8.3 have?
Answer: A
o use Cisco OEAPs, a base license must be installed and in use on the Cisco WLC. After the license is installed, you can enable the OfficeExtend mode on the supported Cisco Aironet AP models that support OfficeExtend mode.
Source: Adapted from community discussion — Lakshan__97
An engineer is trying to configure the APs installed in a new auditorium to use 40 MHz channels with high data rates and lower TX power. The APs in the building hallway must use lower-density design settings configured for the rest of the building. Which two configurations achieve this design? (Choose two.)
Answer: CE
Given answer is correct. AP groups, group APs together by location and inside the AP group you can assign an RF profile that controls things like RRM. https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/config-guide/b_cg85/configuring_ap_groups.html
Source: Adapted from community discussion — jzzmth
A Cisco controller-based wireless network must support workgroup bridges. The APs configured as workgroup bridges must support wired and wireless clients. The wireless clients must connect to the spare radio. What is the maximum number of wired client connections supported on a workgroup bridge?
Answer: A
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