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Help with some 300-365 Questions

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#1 sk4tto

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Posted 09 December 2018 - 10:00 PM

Hi,

i'm preparing the exam, the actual question base is 122q.
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I take the file as a reference: 300-365.examsforall.premium.exam.122q.pdf

I'm realizing that some answers are not right.
Someone may can help/double check my consideration?. For example:

Quote

QUESTION 15
A customer requires that an SSID is broadcasted to specific access points that use certain interfaces. Which feature can be used to achieve this goal?
A. mobility groups
B. flex-connect groups
C. interface groups
D. AP groups
Correct Answer: C
With interface group, you can not direct SSID to spesific APs.
Its' D


Quote

QUESTION 18
Which two options are limitations of using an AP as a workgroup bridge? (Choose two.)
A. Only factory-configured MAPs can support WGB mode.
B. MAPs that are configured in WGB mode do not answer S36 radio measurement requests.
C. A limited subset of Layer 2 security types are supported for wireless clients of a WGB.
D. There is a limit of 20 wired client devices.
E. Multiple VLANs are not supported for wireless clients.
Correct Answer: DE
In the PassLeader dump is indicated BD but i think is correct DE because WGB are StandAlone AP (so the MAPs/Mesh have no sense).

Quote

QUESTION 19
Which two methods to discover a controller does a MAP attempt when it boots up? (Choose two.)
A. |f Ethernet and wireless are available, it attempts to discover only via Ethernet.
B. if Ethernet is disconnected, it attempts to connect wirelessly using AWPP.
C. if only wireless is available and it is configured as a MAP, it does not attempt to connect to a WLC.
D. If Ethernet and wireless are available, it uses Ethernet first. If it cannot connect via Ethernet, then it chooses wireless.
E. |f Ethernet is disconnected, it attempts to connect wirelessly using the configured DHCP option.
Correct Answer: AB
As indicated here: https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-7/config-guide/b_cg87/troubleshooting-mesh-aps.html
"A MAP failing to connect to a WLAN controller on an Ethernet port that is UP, sets the 802.11a radio as the primary backhaul. Failing to find a neighbor or failing to connect to a WLAN controller via any neighbor on the 802.11a radio causes the primary backhaul to be UP on the Ethernet port again. A MAP gives preference to the parent which has the same BGN."
So D is true and A is false.
Correct BD


Quote

QUESTION 33
A network engineer must ensure that corporate wireless users have a better experience than guest wireless users. Which two configurations fulfil requirement?
(Choose two.)
A. Override per-SSID bandwidth contracts on the corporate WLAN to reserve bandwidth.
B. Modify the corporate WLAN to the Platinum QoS policy.
C. Enable 802.1ptag on the Gold QoS pofccyto honor prioritized traffic.
D. Adjust the guest WLAN radio policy to 80211 b/g only.
E. Change the guest WLAN to the Bronze QoS policy.
Correct Answer: BD
Another possibile answer is BE (on guide is indicated "Bronze (Background): This level provides the lowest bandwidth for guest services.").
Theorically we dont know if we have 5Ghz enable in this corporate wireless...
What do we prefer?

Quote

QUESTION 25
Refer to Exhibit.

Posted Image

A wireless client is connecting to FlexAPI which is currently working standalone mode. The AAA authentication process is returning the following AVPs:

Tunnel-Private-Group-ld(81): 15
Tunnel-Medium-Type(65):IEEE-802(6)
Tunnel-Type(64): VLAN(13)

Which three behaviors will the client experience? (Choose three.)
A. While the AP is in standalone mode, the client will be placed in VLAN 15.
B. While the AP is in standalone mode, the client will be placed in VLAN 10.
C. When the AP transitions to connected mode, the client will be de-authenticated.
D. While the AP is in standalone mode, the client will be placed in VLAN 13.
E. When the AP is in connected mode, the client will be placed in VLAN 13.
F. When the AP transitions to connected mode the client will remain associated.
G. When the AP is in connected mode, the client will be placed in VLAN 15.
H. When the AP is in connected mode, the client will be placed in VLAN 10.
Correct Answer: ADE
I think A+D in the same answer have no sense...

Some fact:
1) We are in Central-Authentication-Down/Switch-Local: A WLAN that requires central authentication rejects new users.
Existing authenticated users continue to be switched locally until session time-out if configured. The WLAN continues to beacon and respond to probes until there are no more existing users associated to the WLAN. This state occurs as a result of the AP going into standalone mode
2) The RADIUS user attributes used for the VLAN ID assignment are:
IETF 64 (Tunnel Type) - Set this to VLAN.
IETF 65 (Tunnel Medium Type) - Set this to 802.
IETF 81 (Tunnel Private Group ID) - Set this to VLAN ID.
So in the TAG for the VLAN is 15
3) In FlexConnect Standalone "Clients that are authenticated on locally switched WLANs using IEEE 802.1X authentication will remain connected until they roam or their session times out, that is, unless the AP is provided with a way to reauthenticate the client."
4) In the FlexConnect AAA VLAN Override if the VLAN ID does not exist, default VLAN is used, unless "VLAN Based Central Switching" enabled --> Our case is anable.
5) When the FlexConnect access point rejoins (from standalone status) the controller (or a standby controller), all clients are disconnected and are authenticated again --> C for sure

So if the client has authenticated before the down of the WAN, is joined in VLAN 15 (otherwise it could not be authenticated) and its on standalone mode, the client will be placed in VLAN 15 --> A
If return AP is in connected mode, the client will be placed in VLAN 15 --> G

Do we agreee?

Edited by sk4tto, 10 December 2018 - 12:05 PM.


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#2 sk4tto

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Posted 10 December 2018 - 10:57 AM

Quote

QUESTION 45
A wireless engineer wants to enable optimized roaming for their 5GHz wireless network with these settings: -72dBm RSSI value, 25% coverage exception level
percentage, and a minimum of 50 packets received.
Which two commands achieve these settings? (Choose two.)
A. config advanced 802.11a coverage data fail-percentage 25
B. config advanced 802.11b optimized-roaming enable
C. config advanced 802.11b coverage data rssi-threshold -72
D. config advanced 802.11a optimized-roaming enable
E. config advanced 802.11a coverage data rssi-threshold -72
Correct Answer: AD
Why not E?
I've double-checked the default value of the cli command, and finded that the "fail-percentage" is default 25. But rssi-threshold default is 80 so has to be changed!
Correct answer DE


Quote

QUESTION 84
Which option is a physical entity in converged access wireless network design?
A. mobility domain
B. switch peer group
C. mobility group
D. mobility agent
Correct Answer: C
Mobility agent: Terminates CAPWAP from AP, manages client database.
Correct for sure = D


Quote

QUESTION 95
An engineer needs to address roaming issues with sticky clients in high-density areas on a campus.
Which feature must the engineer configure?
A. Layer 3 roaming
B. load balancing and band select
C. optimized roaming
D. Layer 2 roaming
Correct Answer: D
L2 Roaming? Cisco says "Optimized roaming resolves the problem of sticky clients that remain associated to access points"
For sure C


Quote

QUESTION 54
What are two functions of the RAP in a mesh network? (Choose two.)
A. It provides a wired connection for the wireless mesh APs.
B. It adds capacity and resilience to a mesh area.
C. it creates a centralized management location for the mesh network.
D. it reduces the hop count to the wireless network that is connected to the edge.
E. it routes traffic from the wireless mesh to the wired network.
Correct Answer: BD
I think AD. does anyone have a better idea?


Quote

QUESTION 58
A client reports that video is not streaming. The administrator determines the client is connecting at a data rate of 12 Mbps and is trying to stream to a valid
multicast address on the network. What three items should the administrator check next to troubleshoot the issue? (Choose three)
A. IGMP snooping is turned off because the client cannot request to join a group, only access points can.
B. Video-stream for the multicast video is configured in the controller.
C. WLAN has been set for a QoS value of Platinum.
D. WLAN has been configured to allow multicast-direct to work correctly and multicast- direct has been enabled globally.
E. WLAN has been set for a QoS value of Gold.
F. RTSP is used to stream the video due to wireless multicast not using acknowledgements.
Correct Answer: BDE
I'm not expert on Multicast. Someone could certificate that A is not a valid choise?

Quote

QUESTION 77
Which command do you use to ensure that a workgroup bridge can associate and communicate with a non-Cisco AP?
A. AP(config-if)# ssid Corporate
AP(config-ssid)# infrastructure-ssid
B. AP(config-if)# mobile station ignore neighbor-list
C. AP(config-if)# station-role workgroup-bridge universal
D. AP(config-if)# station-role workgroup-bridge multicast mode infrastructure
Correct Answer: A
“Cisco IOS Configuration Guide for Autonomous Cisco Aironet Access Points – Release 15.3(3)JE and later” – Chapter 19
station-role workgroup-bridge [universal mac-address] – To allow the workgroup bridge to successfully associate and communicate with a non-Cisco access point, you can use the universal optional argument. A restriction of this mode is that only one wired client is supported.

Correct answer: C


Quote

QUESTION 94
A customer is concerned that the mesh network will not converge quickly enough because of the 20 percent premium that is given to the selected parent. What is
the purpose of the premium?
A. It speeds up convergence.
B. It uses SNR, regardless of the premium.
C. It prevents link flapping.
D. It creates a list of other potential parents.
Correct Answer: B
Cisco says: "To avoid flapping links, once a MAP determines the best path to the wired network, it adds a 20 percent premium to the chosen link"
So i think is --> C

Quote

QUESTION 98
Clients at a remote FlexConnect site with ID 338789750 are experiencing poor roaming despite the fact that Cisco Centralized Key Management is enabled on
the SSID. Which FlexConnect feature must be configured to resolve this issue?
A. local authentication
B. central switching
C. learn client IP address
D. FlexConnect group
Correct Answer: D
Flex connect feature is FC Group? Have sense?
Maybe A local auth?

Quote

QUESTION 99
An engineer must create data-link redundancy for the company Cisco Wireless LAN Controller. The engineer has decided to configure LAG-based redundancy
instead of port-based redundancy. Which three features of LAG-based redundancy helped steer this decision? (Choose three.)
A. All interface traffic passes as long as one port is up.
B. Multiple untagged dynamic interfaces on same port.
C. Interface connection to two separate non-stacked switches.
D. Packets are always sent out on the same port they are received on.
E. Full bandwidth of all links available.
F. Ports are grouped into multiple LAGs.
Correct Answer: ADF
WLC cannot have Multiple LAGs = there is only one port channel. So F is not corrent for sure.
I think correct is ADE

Quote

QUESTION 118
A customer called with a requirement that internal clients must be on different subnets depending on the building they are in. All access points are operating in
local mode and will not be modified, and this is a single controller solution. Which configuration change creates the desired result?
A. Set the SSID to the desired VLAN under WLANs, configure 802.1x ACS to assign the correct VLAN based on the SSID the client is authenticating from.
B. Create AP groups for each desired location, map the correct VLANs to the internal SSID, and add the access point for that location.
C. Configure the access point in the FlexConnect mode and set the correct VLAN to SSID mapping based on location.
D. Create mobility anchors for the SSID, and on the controller under the internal SSID, create a foreign map to the desired VLAN based on location.
Correct Answer: A
Same SSID, different building = different AP Group = different SSID/Interface-VLAN Mapping. How can ACS know if the client are in different building? Different SSID?
Probably B?

Edited by sk4tto, 10 December 2018 - 12:52 PM.


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#3 Nydo89

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Posted 10 December 2018 - 11:51 AM

Hi sk4tto,

good post there. As I am also preparing for the exam I found these mistakes in the questions too.
I agree with your answers and am confused about Q25 also.


Q98 has to bee Flexconnect Groups. Reading the CCKM Documentation I found this:
CCKM FlexConnect – Works across APs in the same FlexConnect group.
So the APs only can do proper Roaming using CCKM when they are in the same Flex Group.

Q99 - agree!

Q118 - still reviewing. There can be a solution using ACS. But AP Groups would make more sense. Define different Interfaces and map these via AP Groups to the specific building. That´s how I would implement it. Not sure if this is the right approach they want to see here.

Also I found another question (Q78) regarding the update process for Flex APs.
I guess the answers there are:
- only one AP downloaded the upgrade image over the WAN Link
- A slave AP eventually downloads the image from the WLC, if the master AP is unavailable

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#4 genius92

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Posted 21 December 2018 - 04:48 PM

17. A network engineer observes a spike in controller CPU overhead and overall network utilization after enabling multicast on a controller with 500 APs.
What feature is necessary to correct the issue?
A. controller IGMP snooping
B. unicast AP Multicast Mode
C. broadcast forwarding
D. multicast AP Multicast Mode

Answer would be D- AP multicase mode - Multicast

#5 genius92

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Posted 21 December 2018 - 06:05 PM

QUESTION 110
An engineer has enabled FlexConnect AP Upgrade for a FlexConnect group, but did not manually select any master APs. Which AP receives the update directly
from the controller when a FlexConnect Upgrade is initiated?
A. one AP with the lowest MAC address in each subnet in the group
B. one AP of each model with the lowest MAC address in the group
C. one AP with the lowest MAC address in the group
D. one AP with the highest MAC address in the group

Answer should be B, as per guide


  • A FlexConnect group can have one master AP per AP model. If a master AP is not selected manually, the AP that has the least MAC address value is automatically chosen as the master AP for that model.


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#6 maximiulian

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Posted 13 February 2019 - 02:18 PM

Can anyone share dump with 300-365 exam?




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