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NEW QUESTION 56
Exhibit
Switch-1 and Switch-2 connect on interface A23. The Switches experience a connectivity issue. The network administrator sees that both Switches show this interface as up. The administrator sees the output shown in the exhibit on Switch-1.
What is a typical issue that could cause this output?
- A. An issue with VLAN ID mismatch
- B. Mismatched subnet mask on the VLAN for the link
- C. Asymmetric routing introduced by a routing protocol
- D. A jumbo frame mismatch
Answer: C
NEW QUESTION 57
An AOS-Switch needs to be configured to support tunneled node in role-based mode. The Mobility Controller administrators tell the switch administrators that the AOS-Switch will integrate with a cluster of Mobility Controllers. The Cluster virtual IP address is 10.1.1.10.
How should switch administrators integrate the AOS-Switch with the cluster?
- A. Configure the virtual IP address for the primary tunneled-node-server and an actual controller IP address for the backup tunneled-node-server in order to receive redundancy.
- B. Configure the virtual IP address as the tunneled-node-server address: The switch will automatically learn controller IP addresses to which to tunnel various traffic.
- C. Configure the virtual IP address as the tunneled-node-server address: tunneled node will not, but the clustering features will not provide redundancy.
- D. Double-check the settings with the Mobility Controller administrators because the planned configuration is incompatible with the switch settings.
Answer: D
NEW QUESTION 58
Refer to the exhibit.
A network administrator wants to add the protections of root guard to the network. Based on the spanning tree topology, on which ports should the network administrator implement root guard?
- A. 1 and 2
- B. 3-24
- C. A1 and A2
- D. 2 and A3
Answer: C
Explanation:
Explanation/Reference:
NEW QUESTION 59
Refer to the exhibit.
Switch-1 is an AOS-switch that is operating at factory default settings for QoS and has type of service disabled. It receives a frame with 802.1p value 5 on trk1, on VLAN 2. How does the switch treat the frame when it forwards it on TRK2?
- A. It forwards it with normal priority and 802.1p 0.
- B. It forwards it with higher than normal priority and 802.1p 0.
- C. It forwards it with normal priority and 802.1p 5
- D. It forwards it with higher than normal priority and 802.1p 5.
Answer: C
NEW QUESTION 60
Refer to the exhibit.
A network administrator sets up prioritization for an application that runs between Device 1 and Device 2. However, the QoS for the application is not what the administrator expects.
How can the administrator check if the network infrastructure prioritizes traffic from Device
1 and Device 2?
- A. Clear interface statistics on the switches. Then, run the application and check the interface queue statistics for the switch-to-switch links.
- B. Set up RMON alarms on the switches that trigger when a high number of packets are dropped. Then, run the application and check for the alarm.
- C. Run a packet capture on Device 2, run the application, and look in the packet capture for a high value DSCP in the IP header.
- D. Run a packet capture on Device 1, run the application, and look in the packet capture for a high value DSCP in the IP header.
Answer: C
NEW QUESTION 61
AOS-Switches authenticate guests to ClearPass with captive portal. When guests first connect their device to the network, they are redirected to a captive portal in which they log in. ClearPass then stores the guest MAC addresses, and the guests are permitted access. Due to a conflict, the network administrator needs to change the dynamic authorization port, port 3799 on Aruba ClearPass.
If the administrator forgets to also change the port on one of the AOS-Switches, what will be one symptom?
- A. Guests are redirected to the system listening on port 3799
- B. Some guests receive full access to the network when they first connect instead of being redirected to the portal page
- C. When some guests successfully authenticate in the captive portal, they are redirected back to the portal page
- D. Some guests are unable to reach the captive portal page. Instead, they receive no access at all
Answer: D
NEW QUESTION 62
Refer to the exhibit.
The exhibit shows configurations for interface 5 and VLAN 20. Note that DHCP snooping and ARP protection are also enabled.
A network administrator finds that interface 5 on an AOS-Switch is disabled. The administrator re-enables the interface, but it shuts down again. What should the administrator investigate?
- A. a device that sends unauthorized ARP messages
- B. rogue DHCP server
- C. a loop on the interface
- D. a device that sends too much unicast traffic
Answer: C
NEW QUESTION 63
Refer to the exhibits.
Exhibit 1
Exhibit 2
Switch-1 and Switch-2 lost IP connectivity with each other. They did not detect the issue for several seconds and caused a temporary traffic disruption. The administrations expected failover to the backup route through Switch-3 to occur in less than a second. The administrators restore the failed link and view the output on Switch-1, shown in the exhibit.
What should they do to create the expected behavior if connectivity is lost again?
- A. Lower the hello timer to a given range of times on each OSPF routing switch in VLAN 100
- B. Set a BFD echo source IP address on each OSPF routing switch in VLAN 100
- C. Manually configure the network type as point-to-point on each OPSF routing switch in VLAN 100
- D. Enable BFD in asynchronous mode on each OSPF routing switch in VLAN 100
Answer: D
NEW QUESTION 64
Which technologies can prevent split brain in a VSF fabric that includes Aruba 2930F switches?
- A. ARP MAD or OOBM MAD
- B. VLAN MAD or ARP MAD
- C. LLDP MAD or VLAN MAD
- D. OOBM MAD or LLDP MAD
Answer: C
NEW QUESTION 65
Refer to the exhibits.
Exhibit 2
The network administrator configures the commands shown in Exhibit 2. Which mismatch will cause an issue?
- A. the mismatch between the key-strings in the chains for VLAN 10 and VLAN 11 on Switch-1
- B. the mismatch between the key IDs specified in chain10 and chain11 on Switch-1
- C. the mismatch between the key-strings associated with VLAN 10 on Switch-1 and on Switch-2
- D. the mismatch between the chain names associated with VLAN 11 on Switch-1 and on Switch-3
Answer: C
NEW QUESTION 66
What is a reason to implement PIM-DM as opposed to PIM-SM?
- A. to conserve bandwidth over WAN links
- B. to control exactly which multicast groups are routed through the network
- C. to permit a higher density of RP routers in the network core
- D. to use on high-bandwidth routed connections
Answer: D
NEW QUESTION 67
The implementation plan for AOS-Switches calls for to implement port-based tunneled node.
The Aruba Mobility Controllers that will supports the AOS-Switches run software 8.1.
The controllers will also support APs, are managed by Mobility Master, and use clustering.
Which issue with this plan needs to be addressed?
- A. The switches cannot connect to controllers that also support APs.
- B. The controllers must have their software updated before they can support the switches.
- C. The switches must use role-based tunneled node to work with clustering controllers.
- D. The controllers cannot support tunneled node with AOS-Switches when they are managed by the Mobility Master.
Answer: A
NEW QUESTION 68
Refer to the exhibit.
Why are these switches unable to achieve adjacency?
- A. The area range is incorrect on Switch-1 and missing on Switch-2.
- B. Switch-1 and Switch-2 use different area types for Area 1.
- C. Switch-2 does not support every area that Switch-1 does.
- D. They have the same priority and cannot elect a Designated Router (DR).
Answer: B
NEW QUESTION 69
Refer to the exhibits.
Exhibit 1.
Exhibit 2.
The exhibits show the current operational state for routes on Switch-3. The company wants Switch-3 to prefer the link to Switch-1 over the link to Switch-2 for all intra-area, inter-area, and external traffic.
What can the network administrator do to achieve this goal?
- A. Set the OSPF cost on VLAN 108 higher than 1 on Switch-2 and Switch-3.
- B. Set the OSPF administrative distance on Switch-2 higher than 110.
- C. Set the OSPF area type to normal on all of the switches in Area 1.
- D. Set the cost in the OSPF Area 1 stub command higher than 1 on Switch-2.
Answer: D
NEW QUESTION 70
Refer to the exhibit.
The exhibit shows configurations for interface 5 and VLAN 20. Note that DHCP snooping and ARP protection are also enabled.
A network administrator finds that interface 5 on an AOS-Switch is disabled. The administrator re-enables the interface, but it shuts down again. What should the administrator investigate?
- A. a device that sends unauthorized ARP messages
- B. rogue DHCP server
- C. a loop on the interface
- D. a device that sends too much unicast traffic
Answer: C
NEW QUESTION 71
Refer to the exhibit.
Why are these switches unable to achieve adjacency?
- A. The area range is incorrect on Switch-1 and missing on Switch-2.
- B. Switch-1 and Switch-2 use different area types for Area 1.
- C. Switch-2 does not support every area that Switch-1 does.
- D. They have the same priority and cannot elect a Designated Router (DR).
Answer: B
NEW QUESTION 72
Refer to the exhibits.
Exhibit 1
Exhibit 2
Traffic between servers in Area 1 takes a sub-optimal path rather than the link dedicated to VLAN 1000, subnet
10.0.0.0/30. Based on the exhibits, what can administrators do to create a better path for this traffic?
- A. Add a virtual OSPF link between Switch-1 and Switch-2.
- B. Make sure that OSPF is enabled in Area 0 on VLAN 1000 on both Switch-1 and Switch-2.
- C. Decrease the OSPF cost on the VLAN 1000 interface on Switch-1 and Switch-2.
- D. Add a VLAN in OSPF Area 1 on the link between Switch-1 and Switch-2.
Answer: D
NEW QUESTION 73
Refer to the exhibit.
A company has IP phones that are LLDP-MED capable. The exhibit shows the configuration for the VLAN to which IP phones belong, as well as the configuration for ports to which phones will connect. AOS-Switches at the access layer are set up to use LLDP-MED. The administrator wants to automatically provision the phones to send traffic with the right VLAN tag and priority.
Which additional configuration step must the administrator complete?
- A. Specify the voice setting in VLAN 3
- B. Enable LMA and configure the proper LMA profiles
- C. Enable 802.1X and MAC-based VLANs on the ports
- D. Specify LLDP-MED as the global LLDP mode
Answer: A
NEW QUESTION 74
Refer to the exhibit.
Why are these switches unable to achieve adjacency?
- A. The area range is incorrect on Switch-1 and missing on Switch-2.
- B. Switch-1 and Switch-2 use different area types for Area 1.
- C. Switch-2 does not support every area that Switch-1 does.
- D. They have the same priority and cannot elect a Designated Router (DR).
Answer: B
NEW QUESTION 75
Refer to the exhibit.
The exhibit shows configurations for interface 5 and VLAN 20. Note that DHCP snooping and ARP protection are also enabled.
A network administrator finds that interface 5 on an AOS-Switch is disabled. The administrator re-enables the interface, but it shuts down again. What should the administrator investigate?
- A. a device that sends unauthorized ARP messages
- B. rogue DHCP server
- C. a loop on the interface
- D. a device that sends too much unicast traffic
Answer: C
NEW QUESTION 76
Exhibit
AOS-Switches will enforce 802.1X authentication on edge ports.
The company has tow RADIUS server, which are meant to provide redundancy and load sharing of requests.
The exhibit shows the planned RADIUS settlings to deploy to the switches.
What should customer understand about this plan?
- A. Dynamic authorization is only permitted on one of the RADIUS server and must be remove from the other.
- B. AOS switches do not support two RADIU server for redundancy, instead, a secondary authentication method is required.
- C. Each AOS-Switch will send all RADIUS requests to the first server on the list unless that server becomes unreachable.
- D. Each RADIUS server must use a unique port number for the authentication and dynamic authorization port.
Answer: C
NEW QUESTION 77
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