Refer to the exhibit.
Which links can be combined in the same link aggregation?
- A . Links 3 and 4
- B . Links 3 and 5
- C . Links 3 and 6
- D . Links 4 and 6
A
Explanation:
We can also aggregate link 5 and 6
Which privilege level would a network administrator use to configure an ArubaOS switch?
- A . Administrator
- B . Manager
- C . Super
- D . User
Refer to the exhibit.
The network administrator enters this command:
Switch# reload
Which software and configuration file will load?
- A . software version KA.16.01 and config3
- B . software version KA.15.15 and config2
- C . software version KA.15.15 and config3
- D . software version KA.16.01 and config1
Refer to the exhibit.
A network administrator executes this command on an ArubaOS switch, Switch-2:
Switch-2(config)# ip route 10.1.100.0/24 10.1.1.1
The administrator successfully pings Device 1 at 10.1.100.42 from Switch-2.
However, Device 2 cannot ping Device 1. The administrator confirms that Device 1 is correctly set up.
What should the administrator check on Switch-2 to resolve this issue?
- A . that ARP proxy is enabled
- B . that IP routing is enabled
- C . that spanning tree is disabled
- D . that ICMP is enabled
Refer to the exhibit.
What should the network administrator do to permit Switch-1 to route traffic from a client in 10.1.11.0/24 to a client in 10.1.12.0/24?
- A . Enable proxy ARP.
- B . Enable IP routing.
- C . Configure a static route to 10.1.11.0/24 and a static route to 10.1.12.0/24.
- D . Enable OSPF routing on VLAN 11 and on VLAN 12 in the same area.
How many operating system image files can a network administrator load on an ArubaOS switch?
- A . two
- B . three
- C . four
- D . unlimited
Refer to the exhibit.
Originally, all four switches had the same region configuration. VLAN 14 was added to Switch_D and then mapped to instance 2.
How does this affect the MSTP topology?
- A . Load sharing is lost, one of the uplinks is blocked for all traffic on Switch_C and Switch_D.
- B . Load sharing is lost, one of the uplinks is blocked for all traffic on Switch_D
- C . All connectivity is lost, both uplinks are blocked on Switch_D.
- D . A Layer 2 loop exists and will cause sporadic connectivity issues.
Refer to the exhibit.
The network administrator wants to place contractor clients and employee clients in different broadcast domains.
How should the administrator achieve this goal?
- A . Add a router in between Switch 1 and Switch 2. Configure a different subnet on each router interface.
- B . Create two MSTP instances on each switch. Assign ports connected to contractor clients to one instance and ports connected to employee clients to the other instance.
- C . Assign the switch ports connected to contractor clients to one VLAN and ports connected to employee clients to another VLAN. Extend the VLANs between the switches.
- D . Create two device profiles. Apply one profile to ports connected to contractor clients, and apply the other profile to ports connected to employee clients.
Refer to the exhibit.
All of the switches shown in the exhibit are ArubaOS switches.
Where should the network administrator configure an IP helper address of 10.1.1.10?
- A . on VLAN 2 on Switch-1
- B . on VLAN 2 on Switch-3
- C . on VLAN 1 on Switch-1
- D . on VLAN 1 on Switch-2
What is the relationship between a wireless client’s data rate and the throughput for the client’s traffic?
- A . The throughput is 90 percent of the data rate.
- B . The throughput is equal to the data rate multiplied by the connection time, minus the headers’ bytes.
- C . The throughput is less than the data rate and also depends on factors such as number of clients in the cell.
- D . The data rate and the throughput are equivalent.
Refer to the exhibit.
The network consists of two ArubaOS switches with routing disabled.
How should the network administrator configure the link between Switch A and Switch B to ensure that all hosts can communicate to all the other hosts within their respective VLANs?
- A . tagged for VLAN 20 and tagged for VLAN 30
- B . untagged for VLAN 10 and tagged for VLAN 30
- C . tagged for VLAN 10 and tagged for VLAN 20
- D . untagged for VLAN 10, untagged for VLAN 20, and tagged for VLAN 30
A company has ArubaOS switches that are already configured to support the network. The company now wants to use Aruba AirWave to manage the switches. The network administrator creates a new group on Aruba AirWave, and then discovers several ArubaOS switches that should belong to this group.
What is the best practice for the initial authorization of the switches in AirWave?
- A . Authorize the switches in Monitor + Firmware Updates only mode.
- B . Authorize the switches and immediately change the scan set credentials to match the credentials on the switches.
- C . Authorize the switches and immediately change the global communication settings to match the credentials on the switches.
- D . Authorize the switches in Managed Read/Write mode.
Refer to the exhibit.
A company has an existing Aruba Instant cluster with several Instant APs (IAPs), as shown in the exhibit. The network administrator orders a new IAP and boots it for the first time by connecting it to the PoE switch port shown in the exhibit.
What happens after the IAP boots?
- A . The IAP attempts to contact AirWave. If it is able to reach AirWave and obtain the current VC (master) IP address, it joins the cluster.
- B . The IAP fails to join the cluster because the administrator has not yet connected to its Instant SSID and provisioned it.
- C . The IAP undergoes an election process with the current VC (master). It takes the VC role if it has a higher MAC address unless the current VC is configured as the preferred VC.
- D . The IAP hears the messages from the current VC (master), and it joins the cluster without the occurrence of a new election.
A network administrator configures MSTP on an ArubaOS switch. The administrator wants to ensure that this switch is always the root for instance 1.
What should the administrator do to accomplish this?
- A . Specify priority 15 for spanning tree instance 1.
- B . Specify spanning tree cost 0 on all switch ports that connect to other switches that use instance 1.
- C . Specify priority 0 for spanning tree instance 1.
- D . Specify spanning tree cost 15 on all switch ports that connect to other switches that use instance 1.
A retail company needs a quick way to deploy network infrastructure to new sites.
Which Aruba solutions provide Zero Touch Provisioning (ZTP) for Aruba Instant APs (IAPs) and ArubaOS switches?
- A . Aruba AirWave and Aruba Activate
- B . Aruba Meridian and Aruba ALE
- C . Aruba AirWave and Aruba Central
- D . Aruba Activate and Aruba Meridian
Refer to the exhibit. Exhibit 1.
Exhibit 2.
The administrator enters the show spanning-treeinstance 2 command on Switch-3 and sees the output shown in Exhibit 2.
What could explain the output results?
- A . Switch-1 has a lower MAC address than Switch-2.
- B . Switch-1 has a higher MAC address than Switch-2.
- C . Switch-3 filters BPDUs on port 26.
- D . Switch-3 has incompatible MSTP region settings with other switches.
Managers log in to an ArubaOS switch with SSH.
What does SSH require to authenticate the switch to the SSH client and set up a secure session?
- A . an SSH authorized user key, managed by the ip ssh public-key commands
- B . a username and password set with the password manager command
- C . an SSH key, managed by the crypto key sscommands.
- D . a self-signed certificate configured with the crypto key commands
B
Explanation:
Reference: http://h20564.www2.hpe.com/hpsc/doc/public/display?docId=mmr_kc-0134172
A network administrator needs to configure a link aggregation on an ArubaOS switch.
For which type of link aggregation is the administrator required to enter the lacp command in the interface context?
- A . a distributed LACP link aggregation
- B . a dynamic LACP link aggregation
- C . a static LACP link aggregation
- D . a manual LACP link aggregation
B
Explanation:
Reference: http://www.arubanetworks.com/techdocs/ArubaOS_60/UserGuide/LACP.php
Refer to the exhibit.
Spanning tree runs on the switches shown in the exhibit.
The network administrator enters these two commands:
Switch-1(config)# spanning-tree priority 0
Switch-2(config)# spanning-tree priority 1
The other switches use the default spanning tree priorities. The administrator enters the show spanning-treecommand on Switch-2.
If the configuration is correct, which roles will the output show?
- A . A1 = Designated A2 = Alternate A3 = Alternate
- B . A1 = Root A2 = Designated A3 = Designated
- C . A1 = Designated A2 = Designated A3 = Designated
- D . A1 = Root A2 = Alternate A3 = Alternate
B
Explanation:
Reference: http://www.arubanetworks.com/techdocs/ArubaOS_61/ArubaOS_61_CLI/spanning-tree (Global).htm
Refer to the exhibit.
The network administrator enters this command:
Switch(config)# ip route 172.16.2.0/30 192.168.1.100 metric 1 distance 1
Why does this route fail to appear in the IP routing table?
- A . Its prefix length is invalid.
- B . Its next hop is unreachable.
- C . Its administrative distance is the same as an existing static route.
- D . Its metric is the same as an existing static route.
Refer to the exhibit. Exhibit 1.
Exhibit 2.
Which devices can communicate with each other at Layer 2?
- A . Devices 1 and 2 can communicate at Layer 2; Devices 3 and 4 can communicate at Layer 2.
- B . Devices 2 and 3 can communicate at Layer 2.
- C . Devices 1 and 4 can communicate at Layer 2.
- D . Devices 1 and 4 can communicate at Layer 2; Devices 2 and 3 can communicate at Layer 2.
Refer to the exhibit. Exhibit 1.
Exhibit 2.
Which devices can communicate with each other at Layer 2?
- A . Devices 1 and 2 can communicate at Layer 2; Devices 3 and 4 can communicate at Layer 2.
- B . Devices 2 and 3 can communicate at Layer 2.
- C . Devices 1 and 4 can communicate at Layer 2.
- D . Devices 1 and 4 can communicate at Layer 2; Devices 2 and 3 can communicate at Layer 2.
168.1.5.
B. On Switch-1, Switch-2, and Switch-3, change the next hop in each static route to specify an IP address that exists on that switch.
C. On Switch-1, raise the administrative distance for the second route to 192.168.3.0/24; on Switch-2, raise the administrative distance for the second route to 192.168.2.0/24
D. On Switch-1, add a route to 192.168.1.8/30 through 192.168.0.3; on Switch-2, add a route to 192.168.1.4/30 through 192.168.1.1; on Switch-3, add a route to 192.168.1.0/30 through 192.169.1.4.
E. On Switch-1, add a route to 192.168.1.8/30 through 192.168.1.2; on Switch-2, add a route to 192.168.1.4/30 through 192.168.1.1; on Switch-3, add a route to 192.168.1.0/30 through 192.168.1.4.
A network administrator plans to set up a WLAN on an Aruba Instant cluster. The WLAN uses WPA/WPA2 Enterprise security. The administrator wants no authenticate users locally on the cluster.
How should the administrator configure me credentials?
- A . Add a user account for each employee to the cluster internal server database.
- B . Import authorized device MAC addresses to the cluster.
- C . Implement a shared secret or password in the cluster WLAN settings.
- D . Set up an external RADIUS server for authorization.
How does a switch treat a link aggregation?
- A . The switch treats the link aggregation as one logical link for spanning tree, but it learns MAC addresses separately on each individual interface within the aggregation.
- B . The switch treats the link aggregation as one logical link. It assigns one spanning tree port role to the link aggregation, and it learns MAC addresses on the aggregation.
- C . The switch treats the link aggregation as one logical link for MAC learning, but it assigns an individual spanning tree port role to each interface within the aggregation.
- D . The switch treats each interface within the interface as a separate entity for MAC address learning; it also assigns an individual spanning tree port role to each interface.
A network administrator needs to configure a static route.
What should the administrator use as the next hop address?
- A . the lowest IP address on the neighboring router in the path towards its destination
- B . the IP address on the local interface that is used to egress traffic towards its destination
- C . the IP address of the default gateway in the destination subnet
- D . the IP address on the connected interface of a neighboring router in the path towards its destination
A network administrator just received two switches and wants to use the plug-and-play method to establish a Virtual Switching Framework (VSF) fabric with the fewest steps possible.
What must the administrator do to establish the fabric in this way?
- A . Configure a VSF link on the commander, and enable VSF on the standby member.
- B . Configure a VSF link on the commander, and enable VSF on the commander.
- C . Enable VSF on both me commander and the standby member.
- D . Configure a VSF link on both the commander and the standby member.
B
Explanation:
Reference: https://community.arubanetworks.com/aruba/attachments/aruba/WiredNetworks/209/1/ArubaOS%20VSF%20Configuration%20Guide.pdf#%5B%7B%22num%22%3A25%2C%22gen%22%3A0%7D%2C%7B%22name%22%3A%22XYZ%22%7D%2C69%2C237%2C0%5D
Refer to the exhibit.
Exhibit 1.
Exhibit 2.
Assume that Switch-2 is correctly configured for OSPF.
Which additional step must the administrator take to enable Switch-1 to advertise 192.168.2.0/24 to Switch-2?
- A . Set a router ID on Switch-1.
- B . Configure a route to advertise 192.168.2.0/24 on Switch-1.
- C . Add Switch-2’s router ID to Switch-1’s OSPF neighbor list.
- D . Enable OSPF on VLAN 2.
Which type of 802.11 wireless network can be hosted by an endpoint device such as a laptop?
- A . a wireless distribution system
- B . an ad hoc network
- C . a wireless mesh or bridge
- D . an infrastructure network
What is one benefit that Aruba AirWave can provide to a customer with ArubaOS switches?
- A . It can audit switch firmware (software) and automate updates.
- B . It can enable the switches to provide mobility controller functions for connected Instant APs (IAPs).
- C . It can provide centralized authentication and authorization for users who log in to the switch CLI.
- D . It can program the switches to dynamically adjust QoS settings to prioritize Skype for Business traffic.
A
Explanation:
Reference: https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0ahUKEwjKxOev5JfUAhXGLI8KHVYWDvEQFggnMAA&url=http%3A%2F%2Fwww.arubanetworks.com%2Fassets%2Fds%2FDS_AW.pdf&usg=AFQjCNG2mDuwxsqBI8MHZoKPpteQmEJ71g&sig2=r3FEvyQVngpJKqQVzkIOA&cad=rja
An ArubaOS switch operates at its factory default settings. A network administrator connects the switch to a VLAN with a DHCP server. The switch-to-switch connection carries untagged traffic. The administrator wants to use Telnet log in to the switch CLI.
How should the administrator contact the switch and log in?
- A . Contact the switch at its default IP address 172.16.0.254/24 and log in without entering a password.
- B . Contact the switch at its default IP address 192.168.1.1/24 and log in with me default password admin.
- C . Contact the switch at its DHCP-assigned IP address and log in without entering a password.
- D . Contact the switch at its DHCP-assigned IP address and log in with the default password aruba.
Refer to the exhibit.
A network administrator views the configuration files on an ArubaOS switch and sees the output in the exhibit. The administrator enters this command:
Switch# boot system flash primary config config2
After the switch boots, the administrator makes some configuration changes and saves the configuration with the write memory command.
The administrator then enters this command:
Switch# boot
After the switch boots, the configuration changes just made are not present.
How can the administrator restore the configuration with the changes?
- A . Use the boot set-default command to configure the switch to use the secondary software. Then reboot the switch.
- B . Reboot the switch and interrupt the boot process. Find the temporary file with the configuration changes and apply that file to the startup-config.
- C . Rename the config2 file to config1. Then reboot the switch.
- D . Use the startup-default command to configure the switch to use the config2 file with the primary software. Then reboot the switch.
For which task does a network administrator need to access the enable context on an ArubaOS switch?
- A . to view interface statistics
- B . to view CPU statistics
- C . to ping an IP address
- D . to view configuration files
A network administrator prepares an ArubaOS switch to be monitored and managed by AirWave.
Which credentials are required for AirWave to change configuration settings on the switch?
- A . RADIUS shared secret
- B . SNMPv2c community with manager unrestricted privileges
- C . Telnet or SSH password
- D . SNMPv3c user in the ManagerPriv group
A company has an Aruba 5400R switch, switch 1, at the network core of its campus. This switch routes all traffic for the campus and is the RSTP root. The company now wants to add another Aruba 5400R switch to the core in order to enhance resiliency. The company wants to use the option that provides the best Layer 2 and Layer 3 resiliency and also the simplest setup.
What should the administrator do to add the new 5400R switch?
- A . Add the new switch and migrate to MSTP with two instances.
- B . Add the new switch and set up OSPF on all switches.
- C . Add the new switch as a secondary root bridge in RSTP.
- D . Add the new switch as a standby member in a VSF fabric with switch 1.
Which settings should match on physical interfaces before a network combines them in a link aggregation?
- A . speed and duplex mode
- B . DSCP and media
- C . speed and VLANs
- D . LLDP TLVs and VLAns
Two switches are members of a Virtual Switching Framework (VSF) fabric.
Which statement correctly describes how the switches handle routing?
- A . Only the commander runs routing protocols and builds the IP routing table, but it programs the standby member to route traffic.
- B . Both members build their own IP routing tables, which they synchronize. Only static IP routing is supported with VSF.
- C . Only the commander runs routing protocols and builds the IP routing table, and all routed traffic must pass through the commander.
- D . Both members run routing protocols and build their own IP routing tables, and they synchronize the tables over VSF links.
A server connects to a port on an ArubaOS switch. The network administrator wants to ensure that the port remains forwarding during MSTP topology changes, and changes in the port status do not cause MSTP topology changes.
Which statement describes how the administrator can accomplish this?
- A . The administrator can accept the default behavior of auto-edge.
- B . The administrator can lower the port’s root path cost to zero.
- C . The administrator can manually disable STP on the edge port.
- D . The administrator can configure the port as an MSTP master port.
Refer to the exhibit.
Endpoint A sends broadcast ARP requests.
Where are these requests received?
- A . at EndpointC
- B . at EndpointB
- C . at EndpointB, at EndpointC, and at EndpointD
- D . at EndpointB and at EndpointC
A network administrator wants to be able to access an Aruba Instant cluster at the same IP address even if the current master fails.
How can the administrator achieve this goal?
- A . Configure a VC IP address that is a reserved IP address in the AP’s subnet.
- B . Configure the AirWave IP address in the instant cluster System > Admin settings.
- C . Assign static IP addresses, rather than DHCP ones, to all APs in the instant cluster.
- D . Assign a static IP addresses, rather than a DHCP one, to the AP that is elected master.
A network administrator discovers and then authorizes several ArubaOS switches in Aruba AirWave. Immediately after the administrator authorizes the switches, AirWave cannot communicate with the switches anymore.
What should the administrator do to restore communication?
- A . Change the SNMP and Telnet/SSH credentials in the AirWave global communication settings to match those on the switches.
- B . Change the management level for the switches to Monitoring and Firmware Updates Only.
- C . Specify the SNMP and Telnet/SSH credentials on the switches to update the individual communication settings on the switches.
- D . Change the management level for the switches to Manage Read/Write.