VMware Certified Professional 5 – Data Center Virtualization for Instructors
Question No: 61 – (Topic 2)
Which is an important benefit provided by VLANs?
Reduced hardware requirements
Increased broadcast traffic
Increased security on a network segment
Answer: A Explanation:
VLANs are virtual local area networks. They significantly reduce costs by saving money that can be spent on the purchase of switches, hubs and routers.
Question No: 62 – (Topic 2)
When deploying an OVF template, the resulting virtual disk is created in what file format?
Reference: http://www.vmware.com/technical-resources/virtualization-topics/virtual- appliances/ovf.html
Question No: 63 – (Topic 2)
Assuming that VLANs are not configured, what is true about traffic from a virtual machine connected to a port group on a vSphere Standard Switch with no uplinks?
The virtual switch will drop the packets if no uplink is present.
Virtual machines on any vSphere Standard Switch on the same ESXi host can receive the traffic.
Virtual machines in any port group on the virtual switch can monitor all of the traffic.
vMotion will not migrate any Virtual machines connected to a port group on the virtual switch.
Reference: http://www.vmware.com/pdf/vsphere4/r40/vsp_40_esx_server_config.pdf (page 22, bulleted # 9)
Question No: 64 – (Topic 2)
An administrator is enabling Network I/O Control (NIOC) on a vSphere Distributed Switch. Which types of network traffic can be prioritized with NIOC by default? (Choose three.)
Virtual Machine Traffic By Virtual Machine
vSphere Replication (VR) Traffic
Reference: http://www.vmware.com/products/datacenter-virtualization/vsphere/network-io- control.html#techinical
Question No: 65 – (Topic 2)
When an explicit failover order has been configured on a virtual switch with multiple uplinks, what determines which uplink is used when a failover event occurs?
The first available uplink that reports a positive link state
The reported uptime for the surviving uplinks
The next available uplink on the list
The uplink with the shortest route
Answer: C Explanation:
The next uplink is used logically when a failover event occurs. The next available uplink on the list will be the new uplink.
Question No: 66 – (Topic 2)
When PSA is coordinating the VMware NMP and any installed third-party MPPs, the MPPs perform which task?
Implement logical device bandwidth sharing
Handle I/O queueing to the logical devices
Provide logical device and physical path I/O statistics
Manage physical path claiming and unclaiming
Reference: http://pubs.vmware.com/vsphere-4-esxi-installable- vcenter/index.jsp?topic=/com.vmware.vsphere.esxi_server_config.doc_41/esx_san_config/ common/c_vmware_pluggable_storage_architecture.html
Question No: 67 – (Topic 2)
When creating a dvPort group, which port binding option assigns a port to a virtual machine when the virtual machine is first powered on?
Reference: http://simongreaves.co.uk/blog/distributed-virtual-switch-guide (see port bindings, dynamic)
Question No: 68 – (Topic 2)
In vSphere, a bound physical NIC can be configured to transmit and receive jumbo frames. What is the default maximum transmission unit (MTU) in vSphere?
Reference: http://www.experts-exchange.com/Software/VMWare/A_9132-HOW-TO- Enable-Jumbo-Frames-on-a-VMware-vSphere-Hypervisor-ESXi-5-0-host-server-using-the- VMware-vSphere-Client.html (search for default MTU (Frame) size)
Question No: 69 – (Topic 2)
On which two vSphere elements can traffic shaping be configured? (Choose two.)
On a vSphere Distributed Switch dvPort for inbound and/or outbound traffic
On a vSphere Distributed Switch for inbound and/or outbound traffic
On a vSphere Standard Switch port group or the entire vSwitch for inbound traffic
On a vSphere Standard Switch port group or the entire vSwitch for inbound and outbound traffic
Reference: http://pubs.vmware.com/vsphere-4-esxi-installable- vcenter/topic/com.vmware.vsphere.esxi_server_config.doc_41/esx_server_config/advance d_networking/t_edit_dvport_policy_traffic_shaping.html
Question No: 70 – (Topic 2)
What would be a valid reason to enable traffic shaping?
Limiting the bandwidth of a FTP server
Restricting the load on a IDS server
Limiting the bandwidth used by an independent hardware iSCSI adapter
Improving the performance of a CPU-intensive application server
Answer: A Explanation:
By limiting the bandwidth of a FTP server, you can enable traffic shaping.
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