Section 8 – Perform Basic Troubleshooting and Alarm Management
- Objective 8.1 – Perform Basic Troubleshooting for ESX/ESXi Hosts
The VMKcore is used for storing core dumps for Debugging and Technical Support?
The vmkcore partition temporarily stores log and error information should the VMkernel crash.
Guided consolidation shows you the following information after a successful analysis (Choose Two)?
A.CPU Clock Speed
vSphere Basic System Administration vCenter Server 4.0 ESX 4.0 ESXi 4.0, page 95
When analysis is complete, the following information appears:
* Physical Computer – Displays the host name of the physical system being analyzed or imported.
* CPU Info – Displays the number of CPUs and their clock speed.
* Memory Info – Displays the amount of RAM on the system.
* Status – Displays the progress of the analysis.
* Confidence – Indicates the degree to which vCenter Server is able to gather performance data about the system and how good a candidate the system is based on the available data.
* CPU Usage – Displays the system’s average CPU usage over time.
* Memory Usage – Displays the system’s average memory usage over time.
To restart the VMware Host Agent on an ESX Host, which command would you use?
A.service mgmt-vmware restart
B.service vmware-hostd restart
C.service vmware-vpxa restart
D.service mgmt-hostd restart
Restarting the Management agents on an ESX or ESXi Server
To restart the management agents on ESX host:
1. Log in to your ESX Server as root from either an SSH session or directly from the console of the server.
2. Type service mgmt-vmware restart
What is a function of the vmmemctl driver?
A.enables swapping of the virtual machines
B.allows the operation of unsupported guest OS types
C.enables transparent page sharing
D.reclaims unused memory from the guest OS
The vmmemctl driver collaborates with the server to reclaim pages that are considered least valuable by the guest operating system.
An Administrator is troubleshooting an ESX 4.x Host and needs to export diagnostic information. The ESX Host is not managed by a vCenter Server. How can the information be gathered using the vSphere Client?
A.The vSphere Client can only be used to export diagnostic data from an ESX Host managed by vCenter
B.From the Administration navigation, select System Logs, then click the Export System Logs. Select
The ESX Host and click OK
C.From the Administration Drop-Down Menu, select Export Diagnostic Data, select a location and click OK
D.From the vSphere Client, click File, Export and Export System Logs, select a location and click OK
Which of the following resources can be viewed using the vCenter Maps (Choose Two)?
vSphere Client Online Help
The Map Relationships panel contains the following views:
Virtual Machine Resources – Shows relationships between the virtual machines on a host and networks or datastores, depending on the options selected.
Host Resources – Shows relationships between the host and virtual machines, networks or datastores, depending on the options selected.
Datastore Resources – Shows relationships between the datastore and host or virtual machine, depending on the options selected.
Custom Map – Lets you select any combination of relationships other than the host-oriented and virtual machine-oriented options. The Custom Map option is preset with all relationships selected.
By default, if you remove a user from an Active Directory domain who is currently logged in to vCenter Server, which of the following actions is taken?
A.The user is given a warning they are about to be logged out and given a 1 hour grace period
B.The user can remain logged in indefinitely, but once they log out they cannot log back in
C.The user can remain logged in for up to 24 hours
D.The user is logged out of vCenter Server and cannot log back in
If you cannot connect to a standalone ESX Host with the vSphere client, which command would you use to verify that the VMware Host Agent is running (Choose Two)?
B.ps -ef | grep hostd
C.service mgmt-vmware status
Vmware-hostd is the VMware Host Agent.
The screenshots below shows ps -ef | grep hostd being used to confirm the VMware Host Agent is running;
And service mgmt-vmware status used to show the status of the VMware Host Agent daemon.
In order to reach the BIOS of a Virtual Machine (Choose Two)?
A.The System Administration can power on the Virtual Machine and press F2 as the VM starts up
B.The System Administrator can edit the .vmx settings for the Virtual Machine
C.The System Administrator can manually edit the .NVRAM file in the Virtual Machine’s home directory
D.The System Administrator can force the Virtual Machine to boot into the BIOS by changing a Virtual Machine property
Power on the Virtual Machine and press F2 as the VM starts up
Configuring the Virtual Machine to boot into the BIOS by changing a Virtual Machine property.
Using the vSphere Client, which of the following actions can be scheduled through the New Task Wizard (Choose Two)?
A.Create a snapshot of a virtual machine
B.Enter Maintenance Mode
C.Add a host
D.Change the power state of a host