Friday, August 15, 2008

VCP 310 Questions and Answers (9)

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41. It appears that a virtual machine (VM) is having performance problems because it does not have enough CPU resources available.Which of the following methods could be used to guarantee a VM gets 100% of a CPU on the host when it needs it?(Choose Two)
A. set the CPU limit for this VM to 100%
B. set CPU affinity on that virtual machine , pinning it to a CPU 1
C. set the CPU reservation for this VM to 100%
D. set CPU affinity on that VM , pinning it to CPU 1 and set CPU affinity on all other VMs so that they specifically cannot use CPU 1
Answer: C D

42. How many paths to a LLUN can be simultaneously used when Round Robin multi-pathing is enabled?
A. Round Robin can use up to 2 paths simultaneously to send I/O
B. Round Robin can be set to use additional paths simultaneously for every 1000 blocks of I/O transmitted
C. Round Robin will use only one path to send I/O
D. Round Robin can use up to 4 paths simultaneously to send I/O
Answer: C

43. Which is a valid tracffic shaping adjustment?
A. average bandwidth adjusted in kbps
B. maximum bandwidth adjusted in mbps
C. maximum bandwidth adjusted in kbps
D. average bandwidth adjusted in mbps
Answer: A

44. A Windows virtual machine (VM) is experiencing poor application performance .The suspected issue is a lack of available memory. Windows Task Manager shows 30% of the memory within the VM is not currently being used.What does this indicate and could be checked next?
A. The VM has memory available,however it may not actually have physical memory available VMkernel swap activity on the ESX Server host should be checked next.
B. Windows Task Manager is not reading actual memory usage in the VM Windows System Monitor should be used to get a precise reading on memory usage
C. The application problems are definitely due to a non-memory related problem.CPU affinity settings should be checked for this VM.
D. The application problems are definitely due to a non-memory related problem.CPU utilization should be checked next using Windows Task Manager
Answer: A

45. In a VI 3 environment , Iscsi dynamic discovery (Choose TWO)
A. uses “get target “
B. is used along with static discovery on iSCSI software initiators
C. uses “send target “requests
D. is the only discovery option available for Iscsi software initiators
Answer: C D

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