单选题A customer has a requirement to build a 4 node cluster. Disk heartbeating will be used as the non-IP network.What is the maximum number of disk heartbeat point-to-point links one would need to implement in order toachieve the highest level of availabil

题目
单选题
A customer has a requirement to build a 4 node cluster. Disk heartbeating will be used as the non-IP network.What is the maximum number of disk heartbeat point-to-point links one would need to implement in order toachieve the highest level of availability?()
A

4

B

6

C

8

D

12


相似考题
参考答案和解析
正确答案: A
解析: 暂无解析
更多“单选题A customer has a requirement to build a 4 node cluster. Disk heartbeating will be used as the non-IP network.What is the maximum number of disk heartbeat point-to-point links one would need to implement in order toachieve the highest level of availabil”相关问题
  • 第1题:

    During normal cluster processing in a five-node cluster,one of the nodes unexpectedly crashes. A review of the system dump indicates that a DMS timeout has occurred. The cluster is configured to use disk heartbeats as a Point-to-Point network.  What should be done to address the problem with this configuration?()  

    • A、 More disk should be added to the disk heartbeat network,allowing more paths for heartbeats.
    • B、 An RS232 network is required to supply a more robust non-IP network when disk heartbeating is implemented.
    • C、 The network tunable parameters should be changed to allow more missed heartbeats since the disks may be heavily used.
    • D、 An error notification method is required to determine the action to take in response to a failure of the disk heartbeat.

    正确答案:C

  • 第2题:

    An operator just completed a repair to a disk subsystem that contains a disk heartbeat. Before returning the system back into production mode, there is a requirement to verify the disk heartbeat is functioning.  How should the operator determine if the disk heartbeat network functioning?()   

    • A、 Use the clinfo command to monitor the disk heartbeat
    • B、 Use the mail command to check for messages form HACMP
    • C、 Use the dhbread command to verify the disk heartbeat link
    • D、 Use the clstat command to verify the appropriate network connections are available

    正确答案:D

  • 第3题:

    A customer needs maximum performance with fault-tolerance from their disk subsystem. Which RAID level meets this requirement?()

    • A、RAID-0
    • B、RAID-1
    • C、RAID-5
    • D、RAID-10

    正确答案:D

  • 第4题:

    A customer has a requirement for a single AIX LPAR to be highly available. The customer only has enough funding to purchase a single system. Which would be the most critical option to mitigate AIX availability?()

    • A、Dual power supplies.
    • B、Twice the amount of disk.
    • C、Two dual-port LHEA adapters.
    • D、Two dual-port fibre channel adapters.

    正确答案:A

  • 第5题:

    Company.com is migrating from a third party managed disk subsystem to an IBM TotalStorage Enterprise Storage Server. Connection of the new storage server is complete, and it has been tested on all of the nodes in the three node HACMP cluster.  How does the customer migrate to the new storage server with minimum down time?()

    • A、 Shut down one node at a time and let the other node serve the application
    • B、 Stop HACMP with the forced option and perform migration of the disks on one node,then restart HACMP
    • C、 Stop both nodes and perform the migration all at once using standard AIX commands in parallel, then restart the cluster
    • D、 Use C-SPOC to add the new disks to the cluster and migrate the information off the existing disks, then remove the old disks with C-SPOC

    正确答案:D

  • 第6题:

    单选题
    A System p administrator needs to replace a failed internal disk in a mirrored rootvg.  Which of thefollowing is one of the steps that would need to be followed()
    A

    Run cfgmgr

    B

    odmdelete CuAt

    C

    exportvg rootvg

    D

    Deallocate LPs from failed disk


    正确答案: C
    解析: 暂无解析

  • 第7题:

    单选题
    A customer is interested in using two Power 550 servers to implement a new two node cluster. The cluster willbe using SAN attached disk for shared storage and will be attached to one IP network. Which of the followingadapter configurations will meet the customer requirements while reducing single points of failure?()
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    During the initial cluster design,a disk heartbeat,Point-to-Point non-IP network is being planned  as part of a three-node cluster implementation. The disk environment will use LVM mirroring for disk redundancy. The volume groups will be created as Enhanced Concurrent Capable.  To facilitate disk heartbeating,how many disks per node and how many networks will be required?()
    A

     One disk per node,one network

    B

     Two disks per node,one network

    C

     Two disks per node,six networks

    D

     Two disks per node,three networks


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    An operator just completed a repair to a disk subsystem that contains a disk heartbeat. Before returning the system back into production mode, there is a requirement to verify the disk heartbeat is functioning.  How should the operator determine if the disk heartbeat network functioning?()
    A

     Use the clinfo command to monitor the disk heartbeat

    B

     Use the mail command to check for messages form HACMP

    C

     Use the dhbread command to verify the disk heartbeat link

    D

     Use the clstat command to verify the appropriate network connections are available


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    A two-node cluster is attached via SAN to shared disk. The customer has requested that one of  the nodes be moved to another room 300 feet away. However, this distance exceeds the length specified by the RS232 specifications.  What solution would resolve the RS232 specification issue with the fewest additional components?()
    A

     Target mode fiber channel can be used with a SAN solution.

    B

     The heartbeat could be established by using a disk heartbeat.

    C

     An RS232 line driver can be used to extend the existing serial connection.

    D

     The NIM for the serial connection can be altered to compensate for the additional delay caused by the increased distance.


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    A two-node cluster has both a single TCP/IP heartbeat and a single non-IP serial heartbeat. TheService Level Agreement regarding the speed of cluster fallover has been updated,and Fast Disk Takeover will be implemented to meet the new Service Level Agreement.  Which of the following should be implemented to increase the reliability of Fast Disk Takeover?()
    A

     Disk should be mirrored across separate storage enclosures.

    B

     Disk heartbeats should be added over multiple disk adapters.

    C

     Disk major and minor numbers should be set as unique across nodes.

    D

     Disk adapter queue_depth should be increased from the default values.


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    Company.com has decided to implement VPN for all network traffic. How might this might affect HACMP?()
    A

     Only the heartbeat IP network can exist in a VPN style network.

    B

     HACMp must have separate VPN’s for all ’non-service’ and ’service’ adapter networks.

    C

     If a VPN is used for IP traffic the heartbeating must be done over disk connections.

    D

     HACMP can exist in a VPN network environment,but special considerations must be addressed.


    正确答案: C
    解析: 暂无解析

  • 第13题:

    While adding the forced varyon volume group option, it is decided to create a disk heartbeat  Network over the disk paths. Which HACMP function is used to create disk heartbeat devices?()

    • A、 The Disk hearbeat facility is initialized when creating enhanced concurrent mode volume groups through HACMP.
    • B、 HACMP does not create the disk heartbeat area directly; RSCT facility creates the area used for the disk heartbeat when the device is started by Group Services.
    • C、 The ’Chdev -v-C " command creates an enhanced Volume Group from an ordinarilyVolume Group. This creates the heartbeat region on the vfirst disk in the chain.
    • D、 The disk heartbeat area on the disk is created and initialized when the device is created inHACMP "Extended Configuration -> Extended Topology -> Disk heartbeat facility" smit path.

    正确答案:A

  • 第14题:

    During the initial cluster design,a disk heartbeat,Point-to-Point non-IP network is being planned  as part of a three-node cluster implementation. The disk environment will use LVM mirroring for disk redundancy. The volume groups will be created as Enhanced Concurrent Capable.  To facilitate disk heartbeating,how many disks per node and how many networks will be required?()  

    • A、 One disk per node,one network
    • B、 Two disks per node,one network
    • C、 Two disks per node,six networks
    • D、 Two disks per node,three networks

    正确答案:C

  • 第15题:

    A client has the need to reboot one of their Virtual IO Servers. What command(s) would be run to list the clients that are dependant on Virtual IO Server disk and network resources?()

    • A、lsmap -all -net
    • B、lsclient -disk -net
    • C、lsdev -virtual -client
    • D、lsmap -all; lsmap -net

    正确答案:D

  • 第16题:

    A two-node cluster has both a single TCP/IP heartbeat and a single non-IP serial heartbeat. TheService Level Agreement regarding the speed of cluster fallover has been updated,and Fast Disk Takeover will be implemented to meet the new Service Level Agreement.  Which of the following should be implemented to increase the reliability of Fast Disk Takeover?()  

    • A、 Disk should be mirrored across separate storage enclosures.
    • B、 Disk heartbeats should be added over multiple disk adapters.
    • C、 Disk major and minor numbers should be set as unique across nodes.
    • D、 Disk adapter queue_depth should be increased from the default values.

    正确答案:B

  • 第17题:

    单选题
    A client has the need to reboot one of their Virtual IO Servers. What command(s) would be run to list the clients that are dependant on Virtual IO Server disk and network resources?()
    A

    lsmap -all -net

    B

    lsclient -disk -net

    C

    lsdev -virtual -client

    D

    lsmap -all; lsmap -net


    正确答案: D
    解析: 暂无解析

  • 第18题:

    单选题
    A customer needs maximum performance with fault-tolerance from their disk subsystem. Which RAID level meets this requirement?()
    A

    RAID-0

    B

    RAID-1

    C

    RAID-5

    D

    RAID-10


    正确答案: A
    解析: 暂无解析

  • 第19题:

    单选题
    While adding the forced varyon volume group option, it is decided to create a disk heartbeat  Network over the disk paths. Which HACMP function is used to create disk heartbeat devices?()
    A

     The Disk hearbeat facility is initialized when creating enhanced concurrent mode volume groups through HACMP.

    B

     HACMP does not create the disk heartbeat area directly; RSCT facility creates the area used for the disk heartbeat when the device is started by Group Services.

    C

     The ’Chdev -v-C  command creates an enhanced Volume Group from an ordinarilyVolume Group. This creates the heartbeat region on the vfirst disk in the chain.

    D

     The disk heartbeat area on the disk is created and initialized when the device is created inHACMP Extended Configuration -> Extended Topology -> Disk heartbeat facility smit path.


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    A customer has a requirement for a single AIX LPAR to be highly available. The customer only has enough funding to purchase a single system. Which would be the most critical option to mitigate AIX availability?()
    A

    Dual power supplies.

    B

    Twice the amount of disk.

    C

    Two dual-port LHEA adapters.

    D

    Two dual-port fibre channel adapters.


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    The company has purchased one hundred and fifty new servers. The server administrator needs to build and deploy them as quickly as possible. Which of the following is the FASTEST method of building and deploying each server?()
    A

    Build each server from the OS manufacturer’s build disk.

    B

    Use an imaging system to manually deploy the build to the servers.

    C

    Build each server with the manufacturer’s build disk.

    D

    Give the company build disk to the server manufacturer.


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    You have a file server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). Server1 has one basic disk that contains one partition. You monitor the PhysicalDisk : Avg. Disk Bytes/Read counter for one year and discover that the value has decreased by 25 percent. You need to increase the disk performance of Server1. What should you do? ()
    A

    Compress the volume.

    B

    Defragment the volume.

    C

    Convert the disk to a dynamic disk.

    D

    Enable Shadow Copies on the volume.


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    During normal cluster processing in a five-node cluster,one of the nodes unexpectedly crashes. A review of the system dump indicates that a DMS timeout has occurred. The cluster is configured to use disk heartbeats as a Point-to-Point network.  What should be done to address the problem with this configuration?()
    A

     More disk should be added to the disk heartbeat network,allowing more paths for heartbeats.

    B

     An RS232 network is required to supply a more robust non-IP network when disk heartbeating is implemented.

    C

     The network tunable parameters should be changed to allow more missed heartbeats since the disks may be heavily used.

    D

     An error notification method is required to determine the action to take in response to a failure of the disk heartbeat.


    正确答案: C
    解析: 暂无解析