单选题Due to recent changes in infrastructure, a four-node cluster has been split into two locations, but  is still listed as a single site in HACMP. The location split has proceeded smoothly, the only exception being the serial heartbeats. There are constan

题目
单选题
Due to recent changes in infrastructure, a four-node cluster has been split into two locations, but  is still listed as a single site in HACMP. The location split has proceeded smoothly, the only exception being the serial heartbeats. There are constant errors causing the serial network to go up and down.  What is the best solution to resolve this issue?()
A

 Install the dialback failsafe optional filesets.

B

 Change the speed parameter in smitty tty to be 38400,8,N,1.

C

 Install additional rsct filesets required for non null modem connections.

D

 Change the parameters in the Network Module to stop RSCT from changing the speed of the line.

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第1题:

Your ARPA has been tracking a target and has generated the targets course and speed.The radar did not receive a target echo on its last two scans due to the weather.What should you expect under these circumstances ________.

A.The ARPA will generate data as if the target was still being tracked by radar

B.The ARPA will give an audible and/or visual lost target alarm

C.The ARPA will generate data based on sea return echoes from the vicinity where the target was lost

D.The ARPA has lost all memory of the target and must recompute the target data


正确答案:A

第2题:

An administrator has added an additional network adapter to each cluster node. The adapters  have been configured and tested, and the /etc/hosts file has been updated. However,the adapters do not appear in the pick list when the administrator tries to define the adapters to HACMP.  What would be required to correct this problem?()  

  • A、 Rerun autodiscovery.
  • B、 Synchronize the cluster.
  • C、 Restart cluster services.
  • D、 Delete and recreate the adapters.

正确答案:A

第3题:

Split horizon has been enabled within the Ezonexam routed network. Which one of the following statements best explains the split horizon rule?

A.Only routers can split boundaries (horizons) between networks in separate AS numbers.

B.Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.

C.Once a route is received on an interface, advertise that route as unreachable back out the same interface.

D.Information about a route should never be sent back in the direction from which the original update came.

E.None of the above


正确答案:D
解析:Explanation:
The split horizon rule states:
* Never advertise a route out of the interface through which you learned it.

For instance, in Figure 4a below, if Router One is connected to Routers Two and Three through a single multipoint interface (such as Frame. Relay), and Router One learned about Network A from Router Two, it will not advertise the route to Network A back out the same interface to Router Three. Router one assumes that Router Three would learn about Network A directly from Router Two.


Incorrect Answers:
A: There is no such requirement

B: Distance vector protocols updates routing table at regular intervals instead of Topology changes

C: This is the definition of the poison reverse rule, not the split horizon rule.

第4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5题:

A user is browsing to a newly created internal site called www.comptia.org. After putting incredentials the page comes up blank. Which of the following is MOST likely the cause?()

  • A、The user must add the new site to the local log file.
  • B、A proxy exception has not been configured.
  • C、SMTP has not been configured.
  • D、The loopback address has not been configured.

正确答案:B

第6题:

A client wants to implement a highly available cluster between two sites. At each site the client has an IBMDS8300. At each site, the client would like a single node which will be connected through a SAN to the local DS8300but not the remote DS8300. Which clustering product could be used to provide high availability for this infrastructure?()

  • A、PowerHA/XD for GLVM
  • B、PowerHA with cross-site LVM
  • C、PowerHA/XD for Metro Mirror
  • D、PowerHA/XD for Global Mirror

正确答案:A

第7题:

A customer has two single cluster IBM TS7700 Virtualization Engines at the same site. The customer wants to move one to a remote site and set up a grid configuration with the two clusters. The customer has fibre between the two sites. What is the most important factor to consider when planning the new configuration?()

  • A、operator training
  • B、cache size of the two clusters
  • C、fibre bandwidth capability between the sites
  • D、number of stacked tape drives attached to each cluster

正确答案:C

第8题:

A customer has two single cluster IBM TS7700 Virtualization Engines at the same site. The customer wants to move one to a remote site and set up a grid configuration with the two clusters. The customer has fibre between the two sites. What is the most important factor to consider when planning the new configuration?()

A. operator training

B. cache size of the two clusters

C. fibre bandwidth capability between the sites

D. number of stacked tape drives attached to each cluster


参考答案:C

第9题:

Which of the following is required to ensure the completion of all tests within the automated procedure of thecluster test tool?()

  • A、Application monitoring has been configured
  • B、Only disk heartbeat networks have been used
  • C、Cluster nodes are attached to two IP networks
  • D、Resource Group dependencies have been configured

正确答案:C

第10题:

A customer is planning a PowerHA cluster split across two sites. The sites are located 10km apart. There is aDS8000 storage array at each site with SAN connectivity between the two arrays. There are only enough IPinterfaces for one IP network in this cluster. How can they ensure that disk data is automatically mirrored and synchronized between sites?()

  • A、Purchase PowerHA/XD license
  • B、Purchase PowerHA with GLVM license
  • C、Implement PowerHA with split-site LVM
  • D、Implement PowerHA with cross-site LVM

正确答案:D

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