Cluster簇

第1题：

第2题：

RR的部署原则说法正确的是（）

• A、尽量选取独立的RR，保持RR的稳定性
• B、尽量采用RR的冗余配置，即在一个cluster中配置两台RR，Client双上行到两个RR，实现出口备份
• C、尽量避免RR处于转发路径
• D、部署分簇RR时，避免同一簇RR和客户之间的会话穿过另一簇

正确答案:A,B,C,D

第3题：

Cluster簇

正确答案: 用于IPv6的一种编址方式，即给一组计算机赋予一个地址，发送至该地址的数据包可输送给该组计算机中的任一个。

第4题：

During a cluster functionality test， and administrator performs a graceful stop for Node ’B’ in a three-node cluster. What is the expected state of the cluster after Node ’B’successfully completes？（）  

• A、 All cluster resources halt on Node ’B’，and one or both surviving nodes will gracefully acquire the resources.
• B、 All cluster processes halt on Node ’B’，the cluster resources remain active，and the remaining  nodes take no action.
• C、 All cluster processes stay active on Node ’B’，cluster resources are halted，and the remaining nodes take no action.
• D、 All cluster resources will stop，cluster processes halt on Node ’B’，and the remaining cluster nodes take no action.

正确答案:D

第5题：

A customer wants to migrate their existing cluster onto new POWER6 hardware， and in addition requires thecluster to be migrated from PowerHA version 5.3 to 5.5. Given that AIX 6.1 and PowerHA 5.5 filesets arealready installed in the new hardware， which of the following methods would allow the customer to maintaintheir current cluster configuration？（）

• A、Add the new nodes to the existing cluster， and perform a rolling migration and remove the original nodesfrom the cluster
• B、Add the new nodes to the existing cluster， and perform a non-disruptive upgrade and remove the originalnodes from the cluster.
• C、Create a snapshot of the existing cluster and apply the snapshot to the new cluster. Start cluster serviceson the new cluster and stop the original cluster
• D、Create a snapshot of the existing cluster and apply the snapshot to the new cluster. Stop cluster serviceson the original cluster and start on the new cluster

正确答案:D

第6题：

A cluster node has a failed fibre adapter requiring the node to be halted to replace it. To minimize downtime， what is the appropriate method of performing this repair？（）

• A、 Perform the cIRGmove command to move the node’s resources to another cluster node.
• B、 Perform a graceful stop of the cluster，replace the adapter，and restart the cluster.
• C、 Perform a force stop of the cluster node，replace the adapter，and restart the cluster. 
• D、 Perform a graceful takeover of the cluster，replace the adapter，and restart the cluster.

正确答案:D

第7题：

An administrator wants to use the online planning worksheets as an aid to configuring a PowerHA cluster.Which PowerHA fileset would the administrator need to install in order to obtain this tool？（）

• A、cluster.es.haw
• B、cluster.es.worksheets
• C、cluster.es.tools.worksheets
• D、cluster.es.server.worksheets

正确答案:B

第8题：

You are an administrator of an active/passive cluster of MAG Series devices running in mixed- mode configuration (IF-MAP server and authenticating users). The active user count is quickly approaching the maximum limit of the cluster. You have been directed to reconfigure the cluster to an active/active cluster and add a new license to increase the total number of active users the cluster can support. What must you do before changing the cluster configuration?（）

• A、Apply the new license to the passive node of the cluster.
• B、Configure an external load balancer to hold the V IP.
• C、Disable the active node in the cluster.
• D、Remove the IF-MAP server configuration.

正确答案:D

第9题：

Which three statements are true when working with high-availability clusters？（）

• A、The valid cluster-id range is between 0 and 255.
• B、JUNOS security devices can belong to more than one cluster if cluster virtualization is enabled.
• C、If the cluster-id value is set to 0 on a JUNOS security device， the device will not participate in the cluster.
• D、A reboot is required if the cluster-id or node value is changed.
• E、JUNOS security devices can belong to one cluster only.

正确答案:C,D,E

第10题：

Your environment includes a Windows Server 2008 R2 Hyper-V failover cluster. You manage the virtual environment by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2.  You plan to perform maintenance on the Hyper-V failover cluster. You need to complete the maintenance on the failover cluster while maximizing the uptime of the virtual machines （VMs）.  What should you do prior to starting maintenance on each cluster node？（）

• A、Use Failover Cluster Manager to pause the cluster node
• B、Use Failover Cluster Manager to perform a quick migration of all VMs to another cluster node
• C、Use VMM to place the cluster node in maintenance mode
• D、Use VMM to pause all VMs and move them to another cluster node

正确答案:C

第11题：

第12题：

第13题：

第14题：

部署RR簇时为减小设备负担，建议将cluster_id设置为相同值。

正确答案:正确

第15题：

在进行簇优化测试前，要对目标区域进行簇划分，夏磊说法正确的是哪些？（）

• A、簇优化应该跨越测试（规划）全覆盖业务不同的区域
• B、充分利用地形
• C、参考已有网络工程维护用的Cluster划分
• D、在划分Cluster时，每个Cluster中的路测可以一天内完成，通常以一次路测大约6小时为宜

正确答案:B,C

第16题：

以下哪些参数是防止CLUSTER之间的路由环路？（）

• A、ROUTER_ID
• B、CLUSTER_ID
• C、ORIGINATOR_ID
• D、CLUSTER_LIST

正确答案:D

第17题：

RF优化前需要的准备工作：保证簇（cluster）大部分站点开通、（）、准备好测试工具。

正确答案:确定好测试路线

第18题：

An administrator wants to install Web SMIT on a node that is not part of a cluster. Which PowerHA filesetprovides this function？（）

• A、cluster.sysmgt.wsm
• B、cluster.es.client.wsm
• C、cluster.es.server.websm
• D、cluster.sysmgt.websm.rte

正确答案:B

第19题：

Which three statements are true when working with high-availability clusters? (Choose three.)（）

• A、The valid cluster-id range is between 0 and 255.
• B、Junos OS security devices can belong to more than one cluster if cluster virtualization is enabled.
• C、If the cluster-id value is set to 0 on a Junos security device, the device will not participate in the cluster.
• D、A reboot is required if the cluster-id or node value is changed.
• E、Junos OS security devices can belong to one cluster only.

正确答案:C,D,E

第20题：

Which command would you use to enable chassis cluster on an SRX device, setting the cluster ID to 1 and node to 0?（）

• A、user@host# set chassis cluster cluster-id 1 node 0 reboot
• B、user@host> set chassis cluster id 1 node 0 reboot
• C、user@host> set chassis cluster cluster-id 1 node 0 reboot
• D、user@host# set chassis cluster id 1 node 0 reboot

正确答案:C

第21题：

When configuring a single SRX210 as a firewall enforcer to a MAG4610 active/passive cluster, which statement supports a fault-tolerant configuration?（）

• A、The cluster VIP is defined on the MAG4610 cluster, and the VIP of the cluster is defined as an instance on the SRX Series device.
• B、The cluster VIP is not defined on the MAG4610 cluster, and the IP address of both the active and passive nodes of the cluster are defined as separate instances on the SRX Series device.
• C、The cluster VIP is defined on the MAG4610 cluster, and the IP address of the active node is defined as an instance on the SRX Series device.
• D、The cluster VIP is not defined on the MAG4610 cluster, and the IP address of the passive node is defined as an instance on the SRX Series device.

正确答案:A

第22题：

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第24题：