多选题Which three statements are true when working with high-availability clusters? (Choose three.)（）AThe valid cluster-id range is between 0 and 255.BJunos OS security devices can belong to more than one cluster if cluster virtualization is enabled.CIf the

第1题：

Which statement is true regarding proxy ARP？（）

• A、Proxy ARP is enabled by default on stand-alone JUNOS security devices.
• B、Proxy ARP is enabled by default on chassis clusters.
• C、JUNOS security devices can forward ARP requests to a remote device when proxy ARP is enabled.
• D、JUNOS security devices can reply to ARP requests intended for a remote device when proxy ARP is enabled

第2题：

The user base of a three-node cluster has increased. In order to add clustered users to all nodes， which of the following steps should be performed？（）  

• A、 On one of the nodes，add the users via C-SPOC ’Add a User to the Cluster’smit menu.
• B、 Use C-SPOC to synchronize the password files between cluster nodes.
• C、 On all of the nodes，add the users to the /etc/passwd and system security files，and then synchronize the cluster.
• D、 On one of the nodes，add the users to the /tec/passwd and system security files，add home directories，and use cron to automate the movement of system security files between nodes.

第3题：

第4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.

第5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.

第6题：

When your WebLogic Server solution needs to be scaled out with additional capacity and you  Don’t want to add additional hardware, which three techniques should you us?（）

• A、Assign more than one managed server to a physical hardware that allows better CPU  utilization
• B、Assign more than one application to one managed server to better utilize threads within a single JVM process
• C、Assign the same application to more than one managed server to load balance requests  between servers
• D、Assign the same heap size to the managed server across the cluster for easier control of  memory footprint  
• E、Create a virtualized environment with hypervisor for an easier solution

第7题：

Which two statements are true regarding redundancy groups？（）

• A、When priority settings are equal and the members participating in a cluster are initialized at the same time， the primary role for redundancy group 0 is assigned to node 0.
• B、The preempt option determines the primary and secondary roles for redundancy group 0 during a failure and recovery scenario.
• C、Redundancy group 0 manages the control plane failover between the nodes of a cluster.
• D、The primary role can be shared for redundancy group 0 when the active-active option is enabled

第8题：

第9题：

Which two statements are true regarding high-availability chassis clustering？（）

• A、A chassis cluster consists of two devices.
• B、A chassis cluster consists of two or more devices.
• C、Devices participating in a chassis cluster can be different models.
• D、Devices participating in a chassis cluster must be the same models

第10题：

Which three statistics are available when viewing the Cluster statistics page?（） (Choose three.)

• A、AppRule counters
• B、new SSL sessions
• C、connections to target server
• D、total number of 200 responses
• E、average download time per page