Whendevicesareinclustermode，whichnewinterfacesarecreate……

单项选择题Whatisthefunctionalityofredundantinterfaces（reth）inachassiscluster？（）

A.reth interfaces are used only for VRRP.
B.reth interfaces are the same as physical interfaces.
C.reth interfaces are pseudo-interfaces that are considered the parent interface for two physical interfaces.
D.Each cluster member has a reth interface that can be used to share session state information with the other cluster members.

单项选择题WhatisaredundancygroupinJUNOSSoftware？（）

A.a set of chassis clusters that fail over as a group
B.a set of devices that participate in a chassis cluster
C.a set of VRRP neighbors that fail over as a group
D.a set of chassis cluster objects that fail over as a group

单项选择题When applying the configuration in the exhibit and initializing a chassis cluster， which statement is correct？（） [edit chassis] user@host# show cluster { reth-count 3； redundancy-group 1 { node 0 priority 1； node 1 priority 100； } }

A.Three physical interfaces are redundant.
B.You must define an additional redundancy group.
C.node 0 will immediately become primary for redundancy group 1.
D.You must issue an operational command and reboot the system for the above configuration to take effect.

多项选择题Whichthreestatementsaretruewhenworkingwithhigh-availabilityclusters？（）

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.

单项选择题YouhavebeentaskedwithinstallingtwoSRX5600platformsinahigh-availabilitycluster.Which requirementmustbemetforasuccessfulinstallation？（）

A.You must enable SPC detect within the configuration.
B.You must enable active-active failover for redundancy.
C.You must ensure all SPCs use the same slot placement.
D.You must configure auto-negotiation on the control ports of both devices