JN0-648無料問題集「Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT)」

質問 1

Click the Exhibit button.

You have configured and applied the policer shown in the exhibit to your Junos device.
Which statement is true in this scenario?

（A）Traffic exceeding the committed-information-rate will be rate limited.

（B）Traffic exceeding the committed-burst size will be marked with a loss priority of high.

（C）Traffic exceeding the committed-burst size will be discarded.

（D）Traffic exceeding the excess-burst size will be discarded.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

You are deploying PIM source-specific multicast (SSM) for a new multicast messaging service. You have configured the multicast source to use 235.44.123.100 as the multicast address. You are not able to join the PIM SSM multicast feed.
Which two solutions would resolve this problem? (Choose two.)

（A）Add the multicast address to the [edit routing-options multicast ssm-map] stanza.

（B）Reconfigure the multicast source to use an address in the range of 224.0.0.0 through 224.255.255.255.

（C）Reconfigure the multicast source to use an address in the range of 232.0.0.0 through 232.255.255.255.

（D）Add the multicast address to the [edit routing-options multicast ssm-groups] stanza.

正解：C、D 解答を投票する

質問 3

What are three well-known mandatory BGP attributes? (Choose three.)

（A）AS-path

（B）next-hop

（C）origin

（D）MED

（E）community

正解：A、B、C 解答を投票する

質問 4

You must ensure that all management traffic sourced from your Junos devices is set with a specific DSCP code-point value.
Which action will accomplish this task?

（A）Apply the DSCP code-point to the [edit class-of-service interface lo0.0] hierarchy

（B）Apply the DSCP code-point to the [edit class-of-service host-outbound-traffic] hierarchy.

（C）Apply the DSCP code-point in an egress policer.

（D）Apply the DSCP code-point to a rewrite rule.

正解：B 解答を投票する

質問 5

You are implementing a single spanning tree instance in your network and want to use the protocol that will give you the best convergence time in the event of a physical network failure of the root bridge.
Which spanning tree protocol will satisfy this requirement?

（A）RSTP

（B）VSTP

（C）MSTP

（D）STP

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

Exhibit.

Referring to the exhibit, on which three IS-IS routers will the attached bit be set? (Choose three. )

（A）R4

（B）R5

（C）R3

（D）R6

（E）R2

正解：C、D、E 解答を投票する

質問 7

Click the Exhibit button.

Referring to the exhibit, the source is currently sending multicast traffic using group 224.1.1.1, which is being received by R1. R2 is not receiving PIM register messages.
What would be the cause of this problem?

（A）R5 has not received an IGMP report of 224.1.1.1.

（B）A(*,G) tree has not been built yet.

（C）Tunnel services have not been enabled on R1.

（D）All routers have not been configured with the same Auto-RP discovery group.

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 8

You are currently using VLAN IDs 2 through 300 within your Layer 2 domain and you need to configure VSTP to prevent loops You must ensure that all VL ANs are loop free.
In this scenario, which statement is correct?

（A）You must ensure that the bridge priority is set to the lowest value on all switches in the Layer 2 domain.

（B）You must ensure that the VLANs are balanced between two different root bridges.

（C）You must enable all VLANs, 2 through 300, under the VSTP configuration

（D）You must enable RSTP to account for all VLANs.

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

When configuring class of services, what would be you use to allocate bandwidth to a forwarding class?

（A）transmit rate

（B）bandwidth

（C）buffer depth

（D）speed

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

JN0-648 無料問題集「Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT)」

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