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H31-124 Sample Questions Answers

Questions 4

Which of the following multicast IP addresses is administratively scope address?

Options:

A.

224.0.0.0-224.0.0.255

B.

239.0.0.0-239.0.0.255

C.

224.0.1.0-238.255.255.255

D.

239.0.0.0-239.255.255.255

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Questions 5

Which of the following statements regarding the description of LDP is incorrect?

Options:

A.

Between two LSRs that run LDP, the LDP session is established and Label/FEC mapping information is exchanged.

B.

In MPLS, LDP is used to implement lal>el distribution, label control and label retention.

C.

The two routers between which LDP session is established are called LDP Peer.

D.

The UDP and TCP port mumber for LDP is 64.

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Questions 6

Which of the following are the functions of route redistribution?

Options:

A.

Import routes from RIP into OSPF

B.

Eliminate route loops

C.

Import static route into dynamic routing protocols

D.

Share routing information found by different routing protocols

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Questions 7

Which of the following is not a feature of Segment Routing?

Options:

A.

Uses the source routing technology to provide fast interaction between the network and upper-layer applications.

B.

Segment Routing is a connection-oriented technology that maintains the connection status.

C.

By extending existing protocols (such as IGP), the existing network can be smoothly evolved.

D.

In addition, the centralized control mode of the controller and the distribution control mode of the forwarder are supported, and the balance between centralized control and distributed control is provided.

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Questions 8

VXLAN uses MAC in UDP encapsulation to extend Layer 2 netwotks and encapsulates Ethernet packets on IP packets. When packets are transmitted on a touted network, the inteimediate touting device does not need

to learn inner MAC addresses.

Options:

A.

Ttue

B.

False

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Questions 9

The IGMP snooping configuration is as follows:

#

vlan batch 3

#

igmp-snooping enable

#

vlan 3

igmp-snooping enable

#

interface GigabitEthernet1/0/1

port hybrid tagged vlan 3

I2-multicast static-group group-address 225.1.1.1 to 225.1.1.3 vlan 3

#

interface GigabitEthernet3/0/1

port hybrid tagged vlan 3

igmp-snooplng static-router-port vlan 3

Which of the following statements are correct?

Options:

A.

The device connected to GE 1/0/1 can receive multicast traffic only for the multicast groups 225.1.1.1 to 225.1.1.3. because static multicast groups are configured on GE 1/0/1.

B.

The device connected to GE 1/0/1 can send Report messages to receive multicast data 'or multicast groups outside the 225.1.1.1 to 225.1-1.3 range.

C.

IGMP snooping has been enabled on the switch.

D.

The device connected to GE 3/0/1 Is a multicast router.

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