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Huawei H12-261 Practice Test - Questions Answers, Page 13

Question list

List of questions

Question 121

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A VXLAN tunnel can be established between two VTEPs and shared by all VXLAN Network Identifiers (VNIs) between two NVE nodes.

Question 122

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Which of the following statements regarding the IPv6 over VXLAN network is false?

Question 123

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A Bridge Domain (BD) in a VXLAN can map to multiple VNIs.

Question 124

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Which of the following statements regarding the BFD one-arm-Echo function are true? (Choose two.)

Question 125

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Router HW1 functions as an MPLS LSR router on the carrier's network. The router receives a labelled packet, but the label entry does not exist in the router's LFIB. Given this information, how will

Question 126

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Which of the following statements regarding the basic MPLS forwarding process is false?

Question 127

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In which of the following scenarios will gratuitous ARP packets be sent?

Question 128

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What is the function of Route Target (RT) on an MPLS VPN?

Question 129

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The function of the Hop Limit field in an IPv6 basic header is similar to the function of which field in an IPv4 header?

Question 130

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On the network shown in the figure below, SW1, SW2 and SW3 are deployed. SW1 is the root bridge, link congestion occurs between SW1 and SW2, and SW2 cannot receive configuration BPDUs sent by the ro

Question 121

A VXLAN tunnel can be established between two VTEPs and shared by all VXLAN Network Identifiers (VNIs) between two NVE nodes.

TRUE

FALSE

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Question 122

Which of the following statements regarding the IPv6 over VXLAN network is false?

The IPv6 over VXLAN network indicates that the VXLAN overlay network is an IPv6 network.

The IPv6 Over VXLAN network does not generate ND entries.

Tunnels between Layer 2 and Layer 3 VXLAN gateways are deployed on an IPv4 network.

The IPv6 over VXLAN network enables tenants to have sufficient IP address resources.

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Question 123

A Bridge Domain (BD) in a VXLAN can map to multiple VNIs.

TRUE

FALSE

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Question 124

Which of the following statements regarding the BFD one-arm-Echo function are true? (Choose two.)

Local and remote discriminators must be configured for this function.

After this function is enabled, the destination and source IP addresses of BFD packets are the same.

This function is applicable when one device supports BFD and the other device does not.

The default destination IP address of a BFD packet is 224.0.0.184.

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Question 125

Router HW1 functions as an MPLS LSR router on the carrier's network. The router receives a labelled packet, but the label entry does not exist in the router's

LFIB. Given this information, how will the router process the packet?

Router HW1 discards the packet.

Router HW1 uses the default label to forward the packet.

Router HW1 removes the label, searches the FIB, and uses the destination IP address to forward the packet.

Router HW1 uses LDP to create an LSP and creates a path in its LFIB for the label carried in the packet.

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Question 126

Which of the following statements regarding the basic MPLS forwarding process is false?

When an IP packet enters an MPLS domain, the device checks whether the tunnel ID corresponding to the destination IP address of the packet is 0x0. If so, the MPLS forwarding process starts.

By default, the egress node supporting PHP allocates the label with the value of 3 to the penultimate hop.

A transit node replaces a label on the top of the label stack in an MPLS packet with the label assigned by the next hop.

When an IP packet enters an MPL5 domain, the MPLS edge device inserts a new label between the Layer 2 header and the IP header of the packet.

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Question 127

In which of the following scenarios will gratuitous ARP packets be sent?

A host connected to the switch sends a ping packet.

The DHCP client receives an acknowledgment message from the server

A new host with an IP address is connected to the network.

The master and backup devices are elected in VRRP.

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Question 128

What is the function of Route Target (RT) on an MPLS VPN?

Allows the remote PE to determine which VPNv4 routes should not be imported to a specific VRF instance.

Allows the remote CE to determine which VPNv4 routes be imported to a specific VRF instance.

Allows the remote PE to determine which VPNv4 routes be imported to a specific VPN routing and forwarding (VRF) instance.

Allows the remote CE to determine which VPNv4 routes should not be imported to a specific VRF instance.

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Question 129

The function of the Hop Limit field in an IPv6 basic header is similar to the function of which field in an IPv4 header?

Protocol

Time to Live

Flags

Identification

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On the network shown in the figure below, SW1, SW2 and SW3 are deployed. SW1 is the root bridge, link congestion occurs between SW1 and SW2, and SW2 cannot receive configuration BPDUs sent by the root bridge. Given this information, which of the following spanning tree protection mechanisms needs to be configured to prevent problems caused by link congestion?