Which of the following statements regarding BGP message types and characteristics is false?

Route-refresh messages are used by a BGP device to notify its peer that it has the route refresh capability.

Open messages are used to establish a peer relationship between two neighbors.

Hello messages are periodically sent between BGP peers to maintain their connection.

Update messages are used to exchange routing information between BGP peers.

Notification messages are used to transmit error information between BGP Speakers.

Route-refresh messages are used by a BGP device to notify its peer that it has the route refresh capability.

Which of the following statements regarding routing policy and policy-based routing are true? (Choose all that apply.)

Policy-based routing is used to control packet forwarding without following routes in the routing table.

A routing policy is used to control import, advertisement, and receiving of routing information.

Policy-based routing is used to control packet forwarding without following routes in the routing table.

A routing policy is used to control import, advertisement, and receiving of routing information.

A routing policy is used to control packet forwarding without following routes in the routing table.

Policy-based routing is used to control import, advertisement, and receiving of routing information.

Which of the following statements regarding LACP are true? (Choose all that apply.)

The local device sends LACPDUs to exchange information with the remote end.

Devices at both ends determine the Active side based on the LACP system priority and system ID.

The local device sends LACPDUs to exchange information with the remote end.

Devices at both ends determine the Active side based on the LACP system priority and system ID.

Devices at both ends determine active interfaces based on the LACP priority and ID of the interface on the passive side.

Which of the following statements regarding preemption in static LACP mode are true? (Choose all that apply.)

When a high-priority interface switches to the inactive interface due to a fault and then is restored, if preemption is enabled, the restored high-priority interface becomes the active interface after a delay. If preemption is disabled, theinterface cannot become the active interface.

To prevent unstable transmission due to frequent link status changes, can set a preemption delay.

If the preemption delays at both ends are different, the larger preemption delay is used.

Preemption in static LACP mode is enabled by default.

When a high-priority interface switches to the inactive interface due to a fault and then is restored, if preemption is enabled, the restored high-priority interface becomes the active interface after a delay. If preemption is disabled, theinterface cannot become the active interface.

To prevent unstable transmission due to frequent link status changes, can set a preemption delay.

If the preemption delays at both ends are different, the larger preemption delay is used.

Which of the following statements regarding MUX VLAN is true?

The MUX VLAN contains a principal VLAN and subordinate VLANs. The subordinate VLANs are classified into subordinate separate VLANs and subordinate group VLANs. The interfaces in the subordinate group VLAN can communicatewith each other.

The MUX VLAN contains a principal VLAN and subordinate VLANs. The principal VLAN and subordinate VLANs cannot communicate.

The MUX VLAN contains a principal VLAN and subordinate VLANs. The subordinate VLANs are classified into subordinate separate VLANs and subordinate group VLANs. The interfaces in the subordinate group VLAN can communicatewith each other.

The interfaces between subordinate separate VLANs can communicate with each other, but cannot communicate with the interfaces in the principal VLAN.

The principal VLAN and subordinate VLANs cannot communicate.

Huawei switches provide port isolation. Which of the following statements regarding port isolation is false?

If interface A is isolated from interface B, packets sent from interface A cannot reach interface B, but packets sent from interface Ð' can reach interface A.

You can configure Layer 2 and Layer 3 isolation or Layer 2 isolation and Layer 3 interworking.

Huawei switches support 64 isolation groups numbered 0 to 63.

If interface A is isolated from interface B, packets sent from interface A cannot reach interface B, but packets sent from interface Ð' can reach interface A.

FE interfaces, GE interfaces, XGE interfaces, and Eth-Trunks can be isolated from one another, but an interface cannot be isolated from itself or from the management interface unidirectionally. In addition, an Eth-Trunk cannot beisolated unidirectionally from its member interfaces.

RSTP is different from STP regarding defining port states. Which port states does RSTP define?

Discarding, Learning, and Forwarding

What happens when the topology of a network running RSTP changes?

Some MAC address entries are deleted.

Packets are flooded on the entire network.

The aging time of MAC address entries is changed.

Some MAC address entries are deleted.

The entire MAC address table is deleted.

Which of the following statements regarding forwarding equivalence class (FEC) in MPLS are false? (Multiple Choice)

Packets with the same FEC are processed differently on a MPLS network.

MPLS classifies packets with the same forwarding processing mode into one FEC.

One FEC has only one unique label marker.

Packets with the same FEC are processed differently on a MPLS network.

FECs can be divided flexibly by source IP address, destination IP address, source port, destination port, protocol type, VPN, or any combinations of them.

MPLS classifies packets with the same forwarding processing mode into one FEC.

One FEC has only one unique label marker.

On a carrier's MPLS VPN network, PE1 and PE2 transmit data packets between VPNs. After PE1 receives VPN route 172.16.1.0/24 from a client, it converts the route into a VPNv4 route and distributes label 1027 to the packet. After the packet arrives at PE2, PE2 distributes label 1025 to the packet. When a client on PE2 accesses this route, what are the outer and inner labels in the packet transmitted over the carrier network?

Outer label: 1025; inner label: 1027

Outer label: 1027; inner label: 1025

Outer label: 1025; inner label: 1025

Outer label: 1027; inner label: 1027

Outer label: 1025; inner label: 1027

A VPN instance is also called a VPN routing and forwarding (VRF) table. Which of the following statements is false?

A VPN instance can be bound to multiple sites. Multiple sites can be bound to one VPN instance.

VPN instances on a PE are independent of each other.

Each VPN instance can be regarded as a virtual router, which maintains an independent address space and has one or more interfaces connected to the VPN.

A PE maintains multiple routing and forwarding tables, including a public routing and forwarding table and one or more VRFs.

A VPN instance can be bound to multiple sites. Multiple sites can be bound to one VPN instance.

MPLS VPN is used to solve some limitations of traditional VPN technology. Which are the major limitation that MPLS VPN solves?

The address space is overlapping.

Private routes cannot communicate with each other.

Bandwidth resources cannot be fully used.

The address space is overlapping.

Which of the following parameters is optional when you configure a RADIUS server template on a Huawei switch?

Automatic RADIUS user detection

Authentication server IP address and port

Automatic RADIUS user detection

Accounting server address and port

Which of the following traffic can be mirrored through port mirroring? (Choose all that apply.)

Packets received and sent by a port

What are the mainly methods of data collection? (Choose all that apply.)

Collection by physical optical splitter

Collection through port mirroring

Collection by physical optical splitter

Collection through port mirroring

Which of the following statements regarding traffic policing is true? (Choose all that apply.)

The packets of which the rate is exceeded cannot be buffered.

The packets of which the rate is exceeded can be buffered.

The packets of which the rate is exceeded cannot be buffered.

When configuring source NAT with no-pat configuration parameters, which of the following statements is true?

Only the source IP address is translated.

Only the destination IP address is translated.

The source IP address and source port number are both translated.

The destination IP address and destination port number are both translated.

Which of the following statements regarding the characteristics of HA network are true? (Choose all that apply.)

Faults cannot occur frequently.

Faults can be recovered rapidly.

Faults cannot occur frequently.

Faults can be recovered rapidly.

When faults occur, services can be only restored manually.

Which command is used to configure the VRRP preemption delay?

vrrp vrid 1 preempt-mode timer delay 20

Which of the following is not the limitation of traditional networks?

Different vendors' devices provide similar implementation, there is less difference in operation commands, and operations are easy.

The network protocol implementation is complex, and the O&M is difficult.

The traffic path cannot be adjusted flexibly.

The upgrade of new network services is slow.

Different vendors' devices provide similar implementation, there is less difference in operation commands, and operations are easy.

Huawei H12-224 Practice Test 17 - Free Online Exam Prep & Questions

Once a BGP connection is established, if load balancing is not configured, a BGP Speaker just advertises the optimal route in its BGP routing table to its neighbors.

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Huawei H12-224 Practice Test 17

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