[Mar-2023] Huawei Certified ICT Expert H12-891_V1.0 Exam Practice Dumps [Q265-Q283]

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[Mar-2023] Huawei Certified ICT Expert H12-891_V1.0 Exam Practice Dumps

2023 H12-891_V1.0 Premium Files Test pdf – Free Dumps Collection

NEW QUESTION 265
A home user has opened a 1Mb/s bandwidth, and in order to improve the user experience, the operator can stabilize 2Mb/s when measuring speed If we use the listening bucket technology to achieve this requirement, which of the following methods is optimal.

cir 10000 pir 12000

cir 10o00 cbs 12000 pbd 12000

cir 8000 pir 12000

cir 10000 cbs 10000 pbs 12000

NEW QUESTION 266
In an MPLS BGPVPN networking that does not enable MPLS penultimate hop pop-up technology. When the message reaches the last hop PE, the message has two layers of labels, and the two layers of label values can be the same.

TRUE

FALSE

NEW QUESTION 267
When running OSPFv3 on a Huawei router, the OSPFv3 process automatically selects an interface address as the process router id

True

False

NEW QUESTION 268
In a network in MPLSVPN, different CE devices can exchange routing information with the same PE device using different routing protocols, and different CE devices can exchange routing information with the same PE The routing protocols used between devices are independent of each other

True

False

NEW QUESTION 269
Router R1 runs the OSPF protocol, use the “display ip routing-table” command to view the routing table of the router R1, the following about the OSPF in the routing table Is the information described correctly?

In the routing table, route table entries identified by the “OSPF” identifier can only be learned through LSAs of Type 3

In the routing table, the routing table entries identified by the “OSPF” identifier can only pass Class 1 LSA

In the routing table, the routing table entries identified by the “OSPF” identifier can be learned through the 1/2/3/5 LSA

In the routing table, the routing table entry identified with the “O_ASE” identifier can only be learned by routing introduction

NEW QUESTION 270
If a router only needs to forward iPv6 packets, you do not need to configure any IPV4 agreements and addresses on that router.

True

False

NEW QUESTION 271
In broadcast networks, elections to DIS begin only after a neighbor relationship has been established

True

False

NEW QUESTION 272
By default, huawei firewalls provide the following security areas:

Trust zone

Security zone

Local zone

Untrust Zone

NEW QUESTION 273
To achieve an on-machine migration in the BGP EVPN distributed gateway scenario, which of the following messages is required?

Type5

Type4

Typel

Type2

Type3

NEW QUESTION 274
In which of the following cases, RSTP refreshes the MAC address table?( Multi-select)

When the port state transitions from Forwarding to Disking

Only when the port state transitions from Listening to Disccarding

When a topology change notification is received

When the status of a port changes

CE when the port state transitions from Disking to Forwarding

NEW QUESTION 275
Host HW1 in the HW device network Wants to join a video conference, so what does that host do?

Sends an IGMPv2 membership report to the default router unicast of the local network

Sends a unicast IGMPv2 membership report to the RP

The IGMPv2 membership report is sent over multicast in the local network, and the multicast address carried in the IGMPv2 membership report is the multicast address that you want to join

The IGMPV2 membership report is sent over multicast in the local network, and the destination multicast address of the IGMPv2 membership report is “All PIM Routers” 224002 Multicast address

NEW QUESTION 276
The correct description of the extended features of ISIS is ?

When the amount of information in the Link State Protocol data packet PDU to be released by ISIS is too large, the ISIS router will generate multiple LSP shards to carry more ISIS information.

ISIS can choose whether to authenticate incoming SNP and LSP packets

If there are other vendors’ devices on the network and do not support the LSP sharding function, the sharding expansion mode must be configured as Model-1, otherwise the message will not be recognized by other vendors’ devices.

After you enable the LSP shard extension feature of your router, you can use it without restarting the ISIS process.

NEW QUESTION 277
Regarding the BGP/MPLS IP VPN network architecture, what is the error described below?

sites can be accessed each other through vPNs, and a site can only belong to a VPN

P devices only need basic MPLS forwarding capabilities and do not maintain VPN-related information

BGP/MPLSIPVPN network architecture consists of CE (Customer Edge), PE (Provider Edge) and P (Provider), of which PE and P Is a carrier device, CE is BGP/MPLSIPVPN with Household equipment

Under normal circumstances, CE devices are not aware of the presence of VPN, and CE devices do not need to support MPLS MP-BGP, etc

NEW QUESTION 278
You need to configure smart policy routing on the router to specify that specific traffic is forwarded through an interface. When policy-based routing is applied, what are the two most typical types of information that can be used to forward traffic along a particular path?

The TTL and source IP address of the packet

Source A address and the Layer 2 source address

Source IP address and specific protocol (such as FTP, HTTP, etc.)

Service type header and message length

NEW QUESTION 279
The switch can suppress traffic by suppressing traffic and extremely other failures can affect operations, which of the following traffic suppression configurations is the wrong configuration

[Quidway] wan 10 [Quidway-wan10] multicast-suppression 1000 [Quidway-van10] quit

[Qudway ineface gigabtethemnet /0’1
[Quidway-GigabitEfthemetO0/O/1]multicast-suppression 80TQuidway-GigabitEthernet0/0/1]quit

Quidway inteface gigabiethenet ou0/1
[Quidway-GigabtEthernet/0/1J,broadcast-suppression 80 IQuidway-GigabitEthernet//1]Jqut

[Quidway] icmp rate-limit enable [Quidway] icmp rate-limit total threshold 20

[Quidway ] wan 10 [Quidway-wani0] broadcast-suppression 1000 [Quidway-van10] quit

NEW QUESTION 280
The following description of IGMPv1 and IGMPv2 is correct?( Multiple select).

IGMPv2 message types include member departure packets

IGMPv2 does not support specific group queries

IGMPv1 supports universal group queries

The IGMPv1 message type does not contain members leaving the packet AD

NEW QUESTION 281
The following statement about the BFD one-arm echo function is correct (multiple choice).

The BFD one-arm echo function must be configured with local identifiers and carrier identifiers

The default destination IP address for the protocol message for BFD one-arm echo is 22400184

After the BFD one-arm echo function is turned on, the destination IP and source IP of the BFD message are inducted

BFD One-Arm Echo function is suitable for scenarios where one device supports BDD and the other device does not support

NEW QUESTION 282
When configuring the source NAT and having no pat configuration parameters, which of the following statements is true?( Radio)

Perform destination IP address and destination port translation

Only source P address translation occurs

Only destination IP address translation occurs

Simultaneous source P address and source port translation

NEW QUESTION 283
The following statement about IPSec VPN is correct

Brutal mode can support NAT traversal, while main mode does not support NAT traversal.

The two routers establish IPSecVPN in main mode, and from the 5th message (included), the payload’s data is often encrypted.

Two routers establish an IPSec VPN in brutal mode, so that the tunnel is built with a minimum of 4 messages interacting between the two devices.

The two routers can establish an OSPF neighbor relationship through the IPSec VPN (19) channel and exchange intranet devices by

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