[May 14, 2022] Free Huawei H12-831_V1.0 Exam Questions & Answer [Q137-Q156]

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[May 14, 2022] Free Huawei H12-831_V1.0 Exam Questions and Answer

Verified H12-831_V1.0 dumps Q&As Latest H12-831_V1.0 Download

NO.137 According to the configuration shown in the figure below, you can know that R4 has an interface advertised into IS-IS?

NO.138 In the intra-domain MPLS VPN network, when the data packet enters the public network and is forwarded, it will be encapsulated with two layers of MPLS labels. Which of the following description of the two layers of labels is wrong?

The outer label of MPLS VPN is allocated by the LDP protocol or statically, and the inner label is allocated by the MP-BGP neighbor at the correct end.

The outer label of MPLS VPNE is called the private network label, and the inner label is called the public network label.

By default, the outer label is ejected before the packet is forwarded to the last-hop device

The outer label is used to correctly send the data packet to the corresponding VPN on the PE device

NO.139 According to this picture, what can we know? (Multiple choice)

R1 access 172.17.1.5 has a loop

R1 has a route to 172.17.1 5

R1 does not access the route of 172.17.1.5

R1 accesses the path of 172.17.1.5 without any problems

NO.140 Display interface GE0/0/0 once, and find that the Total Eror count (the total number of error packets on the physical layer of the interface) is not 0. At this point, it can be concluded that the current fault has not disappeared.

TRUE

FALSE

NO.141 Because BGP is the EGP routing protocol, BGP routing policies can only be deployed between EBGP neighbors. Routing policies deployed between IBGP neighbors are invalid.

TRUE

FALSE

NO.142 Network administrator A wants to use the AS-Path Fiter to match the routing entries of the BGP routing attribute AS_PATH [100 200 300]. Network administrator A sorts out the four configurations in the figure. Which of the following configurations can satisfy network administrator A’s requirements? Require?

WayA

WayB

NO.143 Regarding BGP/MPLS IPVPN routing interaction, which of the following descriptions is wrong?

The egress PE can send IPv4 routes to the remote CE through BGP, IGP or static routing

After the egress PE receives the VPNv4 route advertised by the ingress PE, it filters the VPNv4 route according to the RT attribute carried by the route

The exchange between PE and CE is IPv4 routing information

The ingress PE changes the IPv4 route received from CE to VPNv4 route, and saves it according to different VPN instances

NO.144 By default, which of the following types of secure MA, C addresses will be lost when the device restarts?

black holeMA, Caddress

Sticky MA, Caddress

Security DynamicsMA, C 1W

Safe staticMA, Caddress

NO.145 Regarding the description of the label encapsulation format in MPLS, which one is correct? (Multiple choice)

The total length of a single MPLS label is 4 bytes (32 bits)

For Ethernet and PPP packets, the label stack is located between the layer 2 header and the data like the “underlay*”: when there is a VLAN tag, the MPLS header is placed between the Ethernet header and the VLAN tag

The S field in the label: 1 bit, used to identify whether the label is a label at the bottom of the stack, when the value is 1, it is the penultimate layer label

The TTL field in the label is similar to the TTL (Time To Live) in the IP packet, and it also has the effect of preventing loops.

NO.146 When OSPFv2 evolves to OSPFv3, the format and function of LSA are exactly the same, except that the network layer address in LSA changes from IPv4 to IPv6.

TRUE

FALSE

NO.147 The output information of a router is as follows. Which of the following reasons cause the OSPF adjacency relationship to fail to be established normally? (Multiple choice)

Inconsistent area codes

Inconsistent area types

The IP address mask of the interface is inconsistent

The interval for sending Hello packets is inconsistent

NO.148 What is the meaning of display current-configuration I include vlan command?

View eachVLANphysical interface information bound to the

See what’s currently createdVLAN

CheckVLANIFinterfaceIPaddress

View all included”VLAN”Configuration of keywords

NO.149 Compared with the OSPFv2 message header, what fields are added in the OSPFv3 message header?

IPV6 Auth Type

Link ID

Instance ID

IPV6 Router ID

NO.150 BFDLink state detection at the heart (millisecond) level can be achieved.

right

wrong

NO.151 Run the display ip interface GEO/D/D command to view statistics about ping packets received on the interface.

True

False

NO.152 If the temperature of the device is found to be too high, it can be concluded that the fan has failed

TRUE

FALSE

NO.153 According to this picture, we can judge?
<Huawei>display ospf Isdb router self-originate OSPF Process 1 with Router ID 10.0.12J Area: 0.0.0.0 Type:Router Lsid: 10.0.12 J Adv rtr: 10.0.12.1 Ls age: 312 Len: 36 Options : A, BR E
seq#:80000013
1 chksum : 0xc61c
I Link count: 1
1 * Link ID: 10.0.12.2
I Data : 10.0.12.1
, Link Type: TransNet
. Metric : 1

R1ofsystem IDYesee8c.a0c2.bafl

R1existinglevel”, andlevel-1-2Dimensional state information of

R1onlylevel-2link state information

Ds level-2In the network, there are a total of8Tailu Electric

NO.154 What is wrong with this configuration description is:

[Huawei]dhcp enable
[Huaweijinte GigabitEthernet 0/0/1 [Huawei-GigabitEthernet0/0/1 ]dhcp option82 insert en [Huawei-GigabitEthernet0/0/1 ]dhcp snooping enable [Huawei-GigabitEthernet0/0/1]dhcp snooping trusted

ifGigabitEthemnetOIO/1received by the interfaceDHCPIn the request message, there is noOption82of SutOptioninformation, the device will generateOption82,and insert it into the message

turn onDHCP Snoopingconfiguration can be used to preventDHCP ServerCounterfeiter Attack

configureGigabitEthernetO/0/lThe interface is a trusted interface

turn onDHCP Snoopingconfiguration can be used to preventARPspoofing attack

NO.155 Senior engineers with rich experience can quickly solve faults only by experience, with high efficiency.

True

False

NO.156 As shown below: