H12-821_V1.0-ENU latest test dumps file

Updated Feb 24, 2023 Certification Exam H12-821_V1.0-ENU Dumps – Practice Test Questions

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QUESTION 187
In the WLAN three-layer networking scenario, APs will go online through the following stages. Please sort them in order. (Multiple choice)

AP discovers AC through option 43

AP and AC establish a CAP7AP tunnel

AP goes online, AC delivers service configuration to AP

AP obtains IP address

QUESTION 188
The RSTP protocol defines different port states, including Discarding and Learning. Which descriptions of these two port states are correct? (Multiple choice)

The port in the Discarding state does not learn the MAC address table

Ports in the Discarding state and the earning state do not learn the MAC address table

Ports in the Learning state do not learn the MAC address table

Ports in these two states do not forward data frames

QUESTION 189
Regarding BGP reliable routing updates, which of the following description of is ture?

BGP works on top of UDP, and the transport layer protocol is 179

BGP does not need to periodically advertise routing information

BGP sends complete routing table information every time a route is updated

BGP uses multicast updates

QUESTION 190
D. DoS attack means that the attacker controls a large number of zombie hosts and sends a large number of carefully constructed attack messages to the target network, so that the attacked has the effect of refusing to provide services to the requests of normal users.

True

False

QUESTION 191
As shown in the figure, the stateful inspection firewall will forward the message because the message conforms to the firewall session state.

True

False

QUESTION 192
A certain network runs IS-IS. The L SP information of a router R4 in the network is shown in the figure. Which of the following statements is correct? (Multiple choice)

The LSP is the LSP generated by the pseudo node

The cost of R4 to reach the external route is 64

The external route described by this LSP is 10.0.4.3/32

The System ID of R4 is 4004.0000.0004

QUESTION 193
Which of the following description of IBGP neighbors and EBGP neighbors is wrong?

If the two exchange BGP packets peers belong to different autonomous systems, then the two peers are EBGP peer

If the two exchange BGP packets peers belong to the same autonomous system, then the two peers are IBGP peer

IBGP peers must be physically directly connected

Two routers running BGP must have IP connectivity to establish a TCP session

QUESTION 194
The multicast destination address of VRRP packets is ().

224.0.1.18

224.0.0.18

224.0.0.20

224.0.1.20

QUESTION 195
Which of the following description about AS_PATH is wrong?

When there are two or more routes to the same destination in the router, the advantages and disadvantages of these routes can be compared with each other through this attribute, and the longer the AS_PATHA path is super preferred

AS_PATH refers to the list of ASs experienced by BGP routing in the transmission path

BGP not accept AS_ PATH of the present contained AS Number routes

AS_ PATH is a recognized attribute in BGP

QUESTION 196
The following information is the output of a router, which of the following regarding the information is true?

The community attribute value carried by the destination network segment 1.1.1.0/24 is no-export, indicating that the route entry cannot be advertised to any BGP neighbors

The community attribute value carried by the destination network segment 5.1.1.0/24 is no-advertise, indicating that the route entry cannot be advertised to any other BGP peers

The community attribute value carried by the destination network segment 1.1.1.0/24 is no-export, indicating that the route entry can be advertised to any BGP neighbor

The community attribute value carried by the destination network segment 5.1.1.0/24 is no-advertise, indicating that the route entry cannot be advertised outside the local AS

QUESTION 197
The ACL command ac1 [number] ac1-number [ match-order {autol config}], where ac1-numnbe is used to specify the number of the access control list, and the value range of ac1-number of the basic access control list is ().

1000~3999

0~1000

3000~3999

2000 ~2999

QUESTION 198
When IGMP query is configured with SSM Mapping rules, SSM services can only be provided to member hosts running IGMPv2

TRUE

FALSE

QUESTION 199
RSTP converges faster than STP. Why? (Multiple choice)

The concept of edge ports is introduced in RSTP. Edge ports do not participate in RSTP operations and can be directly transferred from Disable to Forwarding state.

If a root port in the network fails, the optimal Alternate port in the network will become the root port and enter the Forwarding state

If a designated port in the network fails, the optimal Alternate port in the network will become the designated port and enter the Forwarding state

In RSTP, after a port is elected as a designated port, it will first enter the Discarding state, and then quickly enter the Forwarding state through the Proposal/Agreement mechanism

QUESTION 200
iMaster NCE-Campus supports the management of Huawei network equipment through NETCONF and the management of third-party equipment through SNMP

TRUE

FALSE

QUESTION 201
As shown in the figure, the stateful inspection firewall will forward the second TCP three-way handshake message in the figure.

True

False

QUESTION 202
There are a large number of employees in an enterprise building, and they usually start to connect to the company’s WLAN network in the lobby when they go to work. As each employee walks to their respective workstations, each person’s mobile terminal roams through roaming to their respective network coverage areas.
In order to ensure that the IP address of each terminal is fixed as much as possible, what is the recommended approach?

Without configuring VLAN Pool, configure a static IP address for each mobile terminal

Configure VLAN Pool and configure Hash algorithm

Configure VLAN Pool and configure sequential algorithm

Configure VLAN Pool and configure the algorithm arbitrarily

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Updated Feb 24, 2023 Certification Exam H12-821_V1.0-ENU Dumps – Practice Test Questions [Q187-Q202]

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