H12-821_V1.0試験無料問題集「Huawei HCIP-Datacom-Core Technology V1.0 認定」

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トータル 385 問
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Which of the following methods is usually used by a network administrator to configure a newly purchased device for the first time?

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The Origin attribute is used to define the origin of BGP path information. There are three types of Origin attributes. Which of the following lists the Origin attributes in descending order of priority?

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A wide area network (WAN) is a remote network that connects local area networks (LANs) or metropolitan area networks (MANs) in different areas for communication purposes. It is typically used to interconnect campus networks or data center networks.

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IPv6 defines multiple types of addresses. Which of the following statements is false about these addresses?

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Which of the following statements about multicast packet forwarding is true?

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Preferences of routing protocols determine the sequence In which a router selects a route among routes to the same destination /earned through different routing protocols.

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Which of the following statements regarding OSPF is true?

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A route-policy consists of one or more nodes. What is the maximum number of nodes in a route-policy?

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On an STP network, the root bridge, root port, and designated port are elected in sequence. The election rules of these ports are different. List the steps for electing the root port in sequence.
正解：
Explanation of Root Port Election in STP:
In a Spanning Tree Protocol (STP) network, the Root Port is selected on each switch (except the Root Bridge). The Root Port is the port with the lowest path cost to the Root Bridge. If there is a tie in path cost, the following criteria are used in sequence to break the tie:
Steps for Root Port Election in Sequence:
* RPC Comparison (Root Path Cost):
* The port with the lowest Root Path Cost is preferred.
* Root Path Cost is the cumulative cost of the path to the Root Bridge.
* Peer BID (Bridge ID) Comparison:
* If the Root Path Costs are equal, the Bridge ID of the connected switch (peer) is compared.
* The port connecting to the switch with the lower Bridge ID is preferred.
* Peer PID (Port ID) Comparison:
* If the Bridge IDs are equal, the Port ID of the peer ' s sending port is compared.
* The port connecting to the lower Port ID is preferred.
* Local PID (Port ID) Comparison:
* If all else is equal, the Local Port ID of the switch is used.
* The port with the lower Local Port ID is selected.
On an IS-IS network, all routers generate LSPs. Which of the following types of information is not contained in the LSPs generated by pseudonodes?

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On an RSTP network, you can set the STP priority of a switch to specify the switch as the root bridge.
Which of the following values is the default STP priority of a Huawei switch?

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On an IS-IS network, Level-1 routers can access the IS-IS backbone area only through Level-1-2 routers.

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Security policy is the core feature of firewalls. Only valid traffic that complies with security policies can be forwarded by firewalls. Which of the following statements are true about security policy matching rules?

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OSPF neighbors have multiple states, such as Down, Init, 2-way, Loading, or Full. In which of the following states do OSPF routers negotiate the master and slave roles?

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Which of the following protocols are multi-channel protocols?

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トータル 385 問