Which of the following methods is usually used by a network administrator to configure a newly purchased device for the first time?
A. TelnetA campus deploys OSPF to implement network interworking, and GE0/0/2 of R3 also enables OSPF. Among them, Area1 is deployed as an NSSA area, and the addresses of each device are shown in the figure. An engineer configures a static route on R3 to access the loopback interface address of R4, and imports the static route into the OSPF process. At this time, in the Type5 LSA received by R1, the forwarding address (FA) is _____. (Note: Please fill in the IP address without masking)
A firewall receives a packet that PC1 sends to PC2. Which of the following statements are true?

Both MQC and PBR can be applied on device interfaces to filter received and sent packets or control packet forwarding paths.
A. TRUEOn an OSPF network, interfaces are classified into four types based on link layer protocols. Which of the following types can interfaces on an IS-IS network be classified into based on physical links?
A. P2PWhich of the following routing protocols support the default route through command configuration?
A. BGPOn the OSPF network shown in the figure, R1, R2, and R3 run OSPF, and R1 advertises four VPN routes to OSPF. A filter-policy needs to achieve the following goal: R1's and R3's routing tables contain the routes to 192.168.3.0/24, but R2's routing table does not. Which of the following filter-policies cannot meet this requirement?

The following description about Link ID, Data, Type and Metirc in Router-L SA is correct? (Multiple choice)
A. Data is used to describe the additional information of this connection, and the information referred to by different connection types is also differentA 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.
A. TRUETo overcome the disadvantages of STP RSTP , changes the format of configuration BPDUs . Which of the following fields in STP BPDUs is used to specify the port role ?
A. FlagsNowadays, the certification exams become more and more important and required by more and more enterprises when applying for a job. But how to prepare for the exam effectively? How to prepare for the exam in a short time with less efforts? How to get a ideal result and how to find the most reliable resources? Here on Vcedump.com, you will find all the answers. Vcedump.com provide not only Huawei exam questions, answers and explanations but also complete assistance on your exam preparation and certification application. If you are confused on your H12-821 exam preparations and Huawei certification application, do not hesitate to visit our Vcedump.com to find your solutions here.