[Apr-2022] H12-811_V1.0 Pre-Exam Practice Tests Exam Questions and Answers for HCIA-Datacom Study Guide [Q340-Q355]

NO.340 DNS is used for domain name resolution

NO.341 For multiple paths to the same destination network, the router needs to select by comparing the size of the Preference value. If the Preference is the same, the selection is made according to the size of the Cost value.

NO.342 The main function of the DNS protocol is ()

NO.343 After link authentication is completed, STA.
will continue to initiate link service negotiation. Which of the following messages will be used to achieve the specific negotiation? ()

NO.344 As shown in the figure, if host A has the ARP cache of host B, host A can ping host B.

NO.345 In the network as shown in the figure, the administrator hopes that all hosts cannot access the Web service (the port number is 80). Other services can be accessed normally. Then, in the interface configuration of G0/0/1, traffic-filWhich ACL rule needs to be bound to ter outbound? ()

NO.346 The IEEE802.11aC. standard only supports the 5GHz frequency band ()

NO.347 The network administrator finds that a certain port of the switch has learned the MAC address, but it cannot forward data frames. Which of the following working statuses is this port in?

NO.348 OSPF protocol needs to elect DR and BDR in which of the following network types? ()*

NO.349 On Huawei AR G3 series routers, what authorization modes does AAA support?

NO.350 Which of the following fields does the MPLS header include?

NO.351 From a security perspective, router A refuses to receive OSPF packets. ICMP packets received from the cO/0/1 interface. Which of the following commands can achieve this requirement? ()

NO.352 Which of the following statements about Iv6 address configuration are correct? ()*

NO.353 The role of the OSPF protocol is

NO.354 The network shown in the figure. Which of the following configurations can realize that the host A can access the Internet, but the host B can not? (ABCD) (Multiple Choice Questions)

NO.355 What are the network types supported by the OSPF protocol? ()*