H12-821_V1.0 Exam Questions

Regarding the description of network address port translation (NAP) and network address translation only (No-PAT), which of the following statements is correct?

If the network is IPv6, and the IP address of the host is configured in the stateless address configuration method, and other parameters except the address are obtained through DHC...

The RSTP protocol provides a variety of protection functions. For example, when the edge terminal port is configured in the protection state, the processing mechanism adopted by th...

Among the routing policy tools commonly used in BGP, the one that can be used to match a specific AS_path is:

Which of the description about iBGP neighbors and eBGP neighbors is wrong?

Which of the following strategies or tools cannot be applied to OSPF?

The IP protocol number of the VRRP message is:

In inter-zone packet filtering, which of the following options belongs to the outbound direction?

In multicast, which of the following description of RP is wrong?

Which of the following description about verifying whether a received Hello message is legal is wrong?

Which of the following OSPF messages carries master-slave relationship information?

The default time interval for sending BFD detection packets is:

Which of the following description of the information contained in the OPEN message in EGP is wrong?

Which of the following statements about the IS-IS protocol is wrong?

The abstract information about display ospf peer output, which of the following description is correct? ``` <Huawei> display ospf peer OSPF Process 1 with Router ID 10.1.1.2 Neighb...

Which of the following OSPF areas can only reach other areas through the default route?

A distributed park network manages the network through the SNMP protocol. Which version of SNMP does the park manage?

When the BFD detection intervals at both ends are 30ms and 40ms respectively, which of the following option descriptions is correct?

The elements of the Server map table of the USG series firewall, excluding

If a packet is composed of 5-tuples, so which of the following options does not belong to the range of 5- tuples?

Which of the following types of equipment is suitable for Huawei IP wide-area bearer network solution?

Which of the following description about VRRP is wrong?

The BFD detection number supported by the VRP version is:

If two devices are connected, and one of them supports BFD detection function, while the other device does not support it, which functional feature of EFPD can be used by the devic...

Which layer of data packets does the packet filtering firewall inspect?

Instead of a company use the No-pat method of NAT to access the Internet. If all public IP addresses are used, what will happen to intranet users who access the Internet later?

When the payload is an ICMPv6 message, if the extension header is not considered, what is the value of the Next Header field in the IPv6 header?

Part of the configuration of a router is shown in the figure, so which of the following descriptions about this part of the configuration is correct? ``` [HUAWEI]ip ip-prefix p1 in...

The following is part of the configuration information of the router Huawei. ``` [HUAWEI]ip as-path-filter 2 permit 200_300 [HUAWEI]ip ip-prefix p1 index 10.0.192.0 8 greater-equal...

Which of the following scenarios is not suitable for deploying interface policy routing?

Which of the following Hello messages does the IS-IS protocol not include?

IGMP Snooping mainly solves the problem of?

Using the IP prerequisite list shown in the figure for route matching, which of the following routes can be matched? ``` ip ip-prefix list1 index 10 permit 192.168.1.0 24 greater-e...

Which of the following is an accurate description of the routing strategy, which is correct?

The BGP protocol uses the peer default-route advertise command to advertise routes to neighbors. At the same time, which of the changes in the DGP routing table are correct?

Under the VRP platform, which of the description about the default priority of each protocol is correct?

The following is the BGP error output information of a router. ``` <Huawei>display bgp error Error Type: Peer Error Peer IP:10.1.1.2 AS:40139 Peer Address:10.1.1.2 Error Info:Route...

Regarding the content contained in the UPDATE message, the wrong description is:

How long is the default lease period of the DHCP address pool?

BFD control packets are encapsulated in UDP packets for transmission, so the destination port number of the multi-hop BFD control packets is?

Which of the following statements about different types of firewalls is wrong?

In the USG series firewalls, what is the security level of the Untrust area?

Which of the following statements about the concept of multicast is wrong?

Which of the following BGP routing attributes is not a recognized attribute?

Regarding the OSPF multi-process description, the error is:

Which statement about RIB and FIB is wrong?

After purchasing a new network device, A network administrator, what method is usually used to configure the device for the first time?

In the state detection firewall, when the state detection mechanism is enabled, when the second message (SYN+ACK) of the three-way handshake reaches the firewall, if there is no co...

Which of the following descriptions is wrong about the address function of NDP?

Which statement about multicast packet forwarding is correct?