H12-821_V1.0 Exam Questions

In the new mode of network innovation architecture. Which of the following descriptions about the value of SDN is correct? (Multiple choice)

Router A and Router B are directly connected, OSPF is enabled and the port network type is broadcast. The two routers establish an adjacency relationship, which of the following it...

Which of the following descriptions about the difference between DIS in IS-IS and DR in OSPF are correct? (Multiple choice)

Which of the following are the mechanisms supported by both IGMPv2 and IGMPv3? (Multiple choice)

Which of the following VPN technologies operate based on the data link layer? (Multiple choice)

Which of the following descriptions about the recognized attributes in BGP are correct? (Multiple choice)

As shown in the picture, four routers run IS-IS, and they are all Level1-1-2 routers. The area numbers are as shown in the picture. 49.0001 49.0001 49.0003 49.0002 Which of the fol...

Which of the following characteristics does the IS-IS protocol have? (Multiple choice)

Which of the following are the functions of the switching fabric board? (Multiple choice)

In the figure, the GE0/0/0 and GE0/0/1 interfaces of RTA are respectively connected to departments 1 and 2, and their network segments are respectively 10.1.2.0/24 and 10.1.3.0/24,...

Which of the following descriptions about BGP loop protection is correct? (Multiple choice)

Which of the following descriptions about IGMP Snooping are correct? (Multiple choice)

Which of the following are the necessary configurations of the firewall? (Multiple choice)

Which of the following IP address ranges are not multicast address ranges? (Multiple choice)

In the MSTP domain, multiple spanning trees can be generated based on instance calculations, and each spanning tree is called an MSTI. Which of the following statements about MSTI...

Which of the following descriptions about the P/A mechanism in RSTP are correct? (Multiple choice)

Which of the following descriptions about the IPv6 stateless auto-configuration of addresses through NDP? (Multiple choice)

Which of the following log levels are available in the USG series firewalls? (Multiple choice)

Which of the following items are included in the traffic matching conditions of the firewall security policy? (Multiple choice)

Which of the following descriptions about the basic concepts of VRRP are wrong? (Multiple choice)

As shown in the figure, the user has configured the relevant parameters of the VRRP backup group, and the parameters that are not shown in remain in the default state. R1 with prio...

Which of the following information is the real-time backup data of HSB business? (Multiple choice)

Which of the following types does IS-IS PDU include? (Multiple choice)

Which of the following descriptions of the application of route reflectors in BGP are correct? (Multiple choice)

Which of the following descriptions about OSPF packet authentication is wrong? (Multiple choice)

As shown in the figure is part of the configuration of the router RTA. [RTA-ospf-100]sient-interface GigabitEthernet 1/0/0 Regarding the description of this part of the configurati...

Which of the following fields are included in the OSPF Hello packet? (Multiple choice)

Which of the following descriptions about the ACL matching mechanism are correct? (Multiple choice)

Which of the following descriptions about MQc flow classification are correct? (Multiple choice)

Which of the following descriptions about ACL classification numbers are correct? (Multiple choice)

Which of the following VPN technologies may have two IP-packet headers in one packet? (Multiple choice)

When roaming is configured on a WLAN, which of the following factors may cause inter-AC roaming failure? (Multiple choice)

Different types of LSAs have different functions. Which of the following LSAs can only be spread within a single area? (Multiple choice)

When the IS-IS overhead type is Narrow, which of the following TLVs are used to carry IS-IS routing information inside and outside the routing domain? (Multiple choice)

Which of the following descriptions about NSAP addresses in IS-IS are correct? (Multiple choice)

Which of the following mechanisms does the PIM-DM mode include in the process of building a multicast forwarding tree? (Multiple choice)

MQc includes which of the following elements? (Multiple choice)

The existing stacking switch that has been powered on and configured for stacking, and is connected to the already running stacking system through stacking cables. Which of the fol...

In the network as shown in the figure, without making any attribute modifications, which of the following descriptions of R5 preferred routes are correct? (Multiple choice)

As shown in the figure, R1 and R2 form a VRRP backup group. So which of the following descriptions about this backup group are correct? (Multiple choice)

As shown in the figure, the four Huawei switching devices have all run and configured the MSTP protocol. Now it is required that the MSTP domain name is set to Huawei.

Which of the following commands need to be configured on the four devices? (Multiple choice)

In which of the following descriptions about DR is correct? (Multiple choice) A. PIM routers become PIM neighbors by exchanging Hello messages. The Hello messages carry the DR prio...

Which of the following descriptions of multicast MAC address is incorrect? (Multiple choice) A. The function of the multicast MAC address is to identify receivers belonging to the...

Depending on the degree of control over the multicast source, IP multicast is divided into which of the following models? (Multiple choice)

Which of the following descriptions of IGMP Snooping are correct? (Multiple choice) A. After IGMP Snooping is enabled, the switch will only send multicast packets to specific multi...

Which of the following descriptions about DR are correct? (Multiple choice) A. By default, the interface priority of the PIM router is 1. B. DR election is implemented through the...

Among the following options, which routing prefixes meet the following IP-Prefix conditions? (Multiple choice) HUAWEI CLN PBR match index 10 permit 20.0.0.0/16 greater-equal 24 les...

Regarding the routers that can initiate SPT switching in the PIM-SM network, what is the wrong description? (Multiple choice)

What is the difference between PIM-SM protocol and PIM-DM protocol? (Multiple choice) A. BSR/RP only exists in PIM-SM network and does not exist in PIM-DM B. PIM-DM periodically fl...