H12-821_V1.0 Exam Questions

A switch runs MSTP. The configuration is shown in the figure. What is the role of this switch in MST1?

Which of the following statements regarding IGMPv1 and IGMPv2 are true?

IGMPv3 only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.

A switch runs MSTP. The configuration is shown in the figure. Which of the following statements is false, based on the following IGMP information on an interface of RTA? What is th...

Which of the following PIM protocol packets have unicast destination addresses.

What advantage can a DHCPv6 server assign to a DHCPv6 client?

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

Which of the following statements regarding the stateful inspection firewall is true?

Convert 2001:0DB8:B8:0000:0000:0000:0000:0000:09A0:CDEF address________________________ (if the answer contains letters, capitalize them.)

To enhance security, by default Huawei firewalls create security zones named untrust, dmz, _______, and local.

Which of the following statements regarding the firewall zone security level is false?

On a stateful inspection firewall, when the status detection mechanism is enabled and the second packet (SYN+ACK) of 3-way handshake sequence reaches the firewall. Which of the fol...

Which of the following configurations are not mandatory when an administrator configures VRRP?

The interface IP address and VRRP virtual IP address can be the same.

Drag and Drop Question. What is the correct procedure for a VLAN pool to assign terminals to VLANs.

Which of the following statements about WLAN roaming are true?

The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.

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

A forwarding information database (FIB) can directly guide packet forwarding on a router.

Which of the following statements regarding OSPF route-summarization commands are true?

Backup Designated Router: 10.0.12.2 Timers: Hello 1, Dead 40, Poll 120, Retransmit 5, Transmit Delay 1 A. The router ID is 10.1.2.2. B. The interface ID is 1500. C. This router is...

Which of the following statements regarding OSPF protocol is false? A. Each OSPF router uses only one router-LSA to describe the local active connection status of an area. B. Routi...

This configuration is part of RTA configuration: [RTA] ospf 100 [RTA-ospf-100] silent-interface GigabitEthernet 1/0/0 Which of the following statements regarding the configuration...

Which of the following statements regarding OSPF multi-instance is false? A. Route exchange between different OSPF processes is similar to route exchange between different routing...

See the following figure. All routers on the network run IS-IS and are in an area 49.0001. By referring to the LSDB of R1, the Level-2 DIS is. (the device name, for example, R1.) A...

Which of the following statements regarding the BGP error display of a router is false? A. The error occurred at 11:40:39 on March 22, 2010. B. The neighbor IP address for the erro...

Which of the following parameters are not mandatory during the configuration of a BGP peer? A. Password B. Peer IP address C. AS-number D. description

Which of the following statements regarding the MED value in BGP are true? A. According to BGP route selection rules, the MED value has a lower priority than AS_Path, Preferred- Va...

When two BGP peers support different Hold Time, they will negotiate to support the shortest Hold Time interval they can support. A. TRUE B. FALSE

If the route is by default, the routes imported by BGP will be automatically summarized. A. TRUE B. FALSE

Which of the following statements regarding Local-Preference in BGP is true? A. Local-Preference affects traffic that enters an AS. B. Local-Preference can be transmitted between A...

Which of the following scenarios is not suitable for deploying interface PBR? A. A core switch needs to forward traffic between the intranet and extranet to an AC device that conne...

Which of the following attributes cannot be directly referenced in an apply clause of a route-policy? A. community B. ip prefix C. tag D. origin

A route-policy can have multiple nodes, and each node can have multiple if-match and apply clauses. A. TRUE B. FALSE

Which of the following statements regarding routing policy and policy-based routing are true? A. A routing policy is used to control import, advertisement, and receiving of routing...

Compared with loop-free network but has a slow network topology convergence speed, affecting communication quality. RSTP has made some improvements based on STP. Which of the follo...

In a network, some switches are enabled with RSTP and some switches are enabled with STP. What will happen? A. A Huawei switch changes from RSTP to STP. After the STP-enabled switc...

Which of the following statements about stack split is false? A. After a stack splits, the MAC addresses of the two stacks change immediately. B. If the original master/standby swi...

In PIM-DM, which of the following processes are involved in SPT establishment? A. Prune B. Graft C. Flooding D. State Refresh

By default, a router interface sends PIM Hello messages at an interval of ______ seconds. A. 30 B. 60 C. 90 D. 120

Which three transmission modes are supported for IPv4 packets? A. Anycast B. Broadcast C. Unicast D. Multicast

ICMPv6 messages are classified as error or informational messages. A. TRUE B. FALSE

To compress the IPv6 address 2001:0D88:0000:C030:0000:0000:09A0, the following rules are applied: A. 2001:D88:0:C030::9A0 B. 2001:D88::C030:0:0:9A0 C. 2001:D88::C030::9A0 D. 2001:D...

During the DHCP interaction process, the DHCP server and client exchange various types of packets. Which of the following packets is not sent from the client to the server?

The native AC function allows an agile switch to integrate AC capabilities, achieving wired and wireless convergence. The agile switch centrally manages wired and wireless device t...

OSPF supports five types of routes with varying priorities. Which of the following types of routes has the lowest priority when they have the same prefix?

An enterprise administrator configures route summarization on ASBRs to reduce the number of inter-area Type 3 LSAs, which in turn reduces the routing table size and improves resour...

In an OSPF network, two directly connected routers establish a neighbor relationship through the three-way handshake mechanism by default, regardless of whether the network type is...

In an IS-IS network, areas are divided by router, and a router can belong to only one area. Therefore, an IS-IS router only needs to maintain the LSDB of its area.

BGP neighbors typically exist in a BGP routing table, and transmitting each extensive routing information brings a heavy burden to a device. In order to address this problem, it is...