Latest H12-821_V1.0 Actual Free Exam Updated 62 Questions [Q37-Q60]

Q37. Which of the following statements regarding DR/BDR are false?

In a broadcast network, DR and BDR must be elected. A broadcast network without a DR or BDR cannot operate normally.

DR others listen on the multicast address 224.0.0.5.

All DR others establish neighbor relationships with DR and BDR only.

DR others listen on the network address 224.0.0.6.

Q38. Which of the following PIM protocol packets have unicast destination addresses.

Register Stop

Bootstrap

Graft

Assert

Q39. Which of the following configurations are not mandatory when an administrator configures VRRP?

Preemption mode

Preemption delay

Virtual router priority

Virtual IP address

Q40. The filter-policy 2000 export command is run in an ISIS process. Which of the following statements about the functions of a filter policy is false?

Is used together with the route import function to advertise some imported external routes to neighbors.

If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.

Controls the advertisement of routes generated by the device.

Filters LSPs to be advertised.

Q41. Which of the following statements regarding OSPF route summarization is false?

OSPF supports two route summarization modes: ABR summarization and ASBR summarization.

Any router in OSPF can summarize routes.

Route summarization is the process of summarizing routes with the same prefix into one route and then advertising only the summarized route to other areas.

Route summarization can reduce routing information, decrease the routing table size, and improve router performance.

Q42. Which of the following statements regarding the summary automatic command and BGP route summarization is false?

After this command is configured, BGP sends only the summarized routes to peers

This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization

This command enables automatic summarization for the locally imported routes

After this command is configured, BGP summarizes routes based on natural network segments

Q43. Which of the following statements regarding the LSA age field are true?

The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.

If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.

The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.

If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.

Q44. Which of the following routing protocols support the default route through command configuration?

BGP

IS-IS

OSPF

ICMP

Q45. Four routers run ISIS and have established adjacencies. The area IDs and router levels are marked in the following figure. If route leaking is configured on R3, which of the following is the cost of the route from R4 to 10.0.2.2/32?

80

50

40

30

Q46. In a route-policy, which of the following BGP attributes can be used in apply clauses?

MED

AS_Path

Tag

Local-Preference

Q47. Which of the following statements is false, based on the following IGMP information on an interface of RTA?

The interval for sending group-specific Query messages is 60s.

The maximum time for response to Query messages is 10s.

The IP address of the interface is 192.168.1.1.

The IGMP version is IGMPV2.

Q48. Which of the following statements regarding IGMPv1 and IGMPv2 are true?

1GMPv2 supports only general query.

1GMPv2 defines the Leave message type.

IGMPv1 does not define the IGMP Leave message type.

IGMPv1 supports general query.

Q49. To inject IGP routes into BGP routes, you can only use the network command.

TRUE

FALSE

Q50. Compress the 2001:0DBB:B8:0000:C030:0000:0000:09A0:CDEF address.___________(if the answer contains letters, capitalize them.)

Q51. There are two BFD operating modes. In_______mode, the local end sends BFD Control packets at specified intervals, and the remote end checks whether the local end periodically sends BFD Control packets. (Use lowercase letters.)

Q52. After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?

The cost of an IS-IS interface is changed.

The IP address of an ISIS interface is changed.

The level of an ISIS interface is changed.

The interval at which an IS-IS interface sends IIH packets is changed.

Q53. Which of the following statements about WLAN roaming are true?

APs for roaming do not need to have overlapping signal coverage.

APs for roaming must be in the same extended service set (ESS).

APs for roaming must have overlapping signal coverage.

APs for roaming must be in the same basic service set (BSS).

Q54. BFD control packets are encapsulated in UDP packets for transmission. What is the destination port number of multi-hop BFD control packets?

4784

3784

5784

2784

Q55. IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.

TRUE

FALSE

Q56. Compared with STP, RSTP defines the different port states. Which of the following statements regarding discarding and learning states are true?

The port In discarding or learning state does not forward data frames.

The port in discarding state does not learn MAC addresses table.

The port in discarding or learning state does not learn MAC addresses

The port In learning stole docs not learn MAC addresses table.

Q57. OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.

TRUE

FALSE

Q58. According to BGP route selection rules, the route with the higher Local_Pref is preferred.

TRUE

FALSE

Q59. A Huawei firewall by default creates security zones named untrust, dmz, _________ and local. (Use Lowercase letters.)

Q60. Regarding the route-policy set-cost configuration below, which of the following statements is true?

The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.

The cost of all routes is set to 200.

All the routes that are not permitted by node 10 will be denied.

The route 11.1.0.0/16 will continue to match node 20 after permitted by node 10, and (he final cost is set to 200.

Latest H12-821_V1.0 Actual Free Exam Updated 62 Questions [Q37-Q60]

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