Free Access Huawei.H12-821_V1.0.v2024-02-29.q20 Practice Test (Page 5)

Question 16

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

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

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

C.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.

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

Question 17

Which of the following statement regarding the display ospf peer command output is true?

A.Router ID indicates that the local router ID Is 10.1.1.1.

B.Through negotiation during DD packet exchange, the local end becomes the slave.

C.The DR address is 10.1.1.1

D.Address: 10.1,1.1 Indicates that the local interface address is 10.1.1.1.

Question 18

In BGP, the origin attribute of the routes imported using the import-route command is incomplete.

A.TRUE

B.FALSE

Question 19

To prevent inter-area routing loops, OSPF does not allow advertising routing information between two non-backbone areas and allows sing routing information only within an area or between the backbone area and a non-backbone area. Therefore, each ABR must be connected to the backbone area.

A.FALSE

B.TRUE

Question 20

When two routers exchange LSDB information using DD packets, a master/slave relationship is formed first, the router with a larger router ID is the master, and determine the MS bit.