Free Access Huawei.H12-891_V1.0.v2023-07-31.q133 Practice Test (Page 19)

Question 86

You want only his telnet stream to be able to access the server (address 1011.100). Then, you add the following ACL to the routing ring: nule5pemit cp source ny destination 1011.100000destination-porteq 23 rule
1l0 deny ip source any destination any Then you apply that ACL to the ingress direction of the router's seial interface. What type of message is allowed to pass through the router?( Multiple choice questions).

A.Non-first-of-sharded messages to access other hosts

B.Non-first-sharded messages that use port 23 to access the server's message

C.Non-first-of-its-kind packets that use port 21 to access the server

D.Packet answer for the first sharded or non-sharded, using port 23 to access the server

E.A non-sharded, port 21-accessing packet

Question 87

The following statement about the application of BFD is correct?

A.BFD single-hop detection refers to the IP connectivity detection of two direct-connected systems

B.BFD multi-hop detection means that BFD can detect arbitrary paths between two systems that may span many hops or overlap in some parts

C.The one-arm echo function refers to the detection of the connectivity of the forwarding link through the loopback operation of the BFD packet

D.BFD and OSPF linkage is to associate BFD and OSPF, and notify OSPF through BFD's rapid sensing of link failures, thereby speeding up OSPF Response to changes in network topology

Question 88

The LSA of type certainly does not exist in the 2

A.Type4

B.Type5

C.Type7

D.Type3

Question 89

Regarding BGP4+, the following statement is correct?

A.BGP4+ carries the prefix and mask length of the IPv6 route through the NLRI attribute

B.The NEXT_HOP attribute does not exist in BGP4+

C.BGP4+ carries the next hop address of the IPv6 route through the NEXT_HOP attribute

D.BGP4+ carries the next hop address of the route through the Network Address of Next Hop in the NLRI properties MP_REACH

Question 90

Based on the configuration shown in the figure below, it can be known that R4 has () interfaces advertised into IS-IS?

A.0

B.1

C.2

D.3

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Question 86

Question 87

Question 88

Question 89

Question 90

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