Huawei H12-891 Practice Test - Questions Answers, Page 25
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Regarding BGP4+, the following statement is correct?
A.
BGP4+ carries the next hop address of the route through the Network Address of Next Hop in the NLRI properties MP_REACH
B.
BGP4+ carries the next hop address of the IPv6 route through the NEXT_HOP attribute
C.
The NEXT_HOP attribute does not exist in BGP4+
D.
BGP4+ carries the prefix and mask length of the IPv6 route through the NLRI attribute
What categories can ACLs be divided into?
A.
Advanced ACLs
B.
Two-layer ACL
C.
User-defined ACLs
D.
Basic ACL
What descriptions of the OSPF protocol are correct?
A.
AS-External-LSA describes the router's path to ASBR
B.
The cost value of the second type of external route is only the AS external cost value, ignoring the AS internal cost value
C.
AS-External-LSA does not belong in any region
D.
AS-External-LSA describes the path to the as outside of the route, and the scope of the flood is the AS outside
Which of the following LSAs propagate in a single region only?
A.
Router LSA
B.
Summary LSA
C.
Network LSA
D.
AS External LSA
What parameters can the DHCPv6 server assign to DHCPv6 clients?
A.
SNTP server address
B.
IPv6 address/prefix
C.
Gateway address
D.
DNS server address
What are the three ways to send IPv4 messages?
A.
broadcast
B.
Unicast
C.
Multicast
D.
Any broadcast
In inter-domain packet filtering, which of the following options belongs to the outbound direction?
A.
trust -->Local
B.
untrust--> dmz
C.
trust--> untrust
D.
untrust--> trust
Which of the following parameters should be modified to re-establish the is-IS neighbor relationship?
A.
Modify the Cost value of the IS-IS interface
B.
Modify the send interval for the IlH of the IS-IS interface
C.
Modify the Level of the IS-IS interface
D.
Modify the IP address of the IS-IS interface
Which of the following sequences can be matched by the regular expression [^100|200]$?
A.
300200 100
B.
200 100 300
C.
100 200 300
D.
100,300,200
Regarding BGP's recognized arbitrary attributes, which of the following descriptions is correct?
A.
must be passed between BGP neighbors
B.
All BGP routers must be recognized
C.
There is no requirement to be present in the Update message, and you can decide whether to add it to the Update message on a case-by-case basis
D.
The BGP router cannot recognize the
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