Huawei H12-261 問題集

質問 1：
Regarding the OSPF Stub NSSA protocol area and area, the following method is incorrect.
A. Stub Type7 LSA, NSSA Type7 LSA area is not allowed to be injected and the area is allowed to be injected.
B. Stub Type 5 LSA, NSSA Type 5 LSA area is not allowed to be injected, and the area is allowed to be injected.
C. Stub NSSA Type 4 LSA areas and areas are not allowed to be injected.
D. Stub NSSA Type 3 LSA areas and areas are allowed to be injected.
正解：B

質問 2：
Which of the following statements regarding LSDB synchronization on an IS-IS broadcast network is true?

A. R2 functions as the DIS and sends Hello PDUs at an interval three times that of non-DIS routers.
B. R1 and R3 maintain the LSDB consistency by sending PSNPs periodically.
C. R2 functions as the DIS and periodically sends CSNPs.
D. R2 functions as the DIS and does not receive PSNPs from other routers.
正解：C

質問 3：
Which of the following statements regarding the Multi-VPN-instance CE (MCE) is false?
A. Based on the interface for receiving routing information, the MCE determines the origin of the routing information and adds the routing information to the routing table of the corresponding VPN
B. The MCE can connect to multiple VPNs. The MCE solution isolates services of different VPNs while reducing the cost of network devices
C. The MCE has been bound to a VPN. Therefore, no VPN needs to be bound to the PE connected to the MCE
D. An MCE device creates a routing table for each VPN and binds each VPN instance to it's interfaces
正解：C

質問 4：
Policy-Based Routing (PBR) needs to be configured on a router to enable specified traffic to be forwarded through a specified interface. When PBR is used, which two types of information can be specified to enable traffic forwarding along a specific path?
A. Source IP address and specific protocol (such as FTP and HTTP)
B. TTL and source IP address of packets
C. Type of Service and bandwidth usage
D. Source IP address and Layer 2 source address
正解：A

質問 5：
Which of the following statements regarding RADIUS are true?
A. MAC address authentication does not require a user name and password. Therefore, users cannot be authenticated through RADIUS when using MAC address authentication.
B. RADIUS supports user access in wired and wireless modes.
C. RADIUS authentication and Portal authentication cannot be used together because users can be authenticated using the Portal server when Portal authentication is enabled.
D. Authentication, authorization, and accounting are separated in RADIUS protocol.
正解：B

質問 6：
Which of the following statements regarding BGP attributes is true?
A. When advertising a route learned from an EBGP peer to an IBGP peer, the BGP speaker does not change the Next_Hop attribute of the route.
B. A route can have only one value for the Community attribute.
C. The Local_Pref attribute is exchanged only between EBGP peers and is not advertised to other ASs.
D. The number of the neighboring AS is displayed to the right of the AS_Path list of a BGP routing entry.
正解：D

質問 7：
The following is true, is the OSPFv3 Link-LSA correct?
A. Contains both the local address chain of this interface and all the pre-IPv6 suffixes of this interface.
B. Option LSA Link-lsa field exists in the header, not the data area
C. Contains both the local address chain of this interface and all the previous Ipv6 suffixes in the same area on the router.
D. If a previous Link-LSA Prefix Option 0x00 Prefix IPv6 suffix field is , then it will not be admitted to the single calculation.
正解：A

質問 8：
BGP EVPN, ? advertise external routes Which of the following route classes are used?
A. Type5
B. Type2
C. Type1
D. Type4
E. Type3
正解：A