Pass H12-891_V1.0-ENU Exam Latest Practice Questions Updated on Apr 04, 2025
Huawei H12-891_V1.0-ENU Study Guide Archives
NEW QUESTION # 262
Regarding the description of VRRP Fast Switching, the error is?
- A. When a VRRP backup group monitors normal BFD, when the BFD state changes, the active-standby state is changed by modifying the backup group priority
- B. at the same time If you configure to monitor multiple BFDs at the same time. Then the various configurations are interrelated and may have an impact
- C. Use VRRP to monitor BFD sessions or EFM features, either in BPD sessions or EFM session states After the change, the VRRP module is notified to achieve fast VRRP switching
- D. A VRRP backup group cannot monitor Peer BFD, Link BFD, and Normal BFD
Answer: B,D
NEW QUESTION # 263
As shown in the figure, R1, R2, and R3 run OSPP at the same time and declare their respective ring ports, as described below is the error.
- A. RI, you can use the Make Efilter export command in Area 1 to filter loopback routes for R3
- B. RI can make Efilter-policy import filter the loopback route for R3
- C. R2 you can make Efilter in Area 0. The import command to filter the loopback route for R3 on
- D. R2, you can use the filter po y export command to filter R3's loopback route
Answer: D
NEW QUESTION # 264
An existing router running OSPF is connected to zone 0 and zone l. You configured zone l as the Stub domain.
What classes does an LSA that operates only inside zone l contain?
- A. 1??LSA,2??LSA 5??LSA
- B. 7?LSA
- C. 1?LSA? 2?LSA
- D. 1LSA,2 3LSA
- E. 3LSA 4LSA1 2
Answer: D
NEW QUESTION # 265
The fields that represent priority in the VLAN (8021Q) data encapsulation are a total of 6 bits.
- A. True
- B. False
Answer: B
NEW QUESTION # 266
What about the description of IGMP Snooping, is it correct?
- A. IGMP Snooping runs at the link layer and is a multicast constraint mechanism on Layer 2 Ethernet switches that manages and controls multicast groups
- B. IGMP Snooping establishes a MAC multicast address table by listening for IGMP packets sent by the host
- C. IGMP Snooping does not consume the CPU of the switch
- D. IGMP Snooping solves the problem of multicast messages broadcasting in layer 3
Answer: A,B
NEW QUESTION # 267
The following description of the attributes of BGP is correct? Radio
- A. The AS number of the adjacent AS, ranked to the far right of the list of AS_Path in the BGP route entry.
- B. A route can have only one community attribute value.
- C. When a BGP Speaker publishes a route learned from an EBCP peer to an IBGP peer, it does not change the next hop attribute of that routing information.
- D. Local_Pref is valid only between EBGP peers and is not advertised to third-party AS
Answer: C
NEW QUESTION # 268
If you need to use the delault-route importd command if no default route exists in the local IP routing table, a default route is issued to the BGP peer (group).
- A. True
- B. False
Answer: B
NEW QUESTION # 269
When the load is an ICMPv6 message, what is the numeric value of the Next Header field in the IPv6 header if the presence of an extended header is not taken into account?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A,B,C
NEW QUESTION # 270
Router RL runs the OSPF protocol and uses the display ip routing-tabe command to view the router RL's routing table, the following information about OSPF in the routing table is described correctly as?
- A. In the routing table, Route table entries identified with the "O_ASE identifier can only be learned through routing introduction
- B. In the routing table, the routing table entries identified with the 'OSPF identifier' can be learned through the 1/2/3/5 LSA to
- C. In the routing table, the routing table entries identified by the OSPF identifier can only be learned through the 3 types of LSAs to
- D. In the routing table, used. The 'OSPF' identifier identifies a route table entry that can only pass a Type 1 LSA
Answer: A
NEW QUESTION # 271
In order for routers at both ends of the IPv6 over lPv4 manual tunnel to exchange routing information, OSPV3 can be enabled on the tunnel, osPFv3 will be able to form a normal neighbor relationship, and the tunnel interface will be treated as a P2P link interface.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 272
ISlS protocol In broadcast networks and P2P networks, when the router receives LSP, it needs to use PSNP to confirm and ensure the synchronization of LSDB
- A. True
- B. False
Answer: B
NEW QUESTION # 273
SNMPv3 defines which security features
- A. Authentication
- B. Privacy
- C. Accounting
- D. Domain checking
Answer: A,B
NEW QUESTION # 274
Is the following description of ospf virtual links correct?
- A. The virtual connection ip is used as the link address
- B. The cost of a virtual connection is zero and is the optimal link
- C. A virtual connection can be established in any area, after which it itself belongs to the region
- D. Virtual links can be used to solve the problem of zone 0 being segmented
Answer: D
NEW QUESTION # 275
You are now troubleshooting a LAN, and you suspect that the error is due to a mismatch in the work mode.
Which switch interface error indicates that the 10/100/100O IEE gigabit interface operating mode does not match? (Multiple choice questions).
- A. Super Small Frame
- B. FCS error
- C. Lag conflicts
- D. Alignment error
- E. Excess Conflict
Answer: A,B,C,D,E
NEW QUESTION # 276
BGP routing policies can control the publication and acceptance of routes
- A. FLASE
- B. TRUE
Answer: B
NEW QUESTION # 277
As shown in the figure, three switches SI, SN2, and SN3, where SN1 is the root bridge between S1 and SN2 Now that link support SN2 cannot receive the configuration BPDU sent by the root car, the administrator needs to configure which spanning tree protection mechanism to prevent the problem of link congestion?
- A. Anti-TC-BPDU attack
- B. Loop protection
- C. BPD protection
- D. root protection
Answer: B
NEW QUESTION # 278
There is an As-path-filter.ip as-path-filter 1 permit*(100l400) $, which As-path-filter can match which of the following AS_PATH Attribute? (Confirmed).
- A. 300 4200
- B. 1234 1400
- C. 0
- D. 1
Answer: B,C,D
NEW QUESTION # 279
Which of the following scenarios send free ARP messages? (Multiple choice questions).
- A. When a new host configured with an IP address is connected to the network
- B. The DHCP client receives an acknowledgment message from the server after it sends it
- C. When a host connected to the switch issues a Ping message.
- D. After the VRRP protocol master and standby role election is completed
Answer: A,B,D
NEW QUESTION # 280
As shown below, what routes will R2 learn? (Single choice questions).
- A. R2 can learn the 101.20/24 and 101.30/24 routes.
- B. R2 can learn the 101.1.0/24 route.
- C. R2 can receive an LSP for R1, but cannot join to the routing table.
- D. R2 can learn all routes to R1.
Answer: D
NEW QUESTION # 281
Regarding the FTP protocol, which of the descriptions below is correct?
- A. In FTP Active mode, the server tells the client which port it expects to send data on by commanding "PORT"
- B. FTP TCP port 21 to establish a data session, TCP port 20 to establish a control session
- C. FTP always uses a TCP session to transmit control information and data information
- D. In FTP Passive mode, the client completes the initialization of the TCP session for control and data
- E. FTP always uses TCP port 20 to establish a data session, and ICP port 21 to establish control will always use
Answer: D
NEW QUESTION # 282
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Huawei H12-891_V1.0-ENU (HCIE-Datacom V1.0) Exam is a challenging and comprehensive certification exam that tests the skills and knowledge of professionals in the field of data communications. It is an excellent way for professionals to demonstrate their expertise and advance their career in this rapidly growing field.
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