[2022年05月] 合格させるH12-821_V1.0-ENU試験一発合格、最新のH12-821_V1.0-ENU Fast2testの提供する試験問題
HCIP-Datacom問題集でH12-821_V1.0-ENU試験の完全版解答試験学習ガイド
質問 238
Which of the following descriptions are correct about two-tier roaming and three-tier roaming? (Multiple choice)
- A. Three-tier roaming means that the client roams between different subnets
- B. Layer 2 roaming means that the client roams in the same subnet
- C. If the VLAN ID associated before and after the STA is the same when roaming, it must belong to Layer 2 roaming
- D. The VLANs on the AP service set associated with the STA before and after Layer 3 roaming must be the same
正解: A,D
質問 239
BGP is an inter-domain routing protocol. Which of the following descriptions of this protocol is correct? (Multiple choice)
- A. BGP protocol adopts reliable transmission protocol
- B. Support automatic neighbor discovery
- C. Support rich routing strategies
- D. Does not support neighbor authentication
正解: A,C
質問 240
Which of the following description of roaming is wrong? (Multiple choice)
- A. When roaming, the STA that associates with the new AP sends a re-association request and contains the information of the original associated AP
- B. The working channels of the two APs before and after roaming must be the same
- C. The working channels of the two APs before and after the immersion can be different
- D. When roaming, the STA that associates with the new AP sends an association request and contains the information of the original associated AP
正解: B,D
質問 241
In a broadcast type network, what is the default time interval for DIS to send Hello?
- A. 3.3s
- B. 40s
- C. 5s
- D. 10s
正解: A
質問 242
Regarding the accompanying business, which of the following statements is correct? (Multiple choice)
- A. The controller is not only the certification center in the campus network, but also the management center of business strategies
- B. The administrator can execute the business strategy on the device in the controller system-manage the entire network strategy
- C. In the free mobility solution, the administrator does not need to repeat the configuration for each device
- D. The administrator does not need to care about the user's IP address when configuring the policy
正解: A,B,C,D
質問 243
When the Hold time supported by two BGP neighbors is inconsistent, the neighbors will negotiate to adopt the lowest Hold time interval that both ends can support.
- A. FALSE
- B. TRUE
正解: B
質問 244
Which of the following information is carried in the BGP OPEN message? (Multiple choice)
- A. Local Autonomous System (AS) number
- B. Hold time
- C. Routing attributes
- D. BGP Router ID
正解: A,B,D
質問 245
When the configuration BGP time, if such a warning is generated: "BGPI6ESTABLISHED: the OID [OID] of The BGP The Establishedstate Enters the FSM, which of the following description is correct?
- A. Explain that this type of alarm is generated due to TCP problems
- B. The warning message is abnormal and must be dealt with
- C. Indicates that the BGP neighbor has been established
- D. Explain that there is a problem due to OPEN message negotiation between BGP neighbors
正解: C
質問 246
In a certain network environment, there are both switches running RSTP and switches running SIP. Which of the following phenomena will appear in the network? (Multiple choice)
- A. If it is a Huawei switching equipment, RSTP will switch to STP mode. After the STP switching equipment is evacuated from the network, the switching equipment running RSTP can be migrated back to the RSTP working mode
- B. If it is a Huawei switching device, STP will switch to RSTP mode, and can be equipped with a switching device that runs RSTP. After being evacuated from the network, the switching device running STP can migrate back to RSTP mode.
- C. RSTP and STP are not interoperable and will perform independent operations
- D. RSTP can interoperate with STP, but the advantages of RSTP such as rapid convergence are lost at this time
正解: A,D
質問 247
Which of the following scenarios is not suitable for deploying interface policy routing?
- A. On the core switch, the traffic of mutual access between the internal network and the external network is dragged to the side-mounted security detection device
- B. In the scenario of multiple ISP outlets in the corporate network, different network segments of the intranet access the Internet through different ISP outlets
- C. On the core switch, draw the traffic from the internal network and external network to the AC device that is connected to the bypass
- D. Modify the traffic originated locally-hop
正解: D
質問 248
A network engineer outputs the following information when troubleshooting the OSPF protocol. Based on this to determine which cause the adjacency relationship cannot be established normally?
- A. Process numbers are discordance
- B. The area code does not match
- C. The IP address code of the interface is discordance
- D. Router ID conflict
正解: B
質問 249
When IGMP query is configured with SSM Mapping rules, SSM services can only be provided to member hosts running IGMPv2
- A. TRUE
- B. FALSE
正解: B
質問 250
The RSTP mid-side port does not need to wait for the forwarding delay, and can directly enter the forwarding state. If the edge port receives the BPDU, the edge port will be directly closed and enter the Aerror-dowm state.
- A. True
- B. False
正解: B
質問 251
What message types does OSPF include? (Multiple choice)
- A. Database Description
- B. Link State Request
- C. Link State DD
- D. Hello
正解: A,B,D
質問 252
In the WL AN network, enabled HSB backup group, after the AP has been online on the active AC, then Offline on the standby AC and add the AP information, AP status on the standby AC is Fault. At this time, you need to execute the undo hsb enable command in the HSB backup group view of the standby AC to disable the HSB active/standby backup function, and then execute the hsb enable command to enable the HSB active/standby backup function. At this time, the information on the active AC will be backed up to Standby AC to achieve consistent backup of active and standby information, the AP status on the AC will be displayed as standby.
- A. True
- B. False
正解: A
質問 253
Which of the following statements about BFD applications is correct? (Multiple choice)
- A. BFD single-hop detection refers to the IP connectivity detection of two directly connected systems
- B. The single-arm echo function is to detect the connectivity of the forwarding link through the loopback operation of BFD packets
- C. BFD multi-hop detection means that BFD can detect any path between two systems. These paths may span many hops or overlap in some parts.
- D. The linkage between BFD and OSPF is to associate BFD with OSPF, and then notify OSPF through BFD's rapid sensing of link failures, thereby speeding up OSPF's response to network topology changes
正解: A,B,C,D
質問 254
The advanced access control list is a series of sequential rules composed of permit l deny statements. These rules can match IP packets according to which of the following attributes? (Multiple choice)
- A. Destination port number
- B. Destination address
- C. Source address
- D. Source port number
正解: A,B,C,D
質問 255
The following is part of the output information of the Huawei router, regarding the output information, which of the following description is incorrect?
- A. The PIM state of the router gigabitethernet 1/0/0 running interface is UP
- B. The router gigabitethernet 1/0/0 interface is running PIMv2
- C. The DR on the interface is 10.1.1.1
- D. PIM-SM running on the gigabitethernet 1/0/0 interface of the router
正解: C
質問 256
In the RSTP protocol, when the network topology changes, the mechanism for responding to changes in the topology is?
- A. Partial deletion of the MAC address table
- B. The MAC table remains unchanged
- C. Delete the entire MAC address table
- D. Modify the lifetime of the MAC address table
正解: A
質問 257
......
正真正銘のベスト材料はH12-821_V1.0-ENUオンライン練習試験：https://jp.fast2test.com/H12-821_V1.0-ENU-premium-file.html
最高品質のH12-821_V1.0-ENU問題集と解釈が待ってます！今すぐ取得せよ：https://drive.google.com/open?id=1erG616bJqHzDmeOzdZOs0S7rxmz-uRUP