Updated Nov 30, 2021 H12-821_V1.0 Exam Dumps - PDF Questions and Testing Engine
New (2021) Huawei H12-821_V1.0 Exam Dumps
NEW QUESTION 17
Which of the following statements regarding an IP prefix are true?
- A. An IP prefix filter can be used to filter data packets.
- B. An IP prefix filter is used to filter IP address prefixes and can match an IP prefix number and a prefix length at the same time.
- C. An IP prefix filter cannot be used to filter data packets.
- D. An IP prefix filter is used to filter IP address prefixes and cannot match an IP prefix number and a prefix length at the same time.
Answer: A
NEW QUESTION 18
According to BGP route selection rules, the route with the higher Local_Pref is preferred.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 19
Which of the following statements regarding DR/BDR are false?
- A. DR others listen on the network address 224.0.0.6.
- B. DR others listen on the multicast address 224.0.0.5.
- C. In a broadcast network, DR and BDR must be elected. A broadcast network without a DR or BDR cannot operate normally.
- D. All DR others establish neighbor relationships with DR and BDR only.
Answer: D
NEW QUESTION 20
Regarding the route-policy set-cost configuration below, which of the following statements is true?
- A. The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.
- B. The cost of all routes is set to 200.
- C. The route 11.1.0.0/16 will continue to match node 20 after permitted by node 10, and (he final cost is set to 200.
- D. All the routes that are not permitted by node 10 will be denied.
Answer: A
NEW QUESTION 21
Which of the following statements regarding the stateful inspection firewall is true?
- A. Because UDP is a connectionless protocol, so the stateful inspection firewall cannot match UDP packets with the status table.
- B. The stateful inspection firewall only needs to match the first data packet against a rule, and the subsequent packets of the connection are matched directly in the state table.
- C. When the stateful inspection firewall checks packets, packets of one same connection are not correlated.
- D. The stateful inspection firewall needs to match the rules for each incoming packet.
Answer: B
NEW QUESTION 22
If a router ID is configured in both the system via and the BGP view, BGP uses the router ID configured in the BGP view because the BGP view takes precedence over the system view.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 23
IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 24
A switch runs MSTP. The configuration is shown in the figure. What is the role of this switch in MSTI 1?
- A. Secondary root switch
- B. Root switch
- C. Non-root switch
- D. Uncertain
Answer: D
NEW QUESTION 25
Which of the following statements regarding IGMPv1 and IGMPv2 are true?
- A. IGMPv1 supports general query.
- B. 1GMPv2 supports only general query.
- C. 1GMPv2 defines the Leave message type.
- D. IGMPv1 does not define the IGMP Leave message type.
Answer: A
NEW QUESTION 26
As shown in the figure, SWA, SWB, SWC, and SWD run the Rapid Spanning Tree Protocol (RSTP). Which of the following statements are true?
- A. After a port is Configured as an edge port, the port can quickly enter the Forwarding state.
- B. You can enable the edge port on SWD's GEO/0/2 connected to the terminal so that this port can quickly enter the Forwarding state.
- C. Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.
- D. You can enable the edge port on SWC's GE0/0/2 connected to the terminal so that this port can quickly enter the forwarding state.
Answer: A
NEW QUESTION 27
A monitoring plane usually comprises the monitoring units of main control boards and interface boards. This plane can monitor the system environment independently. Which of the following environment monitoring functions can be provided by the monitoring plane?
- A. Fan control
- B. System power-on and power-off control
- C. Voltage monitoring
- D. Temperature monitoring
Answer: D
NEW QUESTION 28
Which of the following statements about the forwarding plane of a switch is false?
- A. Consists of main control boards and interface boards.
- B. Can collect packet statistics.
- C. Provides high-speed and non-blocking data channels.
- D. Can encapsulate and decapsulate packets.
Answer: B
NEW QUESTION 29
RSTP provides different functions in different scenarios. Which of the following statements Is false?
- A. If the edge port on the switch enabled with BPDU protection receives RST BPDU, the switch sets the edge port as a non-edge-port and triggers STP calculation
- B. When the designated port enabled with root protection receives optimal RST BPDUs, the port enters the Discarding state and does not forward packets. If the port does not receive optimal RST BPDUs within a certain period of time, the port will automatically restore to the Forwarding state
- C. After TC-BPDU attack defense function is enabled, you can set the number of times the switch processes TC BPDUs within a certain period
- D. The role of the designated port that is enabled with root protection cannot be changed
Answer: A
NEW QUESTION 30
There are two BFD operating modes. In_______mode, the local end sends BFD Control packets at specified intervals, and the remote end checks whether the local end periodically sends BFD Control packets. (Use lowercase letters.)
Answer:
Explanation:
primary
NEW QUESTION 31
Which of the following statements regarding the firewall zone security level is false?
- A. Only the security level of the user-defined zone can be configured.
- B. Two zones cannot be configured with the same security level.
- C. The default security level of the new zone is 1.
- D. The configured security level cannot be changed.
Answer: D
NEW QUESTION 32
Which of the following statements is false, based on the following IGMP information on an interface of RTA?
- A. The maximum time for response to Query messages is 10s.
- B. The interval for sending group-specific Query messages is 60s.
- C. The IGMP version is IGMPV2.
- D. The IP address of the interface is 192.168.1.1.
Answer: A
NEW QUESTION 33
Compared with STP, RSTP defines the different port states. Which of the following statements regarding discarding and learning states are true?
- A. The port In discarding or learning state does not forward data frames.
- B. The port in discarding state does not learn MAC addresses table.
- C. The port In learning stole docs not learn MAC addresses table.
- D. The port in discarding or learning state does not learn MAC addresses
Answer: D
NEW QUESTION 34
Which of the following statements regarding the LSA age field are true?
- A. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.
- B. The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.
- C. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
- D. The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.
Answer: B
NEW QUESTION 35
As shown in the following figure, a new AP is deployed In dual link MSB networking (load balancing mode).
Which AC will the connect to?
- A. None
- B. AC1
- C. AC2
- D. Random access
Answer: A
NEW QUESTION 36
After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?
- A. The IP address of an ISIS interface is changed.
- B. The interval at which an IS-IS interface sends IIH packets is changed.
- C. The level of an ISIS interface is changed.
- D. The cost of an IS-IS interface is changed.
Answer: C
NEW QUESTION 37
In BGP, the origin attribute of the routes imported using the import-route command is incomplete.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 38
......
Updated Verified Pass H12-821_V1.0 Exam - Real Questions & Answers: https://www.exam4tests.com/H12-821_V1.0-valid-braindumps.html
Best Way To Study For Huawei H12-821_V1.0 Exam Brilliant H12-821_V1.0 Exam Questions PDF: https://drive.google.com/open?id=1R6sxDEp8wWfwh9wdP7U1T3aRFOrjDFhS