Latest Huawei H12-821_V1.0 Free Certification Exam Material with 62 Q&As
UPDATED H12-821_V1.0 Exam Questions Certification Test Engine to PDF
NEW QUESTION # 24
Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.
- A. 0
- B. 3.3
- C. 1
- D. 2
Answer: C
NEW QUESTION # 25
Which of the following attribute must be carried in an Update message?
- A. MED
- B. Local-pref
- C. Prefval
- D. AS-Path
Answer: B
NEW QUESTION # 26
An engineer sets the CAPWAP heartbeat detection interval to 20 of the active link before an active/standby switchover occurs?
- A. 75s
- B. 90s
- C. 60s
- D. 20s
Answer: D
NEW QUESTION # 27
Which of the following statements regarding the BGP error display of a router false?
- A. Error Type indicates that the BGP error is caused by the neighbor relationship error.
- B. The error may be caused by the incorrect neighbor address.
- C. The neighbor address of this router is 10.1.1.5.
- D. The error occurred at 12:40:39 on March 22, 2010.
Answer: A
NEW QUESTION # 28
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. 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.
- B. Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.
- C. 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.
- D. After a port is Configured as an edge port, the port can quickly enter the Forwarding state.
Answer: D
NEW QUESTION # 29
RSTP provides different functions in different scenarios. Which of the following statements Is false?
- A. The role of the designated port that is enabled with root protection cannot be changed
- 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. 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
Answer: D
NEW QUESTION # 30
A Huawei firewall by default creates security zones named untrust, dmz, _________ and local. (Use Lowercase letters.)
Answer:
Explanation:
security policy
NEW QUESTION # 31
Which of the following configurations are not mandatory when an administrator configures VRRP?
- A. Preemption delay
- B. Preemption mode
- C. Virtual IP address
- D. Virtual router priority
Answer: C
NEW QUESTION # 32
What is the correct procedure for a VLAN pool to assign terminals to VLANs.
Answer:
Explanation:
NEW QUESTION # 33
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. Random access
- B. None
- C. AC2
- D. AC1
Answer: B
NEW QUESTION # 34
Which of the following statements regarding different LSA types is false?
- A. LS Update packets contain complete LSA information.
- B. LS Ack packets contain complete LSA information.
- C. LS Request packets contain only LS Type, LS ID, and Advertising Router.
- D. DD packets contain only LSA summary information, including LS Type, LS ID, Advertising Router, and LS Sequence Number.
Answer: A
NEW QUESTION # 35
Which of the following statements regarding OSPF route summarization is false?
- A. Route summarization is the process of summarizing routes with the same prefix into one route and then advertising only the summarized route to other areas.
- B. Route summarization can reduce routing information, decrease the routing table size, and improve router performance.
- C. OSPF supports two route summarization modes: ABR summarization and ASBR summarization.
- D. Any router in OSPF can summarize routes.
Answer: B
NEW QUESTION # 36
Which of the following statement regarding the display ospf peer command output is true?
- A. The DR address is 10.1.1.1
- B. Router ID indicates that the local router ID Is 10.1.1.1.
- C. Address: 10.1,1.1 Indicates that the local interface address is 10.1.1.1.
- D. Through negotiation during DD packet exchange, the local end becomes the slave.
Answer: C
NEW QUESTION # 37
The Interface \P address and VRRP virtual IP address can be the same.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 38
ON a stateful inspection Firewall where there is no session table, when the status detection mechanism is enabled and the second packet (CYN+ACK) of 3-way hadshakes reaches the firewall. Which of the following statements is true?
- A. Packets must pass the firewall, and a session table is established.
- B. If the firewall security policy permits packets to pass, the packets can pass the firewall.
- C. By default, when status detection is disabled and the permit policy is configured packets can pass.
- D. If the firewall security policy permits packets to pass, the session table is created.
Answer: D
NEW QUESTION # 39
Which of the following statements is false?
- A. When a router with the highest router priority joins an OSPF network, this router will become the new DR.
- B. If the current DR fails, the current BDR automatically becomes a new DR, and a BDR will be elected again.
- C. If two devices have the same router priority, the device with a larger router ID has a higher election priority.
- D. A device with a higher router priority has a higher election priority.
Answer: B
NEW QUESTION # 40
Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?
- A. 802.11ax
- B. 802.11b
- C. 802.11n
- D. 802.11ac
Answer: D
NEW QUESTION # 41
When a routing policy is used to filter routes, which of the following route prefixes will be denied by the IP prefix below?
- A. 1.1.1.1/32
- B. 1.1.1.1/26
- C. 1.1.1.1/24
- D. 1.1.1.2/16
Answer: C
NEW QUESTION # 42
IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 43
The filter-policy 2000 export command is run in an ISIS process. Which of the following statements about the functions of a filter policy is false?
- A. Controls the advertisement of routes generated by the device.
- B. If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.
- C. Is used together with the route import function to advertise some imported external routes to neighbors.
- D. Filters LSPs to be advertised.
Answer: B
NEW QUESTION # 44
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 needs to match the rules for each incoming packet.
- C. 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.
- D. When the stateful inspection firewall checks packets, packets of one same connection are not correlated.
Answer: C
NEW QUESTION # 45
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