Huawei Other Certification H12-821_V1.0 Dumps Full Questions with Free PDF Questions to Pass
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NEW QUESTION 24
After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?
- A. The cost of an IS-IS interface is changed.
- B. The level of an ISIS interface is changed.
- C. The interval at which an IS-IS interface sends IIH packets is changed.
- D. The IP address of an ISIS interface is changed.
Answer: B
NEW QUESTION 25
Which of the following statements about the forwarding plane of a switch is false?
- A. Consists of main control boards and interface boards.
- B. Provides high-speed and non-blocking data channels.
- C. Can collect packet statistics.
- D. Can encapsulate and decapsulate packets.
Answer: C
NEW QUESTION 26
When two routers exchange LSDB information using DD packets, a master/slave relationship is formed first, the router with a larger router ID is the master, and determine the MS bit.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 27
Which of the following statements about multicast packet forwarding is true?
- A. The source address of a multicast packet is a unicast address.
- B. IGMP snooping cannot control the scope of multicast traffic flooding on a Layer 2 network.
- C. If a multicast data packet fails the RPF check, the packet must have been received through a sub-optimal interface. However, this interface still receives and forwards the multicast traffic downstream.
- D. In multicast transmission, the destination address of a packet can be the unicast address of a host.
Answer: C
NEW QUESTION 28
What parameters can a DHCP6 server assign to a DHCPv6 client?
- A. DNS server address
- B. SNTP server address
- C. Gateway address
- D. IPV6 address/prefix
Answer: B
NEW QUESTION 29
Which of the following TLVs is used by ISIS to describe the IP address of an interface?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 30
In a route-policy, which of the following BGP attributes can be used in apply clauses?
- A. Tag
- B. MED
- C. Local-Preference
- D. AS_Path
Answer: B,C,D
NEW QUESTION 31
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. If the firewall security policy permits packets to pass, the session table is created.
- B. By default, when status detection is disabled and the permit policy is configured packets can pass.
- C. If the firewall security policy permits packets to pass, the packets can pass the firewall.
- D. Packets must pass the firewall, and a session table is established.
Answer: A
NEW QUESTION 32
Which of the following statements about WLAN roaming are true?
- A. APs for roaming do not need to have overlapping signal coverage.
- B. APs for roaming must have overlapping signal coverage.
- C. APs for roaming must be in the same basic service set (BSS).
- D. APs for roaming must be in the same extended service set (ESS).
Answer: A
NEW QUESTION 33
Which of the following attribute must be carried in an Update message?
- A. AS-Path
- B. Local-pref
- C. Prefval
- D. MED
Answer: B
NEW QUESTION 34
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. TRUE
- B. FALSE
Answer: B
NEW QUESTION 35
An engineer sets the CAPWAP heartbeat detection interval to 20 of the active link before an active/standby switchover occurs?
- A. 60s
- B. 75s
- C. 90s
- D. 20s
Answer: D
NEW QUESTION 36
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 learning stole docs not learn MAC addresses table.
- B. The port in discarding state does not learn MAC addresses table.
- C. The port In discarding or learning state does not forward data frames.
- D. The port in discarding or learning state does not learn MAC addresses
Answer: D
NEW QUESTION 37
RSTP provides different functions in different scenarios. Which of the following statements Is false?
- A. 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
- B. 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
- 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: B
NEW QUESTION 38
According to BGP route selection rules, the route with the higher Local_Pref is preferred.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 39
The Interface \P address and VRRP virtual IP address can be the same.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 40
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