Huawei Other Certification H12-821_V1.0 Dumps | Updated Oct 06, 2021 - VerifiedDumps
Master 2021 Latest The Questions Huawei Other Certification and Pass H12-821_V1.0 Real Exam!
NEW QUESTION 30
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 31
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 state does not learn MAC addresses table.
- B. The port In learning stole docs not learn MAC addresses table.
- C. The port in discarding or learning state does not learn MAC addresses
- D. The port In discarding or learning state does not forward data frames.
Answer: C
NEW QUESTION 32
Regarding the route-policy set-cost configuration below, which of the following statements is true?
- A. All the routes that are not permitted by node 10 will be denied.
- B. The cost of all routes is set to 200.
- C. The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.
- D. 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.
Answer: C
NEW QUESTION 33
Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?
- A. 802.11ac
- B. 802.11b
- C. 802.11n
- D. 802.11ax
Answer: A
NEW QUESTION 34
Which of the following statements about multicast packet forwarding is true?
- A. 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.
- B. In multicast transmission, the destination address of a packet can be the unicast address of a host.
- C. IGMP snooping cannot control the scope of multicast traffic flooding on a Layer 2 network.
- D. The source address of a multicast packet is a unicast address.
Answer: A
NEW QUESTION 35
According to BGP route selection rules, the route with the higher Local_Pref is preferred.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 36
Compress the 2001:0DBB:B8:0000:C030:0000:0000:09A0:CDEF address.___________(if the answer contains letters, capitalize them.)
Answer:
Explanation:
pending
NEW QUESTION 37
After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?
- A. The interval at which an IS-IS interface sends IIH packets is changed.
- B. The level of an ISIS interface is changed.
- C. The IP address of an ISIS interface is changed.
- D. The cost of an IS-IS interface is changed.
Answer: B
NEW QUESTION 38
A Huawei firewall by default creates security zones named untrust, dmz, _________ and local. (Use Lowercase letters.)
Answer:
Explanation:
security policy
NEW QUESTION 39
To prevent inter-area routing loops, OSPF does not allow advertising routing information between two non-backbone areas and allows sing routing information only within an area or between the backbone area and a non-backbone area. Therefore, each ABR must be connected to the backbone area.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 40
Drag the following VRRP states to the corresponding working mechanisms.
Answer:
Explanation:
Explanation
Master
Backup
Master
Backup
NEW QUESTION 41
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. The configured security level cannot be changed.
- C. The default security level of the new zone is 1.
- D. Two zones cannot be configured with the same security level.
Answer: B
NEW QUESTION 42
To inject IGP routes into BGP routes, you can only use the network command.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 43
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. The role of the designated port that is enabled with root protection cannot be changed
- D. After TC-BPDU attack defense function is enabled, you can set the number of times the switch processes TC BPDUs within a certain period
Answer: B
NEW QUESTION 44
Which of the following configurations are not mandatory when an administrator configures VRRP?
- A. Virtual router priority
- B. Virtual IP address
- C. Preemption mode
- D. Preemption delay
Answer: B
NEW QUESTION 45
Which of the following statements regarding DR/BDR are false?
- A. DR others listen on the multicast address 224.0.0.5.
- B. All DR others establish neighbor relationships with DR and BDR only.
- C. In a broadcast network, DR and BDR must be elected. A broadcast network without a DR or BDR cannot operate normally.
- D. DR others listen on the network address 224.0.0.6.
Answer: B
NEW QUESTION 46
In a route-policy, which of the following BGP attributes can be used in apply clauses?
- A. MED
- B. Local-Preference
- C. AS_Path
- D. Tag
Answer: A,B,C
NEW QUESTION 47
Which of the following statements regarding BGP route advertisement are false?
- A. Only the routes learned from IGPs can be advertised to other BGP peers.
- B. Only the optimal routes preferred by BGP can be advertised to other BGP peers.
- C. All the BGP routes learned from all BGP peer will be advertised to other BGP peers.
- D. By default, the routes learned from an IBGP peer will not be forwarded to other IBGP peers.
Answer: B
NEW QUESTION 48
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 cannot 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 can match an IP prefix number and a prefix length at the same time.
Answer: A
NEW QUESTION 49
In the OSPF protocol, inter-area route calculation involves only Router LSA, Network LSA, and Summary LSA.
- A. FLASE
- B. TRUE
Answer: B
NEW QUESTION 50
Which of the following routing protocols support the default route through command configuration?
- A. BGP
- B. OSPF
- C. ICMP
- D. IS-IS
Answer: A
NEW QUESTION 51
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. Temperature monitoring
- D. Voltage monitoring
Answer: C
NEW QUESTION 52
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 53
The Interface \P address and VRRP virtual IP address can be the same.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 54
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