[Nov-2021] Verified Huawei H12-821_V1.0 Bundle Real Exam Dumps PDF
H12-821_V1.0 Dumps PDF New [2021] Ultimate Study Guide
NEW QUESTION 16
Which of the following PIM protocol packets have unicast destination addresses.
- A. Graft
- B. Assert
- C. Register Stop
- D. Bootstrap
Answer: A
NEW QUESTION 17
Which of the following statement regarding the display ospf peer command output is true?
- A. Through negotiation during DD packet exchange, the local end becomes the slave.
- B. The DR address is 10.1.1.1
- C. Router ID indicates that the local router ID Is 10.1.1.1.
- D. Address: 10.1,1.1 Indicates that the local interface address is 10.1.1.1.
Answer: D
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
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 20
In BGP, the origin attribute of the routes imported using the import-route command is incomplete.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 21
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. A device with a higher router priority has a higher election priority.
- C. If two devices have the same router priority, the device with a larger router ID has a higher election priority.
- D. If the current DR fails, the current BDR automatically becomes a new DR, and a BDR will be elected again.
Answer: D
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
OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 24
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. FALSE
- B. TRUE
Answer: B
NEW QUESTION 25
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. Packets must pass the firewall, and a session table is established.
- C. If the firewall security policy permits packets to pass, the packets can pass the firewall.
- D. By default, when status detection is disabled and the permit policy is configured packets can pass.
Answer: A
NEW QUESTION 26
The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 27
BFD control packets are encapsulated in UDP packets for transmission. What is the destination port number of multi-hop BFD control packets?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 28
An engineer sets the CAPWAP heartbeat detection interval to 20 of the active link before an active/standby switchover occurs?
- A. 90s
- B. 75s
- C. 60s
- D. 20s
Answer: D
NEW QUESTION 29
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 30
Four routers run ISIS and have established adjacencies. The area IDs and router levels are marked in the following figure. If route leaking is configured on R3, which of the following is the cost of the route from R4 to 10.0.2.2/32?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 31
A local router runs IS-IS and its command output is shown in the following figure. Which of the following statements is true?
- A. The circuit level of S4/0/0 is Level-1.
- B. S4/0/0 sends IIH packets at the interval of 30s.
- C. The cost of S4/0/0 is 20.
- D. S4/0/0 supports IPv6.
Answer: B
NEW QUESTION 32
See the following figure. RTA, RTB, RTC, and RTD are in the same AS and establish IBGP peer relationships through direct links. RTB an RTC are route reflectors (RRs), RTA and RTC are the RR clients of RTB, and RTB and RTD are the RR clients of RTC. If RTA advertises the route 10.1.1.0/24 to the BGP process, the Originator ID of the BGP route received by RTD is------------------.
Answer:
Explanation:
IN ORDER
NEW QUESTION 33
Which of the following statements regarding OSPF route summarization is false?
- A. OSPF supports two route summarization modes: ABR summarization and ASBR summarization.
- B. Route summarization can reduce routing information, decrease the routing table size, and improve router performance.
- C. Any router in OSPF can summarize routes.
- D. 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.
Answer: B
NEW QUESTION 34
What is the correct procedure for a VLAN pool to assign terminals to VLANs.
Answer:
Explanation:
NEW QUESTION 35
Which of the following attacks is not the network layer attack?
- A. IP spoofing attack
- B. ICMP attack
- C. ARP spoofing attack
- D. Smurf attack
Answer: C
NEW QUESTION 36
Which of the following routing protocols support the default route through command configuration?
- A. BGP
- B. ICMP
- C. OSPF
- D. IS-IS
Answer: A
NEW QUESTION 37
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