Latest [Dec 12, 2021] H12-811_V1.0 Exam with Accurate HCIA-Datacom V1.0 PDF Questions
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NEW QUESTION 21
Which of the following statements about OSPF neighbor status are correct?
- A. In the Exchange state, routers send each other DD packets containing a summary of link state information, describing the contents of the local LSDB
- B. The sequence number of the DD message is determined in the Exchange state
- C. The master-slave relationship of OSPF is formed in the ExStart state
- D. After the router LSDB synchronization is completed, it is converted to Full state
Answer: A,D
NEW QUESTION 22
What kind of message does the OSPF protocol use to confirm the received LSU message?
- A. LSACK
- B. LSR
- C. LSU
- D. LSA
Answer: A
NEW QUESTION 23
In the network shown in the figure below, assuming that all routers enable OSPF at the same time, which router is the DR in this network?
- A. Router A
- B. Router C
- C. Router B
- D. Router D
Answer: C
NEW QUESTION 24
If the network administrator does not configure the backbone area, the router will automatically create the backbone area.
- A. False
- B. True
Answer: A
NEW QUESTION 25
Which field in the IPv6 header is similar to the TTL field in the IPv4 header?
- A. Next Header
- B. Version
- C. Traffic Class
- D. Hop Limit
Answer: D
NEW QUESTION 26
In the network shown in the figure, which of the following descriptions is correct.
- A. The network between SWA and SWC is the same conflict domain
- B. The network between RTA and SWC is the same conflict domain
- C. The network between SWA and SWB is the same broadcast domain
- D. The network between SWA and SWC is the same broadcast domain
Answer: A,D
NEW QUESTION 27
The bridge ID of the STP protocol in the switching network is as follows. Which of the following bridge ID switches will become the root bridge?
- A. 32768 00-01-02-03-04-BB
- B. 32768 00-01-02-03-04-AA
- C. 4096 00-01-02-03-04-DD
- D. 32768 00-01-02-03-04-CC
Answer: C
NEW QUESTION 28
Layer 2 switches belong to the data link layer equipment. It can identify the MAC address information in the data frame, forward data according to the MAC address, and record these MAC addresses and corresponding port information in its own MAC address table.
- A. False
- B. True
Answer: B
NEW QUESTION 29
How to enter the view of OSPF area 0 in the VRP operating system?
- A. [Huawei-ospf-1] area 0 enable
- B. [Huawei-ospf-1] area 0.0.0.0
- C. ?Huawei?ospf area 0
- D. ?Huawei-ospf-1?area 0
Answer: B,D
NEW QUESTION 30
On the VRP platform, the priority of the default protocol for direct routing, static routing, RIP, and OSPF routing in the area is from high to low.
- A. Direct routing, RIP, static routing, OSPF
- B. Direct routing, static routing, RIP, OSPF
- C. Direct routing, OSPF, static routing, RIP
- D. Direct routing, OSPF, RIP, static routing
Answer: C
NEW QUESTION 31
The router needs to modify the destination IP address in the data packet when forwarding the data packet.
- A. False
- B. True
Answer: A
NEW QUESTION 32
What is wrong in the following statement about the main functions of the router?
- A. Establish routing tables through multiple protocols
- B. Realize mutual communication between devices on the same network segment
- C. Forwarding according to the source IP address of the received data packet
- D. Guide data forwarding according to the routing table
Answer: B,C
NEW QUESTION 33
About the correct description of the information as shown in the figure is.
- A. The GigabitEthernet 0/0/0 interface is not configured with an IP address
- B. The GigabitEthernet 0/0/0 interface was manually closed by the administrator
- C. The dynamic routing protocol is not enabled on the GigabitEthernet 0/0/0 interface
- D. The wrong cable is connected to the GigabitEthernet 0/0/0 interface
Answer: B
NEW QUESTION 34
A host must configure a gateway to communicate with other hosts.
- A. False
- B. True
Answer: A
NEW QUESTION 35
A DHCP server is deployed in the network, but the administrator found that some hosts did not correctly obtain the address specified by the DHCP server. What are the possible reasons?
- A. Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts have automatically generated addresses in the range of 169.254.0.0
- B. There is another DHP server in the network that works more efficiently
- C. The address pool of the DHCP server has all been allocated
- D. Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically generate addresses in the range of 127.254.0.0
Answer: A,B,C
NEW QUESTION 36
In the network shown in the figure below, the host has an ARP cache. Which of the following statements is correct?
- A. The following entries exist in the ARP cache of host A: 11.0.12.1 MAC-B
- B. The router needs to be configured with static routing, otherwise host A and soil machine B cannot communicate in both directions
- C. host A and machine B can communicate in two directions
- D. There may be the following entry 10.0.12.2MAC-C in the ARP cache of host A
Answer: C,D
NEW QUESTION 37
When planning a campus network, which of the following mask lengths is recommended for device interconnection IP addresses?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 38
Only one SSID can be bound to an AP radio.
- A. False
- B. True
Answer: A
NEW QUESTION 39
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