[2022年03月]更新のHuawei H12-811公式認定ガイドPDF
試験H12-811 HCIA-Datacom V1.0
質問 154
The MAC address table of the existing switch is shown in the figure. Which of the following statements are correct?
- A. When the switch restarts, the MAC address learned by port Eth0/0/2 does not need to be relearned
- B. The data frame with the source MAC address of 5489-9811-0b49 and the destination MAC address of 5489-9894-1d30 received from the port is forwarded from the Eth0/0/2 port
- C. The data frame with the source MAC address of 5489-9885-18a8 and the destination MAC address of 5489-989d-1d30 received from the port is forwarded from the Eth0/0/1 port
- D. When the switch restarts, the MAC address learned by port Eth0/0/3 needs to be learned again
正解: C
質問 155
After the system restarts the static MAC address table, the saved entries will not be lost.
- A. TRUE
- B. FALSE
正解: A
質問 156
Which of the following types of addresses is not included in IPv6 addresses?
- A. Unicast address
- B. Anycast address
- C. Multicast address
- D. Broadcast address
正解: D
質問 157
vty configuration as shown in the figure, the user authority level is set to level 3.
[Huawei]user-interface vty o 14
[Huawei-ul-vtyo-14]acl 200o inbound
[Huavei-ui-vtyo-14]user privilege level 3
[Huavei-ui-vtyo-14]authentication-node password Please configure the login password (maxim length 16):huawei
- A. False
- B. True
正解: B
質問 158
What kind of message does the DHCP server use to confirm that the host can use the IP address?
- A. DHCP OFFER
- B. DHCP DISCOVER
- C. DHCP REQUSET
- D. DHCP ACK
正解: A
質問 159
As shown in the figure below, which port of the following switches will be blocked?
- A. SWC G0/0/2
- B. SWB G0/0/3
- C. SWA G0/0/3
- D. SWC G0/0/1
正解: D
質問 160
What kind of message does the OSPF protocol use to send LSA to neighbors?
- A. LSACK
- B. LSU
- C. LSA
- D. LSR
正解: B
質問 161
In the CAPWAP tunnel establishment phase, after the AC receives the Join Request message sent by the AP, the AC will check the validity of the AP. Which of the following is the authentication method supported by the AC? (Multiple choice)
- A. SN certification
- B. MAC authentication
- C. Password authentication
- D. Not certified
正解: A,B,C,D
質問 162
What is the length of the Ethernet_II frame containing the Ethernet header?
- A. 64-1500B
- B. 64-1518B
- C. 46-1500B
- D. 60-1560B
正解: C
質問 163
The last option field of IPv4 is variable-length optional information. What is the maximum length of this field?
- A. 60B
- B. 40B
- C. 20B
- D. 10B
正解: C
質問 164
The Layer 2 switch is a data link layer device, which 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
正解: B
質問 165
After the link authentication is completed, the STA will continue to initiate link service negotiation. Which of the following messages is used to achieve the specific negotiation?
- A. Association
- B. Handshake
- C. Join
- D. Negotiate
正解: D
質問 166
Which of the following descriptions of OSPF areas are correct? (Multiple choice)
- A. The number of the backbone area cannot be 2
- B. Before configuring the OSPF area, an IP address must be configured for the loopback interface of the router
- C. All networks should be declared in zone 0
- D. The number range of the area is from 0.0.0.0 to 255.255.255.255
正解: A,D
質問 167
The host uses the IP address 192.168.1.2 to access the Internet, which must go through NAT.
- A. TURE
- B. FALSE
正解: B
質問 168
Which of the following refers to network communication? (Multiple choice)
- A. Use a computer to visit the company's official website
- B. Use instant messaging software (such as, QQ, WeChat) to chat with friends
- C. Download emails from the company mailbox to your computer
- D. Use computer to watch video online
正解: A,B,C,D
質問 169
The network shown below, it is desirable host traffic network administrator during planning A destined for host B data packets through the router between the G0/0/3 interfaces, the host B to the host PC A data packet through the router Between the G0/0/4 interface, which of the following commands can achieve this requirement? (Multiple choice)
- A. RTA : ip route-static 0.0.0.0 0.0.0.0 11.0.12.2 RTB : ip route-static 0.0.0.0 0.0.0.0 11.0.12.5
- B. RTA : ip route-static 10.0.12.5 255.255.255.252 11.0.12.2 RTB : ip route-static 10.0.12.1 255.255.255.252 11.0.12.5
- C. RTA : ip route-static 10.0.12.5 255.255.255.252 11.0.12.6 RTB : ip route-static 10.0.12.1 255.255.255.252 11.0.12.1
- D. RTA : ip route-static 0.0.0.0 0.0.0.0 11.0.12.6 RTB : ip route-static 0.0.0.0 0.0.0.0 11.0.12.1
正解: A,B
質問 170
As shown in the figure, the correct description of this network topology is ().
- A. There are 6 collision domains in this network
- B. There are 6 broadcast domains in this network
- C. There are 2 broadcast domains in this network
- D. There are 12 conflict domains in this network
正解: C
質問 171
The network shown in the figure below. The administrator hopes that RTA uses static routing, and preferentially sends data packets to RTB 's Loopback0 interface through G0/0/1 por, while G0/0/2 serves as a backup. So how to configure on RTA to achieve this requirement?
- A. ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 ip route-static 10.0.2.2 255.255.255.255 10.0.21.2 preference 40
- B. ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 preference 70 ip route-static 10.0.2.2 255.255.255.25510.0.21.2
- C. ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 ip route-static 10.0.2.2 255.255.255.255 10.0.21.2
- D. ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 ip route-static 10.0.2.2 255.255.255.255 10.0.21.2 preference 70
正解: D
質問 172
The following rules exist in a certain ACL of the router. rule deny tcp source 192.168.1.0 0.0.0.255 destination 172.16.10.1 0.0.0.0 destination-port eq 21 Which statement is correct?
- A. The source IP of the rule is 192.168.1.1, the destination IP is 72.16.10.3. All TCP packets with the destination port number of 21 match this rule
- B. The source IP is 192.168.1.1, the destination IP is 172.16.10.1, and all TCP packets whose destination port number is 21 match this rule
- C. The type of ACL is a basic ACL
- D. The source IP is 192.168.1.1, the destination IP is 172.16.10.2, and all 1CP packets whose destination port number is 21 match this one
正解: B
質問 173
The configuration information of a router is shown in the figure. Which of the following statements are correct? (Multiple choice)
- A. Use the username huawei for authentication, the password needs to be 654321
- B. The domain with the domain name huawei does not use the billing plan
- C. The authentication method adopted by the domain with the domain name huawei is local ID
- D. The authorization method for the domain with the domain name huawei is local authorization
正解: B,D
質問 174
The Backup ports in RSTP may alternatively failed root port.
- A. True
- B. False
正解: B
質問 175
As shown in the figure below, the wrong statement is:
acl number 2000]
rule 5 deny source 200.0.12.00.0.0.7 rule 10permit source200.0.12.00.0.0.15 #
interface GigabitEthernetO/0/1 traffic-filteroutbound acl2000
- A. The host whose source IP address is 200.0.12.8 cannot access the Internet
- B. The host whose source IP address is 200.0.12.4 cannot access the Internet
- C. The host whose source IP address is 200.0.12.6 cannot access the Internet
- D. The host whose source IP address is 200.0.12.2 cannot access the Internet
正解: A
質問 176
As shown in the figure below, all hosts can pass normally, so what is correct about the correspondence between the MAC address and the port in the MAC table of the SWB?
- A. MAC-A GO/0/2 MAC-B G0/0/2 MAC-C G0/0/3
- B. MAC-A G0/0/1 MAC-B G0/0/2 MAC-C G0/0/3
- C. MAC-A G0/0/1 MAC-B G0/0/1 MAC-C G0/0/3
- D. MAC-A G0/0/3 MAC-B G0/0/3 MAC-C GO/0/1
正解: D
質問 177
Which of the following statements is correct?
- A. The router works at the physical layer
- B. The switch works at the physical layer
- C. The router works at the network layer
- D. The switch works at the network layer
正解: C
質問 178
,:: 1/128 is the IPv6 loopback address.
- A. False
- B. True
正解: B
質問 179
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