H12-811-ENU試験無料問題集（732題）「Huawei HCIA-Datacom V1.0 認定」

出題：1

UDP is connectionless and must rely on () to ensure the reliability of transmission.

A. Transmission Control Protocol

B. Network layer protocol

C. Application layer protocol

D. Internet Protocol

正解：B 解答を投票する

出題：2

As shown in the figure, when the switch needs to forward frames with the destination mac address of 5489-98ec-f011, which of the following descriptions is correct? () (Single-choice question)

A. The switch did not find a matching entry in the mac address table. So the frame will be discarded

B. The switch needs to send a request to discover the device with the mac address of 5489-98ec- f011

C. The switch will be All ports outside flood the frame

D. The switch will send a message that the destination is unreachable to the source device

正解：C 解答を投票する

出題：3

The number of VLANs that can be created using the commands "vlan batch1020 and "vlan batch
10 to 20" respectively is ()

A. 2 and 2

B. 11 and 2

C. 11 and 11

D. 2 and 11

正解：D 解答を投票する

出題：4

What is the length of the Ethernet II frame containing the Ethernet header?

A. 46-1500B

B. 60-1560B

C. 64-1500B

D. 64-1518B

正解：D 解答を投票する

出題：5

The following description of the Forwarding status in the spanning tree protocol is wrong (). ()*

A. Ports in the Forwarding state must send BPDU message

B. Ports in the Forwarding state can forward data packets

C. Ports in the Forwarding state can receive BPDU packets

D. The port in the Forwarding state does not learn the source MAC address of the packet.

正解：A,D 解答を投票する

出題：6

Which of the following statements about link aggregation are correct? ()

A. GE interface and FE interface cannot be added to the same Eth-Trunk interface

B. When two devices are connected, it is necessary to ensure that the link aggregation mode on both devices is the same

C. GE electrical interfaces and GE optical interfaces cannot be added to the same Eth-Trurnk interface

D. Eth-Trurnk interfaces cannot be nested

正解：D 解答を投票する

出題：7

System-view (huawei) command-privilege level3 view user save is correct about the above configuration command ()

A. Modify the permission level of the save command in the user view to 3

B. Modify the user's authority level to 3, and save the configuration

C. Modify the permission level of the user view command to 3, and save the configuration

D. Modify the authority level of the save command used by a user to 3

正解：A 解答を投票する

出題：8

Management Information Base (MIB) Information Base) is a virtual database, which only exists on the NMS. ()

A. True

B. False

正解：B 解答を投票する

出題：9

If the Length/Type of an Ethernet data frame is 0x8100. Which of the following statements is correct?

A. Each data frame must carry VLAN TAG

B. There is always a UDP header in the upper layer of each data frame

C. There is always a TCP header in the upper layer of each data frame

D. The upper layer of a data frame must exist IP header

正解：D 解答を投票する

出題：10

If host A. has the ARP cache of host B., host A. can ping host B. ()

A. True

B. False

正解：B 解答を投票する

出題：11

The IP addresses of the VLANIF interfaces of the same switch cannot be the same. ()

A. True

B. False

正解：A 解答を投票する

出題：12

The Layer 2 networking of WLAN refers to STA. It uses AC as its own gateway. ()

A. True

B. False

正解：A 解答を投票する

出題：13

Which of the following routing protocols has the highest priority?

A. RIP

B. Static

C. OSPF

D. Direct

正解：D 解答を投票する

出題：14

The display startup information of the AR2200 router. Regarding these information, the statement is wrong ()

A. The running configuration file is not saved

B. The system file used for this startup of the device is ar2220-v200r003c00spc00.cc

C. The system file at the next startup of the device can be modified with the command "startup system software"

D. The system file cannot be modified when the device is started next time

正解：D 解答を投票する

出題：15

The Trunk port can send both tagged data frames and untagged data frames.

A. True

B. False

正解：A 解答を投票する

出題：16

SNMP messages are carried over UDP.

A. True

B. False

正解：A 解答を投票する

出題：17

Which of the following is not the reason why RSTP can increase the speed of convergence? ()

A. Forward.Delay cancelled

B. The introduction of edge ports

C. P/A. Mechanism

D. Fast switching of the root port

正解：A 解答を投票する

出題：18

Both pwD. and dir commands in the VRP operating platform can view the file information in the current directory, ()

A. True

B. False

正解：B 解答を投票する

出題：19

If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the first packet sent by this host? ()

A. 0.0.0.0

B. 169.254.2.33

C. 255.255.255.255

D. 127.0.0.1

正解：A 解答を投票する

H12-811-ENU試験無料問題集「Huawei HCIA-Datacom V1.0 認定」