Huawei H12-211 Exam Practice Questions (P. 3)
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Question #21

Refer to the capture output. The administrator has captured three packets in the network. Which statement regarding the captured packets is incorrect?
- AThis packets represent a TCP three-way handshake process.
- B10.0.12.1 is the telnet server, while 10.0.12.2 is the telnet client.
- CThe three packets contain no application data.
- D10.0.12.1 uses port 50190 to buid the telnet connection.
Correct Answer:
B
B
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Question #22
An Ethernet frame is captured by network protocol analyzer tool and the value of Type/Length field is 0x0800.
Which of the following statements about the frame are correct? (Choose two)
Which of the following statements about the frame are correct? (Choose two)
- AThe frame structure of the frame is Ethernet_II
- BThe frame structure of the frame is 802.3
- CIts upper layer protocol is IP
- DIts upper layer protocol is IPX
Correct Answer:
AC
AC
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Question #23
Which of the following descriptions regarding the TTL field of the IP packet is correct?
- AThe TTL defines how many packets the source can send.
- BThe TTL defines the duration during which the source can send packets.
- CThe TTL value will decrement by 1 each time the packet is routed.
- DThe TTL value will increment by 1 each time the packet is routed.
Correct Answer:
C
C
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Question #24
Which of the following statements are correct about TTL field in IP packet? (Choose two)
- AThe maximum value of TTL is 65535.
- BNormally, it's impossible for a router to receive a packet whose TTL is zero.
- CThe main purpose of TTL is to prevent IP packets from circulating endlessly in a network which can consume a lot of bandwidth.
- DTTL value will be decremented as a packet is passed through the network devices such as hub, LAN switch and router.
Correct Answer:
BC
BC
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Question #25
In the case of Huawei router, what is the "-i" parameter in a Ping command issued on a VRP operating system used to set?
- AInterface for sending an Echo Request packet
- BSource IP address for sending an Echo Request packet
- CInterface for receiving an Echo Reply packet
- DDestination IP address for receiving an Echo Reply packet
Correct Answer:
A
A
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Question #26
To provide the information about the IP addresses that a user packet traverses along the path to the destination, which of the following does Tracert record in each expired ICMP TTL packet?
- ADestination port
- BSource port
- CDestination IP address
- DSource IP address
Correct Answer:
D
D
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Question #27
Which of the following statements regarding the verification of IP connectivity are false? (Choose three)
- AThe ping 127.0.0.1 command can be used to check whether the network cable is correctly inserted into the host's Ethernet port.
- BThe ping command with the host IP address as the destination can be used to verify that the TCP/IP protocol suite is functioning correctly.
- CThe ping command can be used to verify connectivity between the host and the local gateway.
- DThe command "ipconfig /release" can be used to check connectivity problems between the host and the local gateway.
Correct Answer:
ABD
ABD
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Question #28
A network administrator uses the ping command to check for points of failure in the network.
Which protocols will be used during this process? (Choose two)
Which protocols will be used during this process? (Choose two)
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Question #29
A network administrator recently used tracert to trace the path to the destination IP address of an external website, however the trace path displayed only a timeout result.
Which of the following statements correctly explains the reason for this? (Choose two)
Which of the following statements correctly explains the reason for this? (Choose two)
- AThe source router had shutdown the ICMP function.
- BThis destination IP address does not exist.
- CThe gateway cannot find a route to the destination.
- DThis is a normal phenomenon.
Correct Answer:
BC
BC
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Question #30

A network administrator uses the ping command to test connectivity to the destination 10.0.0.2 on a Huawei AR series router.
Which statement regarding the output is correct?
- AThe network administrator used the command ping -c 2 -s 800 10.0.0.2
- BThe network administrator used the command ping -a 2 -v 800 10.0.0.2
- CThe path between the source and destination is not OK.
- DThe network administrator changed the default TTL value.
Correct Answer:
A
A
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