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質問 # 201
In the network shown in the figure below, the output information of switch A is shown in the figure. Then in the MAC address table of switch A, which interface does the MAC address of host B correspond to?
- A. GigabitEthernet 0/0/3
- B. GigabitEthernet0/0/1
- C. Eth-Trunk 1
- D. GigabitEthernet0/0/2
正解：C
質問 # 202
When the switch port receives a data frame that does not carry VLAN TAG, it must add PVID
- A. False
- B. True
正解：B
質問 # 203
The link aggregation interface can only be used as a Layer 2 interface.
- A. FALSE
- B. TRUE
正解：A
質問 # 204
Which parameter is used in the spanning tree protocol for root bridge election?
- A. Port ID
- B. Bridge ID
- C. Bridge priority
- D. Root path cost
正解：C
質問 # 205
Which of the following functions does the LCP protocol in the PPP protocol support?
- A. Negotiate the maximum receiving unit MRU
- B. Negotiate authentication agreement
- C. Negotiate network layer address
- D. Detect link loops
正解：A、D
質問 # 206
If the broadcast address of a network is 172.16.1.255, then what may its network address be?
- A. 172.86.1.253
- B. 172.16.2.0
- C. 172.16.1.128
- D. 172.16.1.1
正解：C
質問 # 207
In the network shown in the figure below, the host has an ARP cache, and host A sends a packet to host B.
What are the destination MAC and destination IP of this packet?
- A. MAC-B,11.0.12.1
- B. MAC-D,11.0.12.1
- C. MAC-A,11.0.12.1
- D. MAC-C,10.0.12.2
正解：B
質問 # 208
Which of the following parameters cannot be used in the advanced visit control list?
- A. Physical interface
- B. Destination port number
- C. Protocol number
- D. Time range
正解：A
質問 # 209
As the figure shown: (Multiple Choice)
- A. Client3 belongs to VLAN30, and the command for dividing VLAN on the switch is correct
- B. Client1 belongs to VLAN10, and the command for dividing VLAN on the switch is correct
- C. Client4 belongs to VLAN40, and the command for dividing VLAN on the switch is correct
- D. Client2 belongs to VLAN20, and the switch based on the MAC address division command is correct
正解：B、C、D
質問 # 210
On interfaces that use PPP as the data link layer protocol, you can configure static routes by specifying the next hop address or outbound interface.
- A. False
- B. True
正解：B
質問 # 211
Switches running SIP protocol, the port needs to wait for the forwarding delay in the Learning state before it can be transformed into the Forwarding state.
- A. True
- B. False
正解：B
質問 # 212
Which of the following statements about router-on-a-stick are correct? (Multiple Choice)
- A. Need to create a sub-interface on the router
- B. One physical connection per VLAN
- C. On the switch, configure the port connected to the router as a Trunk port, and allow frames of the relevant VLAN to pass
- D. Use only one physical link connection between the switch and the router
正解：A、C、D
質問 # 213
By default, the bridge priority of Huawei switches is 32768.
- A. False
- B. True
正解：B
質問 # 214
What is the destination IP address of the DHCP DISCOER message?
- A. 224.0.0.2
- B. 224.0.0.1
- C. 255.255.255.255
- D. 127.0.0.1
正解：C
質問 # 215
Which of the following levels is not a common network level in mid-sized campus network architecture?
- A. Convergence layer
- B. Network layer
- C. Access layer
- D. Core layer
正解：B
質問 # 216
Which of the following statements about link aggregation is correct?
- A. When two devices are connected, it is necessary to ensure that the link aggregation mode on both devices is the same.
- B. GE interface and FE interface cannot be added to the same Eth-Trunk interface.
- 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
質問 # 217
Hybrid port can be connected to user host and other switches.
- A. False
- B. True
正解：B
質問 # 218
As shown in the figure, all four switches run STP, and various parameters adopt default values. If the G0/0/2 port of switch C is blocked and the configuration BPDU cannot be sent through this port, how long will it take for the blocked port in the network to enter the forwarding state?
- A. about 3 seconds
- B. about 30 seconds
- C. about 50 seconds
- D. about 15 seconds
正解：C
質問 # 219
Telnetlib is a module that implements the Telnet protocol that comes with Python.
- A. False
- B. True
正解：B
質問 # 220
Using the command mkdir test in the VRP operating platform, the system will create a directory named test.
- A. False
- B. True
正解：B
質問 # 221
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