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NEW QUESTION # 118
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.
Answer: D
NEW QUESTION # 119
What is the range of VLAN ID that users can use?
- A. 0-4095
- B. 1-4094
- C. 0-4096
- D. 1-4096
Answer: B
NEW QUESTION # 120
The controller is the core component of SDN. The controller connects to the device through the southbound interface. Which of the following belong to the controller southbound protocol? (Multiple Choice)
- A. SNMP
- B. OpenFlow
- C. NETCONF
- D. PCEP
Answer: A,B
NEW QUESTION # 121
Which of the following IPv4 addresses the host uses cannot directly access the Internet?
- A. 50.1.1.1
- B. 200.1.1.1
- C. 10.1.1.1
- D. 100.1.1.1
Answer: C
NEW QUESTION # 122
If the Proto of a route information in the routing table is OSPF, the priority of this route must be 10.
- A. False
- B. True
Answer: A
NEW QUESTION # 123
Which of the following description are wrong about the Forwarding state in the spanning tree protocol? (Multiple choice)
- A. The port in the Forwarding state will definitely send BPDU packets
- B. The port in the Forwarding state can forward data packets
- C. The port in the Forwarding state does not learn the source MAC address of the packet
- D. Ports in Forwarding state can receive BPDU packets
Answer: A,C
NEW QUESTION # 124
According to the command shown in the figure, which of the following description is correct? (Multiple choice )
- A. The PVID of GigabitEthernet0/0/1 port is 11
- B. The PVID of GigabitEthernet0/0/2 port is 10
- C. The PVID of GigabitEthernet0/0/1 port is 10
- D. The PVID of GigabitEthernet0/0/2 port is 1
Answer: C,D
NEW QUESTION # 125
CSS refers to the combination of two switch devices that support cluster features and logically combine them into one switch device.
- A. FALSE
- B. TURE
Answer: B
NEW QUESTION # 126
Which parameter is used in the spanning tree protocol for root bridge election?
- A. Port ID
- B. Bridge priority
- C. Bridge ID
- D. Root path cost
Answer: B
NEW QUESTION # 127
On Huawei ARG3 series routers, what authentication modes does AAA support? (Multiple Choice)
- A. HWTACACS
- B. None
- C. Local
- D. 802.1x
Answer: A,B,C
NEW QUESTION # 128
Which of the following authentication methods does not require the user name and password?
- A. Authentication-mode hwtacacs
- B. authorization-mode hwtacacs
- C. authentication-mode local
- D. authentication-mode none
Answer: D
NEW QUESTION # 129
In the network shown in the figure below, host A logs in to router A through Telnet, and then obtains the configuration file of router B through FTP on the remote interface. How many TCP connections exist on router A at this time?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 130
In the network shown in the figure below, two switches are connected by four links, COPPER refers to electrical interface, and FIBER refers to optical interface. Which of the following two interfaces can achieve link aggregation?
- A. G0/0/3 and G0/0/1
- B. G0/0/2 and G0/0/1
- C. G0/0/2 and FE0/0/3
- D. G0/0/3 and FE0/0/3
Answer: A
NEW QUESTION # 131
The output information of the router R1 routing table is shown in the figure. Which of the following statements is correct? (Multiple Choice)
- A. The data packet whose destination network is 11.0.0.0/8 will be forwarded from the router's GigabitEthernet0/0/0 interface
- B. The router will discard data packets whose destination network is 11.0.0.0/8
- C. The data packet whose destination network is 12.0.0.0/8 will be forwarded from the router's Ethernet070/0 interface
- D. The router will forward data packets whose destination network is 12.0.0.0/8
Answer: A,D
NEW QUESTION # 132
What type of IPv6 address FE80: 2E0: FCFF: FE6F: 4F36 belongs to?
- A. Anycast address
- B. Global semicast address
- C. Multicast address
- D. Link local address
Answer: D
NEW QUESTION # 133
In the network shown in the figure below, all routers run OSPF protocol, which device is ABR? (Multiple choice)
- A. Router B
- B. Router C
- C. Router A
- D. Router D
Answer: A,C
NEW QUESTION # 134
What are the user authentication methods that can be deployed in wlan? (Multiple choice)
- A. MAC authentication
- B. Portal authentication
- C. Radius certification
- D. 802.1X authentication
Answer: A,B,D
NEW QUESTION # 135
The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB.
- A. False
- B. True
Answer: A
NEW QUESTION # 136
A network engineer prompts the following information when entering the command line:
Error: Unrecognized command found at ' ^ ' position. Which of the prompt information is correct?
- A. Wrong parameter type
- B. Input command is not clear
- C. No keyword found
- D. The input command is incomplete
Answer: C
NEW QUESTION # 137
Which of the following advantages does router-on-a-stick achieve inter-VLAN routing intercommunication?
- A. Reduce routing table entries
- B. Reduce the number of equipment
- C. Reduce the number of link connections
- D. Reduce the use of IP addresses
Answer: C
NEW QUESTION # 138
PPPoE session can only use CHAP authentication.
- A. False
- B. True
Answer: A
NEW QUESTION # 139
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