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NEW QUESTION # 122
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 # 123
Which of the following port states is not included in the RSTP protocol?
- A. Discarding
- B. Blocking
- C. Learning
- D. Forwarding
Answer: B
NEW QUESTION # 124
Which of the following statements about VLANIF interfaces are correct?
- A. VLANTF interface has no MAC address
- B. VANIF interface does not need to learn MAC address
- C. VLANIF interface is a three-layer interface
- D. Different VLANIF interfaces can use the same IP address
Answer: C
NEW QUESTION # 125
The number of VLANs that can be created using the commands "vlan batch 10 20" and "vlan batch 10 to 20" respectively is
- A. 11 and 11
- B. 11 and 2
- C. 2 and 2
- D. 2 and 11
Answer: D
NEW QUESTION # 126
The bridge ID of the STP protocol in the switching network is as follows. Which of the following bridge ID switches will become the root bridge?
- A. 32768 00-01-02-03-04-BB
- B. 32768 00-01-02-03-04-AA
- C. 32768 00-01-02-03-04-CC
- D. 4096 00-01-02-03-04-DD
Answer: D
NEW QUESTION # 127
MIB (Management Information Base) is a virtual database that exists only in NMS.
- A. False
- B. True
Answer: A
NEW QUESTION # 128
What is the data link layer MAC address of each VAP on the AP?
- A. BSSID
- B. BSS
- C. ESS
- D. SSID
Answer: A
NEW QUESTION # 129
What is the port number used by the FTP protocol control plane?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 130
All ports on the root bridge switch are designated ports.
- A. True
- B. False
Answer: A
NEW QUESTION # 131
The administrator wants to configure a hundred IP address on the G0/0/0 interface of the router, then which of the following addresses is correct?
- A. 192.168.10.112/30
- B. 127.3.1.4/28
- C. 145.4.2.55/26
- D. 237.6.1.2/24
Answer: C
NEW QUESTION # 132
What is the main function of the DNS protocol?
- A. File transfer
- B. Domain name resolution
- C. Mail transmission
- D. Remote access
Answer: B
NEW QUESTION # 133
When the switch port sends a data frame carrying the same VLAN TAG and PVID, it must strip the VLAN TAG and forward it.
- A. False
- B. True
Answer: A
NEW QUESTION # 134
Which of the following descriptions about the switch is wrong?
- A. The switch can provide network access services for terminal equipment (PC. Server)
- B. Switches generally work at the data link layer
- C. The switch can complete the exchange of data frames
- D. Switches are generally used as network export equipment
Answer: D
NEW QUESTION # 135
The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is wrong?
- A. If the VLAN TAG carried in the data frame is 100, the switch will strip off the VLAN TAG and send it out
- B. If the port receives a data frame without VLAN TAG, the switch needs to add VLAN TAG 100
- C. The port type is Hybrid
- D. If the VLAN TAG carried in the data frame is 200, the switch strips off the VLAN TAG
Answer: A
NEW QUESTION # 136
Which of the following OSPF protocol packets can ensure the reliability of LSA updates?
- A. LSU
- B. DD
- C. LSACK
- D. LSR
Answer: C
NEW QUESTION # 137
Before the STA associates with the AP, it needs to exchange some messages to obtain the SSID. What are these messages?
- A. Probe
- B. Beacon
- C. ResponseProbe Request
- D. Discovery
Answer: C
NEW QUESTION # 138
The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB.
- A. False
- B. True
Answer: A
NEW QUESTION # 139
What kind of message does the OSPF protocol use to confirm the received LSU message?
- A. LSU
- B. LSACK
- C. LSA
- D. LSR
Answer: B
NEW QUESTION # 140
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