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NEW QUESTION 32
Static NAT can only achieve one-to-one mapping between private addresses and public addresses.
- A. False
- B. True
Answer: B
NEW QUESTION 33
The function of 0SPF hello message is (). (Multiple Choice)
- A. Update LSA information
- B. Synchronize the LSDB of the router
- C. Maintain neighbor relations
- D. Neighbor discovery
Answer: C,D
NEW QUESTION 34
What is the maximum negotiation rate supported by the IEEE 802.llg standard?
- A. 1200Mbps
- B. 150Mbps
- C. 54Kbps
- D. 300Mbps
Answer: C
NEW QUESTION 35
Trunk ports can allow multiple VLANs to pass, including VLAN4096.
- A. False
- B. True
Answer: A
NEW QUESTION 36
Which of the following fields does the MPLS header include? (Multiple choice)
- A. Tos
- B. Label
- C. TTL
- D. EXP
Answer: B,C,D
NEW QUESTION 37
The IEEE 802.11ac standard only supports the 5GHz frequency band.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 38
In the network shown in the figure below, host A is not configured with a gateway, and host B has the ARP cache of the gateway. Use the command ping 11.0.12.1 on host A.
Which of the following statements are correct?
- A. The destination MAC address of the data frame sent by host A is MAC-C
- B. The destination MAC address of the data frame sent by host A is MAC-B
- C. The IP address of the data packet sent by host A is 11.0.12.1
- D. No data packets will be sent from host A
Answer: D
NEW QUESTION 39
When two OSPF routers form a 2-WAY neighbor relationship, the LSDB has been synchronized.
- A. False
- B. True
Answer: A
NEW QUESTION 40
The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue configurations.
- A. False
- B. True
Answer: A
NEW QUESTION 41
The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability.
- A. False
- B. True
Answer: B
NEW QUESTION 42
What is the coverage area of an AP in WLAN?
- A. SSID
- B. BSS
- C. BSSID
- D. ESS
Answer: A
NEW QUESTION 43
As shown in the figure below, which port of the following switches will be blocked?
- A. SWA G0/0/3
- B. SWB G0/0/3
- C. SWC G0/0/2
- D. SWC G0/0/1
Answer: D
NEW QUESTION 44
In the OSI reference model, what can complete end-to-end error detection and flow control?
- A. Data link layer
- B. Transport layer
- C. Network layer
- D. Physical layer
Answer: B
NEW QUESTION 45
The second layer ACL can match the source MAC, destination MAC, source IP, destination IP and other information.
- A. False
- B. True
Answer: A
NEW QUESTION 46
For the description of the PPP link establishment process, which of the following statement is wrong?
- A. In the Establish phase, the PPP link performs LCP parameter negotiation. The negotiation content includes the maximum receiving unit MRU, authentication method, magic word and other options.
- B. PPP link supports half-duplex and full-duplex modes
- C. After the NCP negotiation is successful, the PPP link will maintain the communication state and enter the Terminate phase.
- D. In the Network phase, the PPP link performs NCP negotiation. Select and configure a network layer protocol through NCP negotiation, and negotiate network layer parameters
- E. The Dead phase is also called the physical layer unavailable phase. When the two ends of the communication detect that the physical line is activated, they will migrate from the Dead phase to the Establish phase, which is the link establishment phase.
Answer: C
NEW QUESTION 47
vty configuration as shown in the figure, the user authority level is set to level 3.
[Huawei]user-interface vty o 14
[Huawei-ul-vtyo-14]acl 200o inbound
[Huavei-ui-vtyo-14]user privilege level 3
[Huavei-ui-vtyo-14]authentication-node password Please configure the login password (maxim length 16):huawei
- A. False
- B. True
Answer: B
NEW QUESTION 48
What are the characteristics of VLAN based on port?
- A. Assign VLAN ID according to the protocol type and encapsulation format of the data frame
- B. Add VLAN tags to the data frame according to the IP address carried in the message
- C. No need to reconfigure VLAN when the host moves
- D. The host mobile location needs to be reconfigured VLAN
Answer: D
NEW QUESTION 49
Which of the following advantages does the router-on-a-stick approach achieve routing intercommunication between VLANs?
- A. Reduce the number of equipment
- B. Reduce the use of IP addresses
- C. Reduce routing table entries
- D. Reduce the number of chain connections
Answer: D
NEW QUESTION 50
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