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NEW QUESTION # 152
The command to configure the country code on the AC is?
- A. province-code
- B. country-code
- C. state-code
- D. nation-code
Answer: B
NEW QUESTION # 153
The VTY configuration is shown in the figure, and the user authority level is set to level 3.
- A. True
- B. False
Answer: A
NEW QUESTION # 154
Which of the following IEEE802.11 standards only supports communication in the 2.4GHz frequency band?
- A. 802.11g
- B. 802.11a
- C. 802.11n
- D. 802.11ax
Answer: A
NEW QUESTION # 155
When an IPv6 interface receives a data packet with a value of 1 in the Hop Limit field, it will not forward the data packet.
- A. True
- B. False
Answer: A
NEW QUESTION # 156
Which of the following statements about static routing is wrong?
- A. Low requirements on system performance
- B. Cannot automatically adapt to changes in network topology
- C. Manual configuration by network administrator
- D. Routing information needs to be exchanged between routers
Answer: D
NEW QUESTION # 157
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 in router A at this time?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 158
In the figure below, all the switches have enabled the STP protocol. Assuming that the path cost value of all ports is 200, what is the root path cost value contained in the configuration BPDU message received by the G0/0/4 port of SWD?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 159
The STP protocol is enabled on the two switches shown in the figure below. An engineer made the following conclusions on this network. Which conclusion do you think is correct? (Multiple choice)
- A. The G0/0/2 port of SWA is stable in Forwarding state
- B. Both ports of SWB are designated ports
- C. The G0/0/2 port of SWB is stable in Forwarding state
- D. The G0/0/3 port of ESWA is stable in Forwarding state
- E. Both ports of SWA are designated ports
Answer: A,C,D,E
NEW QUESTION # 160
The router opens the FTP service, the user name and password are both huawei, and the root directory of the FTP is set to? (Multiple choice) flash:/dhcp/, which of the following commands must be configured?
- A. local-user huawei ftp-directory flash:/dhcp/
- B. ftp server enable
- C. local-user huawei password cipher huawei
- D. local-user huawei service-type ftp
Answer: A,B,C,D
NEW QUESTION # 161
Which of the following statements about the election of DR and BDR is correct? (Multiple choice)
- A. If the priority is the same, compare the Router ID, the greater the value, the more preferentially elected as DR
- B. In a broadcast network-there must be DR
- C. There must be a BDR in a broadcast network
- D. If an interface priority is 0, then the interface will not participate in the election of DR or BDR
Answer: A,B,D
NEW QUESTION # 162
Bandwidth determines the rate of data transmission, and the maximum bandwidth of transmission is determined by the minimum link bandwidth on the transmission path.
- A. True
- B. False
Answer: A
NEW QUESTION # 163
Which of the following statements about OSPF neighbor status is correct? (Multiple choice)
- A. The sequence number of the DD message is determined in the Exchange state
- B. After the router LSDB synchronization is completed, it will be converted to the Full state
- C. In the Exchange state, routers send each other DD packets containing link state information summaries, describing the contents of the local LSDB
- D. The OSPF master-slave relationship is formed in the ExStart state
Answer: B,C,D
NEW QUESTION # 164
In order to realize the network layer function on the VLANIF interface, it is necessary to configure which of the following on the VLANIF interface? (Multiple choice)
- A. Subnet mask
- B. MAC address
- C. IP prefix
- D. IP address
Answer: A,D
NEW QUESTION # 165
Which of the following protocols does the RA packet used by IPv6 stateless autoconfiguration belong to?
- A. UDPv6
- B. ICMPv6
- C. IGMPv6
- D. TCPv6
Answer: B
NEW QUESTION # 166
In the network shown in the figure below, two switches are connected by four links, COPPER refers to the electrical interface, and FIBER refers to the optical interface, which of the following two interfaces can achieve link aggregation? (Multiple choice)
- A. G0/0/3 and FE0/0/3
- B. G0/0/2 and G0/0/1
- C. G0/0/3 and G0/0/2
- D. G0/0/2 and FE0/0/3
Answer: B,C
NEW QUESTION # 167
NFV (Network Functional Virtualization), network function virtualization, realizes the deployment of network applications in a software-based manner.
- A. True
- B. False
Answer: A
NEW QUESTION # 168
The Layer 2 switch belongs to the data link layer device, which can identify the mac address information in the data frame, forward the data according to the mac address, and record these mac addresses and corresponding port information in its own mac address table.
- A. True
- B. False
Answer: A
NEW QUESTION # 169
Trunk ports can allow multiple VLANs to pass through, including VLAN 4096.
- A. False
- B. True
Answer: A
NEW QUESTION # 170
The network management workstation manages network devices through the SNMP protocol. When an abnormality occurs in the managed device, what kind of SNMP message will the network management workstation receive?
- A. get-request message
- B. set-request message
- C. trap message
- D. get-response message
Answer: C
NEW QUESTION # 171
What is the port number used by the FTP protocol control plane?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 172
RTA uses NAT technology, and implements many-to-many NAPT address translation by defining an address pool, so that hosts in the private network can access the public network. Suppose there are only two public IP addresses in the address pool, and they have been assigned to hosts A and B for address translation. If host C also wants to access the public network, which of the following description is correct?
- A. Host C cannot be assigned a public network address and cannot access the public network
- B. RTA assigns the interface address (200.10.10.3) to host C, and host C can access the public network
- C. All hosts can access the public network by using the public network address in turn
- D. RTA converts the source port of host C, and host C can access the public network
Answer: D
NEW QUESTION # 173
CSS refers to the combination of two switch devices that support the cluster feature, logically combining into one switch device.
- A. True
- B. False
Answer: A
NEW QUESTION # 174
The administrator cannot log in to the Huawei router through Telnet, but other administrators can log in normally, so which of the following items is the possible reason? (Multiple choice)
- A. The administrator user account has been deleted
- B. The permission level of the administrator user account has been changed to 0
- C. The Telnet service of the AR2200 router has been disabled
- D. The administrator user account has been disabled
Answer: A,D
NEW QUESTION # 175
Which of the following port numbers is used by network devices running SNMPv2c protocol to send Trap messages to the network management system by default?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 176
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