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質問 # 148
Which of the following role of the switch in the stacking system is not included?
- A. Candidate switch
- B. From the switch
- C. Backup switch
- D. Main switch
正解：A
質問 # 149
When a device running BGP finds that its AS number is in AS_Path after receiving a BGP route, which of the following processing methods will it adopt?
- A. Delete your own AS number in AS_Path and forward it
- B. Discard directly
- C. Notify the neighbors through the Notification message first, and then discard the route
- D. Direct forwarding to peers
正解：B
質問 # 150
Which of the following are sources of demand for network optimization? (Multiple choice)
- A. The environmental problem of a weak electric well, the signal line is seriously aging, and needs to be replaced intensively
- B. It is necessary to carry out video conferencing services in the network, and it is necessary to add switching equipment that supports Layer 2 multicast kinetic energy
- C. Enterprise information security needs, adding new security equipment
- D. After long-term network maintenance, put forward relevant suggestions for some problems and improvement points summarized, and carry out centralized rectification
正解：A、B、C、D
質問 # 151
In the N+1 backup network of WLAN, which of the following statements about option43 is correct? (Multiple choice)
- A. The command to configure the option43 parameter field of the DHCP server to the IP addresses of the primary and standby ACs is option43 sub-0ption 2 ip-address ip-address &<1-8>
- B. If the AC of the IP address advertised by option 43 does not respond to the AP, the AP will find that the AC will immediately fail
- C. To configure the option 43 field, the AP needs to be notified of the IP addresses of the primary AC and backup AC to which it belongs, and also the IP addresses of other primary ACs.
- D. After the option 43 field is configured, the AP will only send unicast Discovery Request messages to the AC IP address advertised by option 43
正解：A、D
質問 # 152
Which routes among the following options satisfy the following ACL parents? (Multiple choice)
[HUAWEI] acl number 2001
[HUAWEI-acl-basic- 2001] rule 0 permit source 10.1.1.0 0.0.254.255
- A. 10.1.3.1/32
- B. 10.1.1.1/32
- C. 10.1.2.1/32
- D. 10.1.4.1/32
正解：A、B
質問 # 153
Which of the following descriptions about the security zone of the firewall is correct?
- A. The same interface of the firewall can belong to different security zones
- B. The built-in security zone of the firewall can be deleted
- C. Different interfaces of the firewall can belong to the same security zone
- D. Different security areas of the firewall can have the same priority
正解：C
質問 # 154
ACL can be divided into which of the following categories? (Multiple choice)
- A. User-defined ACL
- B. Basic ACLs
- C. Advanced ACLs
- D. Layer 2 ACL
正解：A、B、C、D
質問 # 155
Which of the following log levels are available in the USG series firewalls? (Multiple choice)
- A. Error
- B. Informational
- C. Emergency
- D. Event
- E. Alert
- F. Monitoring
正解：A、B、C、E
質問 # 156
To achieve the traffic filtering function, can use traffic-flter or MQC. Compared with traffic-filter, MQC can be called in more views.
- A. True
- B. False
正解：A
質問 # 157
In the network shown in the figure, R1 is configured with route penetration, then R1 sends the LSP of Level1-2 to R3, so that R3 can learn the entire network route.
- A. False
- B. True
正解：A
質問 # 158
In the live network, the stack upgrade can be performed by specifying the version or actively synchronizing the version with the main switch when the new switch joins. Which of the following methods is used to upgrade by sub-area?
- A. Smooth upgrade
- B. Traditional upgrade
- C. Transition upgrade
- D. Intelligent upgrade
正解：A
質問 # 159
Regarding the multicast ASM model and the SSM model, which of the following statements are correct? (Multiple choice)
- A. In the ASM model, the receiver cannot instruct the location of the multicast source in advance
- B. In the SSM model, the receiver already knows the specific location of the multicast source in advance through other means
- C. SSM directly establishes a multicast forwarding tree between the receiver and the multicast source
- D. SSM and ASM use the same multicast address range
正解：A、C
質問 # 160
Which of the following descriptions about AS attributes in BGP is wrong?
- A. When the BGP Speaker advertises this route to the IBGP peer, it will not change the AS_Path attribute related to this route
- B. AS_Path is a recognized must-follow attribute
- C. In order to avoid routing loops that may be caused by route aggregation, BGP designed the AS_Set attribute
- D. AS_Set attribute is an ordered AS_Path attribute
正解：D
質問 # 161
In the OSPF routing protocol, the unit of the bandwidth-reference command is Mbps.
- A. FALSE
- B. TRUE
正解：B
質問 # 162
When the MTU of the interconnection interface of two routers in the broadcast network does not match, and the interface is configured with ospf mtu-enablet, which of the description of the state change of the neighbor relationship between the two routers is correct?
- A. The neighbor relationship between the two devices stays at Exstart
- B. The neighbor relationship between the two devices can enter Full
- C. The neighbor relationship status of the two devices stays in the Init state
- D. The neighbor relationship status of the two devices stays at 2-way
正解：A
質問 # 163
Regarding BGP MED, which of the following descriptions are correct? (Multiple choice)
- A. The default value of BGP route MED is 0
- B. By default, BGP routing rules can compare the distance between routes from different autonomous systems.
- C. In BGP routing rules, the priority of MED is lower than AS-Path, Preferred-Value, Local-Preference, Origin
- D. By default, if the MED value is not set in the route attribute, press the process. If the bestroute med-none-as maximum command is configured. Then handle the maximum MED value of 4294967295
正解：C、D
質問 # 164
Which of the following BGP attributes does not have to exist in the Update message?
- A. Origin
- B. Next Hop
- C. HED
- D. AS_Path
正解：C
質問 # 165
After dual-machine hot backup is configured, the primary and backup channels cannot be established. The information on the primary device cannot be normally backed up to the backup device, resulting in abnormal dual-machine hot backup. What is the possible cause of this failure? (Multiple choice)
- A. The TCP channel is not established
- B. The retransmission times and retransmission intervals of the active and standby service packets at both ends are inconsistent
- C. The priorities of the two ACs are the same
- D. The source IP address and source port number of the local end are inconsistent with the destination IP address and destination port number of the peer end.
正解：A、B、D
質問 # 166
In the VRP operating system, which of the following options can be configured to enter the view of OSPF area 0? (Multiple choice)
- A. [Huawei-ospf-1] area 0
- B. [Huawei-ospf-1] area0.0.0.0
- C. [Huawei] ospf area0
- D. [Huawei-ospf-1] area 0 enable
正解：A、B
質問 # 167
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