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NEW QUESTION # 400
The existing R1 and R2 form a VRRP backup group with a VRID of 2. If the user wants to set R1 as the gateway for forwarding data in the backup group, which of the following configurations can be used to achieve this? (Multiple choice)
- A. Set the VRRP priority of R1 to 255, and keep the default value of R2
- B. Set the VRRP priority of R1 to 200, and keep the default value of R2
- C. Set the VRRP priority of R2 to 0, and keep R1 at the default value
- D. Set the VRRP priority of R2 to 50, and keep R1 at the default value
Answer: B,D
NEW QUESTION # 401
Which of the following descriptions about the limitations of traditional traffic statistics is wrong?
- A. It needs to consume the interface of the equipment. For the ports that cannot be mirrored, it is necessary to purchase supporting equipment to access, and the cost is high
- B. Statistics cannot be collected for flows other than ACL rules
- C. Based on the counting of IP packets, the statistical information is simple and cannot be counted for various information
- D. Through the SNIP protocol for traffic statistics, it is necessary to continuously query the network management through polling, wasting CPU and network resources
Answer: B
NEW QUESTION # 402
Which of the following descriptions about the Cluster List attribute in BGP is wrong?
- A. Cluster_List is generated by the route reflector, which consists of a series of Cluster_ID
- B. The attribute is an optional transition type
- C. When RR receives a BGP route carrying the Cluster_List attribute, and the attribute value contains the Cluster_ID of the cluster , RR considers that there is a loop in this route, so it will ignore the update about this route
- D. When a route is reflected by the reflector, the Cluster_ID of the RR will be added to the Cluster_List attribute of the route
Answer: B
NEW QUESTION # 403
Regarding the description of the Keepalive message of BGP, the error is:
- A. Keepalive messages are mainly used to confirm the running status and link availability between peer routers
- B. The Keepalive message contains only one BGP data header
- C. Keepalives are periodically sent between two BGP neighbors
- D. By default, the Keepalive interval is 180s
Answer: D
NEW QUESTION # 404
Which of the following descriptions about OSPF is wrong?
- A. When the network type is broadcast, the MTU in the received Hello message must be consistent with the configuration of the receiving port
- B. When the network type is broadcast, the Dead Interval field in the received Hello message must be consistent with the configuration of the receiving port
- C. When the network type is broadcast, the Hello Interval field in the received Hello message must be consistent with the configuration of the receiving port
- D. When the network type is broadcast, the Network Mask field in the received Hello message must be consistent with the network mask of the receiving port
Answer: A
NEW QUESTION # 405
As shown in the figure, all the ports recorded in the figure are in the same OSPF domain. If the path from R1 to 10.0.0.1 needs to be R1--->R2--->R3, which of the following can be used item configuration?
- A. Modify the G0/0/2 interface cost value of R2 to 20
- B. Modify the G0/0/0 interface cost value of R3 to 1
- C. No need to make any changes
- D. Modify the G0/0/1 interface cost value of R1 to 30
- E. Modify the G0/0/1 interface cost value of R3 to 22
- F. Modify the cost value of the G0/0/0 interface of R1 to 0
Answer: D
NEW QUESTION # 406
What is the sequence of the VLAN Pool assigning VLANs to the terminal? (Multiple choice)
- A. Determine the VLAN Pool and VLAN algorithm bound to the VAP
- B. Assign VLAN to the terminal according to the VLAN algorithm
- C. The terminal accesses from the divided VLAN
- D. Terminal access to VAP
Answer: A,B,C,D
NEW QUESTION # 407
In an OSPF network, it is found that some routes are constantly flapping. What are the possible reasons for this phenomenon? (Multiple choice)
- A. The OSPF Router-ID of some devices conflict
- B. The physical port of the device is vibrating
- C. The authentication of some devices does not match and the neighbor cannot be established
- D. The OSPF process IDs of some devices are inconsistent
Answer: A,B,C
NEW QUESTION # 408
Which of the following OSPF areas can only reach other areas through the default route?
- A. Non-backbone area
- B. Backbone area
- C. totally stub area
- D. NSSA
Answer: C
NEW QUESTION # 409
Which is the correct description of Route Policy is? (Multiple choice)
- A. The filtering rule relationship of the if-match clause is " and ", that is, all i-match clauses of the node must match
- B. The relationship between Route-Policy nodes is " or ", as long as one node is filtered, the Route-Policy can be passed
- C. The if-match clause is used to match the node's matching conditions, and the apply clause is used to define the routing behavior through filtering
- D. A Route-Policy consists of multiple nodes. A section can contain multiple if-match and apply clauses
Answer: A,B,C,D
NEW QUESTION # 410
As shown in the figure, OSPF is enabled on all interfaces of the router, and the configuration of R1, R2, and R3 is shown in the figure, and a Type3 LSA with a Link State ID other than 0.0.0.0 will be generated. (Please fill in the device name, such as R1)
Answer:
Explanation:
R2 and R3
NEW QUESTION # 411
Regarding the command of OSPF route aggregation, which description is correct? (Multiple choice)
- A. not-advertise is the missing first parameter of the abr-summary command, that is, if the abr-summary command does not specify advertisement, the default is not -advertis
- B. Advertise is the missing first parameter of the abr-summary command, that is, if the abr-summary command does not specify not-advertise, the default is advertise
- C. The asbr-summary command is a command in OSPF view
- D. The abr-summary command is a command in the OSPF area view
Answer: B,C,D
NEW QUESTION # 412
When running OSPFv3 on a Huawei router, the OSPFv3 process will automatically select an interface address as the router ID of the process.
- A. True
- B. False
Answer: B
NEW QUESTION # 413
The following statements about different types of firewalls, which is wrong?
- A. Proxy firewall proxy business between internal network and external network users
- B. Stateful inspection firewall only checks the security policy of the first packet that does not hit the session
- C. The packet filtering firewall must perform ACL matching check for each data packet passing through the firewall
- D. The stateful inspection firewall needs to be configured with security policies in both the " go " and " back " directions of packets
Answer: D
NEW QUESTION # 414
When a router running BGP receives a route whose next hop is unreachable, what should it do?
- A. Refuse to join the BGP routing table, and silently discard
- B. Receive the route, add it to the BGP routing table, participate in the BGP routing rules, may be selected as the best route, and add it to the IP routing table
- C. Send an error message to the router that issued the Update
- D. Receive the route and add it to the BCP routing table. But this route will not be preferred by BCP and will not be added to the IP routing table
Answer: D
NEW QUESTION # 415
The function of routing protocol priority is to assign different priorities to routes discovered by different protocols, so that when a router learns the same route from different routing protocols at the same time, it can have a selection priority.
- A. False
- B. True
Answer: B
NEW QUESTION # 416
Telemetry is mainly used to monitor the network, including packet inspection and analysis, security intrusion and attack detection, intelligent data collection, application performance management, etc.
Which of the following descriptions about Telemetry is wrong?
- A. Support multiple implementation methods to meet the different needs of users
- B. The accuracy of data collection is high, and the types of items are very rich, fully reflecting the network status
- C. The number of managed devices is small, but the accuracy is high, suitable for small and medium-sized networks
- D. It can quickly locate the fault, reaching the fault location speed of second level or even sub-second level
Answer: C
NEW QUESTION # 417
What problem does IGMP Snooping mainly solve?
- A. There are a large number of receiver hosts on the network segment, and the router will receive a large number of IGMP Report messages.
- B. The receiver host only supports the IGMPv2 protocol, but the SSM multicast model is used in the network
- C. IGMP Report message legality issue
- D. Solve the problem of multicast data message broadcasting on Layer 2 devices, which is used to manage and control the forwarding of multicast data messages
Answer: D
NEW QUESTION # 418
The Huawei Cloud Campus solution supports the free mobility function. This function can be configured through graphical policies to enable users to access anytime and anywhere.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 419
As shown in the picture, which of the following statements is correct?
- A. R1 and R2 cannot establish an adjacency relationship because the OSPF process numbers are inconsistent.
- B. R1 and R2 can establish an adjacency relationship and complete route calculation.
- C. R1 and R2 can establish an adjacency relationship, but cannot complete route calculation.
- D. R1 and 2 cannot establish an adjacency system, because the network configuration of the interface is inconsistent.
Answer: C
NEW QUESTION # 420
The command format of the prefix list (IP-Prefx) is ip ip-prefx ip-prefix-name [index index-mnumber] permit/deny] ipv4-address mask-length [greater-equal greater-equal-value] [less -equal less-equalvalue], if only greater-equal is specified but less-equal is not specified, the prefix range is:
- A. Unlimited
- B. [greater-equal-value.32]
- C. [mask-length, greater-equal-value]
- D. [0. greater-equal-value]
Answer: B
NEW QUESTION # 421
BGP selects the route with the best value of the Origin attribute, and the value of the Origin attribute is: EGP, ( ), Incomplete.
Answer:
Explanation:
IGP
NEW QUESTION # 422
Under the VRP platform, which of the description about the default priority of each protocol is correct?
- A. The priority of the ISIS route is 10
- B. The priority of the BGP route is 20
- C. The priority of the OSPF route is 15
- D. The priority of the static route is 60
Answer: D
NEW QUESTION # 423
Which of the following descriptions about URPF (Unicast Reverse Path Forwarding) is correct?
- A. If you deploy URPF in loose mode, if you need to check the default route, you need to check whether the interface matches
- B. If the URPF in hip-loose mode does not need to match detailed routing by default
- C. If the URPF is in strict mode, as long as the packet can match the detailed route, the P address can be considered legal and the packet is allowed to be forwarded
- D. The URPF in strict mode can also be allowed to match the default routing mode at the same time
Answer: D
NEW QUESTION # 424
Two routers running IS-IS can only establish an adjacency relationship if the time interval of lH transmission is the same
- A. True
- B. False
Answer: B
NEW QUESTION # 425
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