[Mar-2023] Check your preparation for H3C GB0-381-ENU On-Demand Exam
Practice Exam GB0-381-ENU Realistic Dumps Verified Questions
NEW QUESTION 262
In the OSPF protocol, the destination address used by the DR router to send update packets to all non-DR routers is _____.
- A. 224.0.0.5
- B. 224.0.0.6
- C. 224.0.0.9
- D. the interface address of the non-DR router
- E. 224.0.0.4
Answer: B
NEW QUESTION 263
In the topology shown in the figure, the following configurations are performed on RTA, RTB, RTC, and RTD respectively:
RTA-LoopBack0] ip address 1.1.1.1 255.255.255.255
RTA]ospf 1
RTA-ospf-1]area 1
RTA-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTA-ospf-1]import-route direct
RTB-LoopBack0] ip address 2.2.2.2 255.255.255.255
RTB]ospf 1
RTB-ospf-1]area 1
RTB-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTB-ospf-1-area-0.0.0.1]area 0
RTB-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
RTB-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC-LoopBack0] ip address 3.3.3.3 255.255.255.255
RTC]ospf 1
RTC-ospf-1]area 0
RTC-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC-ospf-1-area-0.0.0.0]area 2
RTC-ospf-1-area-0.0.0.2]nssa no-import-route no-summarRTC-ospf-1-area-0.0.0.2]network 30.0.0.0
0.0.0.255
RTC-ospf-1]import-route direct
RTD-LoopBack0] ip address 4.4.4.4 255.255.255.255
RTD]ospf 1
RTD-ospf-1]area 2
RTD-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
RTD-ospf-1-area-0.0.0.2]network 4.4.4.4 0.0.0.0
RTD-ospf-1-area-0.0.0.2]nssa
Then _______ may be injected into the backbone area
- A. Tpe3 LSA
- B. Tpe5 LSA
- C. Tpe7 LSA
- D. Tpe4 LSA
Answer: A,B,D
NEW QUESTION 264
As shown in the figure, the MSR router of the headquarters is connected to the branch through the Ethernet interface E1/0, and the connection is backed up through the ISDN network. Which of the following options is the most feasible at this time?
- A. The RIP protocol runs on the Ethernet link between the headquarters and the branch. Set a static route, the outgoing interface is Bri2/0, and the priority value is 200
- B. The OSPF protocol is run on the Ethernet link between the headquarters and the branch. Set a static route, the outgoing interface is Bri2/0, and the priority value is 0
- C. The OSPF protocol runs on the Ethernet link between the headquarters and the branch. Set a static route, the outgoing interface is Bri2/0, and the priority value is 5
- D. The RIP protocol runs on the Ethernet link between the headquarters and the branch. Set a static route, the outgoing interface is Bri2/0, and take the default priority value
Answer: A
NEW QUESTION 265
Configure the silent interface on the router so that the router does not send OSPF protocol messages. The command is _______.
- A. RTA-ospf-1-area-0.0.0.1]silent-interface serial2/0
- B. RTA-ospf]silent-interface serial2/0
- C. RTA-Serial2/0]silent-interface
- D. RTA-ospf-1]silent-interface serial2/0
Answer: D
NEW QUESTION 266
The content carried in the OPEN message of the BGP protocol includes __________
- A. ID of the router
- B. BGP protocol version number
- C. NLRI
- D. optional parameter
Answer: A,B
NEW QUESTION 267
The advantages of DR/BDR election in OSPF protocol include ______.
- A. After the DR fails, the BDR becomes the DR immediately, which can reduce the convergence time after the route change
- B. The router with the highest stability becomes the DR/BDR, which can enhance the robustness of the network
- C. Reduced number of adjacencies maintained
Answer: A,C
NEW QUESTION 268
In the topology shown in the figure, the following configurations are performed on RTA, RTB, RTC and RTD respectively:
RTA-LoopBack0] ip address 1.1.1.1 255.255.255.255
RTA]ospf 1
RTA-ospf-1]area 1
RTA-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTA-ospf-1]import-route direct
RTB-LoopBack0] ip address 2.2.2.2 255.255.255.255
RTB]ospf 1
RTB-ospf-1]area 1
rtb-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTB-ospf-1-area-0.0.0.1]area 0
rtb-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
RTB-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC-LoopBack0] ip address 3.3.3.3 255.255.255.255
rtc]ospf 1
RTC-ospf-1]area 0
RTC-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
rtc-ospf-1-area-0.0.0.0]area 2
rtc-ospf-1-area-0.0.0.2]nssa
rtc-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
rtc-ospf-1-area-0.0.0.2]network 3.3.3.3 0.0.0.0
RTD-LoopBack0] ip address 4.4.4.4 255.255.255.255
RTD]ospf 1
RTD-ospf-1]area 2
RTD-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
rtd-ospf-1-area-0.0.0.2]nssa
RTD-ospf-1]import-route direct
Which of the following routes may exist in the RTD's routing table ______.
- A. 1.1.1.1/32
- B. 3.3.3.3/32
- C. 2.2.2.2/32
- D. 0.0.0.0/0
Answer: B,C
NEW QUESTION 269
In the topology shown in the figure, the RTA needs to be configured to introduce the default route in the OSPF area.
Which of the following configurations can achieve the above purpose?
- A. RTA-ospf-1] area 0 RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTA-ospf-1] default-route-advertise RTA] ip route-static 0.0.0.0 0.0.0.0 192.168.0.2
- B. RTA-ospf-1] area 0 RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTA-ospf-1] default-route-advertise
- C. RTA-ospf-1] area 0 RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTA-ospf-1] default-route-advertise alwa RTA] ip route-static 0.0.0.0 0.0.0.0 192.168.0.2
- D. RTA-ospf-1] area 0 RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTA-ospf-1] default-route-advertise alwa
Answer: A,C,D
NEW QUESTION 270
In the network shown in the figure, the BGP route learning among the routers is normal, and the BGP route attributes all take the default values.
After the route 9.0.0.0 is imported into BGP on RTD, if the next hop of route 9.0.0.0 on RTA is to point to RTB, the following adjustment methods are feasible: ______
- A. Set the route MED value sent by RTC to RTA to 200
- B. Set the route MED value sent by RTC to RTA to 50
- C. Set the MED value of the route sent by RTB to RTA to 200
- D. Set the MED value of the route sent by RTB to RTA to 50
Answer: A,D
NEW QUESTION 271
B In the topology shown in the figure, perform the following configuration in RTA:
RTA-ospf-1-area-0.0.0.1]network 192.168.0.0 0.0.0.255
RTA-ospf-1-area-0.0.0.1]network 192.168.1.0 0.0.0.255
RTA-ospf-1-area-0.0.0.1]network 192.168.2.0 0.0.0.255
RTA-ospf-1-area-0.0.0.1]network 192.168.3.0 0.0.0.255
It is required that the RTC must not learn the routes configured in the above RTA. What configurations can be performed on the router?
- A. RTB] acl number 2000 RTB-acl-basic-2000] rule 0 permit source 192.168.0.0 0.0.255.255 RTB-ospf-1-area-0.0.0.1] filter 2000 export
- B. RTC] acl number 2000 RTC-acl-basic-2000] rule 0 permit source 192.168.0.0 0.0.255.255 RTC-ospf-1] filter-polic2000 import
- C. RTB-ospf-1-area-0.0.0.1]abr-summar192.168.0.0 255.255.252.0 not-advertise
- D. RTB] acl number 2000 RTB-acl-basic-2000] rule 0 permit source 192.168.0.0 0.0.255.255 RTB-ospf-1] filter-polic2000 import
Answer: C
NEW QUESTION 272
In the topology shown in the figure, the following configurations are performed on RTA, RTB, RTC and RTD respectively:
RTA-LoopBack0] ip address 1.1.1.1 255.255.255.255
RTA]ospf 1
RTA-ospf-1]area 1
RTA-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTA-ospf-1]import-route direct
RTB-LoopBack0] ip address 2.2.2.2 255.255.255.255
RTB]ospf 1
RTB-ospf-1]area 1
RTB-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTB-ospf-1-area-0.0.0.1]area 0
RTB-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
RTB-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC-LoopBack0] ip address 3.3.3.3 255.255.255.255
RTC]ospf 1
RTC-ospf-1]area 0
RTC-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC-ospf-1-area-0.0.0.0]area 2
RTC-ospf-1-area-0.0.0.2]nssa
RTC-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
RTC-ospf-1-area-0.0.0.2]network 3.3.3.3 0.0.0.0
RTD-LoopBack0] ip address 4.4.4.4 255.255.255.255
RTD]ospf 1
RTD-ospf-1]area 2
RTD-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
RTD-ospf-1-area-0.0.0.2]nssa
RTD-ospf-1]import-route direct
Which of the following routes may exist in the RTD routing table ______.
- A. 1.1.1.1/32
- B. 3.3.3.3/32
- C. 2.2.2.2/32
- D. 0.0.0.0/0
Answer: B,C
NEW QUESTION 273
Which of the following statements about the AS_PATH attribute is true:
- A. When advertising routes to EBGP neighbors, if the AS_PATH of a route contains the AS number of the peer, the route will not be sent to the peer
- B. All BGP routes must contain AS_PATH, even if AS_PATH is empty
- C. AS_PATH is an optional pass-through attribute
- D. When advertising routes to EBGP neighbors, if the AS_PATH of a route contains the AS number of the peer, the route will be ignored
Answer: B,D
NEW QUESTION 274
When the area authentication and domain authentication are configured in IS-IS, the IS-IS message types to be verified include _________.
- A. PSNP
- B. CSNP
- C. LSP
- D. Hello
Answer: A,B,C
NEW QUESTION 275
The topology of a certain network is complex, and there are multiple paths between the core and the branch. In order to control the routing between the core and the branch, effectively use the bandwidth resources, and reduce the maintenance cost, which of the following measures is optimal?
- A. Use RIP as the routing protocol between core and branch, and control routing by adjusting routing priority
- B. Use fast rerouting technology between core and branch
- C. Use IPSec to encrypt routing protocol packets between core and branch
- D. Use IS-IS as the routing protocol between core and branch, and control routing through routing policy
Answer: D
NEW QUESTION 276
In the topology shown in the figure, the correct IP addresses have been configured on RTA, RTB and RTC, and the network layer is reachable.
If OSPF neighbors need to be established between routers and routes are transmitted correctly, which of the following configurations is definitely feasible?
- A. RTA] ospf 1 router-id 1.1.1.1 RTA-ospf-1] peer 192.168.1.2 RTA-ospf-1] peer 192.168.1.3 RTA-ospf-1] area 0 RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTB] ospf 1 router-id 2.2.2.2 RTB-ospf-1] area 0 RTB-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTC] ospf 1 router-id 3.3.3.3 RTC-ospf-1] area 0 RTC-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
- B. RTA-Serial5/0] ospf dr-priorit50 RTA] ospf 1 router-id 1.1.1.1 RTA-ospf-1] peer 192.168.1.2 RTA-ospf-1] peer 192.168.1.3 RTA-ospf-1] area 0 RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTB] ospf 1 router-id 2.2.2.2 RTB-ospf-1] peer 192.168.1.1 RTB-ospf-1] area 0 RTB-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTC] ospf 1 router-id 3.3.3.3 RTC-ospf-1] peer 192.168.1.1 RTC-ospf-1] area 0 RTC-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
- C. RTA] ospf 1 router-id 1.1.1.1 RTA-ospf-1] area 0 RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTB] ospf 1 router-id 2.2.2.2 RTB-ospf-1] area 0 RTB-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTC] ospf 1 router-id 3.3.3.3 RTC-ospf-1] area 0 RTC-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
- D. RTA-Serial5/0] fr map ip 192.168.1.3 20 broadcast RTA-Serial5/0] fr map ip 192.168.1.2 50 broadcast RTA-Serial5/0] ospf network-tpe p2mp RTA] ospf 1 router-id 1.1.1.1 RTA-ospf-1] area 0 RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTB-Serial5/0] fr map ip 192.168.1.1 30 broadcast RTB-Serial5/0] ospf network-tpe p2mp RTB] ospf 1 router-id 2.2.2.2 RTB-ospf-1] area 0 RTB-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTC-Serial5/0] fr map ip 192.168.1.1 40 broadcast RTC-Serial5/0] ospf network-tpe p2mp RTC] ospf 1 router-id 3.3.3.3 RTC-ospf-1] area 0 RTC-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
Answer: B,D
NEW QUESTION 277
In BGP route selection, for the following four attributes, the order that the system considers is _______.
1. MED
2. Orign
3. As-path
4. Local preference
- A. 2 , 3 , 1 , 4
- B. 4 , 3 , 1 , 2
- C. 4 , 3 , 2 , 1
- D. 2 , 4 , 1 , 3
Answer: C
NEW QUESTION 278
Which of the following statements about IToIP is false is _______.
- A. IToIP closely connects applications and infrastructure, greatly improving the operating efficiency of IT systems.
- B. IToIP requires that an IT system be constructed with an IP network as the infrastructure.
- C. Various IT resources can easily share and use the standard IP infrastructure to realize the further integration of various technologies and applications such as communication, computing, storage, and network.
- D. An IT system based on IToIP can create a standard, compatible, secure, intelligent and manageable IT application environment for users.
Answer: A
NEW QUESTION 279
In the three autonomous systems shown in the figure, AS200 is the filtering AS of AS100 and AS300, and AS100 internally generates routes
10.1.1.0/24 , 10.1.2.0/24 , 10.1.3.0/24 .
The main device configuration is shown below.
RTC:
bgp 100
aggregate 10.1.0.0 255.255.0.0
network 10.1.1.0 255.255.255.0
network 10.1.2.0 255.255.255.0
network 10.1.3.0 255.255.255.0
undo snchronization
peer 200.1.2.2 as-number 200
RTB :
bgp 200
aggregate 10.1.0.0 255.255.0.0 as-set detail-suppressed
undo snchronization
peer 200.1.2.1 as-number 100
peer 200.1.3.2 as-number 300
The following statement is correct about the routing learning on each device.
- A. On the RTA, the AS-PATH attribute of the 10.1.0.0/16 route is 200 and 100, and the AGGRAGATOR ID of this route is the address of the RTC.
- B. On RTA, the AS-PATH attribute of the 10.1.0.0/16 route is 200, and the AGGRAGATOR ID of this route is the address of RTB.
- C. RTA1 can only learn the aggregated route of 0.1.0.0/16.
- D. On RTA, the AS-PATH attribute of the 10.1.0.0/16 route is 200 and 100, and the AGGRAGATOR ID of this route is the address of RTB.
Answer: C,D
NEW QUESTION 280
B As shown in the figure, RTA, RTB, and RTC run OSPF, and the process number is 100; RTA, RTB, and RTD run OSPF process 200. The cost of all interconnected links is set to 10. Set the external route priority of OSPF 100 to 190 on RTA and RTB, and import an external route 172.16.1.0/24 to OSPF100 on RTC. Both RTA and RTB are set to import routes from OSPF100 to OSPF200.
According to the above scenario analysis, the following description about RTD learning external route 172.16.1.0/24 is correct ______.
- A. There is a route to 172.16.10.0/24 on RTD, the next hop may point to RTA or RTB
- B. There are two equal-cost routes to 172.16.10.0/24 on RTD, and the next hop points to RTA and RTB respectively
- C. Route 172.16.10.0/24 could not be learned on RTD
- D. There is a route to 172.16.10.0/24 on RTD, the next hop must point to RTA
Answer: A
NEW QUESTION 281
Advantages of the hierarchical network model include _______. (select one or more)
- A. Enhanced network scalability
- B. Increase network throughput
- C. Reduce end-to-end latency
- D. Ease of network maintenance
Answer: A,D
NEW QUESTION 282
As shown in the figure, the MSR router at the headquarters is connected to the branch through two 100Mbps Ethernet links. To make full use of the existing bandwidth resources, which of the following routing schemes is the best?
- A. The two Ethernet links between the headquarters and branches run RIP protocol at the same time to realize ECMP
- B. The main link runs OSPF, static routing is configured, and the outgoing interface points to the backup link
- C. Run RIP on the main link, configure static routing, outgoing interface points to the backup link, set the priority value to 150
- D. The primary link runs OSPF, and the backup link runs RIP
Answer: A
NEW QUESTION 283
On MSR routers, the default OSPF link cost values for Gigabit Ethernet and 10 Gigabit Ethernet are ______ respectively.
- A. 1 , 1
- B. 1 , 10
- C. 1 , 100
- D. 10 , 10
Answer: B
NEW QUESTION 284
In the topology shown in the figure, by executing the import-route direct command on RTA, inject 192.168.0.0/24, 192.168.1.0/24, 192.168.2.0/24, 192.168.3.0/24 and 192.168.4.0/ 24 These five routes, and perform the following configuration on RTA, RTB and RTC respectively:
RTA]ospf 1
RTA-ospf-1]area 1
RTA-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTA-ospf-1-area-0.0.0.1]network 1.1.1.1 0.0.0.0
RTA-ospf-1-area-0.0.0.1]nssa
RTA-ospf-1]asbr-summar192.168.0.0 255.255.224.0 not -advertise
RTB]ospf 1
RTB-ospf-1]area 1
RTB-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTB-ospf-1-area-0.0.0.1]nssa default-route-advertise
RTB-ospf-1-area-0.0.0.1]area 0
RTB-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
RTB-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC]ospf 1
RTC-ospf-1]area 0
RTC-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0
RTC-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
Then the impossible routes in the RTC routing table are _____
- A. 1.1.1.1/32
- B. 192.168.0.0/20
- C. 2.2.2.3/32
- D. 192.168.3.0/24
Answer: B,D
NEW QUESTION 285
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