2022 Latest GB0-381-ENU Exam Dumps Recently Updated 522 Questions
H3C GB0-381-ENU Real 2022 Braindumps Mock Exam Dumps
NEW QUESTION 84
The networking is as shown in the figure, RTA and RTB are located in AS 100, RTC, RTD, RTE are located in AS 200, AS 100 advertises BGP route 1.0.0.0/24 to AS 200, the main configuration of BGP of RTC and RTD is as follows, if RTE, RTD The interconnect link is interrupted, RTE accesses the 1.0.0.0/24 network segment, which WAN link is preferred?
- A. WAN link one is preferred, because the preferred-value of RTC is 100
- B. WAN link 2 is preferred, because the preferred-value of RTD is 100
- C. WAN link 2 is preferred, because the preferred-value of RTD is 300
- D. WAN link one is preferred, because the preferred-value of RTC is 200
Answer: A
NEW QUESTION 85
An MSR router has four interfaces whose IP addresses are Loopback0:1.1.1.1/32, Loopback1:2.2.2.2/32, GE0/0:172.16.1.1/30, and GE0/1:192.168.1.1/30. Running OSPF protocol and enabling OSPF on only two interfaces, the Router ID selected by this router is _______.
- A. 1.1.1.1
- B. 172.16.1.1
- C. 192.168.1.1
- D. 2.2.2.2
Answer: D
NEW QUESTION 86
Regarding the similarities and differences between IPv6 neighbor discovery link address resolution and ARP, the following statement is correct ______.
- A. ND can work independently of the link layer protocol, while ARP relies on a specific link layer protocol to work
- B. ND resolves the MAC address corresponding to the IPv6 address, while ARP resolves the MAC address corresponding to the IPv4 address
- C. ND is encapsulated in ICMPv6 packets, ARP is encapsulated in ICMPv4 packets
- D. The ND protocol sends the message in a broadcast mode when requesting the link layer address of the neighbor
Answer: A,B
NEW QUESTION 87
As shown in the figure, RTA, RTB, and RTC run the OSPF routing protocol, and the cost of each link is shown in the figure. Run OSPF protocol between RTA, RTB and RTC, and successfully establish neighbors. Run BGP between RTA and RTB and successfully establish IBGP neighbors; meanwhile, RTA, RTB and RTD establish EBGP neighbors. RTC imports the external route 172.16.1.0/24 into OSPF, the import type is tpe1, and the cost is 200. Configure OSPF routes to import BGP on RTA and RTB, and do not set any routing policy.
According to the above scenario analysis, the correct description below is ______.
- A. Two BGP routes of 172.16.1.0/24 are learned on RTD, with MED values of 210 and 220 respectively
- B. Two BGP routes of 172.16.1.0/24 are learned on RTD, and the route with the smaller router-id is preferred
- C. Two BGP routes of 172.16.1.0/24 are learned on RTD, and the route with MED of 210 is preferred
- D. Two BGP routes of 172.16.1.0/24 are learned on RTD, with MED values of 210 and 200
- E. Two BGP routes of 172.16.1.0/24 are learned on the RTD, and the MED values are both 200
- F. Two BGP routes of 172.16.1.0/24 are learned on RTD, and the route with MED of 200 is preferred
Answer: A,C
NEW QUESTION 88
In the topology shown in the figure, the following configurations are performed on RTA and RTB respectively:
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
RTA-ospf-1-area-0.0.0.1]network 192.168.4.0 0.0.0.255
RTB] acl number 2000
RTB-acl-basic-2000] rule 0 permit source 192.168.1.0 0.0.0.255
RTB-ospf-1] filter-polic2000 import
Then the possible routes in the RTC routing table are _____
- A. 192.168.4.0/24
- B. 192.168.2.0/24
- C. 192.168.0.0/24
- D. 192.168.1.0/24
Answer: D
NEW QUESTION 89
In the topology shown in the figure, RTC, RTD and RTE are configured as follows:
RTC]ospf 1 router-id 2.2.2.2
RTC-ospf-1]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
RTD]ospf 1 router-id 1.1.1.1
RTD-ospf-1]area 2
RTD-ospf-1-area-0.0.0.2]network 40.0.0.0 0.0.0.255
RTE-LoopBack0] ip address 5.5.5.5 255.255.255.255
RTE]ospf 1
RTE-ospf-1]area 2
RTE-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
RTE-ospf-1-area-0.0.0.2]network 40.0.0.0 0.0.0.255
RTE-ospf-1-area-0.0.0.2]nssa
RTE-ospf-1]import-route direct
then_________.
- A. RTD will convert Tpe7 LSA to Tpe5 LSA, RTC will not convert
- B. Both RTC and RTD will convert Tpe7 LSA to Tpe5 LSA
- C. RTC will convert Tpe7 LSA to Tpe5 LSA, RTD will not convert
- D. Tpe7 LSA will not be generated in area 2
Answer: C
NEW QUESTION 90
As shown in the figure, RAT has established IBGP peer relationship with RTB, RTC, RTD. When RTA advertises routes to these three IBGP peers, it uses a unified filter 3001, which is implemented through peer grout.
To achieve the above purpose, the administrator configures the RTA as follows:
RTA-BGP]group in as-number 100
RTA-BGP]peer in connect-interface Loopback0
RTA-BGP]peer 10.0.0.2 group in
RTA-BGP]peer 10.0.0.3 group in
RTA-BGP]peer 10.0.0.4 group in
RTA-BGP]peer in filter-polic3001 export
Then in the above configuration statement, the error is ______.
- A. RTA-BGP]group in as-number 100
- B. RTA-BGP]peer 10.0.0.2 group in RTA-BGP]peer 10.0.0.3 group in RTA-BGP]peer 10.0.0.4 group in
- C. RTA-BGP]peer in filter-polic3001 export
- D. RTA-BGP]peer in connect-interface Loopback0
Answer: A
NEW QUESTION 91
Among the following routing protocols, the one that belongs to the IGP is ______, and the one that uses the link state algorithm is ______.
- A. BGP; OSPF
- B. S-IS; IS-IS
- C. OSPF; BGP
- D. RIP; RIP
Answer: B
NEW QUESTION 92
The figure shows the sending of Hello messages between RTA, RTB, and RTC.
Based on the above information, it can be judged that between RTA and RTC is ______, and between RTC and RTB is ______.
- A. The neighboring relationship has been established, but the neighboring relationship has not been established
- B. The neighbor relationship has been established, and the neighbor relationship has been established
- C. No adjacency relationship established, no adjacency relationship established
- D. The neighbor relationship has not been established, but the neighbor relationship has been established
Answer: D
NEW QUESTION 93
Below is the output of displaripng 1 route on a router, where those routes were learned from FE80::303 ?
Route Flags: A - Aging, S - Suppressed, G - Garbage-collect
-------------------------------------------------- --------------
Peer FE80::101 on Ethernet0/0
Dest 1::/64,
via FE80::101, cost 1, tag 0, A, 0 Sec
Peer FE80::303 on Ethernet0/0
Dest 3::/64,
via FE80::303, cost 1, tag 0, A, 29 Sec
Dest 3003::/64,
via FE80::303, cost 3, tag 0, A, 29 Sec
Peer FE80::404 on Ethernet0/0
Dest 4::/64,
via FE80::404, cost 1, tag 0, A, 13 Sec
- A. 3003::/64
- B. 4::/64
- C. 3::/64
- D. 1::/64
Answer: A,C
NEW QUESTION 94
In the network shown in the figure, OSPF 100 runs on RTA, RTB and RTC, and RTA and RTB establish EBGP neighbor relationship with RTD respectively.
AS 200 advertises the route 10.10.10.0/24 to AS 100, and sets the MED value of the route advertised to RTA to 100, and the MED value of the route advertised to RTB to 200.
The main configurations of RTA and RTB are as follows:
RTA]
bgp 100
peerRTD as-number 200
peerRTB as-number 100
ospf 100
import-route bgp cost 10
RTB]
bgp 100
peerRTD as-number 200
peerRTA as-number 100
ospf 100
import-route bgp cost 20
Users expect RTC to choose RTA when accessing 10.10.10.0/24, but it turns out that RTC chooses RTB for data forwarding.
How should appeals be resolved?
- A. Set the OSPF internal routing priority to 110 on RTA and RTB, and set the OSPF external routing priority to 190
- B. This problem can be solved by configuring BGP synchronization in RTA and RTB.
- C. MED setting problem, the MED values of RTA-RTD and RTB-RTD should be exchanged.
- D. Set the BGP priority to 170 on RTA and RTB, and set the OSPF external route priority to 190
Answer: D
NEW QUESTION 95
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
RTA-ospf-1]default-route-advertise alwa
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-0.0.0.2]network 3.3.3.3 0.0.0.0
RTC-ospf-1-area-0.0.0.0]area 2
RTC-ospf-1-area-0.0.0.2]nssa no-summarRTC-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
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 cannot exist in the RTD routing table _______.
- A. 0.0.0.0/0
- B. 1.1.1.1/32
- C. 2.2.2.2/32
- D. 3.3.3.3/32
Answer: B,C,D
NEW QUESTION 96
As shown in the figure, 4 routers are connected to an Ethernet link. The router interface is a broadcast network type. Judging from the information in the figure, there are ________ IS-IS adjacencies on the Ethernet link.
- A. 0
- B. 1
- C. 2
- D. 3
Answer:
Explanation:
B
There is no picture for this question, just remember the following knowledge points
NEW QUESTION 97
B As shown in the figure, RTA, RTB, and RTC run OSPF, and the process number is 100; OSPF process 200 runs between RTA, RTB, and RTD. The cost of all interconnected links is set to 10. Set the external route priority of OSPF 100 on RTA and RTB to 190, and import an external route 172.16.1.0/24 into OSPF 100 on RTC. Both RTA and RTB are configured to import OSPF100 routes into OSPF200.
According to the above scenario analysis, the following description about RTD learning external routing 172.16.1.0/24 is correct.
- A. The route of 172.16.10.0/24 cannot be learned on RTD
- 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. There is a route to 172.16.10.0/24 on RTD, and the next hop may point to RTA or RTB
- D. There is a route to 172.16.10.0/24 on RTD, and the next hop must point to RTA
Answer: C
NEW QUESTION 98
After executing the displaospf interface command on the MSR router RTA, the router output is as follows:
From the above output, you can judge ______.
- A. RTA is elected as BDR in the network segment where the interface is located
- B. The IP address of the current interface is 192.168.1.1
- C. The OSPF network type of the current interface is Broadcast
- D. The Router ID of RTA's OSPF process 1 is 2.2.2.2
Answer: A,B,C
NEW QUESTION 99
Among the following states of the OSPF protocol, the ones that do not belong to the stable state are ________.
- A. 2-waC
- B. Loading
- C. Init
- D. Attempt
Answer: B,C,D
NEW QUESTION 100
As shown in the figure, RTB, RTC and RTA establish IBGP peers, and RTA is the reflector of RTB and RTC. Currently RTA and RTC are egress routers connecting to the Internet. In order to make RTB access the Internet through RTA or RTC, a default route is configured on RTA and RTC, and advertised using the network command.
Which of the following statements is correct is _____.
- A. RTB prefers RTA to access the Internet. Only when the export of RTA is interrupted, can RTB access the Internet via RTC
- B. RTB prefers RTA and RTC, depending on the attributes of the default routes advertised by RTA and RTC
- C. RTB prefers RTC to access the Internet. Only when the export of RTB is interrupted, can RTB access the Internet via RTA
- D. If RTB prefers RTC to access the Internet, it is necessary to establish a peer relationship between RTB and RTC and set relevant routing attributes.
Answer: A,D
NEW QUESTION 101
Among the following OSPF protocol states, ______ belong to the stable state.
- A. Down
- B. 2-wa
- C. Full
- D. Init
Answer: A,B,C
NEW QUESTION 102
There are 4 routes in the routing table 172.16.0.0/24, 172.16.1.0/24, 172.16.2.0/24, 172.16.3.0/24.
For route aggregation, the correct route after aggregation is __________.
- A. 172.16.0.0/22
- B. 172.16.0.0/24
- C. 172.16.0.0/23
- D. 172.16.0.0/25
Answer: A
NEW QUESTION 103
As shown in the figure, EBGP runs between AS100, AS200, AS300, and AS400.
When AS100 receives the BGP route sent by AS400, the path sequence recorded in its AS-Path attribute is ______
- A. (400, 300.200)
- B. (200, 300, 400)
- C. (100, 200, 300, 400)
- D. (400, 300.200, 100)
Answer: B
NEW QUESTION 104
After executing the displaospf peer command on the MSR router RTA, the router output is as follows:
From the above output, it can be judged that ________.
- A. The Router ID of OSPF process 1 of RTA is 2.2.2.2
- B. The router ID of the neighbor router in OSPF process 1 of RTA is 3.3.3.3
- C. RTA is interconnected with the peer through the GE0/0 interface, and the IP address of GE0/0 is configured as 192.168.1.2
- D. RTA is elected as DR on the interconnected network
Answer: A,B
NEW QUESTION 105
The BGP protocol is carried by _________, and its port number is _________
- A. TCP , 169
- B. UDP.179
- C. TCP , 179
- D. IP , 179
Answer: C
NEW QUESTION 106
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 are 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] 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
- C. 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
- D. RTA-Serial5/0] ospf dr-priorit100 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
Answer: C,D
NEW QUESTION 107
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 default-route-advertise
RTC-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 area 2 may not inject _____
- A. Tpe5 LSA
- B. Tpe3 LSA
- C. Tpe7 LSA
- D. Tpe4 LSA
Answer: A,D
NEW QUESTION 108
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