GB0-381-ENU Practice Test Questions Answers Updated 364 Questions
GB0-381-ENU dumps & H3CSE-Routing & Switching Sure Practice with 364 Questions
NEW QUESTION 117
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 For these five routes, RTB is now required to not learn the above routes. What configuration can be performed on RTA?
- A. RTA-ospf-1-area-0.0.0.1]asbr-summar192.168.0.0 255.255.240.0 not-advertise
- B. RTA-ospf-1]asbr-summar192.168.0.0 255.255.224.0 not-advertise
- C. RTA-ospf-1-area-0.0.0.1]asbr-summar192.168.0.0 255.255.248.0 not-advertise
- D. RTA-ospf-1]asbr-summar192.168.0.0 255.255.0.0 not-advertise
Answer: B,D
NEW QUESTION 118
In the OSPF broadcast network, there are 4 routers RTA, RTB, RTC, and RTD in the same network segment. The priorities are 2, 2, 1, and 2, and the router IDs are 172.16.1.1, 172.16.2.1, 172.16.3.1 and 172.16.4.1.
If the OSPF protocol is activated on these 4 routers at the same time, the DR selected by OSPF is _____.
- A. RTC
- B. RTD
- C. RTA
- D. RTB
Answer: B
NEW QUESTION 119
IS-IS protocol messages are divided into IIH, CSNP, PSNP and LSP. These four message classifications are identified by ______.
- A. IS-IS general header
- B. IS-IS dedicated header
- C. Link layer header
- D. CLV
Answer: B
NEW QUESTION 120
The benefits of using Router-ID to generate the NET address of the IS-IS process are ______.
- A. Router-ID and Stem-ID in NET are bound by default for easy maintenance
- B. Using the unique Router-ID of the entire network can ensure the uniqueness of the IS-IS process NET of the entire network router
- C. In case of equipment replacement, both Router-ID and Stem-ID can be flexibly modified
- D. NET is generated by Router-ID, easy to remember
Answer: B,C,D
NEW QUESTION 121
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. 0.0.0.0/0
- B. 3.3.3.3/32
- C. 1.1.1.1/32
- D. 2.2.2.2/32
Answer: B,D
NEW QUESTION 122
The RIP protocol is enabled on a router, the process number is 1, and the priority is 10; at the same time, the OSPF protocol is enabled, the process number is 100, and the priority is 100. If two processes learn the route of the 10.0.0.0/8 network segment at the same time, the metric values are 1 (hop count) and 100 (cost value), and the next hop is 1.0.0.1 and 1.0.0.2 respectively.
After the router receives a packet with a destination address of 10.0.0.1, how to deal with it?
- A. Forward to 1.0.0.1
- B. Forward to 1.0.0.2
- C. Unable to judge
- D. Forward to 1.0.0.1 and 1.0.0.2 at the same time
Answer: A
NEW QUESTION 123
In the network shown in the figure, the adjacency relationship between the routers is established normally, and there is no configured route leakage. Then RTA will forward the IP packet whose destination is 16.224.3.20 to ________.
- A. RTD
- B. RTC
- C. RTE
- D. RTB
Answer: C
NEW QUESTION 124
In a certain network project, the client considers that network users may increase substantially in the future, so the network is required to have better scalability.
Which of the following measures can improve the scalability of the network?
- A. Use OSPF protocol and plan network layered architecture
- B. Use RIP-1 for routing configuration
- C. Use static routing for routing configuration
- D. Deploy data encryption between the core and remote branches
Answer: A
NEW QUESTION 125
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. No adjacency relationship established, no adjacency relationship established
- B. The neighbor relationship has been established, and the neighbor relationship has been established
- C. Adjacent relationship has been established, but no adjacent relationship has been established
- D. The neighbor relationship has not been established, but the neighbor relationship has been established
Answer: C
NEW QUESTION 126
The IS-IS process of a router has been configured with NET as 01.abcd.0001.0002.0003.00. Which of the following NET addresses can still be configured?
- A. fedc.0001.0002.0003.00
- B. 01.abcd.0001.0003.0002.00
- C. 02.fedc.0010.0020.0030.00
- D. 01.0001.0002.0003.00
Answer: A,D
NEW QUESTION 127
The advantages of modular network architecture include ______. (Choose one or more)
- A. It is allowed to dynamically call IT resources through an open interface to achieve a standard, compatible, safe, intelligent and manageable IT application environment.
- B. Each module can be planned and deployed separately, and network functions can be added or removed by adding or deleting modules, which is conducive to building a complex network.
- C. It replaces the traditional hierarchical network model, which facilitates network planning and deployment.
- D. Allow different application functions or application systems to share data, resources and capabilities, and participate in business processes.
Answer: B
NEW QUESTION 128
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] 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-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
Answer: C,D
NEW QUESTION 129
There are 4 routes in the routing table 192.168.0.0/24, 192.168.1.0/24, 192.168.2.0/24, 192.168.3.0/24.
For route aggregation, the correct route after aggregation is __________.
- A. 192.168.0.0/24
- B. 192.168.0.0/23
- C. 192.168.0.0/22
- D. 192.168.0.0/25
Answer: C
NEW QUESTION 130
Regarding filter-polic filtering OSPF routes, which of the following statements are correct?
- A. OSPF routes can be filtered by configuring ACL
- B. It is not possible to filter OSPF routes through the IP address prefix list
- C. It is not possible to filter routing information through interfaces
- D. OSPF routing information can be filtered by the next hop based on the routing information to be added to the routing table
Answer: A,C,D
NEW QUESTION 131
Configure the silent interface on the router so that the router does not send OSPF protocol messages. The command is _______.
- A. RTA-ospf]silent-interface serial2/0
- B. RTA-Serial2/0]silent-interface
- C. RTA-ospf-1]silent-interface serial2/0
- D. RTA-ospf-1-area-0.0.0.1]silent-interface serial2/0
Answer: C
NEW QUESTION 132
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 It is now required that the RTC must not learn the routes configured in the above RTA. What configurations can be performed on the router?
- A. RTC-ospf-1-area-0.0.0.1]abr-summar192.168.0.0 255.255.224.0 not-advertise
- B. RTB-ospf-1-area-0.0.0.1]abr-summar192.168.0.0 255.255.248.0 not-advertise
- C. RTB-ospf-1-area-0.0.0.0]abr-summar192.168.0.0 255.255.0.0 not-advertise
- D. RTB-ospf-1-area-0.0.0.1]abr-summar192.168.0.0 255.255.252.0 not-advertise
Answer: B
NEW QUESTION 133
The networking is shown in the figure:
The main configuration of the router is as follows:
RouterA]
bgp 100
router-id 1.1.1.1
peer 1.1.1.2 as-number 300
network 4.4.4.4 24
network 5.5.5.5 24
network 6.6.6.6 24
RouterB]
bgp 200
router-id 2.2.2.2
peer 1.1.2.2 as-number 300
network 7.7.7.7 24
network 8.8.8.8 24
network 9.9.9.9 24
RouterC]
bgp 300
router-id 3.3.3.3
peer 1.1.1.1 as-number 100
peer 1.1.2.1 as-number 200
peer 1.1.3.2 as-number 400
RouterD]
bgp 400
router-id 4.4.4.4
peer 1.1.3.1 as-number 300
peer 1.1.3.1 route-policrt1 import
ip as-path 1 permit _200_
route-policrt1 dennode 1
if-match as-path 1
route-policrt1 permit node 2
Assuming that the IP addresses of the interfaces on the four routers have been correctly configured, if there is no problem with the link, check the BGP routing table of Router D to see which of the following BGP routes:
- A. 5.5.5.0/24
- B. 4.4.4.0/24
- C. 8.8.8.0/24
- D. 9.9.9.0/24
- E. 6.6.6.0/24
- F. 7.7.7.0/24
Answer: A,B,E
NEW QUESTION 134
The description of NET in IS-IS is wrong.
- A. Each router can have up to 3 NETs, and these three NETs can be arbitrary
- B. NET is a special type of NSAP address
- C. In the IP network, the NSEL value in the NET address is all 0
- D. The full name of NET is Network EntitTitle, which is similar to the Router ID in OSPF and BGP
Answer: A
NEW QUESTION 135
In the network shown in the figure, the BGP routing learning between the routers is normal, and the BGP routing attributes all take default values.
After the route 8.0.0.0 is imported into BGP on RTA, if the next hop of route 8.0.0.0 on RTD is to point to RTB, the following adjustment methods are feasible again.
- A. Set the Local Preference value of the route sent by RTB to RTD to 50
- B. Set the Local Preference value of the route sent by RTC to RTD to 200
- C. Set the Local Preference value of the route sent by RTB to RTD to 200
- D. Set the Local Preference value of the route sent by RTC to RTD to 50
Answer: C,D
NEW QUESTION 136
As shown in the figure: RTA and RTB are IBGP neighbors, and RTB and RTC are EBGP neighbors.
If the community attribute is used on the router RTA so that the route 10.10.10.0/24 on RTA can only be advertised to RTB, but cannot be forwarded to RTC through RTB, then what community attribute value should be set for 10.10.10.0/24 on RTA ?
- A. no-export
- B. no-export-subconfed
- C. no-advertise-subconfed
- D. no-advertise
Answer: A,B,D
NEW QUESTION 137
Among the following types of LSAs, the ones allowed in the backbone area are _________
- A. Tpe1 LSA
- B. Tpe3 LSA
- C. Tpe2 LSA
- D. Tpe4 LSA
Answer: A,B,C,D
NEW QUESTION 138
Run the command on the router and its display information as follows:
<RTA>displaisis peer
Peer information for ISIS(1)
----------------------------
Stem Id: 2222.2222.2222
Interface: Eth0/0 Circuit Id:
State: Up HoldTime: 27s Tpe: L1 PRI: 16
Stem Id: 3333.3333.3333
Interface: Tun3 Circuit Id:
State: Up HoldTime: 25s Tpe: L2 PRI: -
From the above information, you can know RTA______.
- A. The ports connected to the two neighbors are not of LAN type
- B. Is a Level-2 router
- C. The type of port connected to the neighbor whose Stem-ID is 2222.2222.2222 is LAN
- D. It is a Level-1-2 router
Answer: C,D
NEW QUESTION 139
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