New GB0-381-ENU Test Dumps: The Best Materials for H3CSE Routing & Switching Exam Access Success

1. L is a network design engineer. In a certain network project, in order to reduce the complexity, L designed the network to adopt a two-layer architecture, and the functions of the access layer were incorporated into the aggregation layer. When designing, L considered that the core layer needs to have a fast convergence function, and the aggregation layer performs route aggregation to reduce the number of routes. Among the following routing protocols, which one should L use as the routing protocol at the aggregation layer? (Multiple choice)

2. Among the following routing protocols, the one that belongs to EGP is ______, and the one that uses link state algorithm is ______.

3. There are 4 routes 10.0.0.0/24, 10.0.1.0/24, 10.0.2.0/24, 10.0.3.0/24 in the routing table.

If route aggregation is to be performed, the correct route after aggregation is _________.

4. Among the states of the following OSPF protocol, the stable state is ______. (Multiple choice)

5. Run the following command on the MSR router RTA:

RTA-GigabitEthernet0/0]ip address 192.168.1.1 24

RTA-GigabitEthernet0/0]uit

RTA]router id 2.2.2.2

RTA]ospf 1 router-id 1.1.1.1

RTA-ospf-1]uit

RTA]interface LoopBack 0

RTA-LoopBack0]ip address 3.3.3.3 32

From the above configuration, it can be judged that the Router ID of OSPF process 1 of RTA is______

6. In the topology shown in the figure, perform the following configurations on RTA, RTB, RTC, and RTD respectively:

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

RTA-ospf-1-area-0.0.0.0] network 1.1.1.1 0.0.0.0

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

RTB-ospf-1-area-0.0.0.0] network 2.2.2.2 0.0.0.0

RTB-ospf-1] area 1

RTB-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255

RTC] ospf 1 router-id 3.3.3.3

RTC-ospf-1] area 1

RTC-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255

RTC-ospf-1-area-0.0.0.1] network 3.3.3.3 0.0.0.0

RTC-ospf-1] area 2

RTC-ospf-1-area-0.0.0.2] network 192.168.3.0 0.0.0.255

RTD] ospf 1 router-id 4.4.4.4

RTD-ospf-1] area 2

RTD-ospf-1-area-0.0.0.2] network 192.168.3.0 0.0.0.255

RTD-ospf-1-area-0.0.0.2] network 4.4.4.4 0.0.0.0

Then the routes that can be learned on RTA are _____(Multiple choice)

7. The following OSPF special areas are ______(Multiple choice)

8. In the topology shown in the figure, perform the following configurations 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? (Multiple choice)

9. In the topology shown in the figure, perform the following configurations 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

Now it is required that the RTC must not learn the routes configured in the above RTA, what configurations can be performed on the router? (Multiple choice)

10. In the topology shown in the figure, perform the following configurations on 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

Now it is required that the RTC must not learn the routes configured in the above RTA, what configurations can be performed on the router?

11. Each OSI network device is networked as shown in the figure, and there are ______ ES in the OSI network.

12. The disadvantages of Z router using Ethernet MAC address to generate IS-IS process NET address are ________.(Multiple choice)

13. The messages periodically sent by IS-IS on P2P type links are ______.

14. In the IS-IS network shown in the figure, each router is configured as follows.

RTA-isis-1] cost-ste compatible

RTB-isis-1] cost-ste wide-compatible

RTC-isis-1] cost-ste narrow-compatible

Then it is _______ that can correctly calculate the link cost between each other. (Multiple choice)

15. In the IS-IS network shown in the figure, RTA, RTC, RTD, and RTE establish Level-2 adjacency relationships with each other. RTB establishes Level-1 adjacency relationships with RTA and RTC. After the routing of each router is stable, when RTB accesses 192.168.14.1, the next hop is selected as _________.

If RTA and RTC add the following configurations respectively at this time:

RTA-isis-1] import-route isis level-2 into level-1

RTC-isis-1] import-route isis level-2 into level-1

Then when RTB accesses 192.168.14.1, the next hop is ________.

16. Which of the following address prefix lists matches the default route?

17. As shown in the figure, RTA is the border router of OSPF routing domain and BGP routing domain. If a BGP route with MED value of 200 is imported into OSPF on RTA, by default, RTB learns the cost value of this route______.

18. In the network shown in the figure, the default next hop of RTA is RTC, and the PBR configuration is as follows:

policy-based-route pbr_a permit node 10

if-match acl 3000

appl default output-interface serial 2/0

policy-based-route pbr_a dennode 20

According to the above configuration, how will the data flow matching Acl 3000 on the RTA be forwarded? (Multiple choice)

19. As shown in the figure, run EBGP among AS100, AS200, AS300, and AS400.

When AS400 receives the BGP route sent by AS100, the path sequence recorded in its AS-Path attribute is ______.

20. Among the following statements about BGP load sharing, the correct one is ______.

21. In the network shown in the figure, the BGP route learning between routers is normal, and the BGP route attributes all take default values. After importing route 8.0.0.0 into BGP on RTA, if the next hop of route 8.0.0.0 on RTD is to point to RTC, the following adjustment methods are feasible: ______.(Multiple choice)

22. Which of the following descriptions about Route-polic is correct? (Multiple choice)

23. Regarding the BGP aggregation function, which of the following statements are correct? (Multiple choice)

24. The router RTA and RTB are eBGP neighbors. RTA advertises the route 10.10.10.0/24 and sets the community attribute, but checks the routing table of RTB and finds that the route 10.10.10.0/24 learned from RTA does not carry the community attribute. May I ask what may be the reason for the loss of group attributes?

25. As shown in the network diagram, RTA and RTB are located in AS 1001, RTC, RTD, and RTE are located in AS 1002, and AS 1001 advertises the BGP route 11.11.11.0/24 to AS 1002. The main BGP configurations of RTC and RTD are as follows, if RTE 1. The RTC interconnection link is interrupted, and RTE accesses the 11.11.11.0/24 network segment, which WAN link should be preferred?

RTC]

bgp 1002

preference 20 170 200

peerRTA as-number 1001

peerRTD as-number 1002

peerRTA route-policsetmed import

route-policsetmed permit node 10

applcost 100

RTD]

bgp 1002

preference 20 170 200

peerRTB as-number 1001

peerRTC as-number 1002

peerRTA route-policsetmed import

route-policsetmed permit node 10

applcost 200

26. The following is the output of the displaipv6 routing-table command on a router:

Which of the following statements is correct? (Multiple choice)

27. In the network shown in the figure, the relevant 6to4 tunnel configurations are correct. When RTA receives the IPv6 data packet sent by PC1 to the destination address 2002:303:314:202:206:101:118:1, the data packet _______.

28. In the process of generating the fast forwarding table, the five-tuple refers to ________.

29. Which of the following levels does the SOA-based network architecture divide enterprise IT systems into? (Multiple choice)

30. Which of the following levels does the SOA-based network architecture divide enterprise IT systems into? (Multiple choice)

31. Which of the following levels does the SOA-based network architecture divide enterprise IT systems into?

32. Which of the following statements about SOA and IToIP is correct? (Multiple choice)

33. Which of the following statements about IToIP is wrong?

34. XZ company requires to build its network according to the modular enterprise network architecture. XZ company has 1 research and development base in Shenzhen and Xi'an; one office building in Beijing and Shanghai; offices with more than 50 people in 23 provincial capital cities; small offices with no more than 8 people in 200 small and medium cities; At any one time there are usually more than 200 marketing and technical personnel on business trips. XZ Company strictly prohibits employees from using the company network to visit websites not related to work. According to these circumstances, the network module that XZ company should have ________.(Multiple choice)

35. XZ company requires to build its network according to the modular enterprise network architecture. XZ company has 1 research and development base in Shenzhen and Xi'an; one office building in Beijing and Shanghai; offices with more than 50 people in 23 provincial capital cities; small offices with no more than 8 people in 200 small and medium cities; At any one time there are usually more than 200 marketing and technical personnel on business trips. Due to environmental and cost issues, some offices do not have access to headquarters via leased lines or PSWAN connections. According to these circumstances, the network module that XZ company should have ________.(Multiple choice)

36. XZ company requires to build its network according to the modular enterprise network architecture. XZ company has 1 research and development base in Shenzhen and Xi'an; one office building in Beijing and Shanghai; offices with more than 50 people in 23 provincial capital cities; small offices with no more than 8 people in 200 small and medium cities; There are usually more than 200 marketing and technical personnel on business trips at any time, and some of them are often located in areas lacking Internet access and can only dial-up to the headquarters through the telephone network. Due to environmental and cost issues, some offices do not have access to headquarters via leased lines or PSWAN connections. According to these circumstances, the network module that XZ company should have ________.(Multiple choice)

37. The advantages of modular network architecture include ______.

38. The following functions of the aggregation layer are ______.

39. The following functions of the core layer are _______. (Multiple choice)

40. The following functions of the access layer are ________. (Multiple choice)

41. The advantages of a hierarchical network model include _______. (Multiple choice)

42. L is a network design engineer. In a certain network project, in order to reduce the complexity, L designed the network to adopt a two-layer architecture, and the functions of the access layer were incorporated into the aggregation layer. When designing, L considered that the core layer needs to have a fast convergence function, and the aggregation layer performs route aggregation to reduce the number of routes. Among the following routing protocols, which one should L use as the core layer routing protocol? (Multiple choice)

43. L is a network design engineer. In a certain network project, in order to reduce the complexity, L designed the network to adopt a two-layer architecture, and the functions of the access layer were incorporated into the aggregation layer. When designing, L considered that the core layer needs to have a fast convergence function, and the aggregation layer performs route aggregation to reduce the number of routes. Among the following routing protocols, which one should L use as the core layer routing protocol?

44. L is a network design engineer. In a certain network project, in order to reduce the complexity, L designed the network to adopt a two-layer architecture, and the functions of the access layer were incorporated into the aggregation layer. When designing, L considered that the core layer needs to have a fast convergence function, and the aggregation layer performs route aggregation to reduce the number of routes. Among the following routing protocols, which one should L use as the routing protocol at the aggregation layer? (Multiple choice)

45. A certain local area network has been running for 2 years (17,520 hours), but it was stopped for 6 hours due to equipment failure. Later, after the network was expanded and new equipment was added, it ran for another year (8,760 hours), and was stopped for another 4 hours due to software failure. Which of the following statements are correct about the availability of this network? (Multiple choice)

46. A certain local area network has been running for 2 years (17,520 hours), but it was stopped for 8 hours due to equipment failure. Later, after the network was expanded and new equipment was added, it ran for another year (8,760 hours), and was stopped for another 3 hours due to software failure.

Which of the following statements are correct about the availability of this network? (Multiple choice)

47. A certain local area network has been in operation for 1 year (8,760 hours), but it was stopped for 8 hours due to equipment failure. Later, after the network was expanded and new equipment was added, it ran for another year and stopped for another 3 hours due to a software failure.

Which of the following statements are correct about the availability of this network? (Multiple choice)

48. In a certain network project, the client requires the network to have good scalability considering that the network users may increase significantly in the future.

Which of the following measures can improve the scalability of the network?

49. In a certain network project, the client requires the network to have good scalability considering that the network users may increase significantly in the future.

Which of the following measures can improve the scalability of the network?

50. The topology of a certain network is complex, and there are multiple paths between the core and branches. In order to control the routing between the core and branches, effectively utilize bandwidth resources, and reduce maintenance costs, which of the following measures is optimal?

51. The topology of a certain network is complex, and there are multiple paths between the core and branches. In order to control the routing between the core and branches, effectively utilize bandwidth resources, and reduce maintenance costs, which of the following measures is optimal?

52. A network is connected to the Internet through a 64kbps wide area link. The customer requires that the bandwidth of this link be utilized as efficiently as possible.

You should use _______ to connect to the Internet.

53. Among the following routing protocols, the one that belongs to IGP is ______, and the one that uses link state algorithm is ______.

54. The characteristics of distance vector routing protocols include ________. (Multiple choice)

55. Which of the following are characteristics of link-state routing protocols?

56. The RIP protocol is enabled on a router, the process number is 1, and the priority is 100; at the same time, the OSPF protocol is enabled, the process number is 100, and the priority is 10.

If these two processes learn the route of the 10.0.0.0/8 network segment at the same time, and the metric values are 1 (hop count) and 100 (cost value), which process will learn the route 10.0.0.0/8 into the IP route table?

57. The default priority value of OSPF external routes is ________.

58. Regarding the comparison between the OSPF protocol and the RIP protocol, which of the following statements are correct? (Multiple choice)

59. Among the following routing protocols, ________ supports VLSM, but does not support automatic route aggregation.

60. The routers RTA and RTB have established a BGP connection and learned routes from each other. Both RTA and RTB use default timers.

If the link between routers is congested, so that RTA cannot receive the Keepalive message sent by RTB, which of the following consequences will occur?

61. Among the following routing protocols, the one that belongs to IGP is ______, and the one that uses path vector algorithm is ______.

62. The RIP protocol is enabled on a certain 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 hops are 1.0.0.1 and 1.0.0.2 respectively.

What should the router do after receiving the packet with the destination address 10.0.0.1?

63. The RIP protocol is enabled on a router with a priority of 10; at the same time, the OSPF protocol is enabled with a priority of 100. If the two protocols learn the route 10.0.0.0/8 at the same time, the metric values are 1 (hop count) and 100 (cost value), and the next hops are 1.0.0.1 and 1.0.0.2 respectively.

What should the router do after receiving the packet with the destination address 10.0.0.1?

64. In H3C equipment, the default priority value of OSPF internal routing is ________.

65. In H3C equipment, the default priority value of RIP protocol routing is ________.

66. Among the following routing protocols, _______ supports manual route aggregation. (Multiple choice)

67. As shown in the figure, a LAN uses an MSR router to connect to an ISP.

To implement packet-based load balancing on the outbound interface of an MSR router, which of the following configurations are required?

68. As shown in the figure, the actual bandwidth of the Ethernet interface E1/0 of the MSR router is 10Mbps, and the actual link bandwidth of the serial port S2/0 is 64Kbps.

In order to give priority to the use of high-bandwidth links and achieve the purpose of route backup, which of the following solutions is the most reasonable?

69. As shown in the figure, the MSR router in 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 are possible at this time? (Multiple choice)

70. As shown in the figure, the MSR router in 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 most feasible at this time?

71. As shown in the figure, the MSR router in 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 most feasible at this time?

72. As shown in the figure, the MSR router in 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?

73. As shown in the figure, the MSR router in 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?

74. The administrator wants to configure the OSPF route priority value to be 60 on the MSR router. Which of the following commands is correct?

75. The administrator wants to configure the OSPF route priority value to be 100 on the MSR router. Which of the following commands is correct?

76. The administrator wants to configure the RIP routing priority value to be 60 on the MSR router. Which of the following commands is correct?

77. There are 4 routes 172.16.0.0/24, 172.16.1.0/24, 172.16.2.0/24, 172.16.3.0/24 in the routing table.

If route aggregation is to be performed, the correct route after aggregation is __________.

78. There are 4 routes 192.168.0.0/24, 192.168.1.0/24, 192.168.2.0/24, 192.168.3.0/24 in the routing table.

If route aggregation is to be performed, the correct route after aggregation is __________.

79. In the network shown in the figure, dynamic routing protocols are not enabled between all routers, and only static routing can be configured.

Then the correct configuration on the RTE should be _________.

80. In the network shown in the figure, dynamic routing protocols are not enabled between all routers, and only static routing can be configured.

Then the correct configuration on the RTE should be _________.

81. In the network shown in the figure, dynamic routing protocols are not enabled between all routers, and only static routing can be configured. Then the correct configuration on the RTE should be _________.

82. The command to cancel the automatic route summarization of RIP protocol on the MSR router is ___________.

83. The command to configure RIP protocol manual route aggregation on the MSR router is ___________.

84. The command to configure RIP protocol manual route aggregation on the MSR router is ___________.

85. The advantages of route aggregation include _________.(Multiple choice)

86. In the network shown in the figure, the static route ip route-static 0.0.0.0 0.0.0.0 s1/0 is configured on RTA, and the static route ip route-static 10.0.0.0 23 s1/0 is configured on RTB.

Under what circumstances will a routing loop occur between RTA and RTB? (Multiple choice)

87. The advantages of DR/BDR election in the OSPF protocol include______.(Multiple choice)

88. Regarding the DR/BDR election principle in the OSPF protocol, which of the following statement is wrong? (Multiple choice)

89. In the OSPF broadcast network, there are 4 routers RTA, RTB, RTC and RTD in the same network segment, their priorities are 2, 1, 1 and 0 respectively, and the Router IDs are 192.168. 192.168.3.1 and 192.168.4.1. If the OSPF protocol is enabled on the four routers at the same time, the BDR selected by OSPF is _____.

90. In the OSPF broadcast network, there are 4 routers RTA, RTB, RTC and RTD in the same network segment, their priorities are 2, 0, 1 and 1 respectively, and the Router IDs are 192.168. 192.168.3.1 and 192.168.4.1.

If the OSPF protocol is started on these 4 routers at the same time, the BDR selected by OSPF is_____.

91. In the OSPF broadcast network, there are 4 routers RTA, RTB, RTC and RTD in the same network segment, their priorities are 2, 2, 1 and 2 respectively, and the Router IDs are 172.16. 172.16.3.1 and 172.16.4.1.

If the OSPF protocol is started on the four routers at the same time, the DR selected by OSPF is _____.

92. The DD (Database Description) message in the OSPF protocol has ______.(Multiple choice)

93. Among the following states of the OSPF protocol, those that are not stable are ________.(Multiple choice)

94. The two routers cannot establish an OSPF neighbor relationship. Which are the possible reasons? (Multiple choice)

95. Two MSR routers MSR-1 and MSR-2 are interconnected through the 192.168.1.0/24 network segment.

Now it is necessary to configure the OSPF protocol on the router MSR-1 to establish an adjacency relationship with MSR-2. Which of the following configurations is feasible? (Multiple choice)

96. Two MSR routers MSR-1 and MSR-2 are interconnected through the 172.16.16.0/20 network segment. Now it is necessary to configure the OSPF protocol on the router MSR-1 to establish an adjacency relationship with MSR-2. Which of the following configurations is not feasible?

97. In the OSPF protocol, the destination address used by the DR router to send update packets to all non-DR routers is _____.

98. In the OSPF protocol, the destination address used by routers to send update packets to DR routers is _____.

99. In the OSPF protocol, when the interface network type is P2P (point-to-point), the default Hello time interval and neighbor failure time are ______ respectively.

100. H In the OSPF protocol, when the interface network type is NBMA (non-broadcast multi-access), its default Hello time interval and neighbor failure time are ______ respectively.