[2023年07月21日] 最速合格には素晴らしいGB0-381-ENU無料テストPDF本日更新です
無料でゲット!最新の2023年最新の有効な練習H3CSE-Routing & Switching GB0-381-ENU問題と解答でテストエンジン
質問 # 166
RTA and RTB run BGP routing protocol, and there is a static default route on RTA at the same time.
The correct way to import a default route from RTA into BGP is ______
- A. Configure import-route static and default-route imported under RTA's BGP attempt
- B. Configure default-route imported under RTA's BGP attempt
- C. configure import-route static under RTA's BGP attempt
- D. Configure network 0.0.0.0 0.0.0.0 under RTA's BGP attempt
正解:A、D
質問 # 167
In the IS-IS network shown in the figure, RTA, RTC, RTD, and RTE establish Level-2 adjacency with each other; RTB, RTA, and RTC establish Level-1 adjacency. After the reasons of each router are stable, RTB selects the next hop as ______ when accessing 192.168.14.1.
If RTC adds the following configuration at this time:
RTC-isis-1] import-route isis level-2 into level-1
Then RTB selects the next hop as ______ when accessing 192.168.4.1 again.
- A. RTA;RTC
- B. RTA;RTA
- C. RTC; RTC
- D. RTC;RTA
正解:C
質問 # 168
Which of the following statements is true about filter-polic filters?
- A. You can use filter-polic in OSPF to filter the OSPF routing information calculated by LSA
- B. RIP routing information received from neighbors can be filtered using filter-polic in RIP
- C. The entire IP routing table sent to neighbors can be filtered using filter-polic in RIP
- D. IS-IS routing information received from neighbors can be filtered using filter-polic in IS-IS
正解:A、B、C
質問 # 169
In the network as shown in the figure, OSPF 100 runs on RTA, RTB, and RTC, and RTA and RTB establish EBGP neighbor relationships with RTD respectively.
AS 200 advertises 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 is 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
The user wants RTC to prefer RTA when accessing 10.10.10.0/24, but it turns out that RTC chooses RTB for data forwarding.
How should the appeal issue be resolved?
- A. Configure BGP synchronization in RTA and RTB to solve this problem.
- B. On RTA and RTB, set the BGP priority to 170, and the OSPF external route priority to 190
- C. On RTA and RTB, set the OSPF internal route priority to 110, and the OSPF external route priority to 190
- D. MED setting problem, the MED value of RTA-RTD and RTB-RTD should be exchanged.
正解:B
質問 # 170
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 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 RTB, the following adjustment methods are feasible again ______.
- A. Set the Local Preference value of the route sent by RTC to RTD to 200
- B. Set the Local Preference value of the route sent by RTB to RTD to 50
- C. Set the Local Preference value of the route sent by RTC to RTD to 50
- D. Set the Local Preference value of the route sent by RTB to RTD to 200
正解:C、D
質問 # 171
In the IS-IS network as shown in the figure, the verification part of each router is configured as follows:
RTA-Serial2/0]isis authentication-mode md5 h3c
RTB-isis-1]area-authentication-mode md5 h3c
RTC-isis-1]domain-authentication-mode md5 h3c
Then on RTB, the status of the RTA neighbor relationship is ______; and RTC______RTB Level-1 LSP packets
- A. down; refuse
- B. up; accept
- C. down; accept
- D. up; refuse
正解:B
質問 # 172
In the OSPF protocol, the correct statement about ABR aggregation is ______
- A. When the ABR colleague is also the conversion router in the NSSA area, the Tpe5 LSA converted by the Tpe7 LSA can be aggregated
- B. ABR can aggregate Tpe3 LSA
- C. ABR can aggregate all Tpe5 LSAs
- D. ABR can aggregate Tpe4 LSAs not generated by itself
正解:A、B
質問 # 173
The routing table on an H3C router is displayed as follows:
H3C]disp ip rout
Routing Table: public net
Destination/Mask Protocol Pre Cost Nexthop Interface
10.0.0.0/8 OSPF 10 2 20.1.1.2 Ethernet0/0
20.1.1.0/30 DIRECT 0 0 20.1.1.1 Ethernet0/0
20.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0
127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0
127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0
172.16.1.0/24 DIRECT 0 0 172.16.1.1 LoopBack1
172.16.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0
192.168.1.0/24 DIRECT 0 0 192.168.1. LoopBack2
192.168.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0
At the same time, configure the following commands on the router:
bgp 65400
network 172.16.0.0
network 192.168.1.0
network 10.0.0.0
Based on the above information, which of the following BGP routes should exist in the router's BGP routing table:
- A. 172.16.1.0
- B. 20.1.1.0
- C. 10.0.0.0
- D. 192.168.1.0
- E. No BGP routes
正解:C、D
質問 # 174
In the IS-IS network as shown in the figure, the RTA, RTB, and RTC configurations are as follows:
RTA]isis
RTA-isis-1]is-level level-1
RTA-isis-1]network-entit01.1111.1111.1111.00
RTA-isis-1]interface serial 2/0
RTA-Serial2/0]isis enable 1
RTB]isis
RTB-isis-1]is-level level-1
RTB-isis-1]network-entit01.2222.2222.2222.00
RTB-isis-1]interface serial 1/0
RTB-Serial1/0]isis enable 1
RTB-Serial1/0]interface Ethernet 0/0
RTB-Ethernet0/0]isis enable 1
RTC]isis
RTC-isis-1]is-level level-1
RTC-isis-1]network-entit01.3333.3333.3333.00
RTC-isis-1]interface Ethernet 0/0
RTC-Ethernet0/0]isis enable 1
RTC-Ethernet0/0]interface Ethernet 0/1
RTC-Ethernet0/1]isis enable 1
After the routes of each router are stable, the cost of IS-IS route 192.168.3.0/24 on RTA is ______.
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
正解:D
質問 # 175
A router has an interface that uses frame relay to connect to multiple routers, and now IS-IS needs to be run between these routers, what needs to be done on this interface?
- A. Sub-interfaces need to be divided under the interface, each sub-interface corresponds to a neighbor, and IS-IS is enabled on the sub-interface
- B. The IS-IS network type needs to be configured as Broadcast under the interface
- C. The IS-IS network type needs to be configured as P2P under the interface
- D. Enable IS-IS under the interface
正解:A
質問 # 176
The command to cancel the automatic route aggregation of the RIP protocol on the MSR router is ___________.
- A. [Router-rip-1] undo auto-summary
- B. [Router-Serial1/0] undo summary
- C. [Router-Serial1/0] undo auto- summary
- D. [Router-rip-1]undo summary
正解:D
質問 # 177
The PBR configuration of a router is known as follows:
polic-based-route pbr_a permit node 10
if-match acl 3000
if-match packet-length 101 1000
apploutput-interface serial 2/0
Assuming that the strategy has been successfully applied, how will the relevant data flow on the router be forwarded?
- A. Data flow matching Alc3000 and messages with a message length of 101~1000 bytes will be forwarded according to policy routing
- B. Messages with a message length of 101~1000 bytes will be forwarded according to policy routing
- C. Data streams matching Alc3000 will be forwarded according to policy routing
- D. In the data stream matching Alc3000, the message with the message length of 101~1000 bytes will be forwarded according to the policy routing
正解:D
質問 # 178
Which of the following statements about PBR is correct is _________
- A. PBR can route based on the length of arriving packets
- B. Through PBR, you can set the attributes of routes imported by routing protocols
- C. PBR can perform routing based on the source address of arriving packets
- D. PBR is a mechanism for routing based on user-defined policies
正解:A、C、D
質問 # 179
P router RTA runs both OSPF and BGP routing protocols. If an OSPF route is imported in BGP using network mode, the ORIGIN attribute value of this route in the BGP routing table is ___.
- A. Incomplete
- B. EGP
- C. IGP
- D. OSPF
正解:C
質問 # 180
The following OSPF protocol packets are _______.
- A. Keepalive message
- B. LSP message
- C. LSAck message
- D. LSU message
正解:C、D
質問 # 181
As shown in the figure is an OSI routing network, the route between RTB and RTE in the figure should be _______ route.
- A. Level-3
- B. Level-0
- C. Level-1
- D. Level-2
正解:D
質問 # 182
IS-IS belongs to the ________ routing protocol and adopts the ________ algorithm.
- A. EGP , distance vector (DV)
- B. IGP, Shortest Path First (SPF)
- C. EGP, Shortest Path First (SPF)
- D. IGP , distance vector (DV)
正解:B
質問 # 183
In the network shown in the figure, RTA, RTB, RTC, RTD are in the same AS, and the IBGP connection as shown in the figure is established.
Which of the following statements about BGP reflector settings is true?
- A. If RTC and RTD also establish IBGP peers, undo reflect between-clients should be set on the reflector.
- B. To enhance routing reliability, in AS100, RTA and RTC are set as radiators of RTB and RTD.
- C. To enhance routing reliability, it is better to set up two clusters in AS100, RTA is the radiator of RTC, and RTB is the reflector of RTD.
- D. RTA and RTB must be set up as reflectors and clients for each other.
正解:A、B
質問 # 184
In the IS-IS network shown in the figure, the adjacency relationship between routers is established normally, and routes can be learned from each other.
Which routers in the figure must be Level-1-2 routers?
- A. RTB
- B. RTD
- C. RTA
- D. RTC
- E. RTE
正解:A、C
質問 # 185
The illustration is a BGP multi-exit enterprise network. Which of the following statements is true about BGP deployments in multi-egress enterprise networks:
- A. In mode (1), RTC can choose one of the default routes through IGP to reach the Internet according to its own strategy.
- B. In a BGP multi-exit enterprise network, there can be (1) ISP only advertises default routes, (2) ISP advertises part of default routes and Internet specific routes, (3) ISP advertises all Internet routes.
- C. Usually, in mode (3) RTC can choose the optimal path to access Interner through IGP according to its own strategy.
- D. In mode (2), RTC can reach the Internet through part of the Internet specific routes and through the IGP protocol according to its own strategy.
正解:A、B、D
質問 # 186
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