[2023年05月30日]PassTest GB0-381-ENU問題集でH3CSE-Routing & Switching合格確定させる練習問題集
H3C GB0-381-ENU実際にある問題とブレーン問題集
H3C GB0-381-ENU 資格認定は、ネットワーク業界で高く評価され、世界的に認められています。認定されたプロフェッショナルが大規模な企業ネットワークを設計・管理するために必要なスキルと知識を持っていることを示しています。雇用主は、H3C GB0-381-ENU 認定を持つ候補者を好みます。これにより、複雑なネットワークインフラストラクチャを扱い、最適なネットワークパフォーマンスを提供する能力が保証されます。
H3C GB0-381-ENU試験は、IT専門家のスキルと知識を基盤として構築された包括的な試験です。この試験に合格するためには、広範な準備と勉強が必要です。候補者は、大規模なルーティングネットワーク技術の実践的な経験が必要です。彼らは大規模なルーティングネットワーク技術の概念と原則を深く理解している必要があります。
質問 # 291
Run the command and display information on the router as follows:
<RTA>displaisis brief
ISIS(1) Protocol Brief Information:
network-entit:
01.1111.1111.1111.00
is-level: level-1-2
cost-ste: narrow
preference: 15
Lsp-length receive: 1497
Lsp-length originate: level-1 1476
level-2 1476
maximum imported routes number: 10000
Timers:
lsp-max-age: 1200
lsp-refresh: 900
Interval between SPFs: 10
From the above information, you can know RTA______.
- A. It is a Level-1 router
- B. Its Stem-ID is 1111.1111.1111
- C. Its Stem-ID is 1111.1111.1111.00
- D. Is a Level-1-2 router
正解:B、D
質問 # 292
In the topology shown in the figure, execute the following command on the RTA router:
RTA-ospf-1] default-route-advertise alwa
RTA] ip route-static 0.0.0.0 0.0.0.0 192.168.0.2
The default route cannot be observed in the routing table of the RTC router, the possible reason is ______
- A. Area1 is configured as an NSSA area
- B. RTA's default route does not enter the OSPF area through the import command
- C. RTA's default route next hop address 192.168.0.2 is unreachable
- D. A routing policy is configured on RTB to filter the default route
正解:A
質問 # 293
E As shown in the figure, RTB and RTC each learn EBGP route N from RTD, RTB is missing LOCAL_PREF is set to 200, RTA and RTB, RTC establish IBGP neighbor relationship through loopback, RTA routing table, only N, RTB It is directly routed to the loopback of RTC and RTA itself. If RTB goes down due to a power failure, on RTA, can route N be switched to RTC immediately?
- A. No, because the neighbor relationship between RTA and RTB cannot be interrupted until the holdtime expires, and it takes about 3 minutes to switch over.
- B. No, because RTA and RTB establish the IBGP neighbor relationship through the loopback address. If the interconnection interface is improved, it can be switched.
- C. Yes, because the neighbor relationship between RTA and RTB is interrupted, RTA immediately switches to RTC
- D. Yes, because the next hop of the route N pointing to RTB is unreachable, RTA immediately switches to RTC
正解:D
質問 # 294
In the IS-IS network as shown in the figure, RTA and RTB are configured 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]network-entit01.2222.2222.2222.00
RTB-isis-1]interface serial 1/0
RTB-Serial1/0]isis enable 1
RTB-Serial1/0]isis circuit-level level-1
Then between RTA and RTB ______
- A. Unable to establish adjacency
- B. Only establish Level-1 adjacency
- C. Establishing Level-1 and Level-2 adjacency at the same time
- D. Only establish Level-2 adjacency
正解:B
質問 # 295
The command to cancel the automatic route aggregation of RIP protocol on the MSR router is ___________.
- A. [Router-Serial1/0] undo auto-summary
- B. [Router-rip-1]undo summary
- C. [Router-rip-1] undo auto-summary
- D. [Router-Serial1/0] undo summary
正解:B
質問 # 296
In the IS-IS network shown in the figure, RTA is configured with route aggregation.
So which of the following routes are included in the IS-IS routing table of RTC?
- A. 172.16.1.0/24
- B. 172.16.2.0/24
- C. 172.16.3.0/24
- D. 172.16.0.0/22
正解:C、D
質問 # 297
Which of the following statements about routing tables and FIB tables is true?
- A. The system imports the routes in the active (Active) state in the routing table into the FIB table
- B. The system imports the routes in the inactive (Inactive) state in the routing table into the FIB table
- C. The FIB entry comes from the ARP table and has nothing to do with the routing table
- D. The entries in the FIB table may come from the routing table or the ARP table
正解:A、D
質問 # 298
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 not be injected in zone 2
- A. Tpe7 LSA
- B. Tpe3 LSA
- C. Tpe5 LSA
- D. Tpe4 LSA
正解:A、C、D
質問 # 299
The wrong description of NET in IS-IS is ________.
- A. Each router can have up to 3 NETs, and these three NETs can be arbitrary
- B. NET is a special class of NSAP addresses
- C. The full name of NET is Network EntitTitle, which is similar to Router ID in OSPF and BGP
- D. In an IP network, the NSEL value in the NET address is all 0s
正解:A
質問 # 300
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. The OSPF network type of the current interface is Broadcast
- B. The Router ID of RTA's OSPF process 1 is 2.2.2.2
- C. RTA is elected as BDR in the network segment where the interface is located
- D. The IP address of the current interface is 192.168.1.1
正解:A、C、D
質問 # 301
The picture shows the sending of Hello packets between RTA, RTB and RTC.
According to the above information, it can be judged that ______ between RTA and RTC, and ______ between RTC and RTB.
- A. no adjacency established, no adjacency established
- B. The adjacency relationship has been established, but the adjacency relationship has not been established
- C. The adjacency relationship has been established, the adjacency relationship has been established
- D. Adjacency not established, adjacency established
正解:D
質問 # 302
Running the displaipv6 interface vlan-interface1 verbose command on a router displays the following information:
Vlan-interface1 current state: UP
Line protocol current state:UP
IPv6 is enabled, link-local address is FE80::2010:1
No global unicast address configured
Joined group address(es):
FF02::1:FF10:1
FF02::2
FF02::1
MTU is 1500 btes
ND DAD is enabled, number of DAD attempts: 1
ND reachable time is 30000 milliseconds
ND retransmit interval is 1000 milliseconds
ND advertised reachable time is 0 milliseconds
ND advertised retransmit interval is 0 milliseconds
ND router advertisements are sent ever600 seconds
ND router advertisements live for 1800 seconds
Hosts use stateless autoconfig for addresses
From the above information, it can be known that _______________.
- A. Vlan1 interface is boring and IPv6 protocol status is Up
- B. The IPv6 unicast address of the Vlan1 interface is only FE80::2010:1, and the global unicast address is not configured
- C. The transmit function of ND RA is not enabled on the Vlan1 interface
- D. The multicast addresses monitored by this interface include FF02::1 , FF02::2 , FF02::1:FF10:1
正解:A、B、C、D
質問 # 303
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 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.
- B. Usually, in mode (3) RTC can choose the optimal path to access Interner through IGP according to its own strategy.
- C. In mode (1), RTC can choose one of the default routes through IGP to reach the Internet 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、C、D
質問 # 304
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 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.
- B. Usually, in mode (3) RTC can choose the optimal path to access Interner through BGP according to its own strategy.
- C. In mode (2), RTC can reach the Internet by selecting one of the default routes through the IGP protocol according to its own strategy.
- D. In mode (1), RTC can choose one of the default routes through IGP to reach the Internet according to its own strategy.
正解:A、B
質問 # 305
IS-IS protocol messages are divided into IIH, CSNP, PSNP and LSP. These four message classifications are identified by ______.
- A. IS-IS dedicated header
- B. CLV
- C. IS-IS general header
- D. Link layer header
正解:A
質問 # 306
After the various routers in the figure have established IS-IS neighbor relationships, the routers that have sent CSNP messages have ______.
- A. RTB
- B. RTC
- C. RTA
- D. RTD
正解:B、C、D
質問 # 307
Which of the following messages does the BGP protocol use to withdraw unreachable routes?
- A. Notification
- B. Withdraw
- C. Open
- D. Update
正解:D
質問 # 308
In the topology shown in the figure, execute the following commands on RTA:
RTA-ospf-1] default-route-advertise
The default route cannot be observed in the routing table of the RTC router. The reason for the impossible is ______
- A. The routing policy is configured on RTB to filter the default route
- B. Area1 is configured as an NSSA area
- C. There is no default route in RTA's routing table
- D. A routing policy is configured on the RTC to filter the default route
正解:A
質問 # 309
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. 01.0001.0002.0003.00
- B. fedc.0001.0002.0003.00
- C. 02.fedc.0010.0020.0030.00
- D. 01.abcd.0001.0003.0002.00
正解:A、B
質問 # 310
In the topology shown in the figure, the network layer is reachable between RTA and RTB, RTB and RTC.
Perform the following configurations on RTA , RTB and RTC respectively:
RTA]ospf 1
RTA-ospf-1]area 1
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 1.1.1.1 0.0.0.0
RTB]ospf 1
RTB-ospf-1]area 1
rtb-ospf-1-area-0.0.0.1]network 192.168.1.0 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 192.168.2.0 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 192.168.2.0 0.0.0.255
RTC-ospf-1]silent-interface all
Which of the following statements is true ______
- A. No neighbors can be established between RTB and RTC
- B. RTC does not send Hello packets to RTB
- C. Neighborhood can be established between RTA and RTB normally
- D. RTC can accept Hello packets sent by RTB
正解:A、B、C、D
質問 # 311
When the BGP neighbor state machine is in what state, it indicates that the TCP connection with the neighbor has been established normally?
- A. IDLE
- B. OPENSENT
- C. CONNECT
- D. ACTIVE
正解:B
質問 # 312
When using IS-IS, which of the following statements is true for IS within an Area?
- A. Only Level-1 routes can be passed between ISs
- B. In order to save system resources, Level-1-2 IS only maintains the LSDB of Level-2
- C. An IS that can transmit both Level-1 and Level-2 routes is called a Level-1-2 IS, and it is responsible for inter-area communication
- D. Both Level-1 and Level-2 routes can be transmitted between ISs
正解:C、D
質問 # 313
Which of the following statements is true about filter-polic filtering RIP routes?
- A. RIP routes can be filtered by configuring ACL
- B. Routing information can be filtered through the publishing gateway
- C. RIP routes can be filtered by IP address prefix list
- D. Routing information can be filtered by interface
正解:A、B、C、D
質問 # 314
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