素晴らしいGB0-381-ENU試験問題集試そうGB0-381-ENU問題集PDF
GB0-381-ENU問題集PDFでGB0-381-ENUリアル試験問題解答
質問 125
Which of the following BGP attributes are recognized mandatory attributes?
- A. LOCAL_PREF
- B. COMMUNIT
- C. NEXT_HOP
- D. AS_PATH
正解: C,D
質問 126
There is a 21.22.23.0/22 in the router's IP routing table. To import it into BGP, which one of the following commands should be used?
- A. network 21.22.23.0 255.255.254.0
- B. network 21.22.20.0 255.255.252.0
- C. network 21.22.23.0 mask 255.255.254.0
- D. network 21.22.20.0 mask 255.255.252.0
正解: B
質問 127
The networking is shown in the figure, RTB advertises route 13.14.3.0/24 to RTA, LP is 150, MED is 50. Route received by RTC from RTA
What is the LP and MED of 13.14.3.0/24?
- A. No LP, no MED
- B. No LP, MED 50
- C. LP 150 , MED 50
- D. LP 100 , no MED
正解: A
質問 128
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 type of port connected to the neighbor whose Stem-ID is 2222.2222.2222 is LAN
- B. The ports connected to the two neighbors are not of LAN type
- C. It is a Level-1-2 router
- D. Is a Level-2 router
正解: A,C
質問 129
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. Area1 is configured as an NSSA area
- B. The routing policy is configured on RTB to filter the default route
- 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: B
質問 130
Execute displaip policy-based-route statistic interface ethernet1/0 on the router, and the output is as follows:
Interface Ethernet1/0 policbased routing statistics information :
policy-based-route : aaa
permit node 5
apploutput-interface serial1/0
Denied : 0 , Forwarded : 0
Total denied : 0 , forwarded : 0
According to the above output, it can be seen that ______.
- A. The router applies PBR with name aaa on interface Ethernet1/0
- B. The specified sending interface of the matched packet is ethernet1/0
- C. The number of times of successful forwarding and forwarding failure of this policy-based route are both 0
- D. The node number is 5, and the matching mode is the allowable mode
正解: A,C,D
質問 131
For the IS-IS protocol message exchange process, the correct one of the following descriptions is ________.
- A. IS-IS protocol packets use the NSAP address in CLNP
- B. The NSAP address is composed of two parts, IDP and DSP, with a fixed length of 160 bits.
- C. In an IP network, IS-IS bearers interact in IP packets
- D. NSAP is a variable-length address, the longest is 160 bits, and the shortest is 64 bits
正解: A,B
質問 132
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.
For route aggregation, the correct post-aggregation route is _________.
- A. 10.0.0.0/22
- B. 10.0.0.0/23
- C. 10.0.0.0/25
- D. 10.0.0.0/24
正解: A
質問 133
The following belong to the core layer function is _______. (Choose one or more)
- A. High-speed packet switching
- B. Access security control
- C. Necessary routing strategy
- D. Possess a large number of interfaces for connecting with end user computers
正解: A,C
質問 134
In IS-IS, ______ is divided into two types: Level-1 and Level-2.
- A. CLV
- B. IIH
- C. PSNP
- D. CSNP
- E. LSP
正解: B,C,D,E
質問 135
The administrator wants to configure the OSPF routing priority value on the MSR router as 60. Which of the following commands is correct?
- A. Router]preference 60
- B. Router]ospf preference 60
- C. Router-ospf-1]ospf preference 60
- D. Router-ospf-1]preference 60
正解: D
質問 136
Regarding the Local_Preference attribute of BGP, the following statement is wrong is ______
- A. BGP router passes this attribute to IBGP neighbor
- B. The attribute value of Local_Preference only affects the traffic leaving the AS, not the traffic entering the AS
- C. BGP router passes this attribute to EBGP neighbors
- D. The Local_Preferenc attribute is a recognized must-follow attribute
正解: C,D
質問 137
In the IS-IS network shown in the figure, RTB 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. 172.16.3.0/24
- C. 172.16.0.0/22
- D. 172.16.2.0/24
正解: C
質問 138
Which of the following statements about BGP synchronization is false?
- A. BGP synchronization is configured to prevent routing black holes
- B. Configuration synchronization has no effect on routes learned from EBGP peers
- C. If a full-mesh IBGP neighbor relationship is established between all routers in the autonomous system, the configuration of BGP synchronization can be canceled
- D. Configuration synchronization only works on IBGP routes originating from this AS
正解: D
質問 139
In the OSPF protocol, the destination address used by the DR router to send update packets to all non-DR routers is _____.
- A. 224.0.0.5
- B. 224.0.0.4
- C. the interface address of the non-DR router
- D. 224.0.0.6
- E. 224.0.0.9
正解: D
質問 140
The networking is shown in the figure. AS 65001 and AS 65002 are the sub-ASs of the federated AS 100. RTA establishes eBGP neighbor relationships with RTB, RTC and RTD respectively. How should the BGP protocol of RTA be configured?
- A. RTA] bgp 100 confederation id 65001 confederation peer-as 65002 peerRTB as-number 65002 peerRTC as-number 200 peerRTD as-number 300
- B. RTA] bgp 100 confederation id 65001 peerRTB as-number 65002 peerRTC as-number 200 peerRTD as-number 300
- C. RTA] bgp 65001 confederation id 100 confederation peer-as 65002 peerRTB as-number 65002 peerRTC as-number 200 peerRTD as-number 300
- D. RTA] bgp 65001 confederation id 100 peerRTB as-number 65002 peerRTC as-number 200 peerRTD as-number 300
正解: A,C
質問 141
The correct description of the relationship between the domain ( Domain ) and the area ( Area ) in IS-IS is ______ .
- A. Domain contains Area
- B. Area contains Domain
- C. There can only be one Domain in an Area
- D. There can be multiple Areas within a Domain
正解: A,D
質問 142
RTA and RTB are not directly interconnected, and are located in autonomous systems 100 and 200 respectively. The loopback0 address of RTA is 1.1.1.1, and the loopback address of RTB is 02.2.2.2.
If an EBGP neighbor relationship is established between RTA and RTB with loopback0, which of the following configurations is the correct configuration on RTA?
- A. peer 2.2.2.2 connect-interface loopback 0 peer 2.2.2.2 as-number 200
- B. peer 2.2.2.2 connect-interface loopback 0 peer 2.2.2.2 as-number 200
- C. peer 2.2.2.2 connect-interface loopback 0 peer 2.2.2.2 as-number 200 ebgp-max-hop
- D. peer 2.2.2.2 connect-interface loopback 0 peer 2.2.2.2 as-number 200 peer 2.2.2.2 ebgp-max-hop
正解: D
質問 143
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