Latest GB0-381-ENU Study Guides 2022 - With Test Engine PDF
Get New GB0-381-ENU Practice Test Questions Answers
NEW QUESTION 122
In the topology shown in the figure, RTC, RTD and RTE are configured as follows:
RTC]ospf 1 router-id 2.2.2.2
RTC-ospf-1]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
RTD]ospf 1 router-id 1.1.1.1
RTD-ospf-1]area 2
RTD-ospf-1-area-0.0.0.2]network 40.0.0.0 0.0.0.255
RTE-LoopBack0] ip address 5.5.5.5 255.255.255.255
RTE]ospf 1
RTE-ospf-1]area 2
RTE-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
RTE-ospf-1-area-0.0.0.2]network 40.0.0.0 0.0.0.255
RTE-ospf-1-area-0.0.0.2]nssa
RTE-ospf-1]import-route direct
then_________.
- A. Both RTC and RTD will convert Tpe7 LSA to Tpe5 LSA
- B. Tpe7 LSA will not be generated in area 2
- C. RTD will convert Tpe7 LSA to Tpe5 LSA, RTC will not convert
- D. RTC will convert Tpe7 LSA to Tpe5 LSA, RTD will not convert
Answer: D
NEW QUESTION 123
For the NSEL field in the NSAP address, the following description is correct.
- A. NSEL is used to indicate the link layer protocol type
- B. In the IP routing environment, the value of NSEL is usually FF
- C. NET can be regarded as the NSAP address with NSEL being 0
- D. NSEL is used to indicate the upper layer protocol type, similar to the Protocol field in the IP protocol
Answer: C,D
NEW QUESTION 124
H In the OSPF protocol, when the interface network type is NBMA (non-broadcast multiple access), the default Hello interval and neighbor failure time are respectively ______.
- A. 30, 120
- B. 40, 120
- C. 10, 40
- D. 10, 30
Answer: A
NEW QUESTION 125
Regarding the Stub area and TotalStub area of the OSPF protocol, the following statement is wrong: ______
- A. ASBRs cannot exist in either the stub area or the total stub area
- B. After the original stub area is changed to a total stub area, the number of LSAs propagated in the area will definitely decrease
- C. After the original stub area is modified to the total stub area, the number of LSAs in the LSDB of each router in the area will definitely decrease
- D. If there are two ASRs in the TotallStub area, each ABR sends a default route to the routers in the area
Answer: A,B,C
NEW QUESTION 126
L is a network design engineer. In a certain network project, in order to reduce the complexity, the small L design network adopts a two-layer architecture, and the access layer functions are incorporated into the convergence layer. In the design, the small L takes into account that the core layer needs to have a fast convergence function, and the convergence layer performs route aggregation to reduce the number of routes. Among the following routing protocols, which should be used by L as the aggregation layer routing protocol? (Choose two)
- A. BGP
- B. RIP
- C. IS-IS
- D. OSPF
Answer: C,D
NEW QUESTION 127
Which of the following statements about PBR is correct is _________
- A. Through PBR, you can set the routing attributes imported by the routing protocol
- B. PBR can perform routing based on the source address of the arriving message
- C. PBR is a mechanism for routing selection based on user-defined strategies
- D. PBR can perform routing based on the length of the arriving message
Answer: B,C,D
NEW QUESTION 128
In the IS-IS network as shown in the figure, after the routes of each router are stable, there are ______ IS-IS Level-1 routes learned by RTC through neighbors.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 129
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]stub no-summarRTC-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 4.4.4.4 0.0.0.0
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]stub
Which of the following routes may exist in the RTD routing table ______.
- A. 0.0.0.0/0
- B. 2.2.2.2/32
- C. 1.1.1.1/32
- D. 3.3.3.3/32
Answer: A,D
NEW QUESTION 130
As shown in the figure, in the IS-IS network, the RTA configuration commands are as follows, please complete them.
RTA]isis
RTA-isis-1]______
RTA-isis-1]interface serial 2/0
RTA-Serial2/0]isis enable 1
- A. network-entit01.1111.1111.1111.00
- B. network 192.168.12.1 0.0.0.0
- C. is-level level-1
- D. area 1
Answer: A
NEW QUESTION 131
In BGP routing optimization, for the following four attributes, the order of consideration by the system is _______.
1. MED
2. Orign
3. As-path
4. Local preference
- A. 2, 4, 1, 3
- B. 4, 3, 1, 2
- C. 2, 3, 1, 4
- D. 4, 3, 2, 1
Answer: D
NEW QUESTION 132
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
Answer: B
NEW QUESTION 133
Integrated IS-IS supports the ________ protocol.
- A. IP
- B. ISO
- C. OSI and IP
- D. OSI
Answer: C
NEW QUESTION 134
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. 02.fedc.0010.0020.0030.00
- B. abcd.abcd.0001.0002.0003.00
- C. fedc.0001.0002.0003.10
- D. 01.0001.0002.0003.00
Answer: B,D
NEW QUESTION 135
In the IS-IS network as shown in the figure, RTB is configured with route aggregation.
So which of the following routes are included in the RTC IS-IS routing table?
- A. 172.16.2.0/24
- B. 172.16.0.0/22
- C. 172.16.1.0/24
- D. 172.16.3.0/24
Answer: B
NEW QUESTION 136
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 RTA and RTB______ establish a neighbor relationship, and RTB and RTC______ establish a neighbor relationship.
- A. No, no
- B. No, you can
- C. Yes, yes
- D. Yes, no
Answer: B
NEW QUESTION 137
The RIP protocol is enabled on a router with a priority of 10; the OSPF protocol is also enabled with a priority of 100. If two protocols have learned 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 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. Unable to judge
- B. Forward to 1.0.0.1
- C. Forward to 1.0.0.2
- D. Forward to 1.0.0.1 and 1.0.0.2 at the same time
Answer: B
NEW QUESTION 138
The routers RTA and RTB are located in the same autonomous system. The BGP related configuration is as follows, then RTA and RTB are _____.
RTA]
bgp 100
timer keepalive 10 hold 30
peerRTB as-number 100
[RTB]
bgp 100
timer keepalive 30 hold 90
peerRTA as-number 100
- A. Cannot establish IBGP neighbor relationship
- B. Able to establish IBGP neighbor relationship, the holdtime of RTA is 90s, and the holdtime of RTB is 90s
- C. Able to establish IBGP neighbor relationship, the holdtime of RTA is 30s, and the holdtime of RTB is 30s
- D. The IBGP neighbor relationship can be established. The holdtime of RTA is 30s and the holdtime of RTB is 90s.
Answer: C
NEW QUESTION 139
In the following statement about PBR (polic-based-route) load sharing application, the error is ______________.
- A. PBR can implement load sharing on the outbound interface according to the next hop of the route
- B. PBR can implement load sharing on the outgoing interface according to the source address of the message
- C. PBR can implement load sharing on the outgoing interface according to the different bearer services of the data stream
- D. PBR can realize load sharing on the outgoing interface according to different packet lengths
Answer: A
NEW QUESTION 140
In the topology shown in the figure, perform the following configuration in 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
RTB] acl number 2000
RTB-acl-basic-2000] rule 0 permit source 192.168.1.0 0.0.0.255
RTB-ospf-1] filter-polic2000 import
Then the possible routes in the RTC routing table are _____
- A. 192.168.2.0/24
- B. 192.168.0.0/24
- C. 192.168.1.0/24
- D. 192.168.4.0/24
Answer: C
NEW QUESTION 141
As shown in the figure, RTA and RTB establish an IS-IS adjacency relationship on a P2P type link.
After RTB sends LSP_N to RTA, RTA sends ______ to RTB, and RTB sends LSP_N to RTA after timing, indicating that this message is ______.
- A. PSNP, RTB received
- B. PSNP, RTB not received
- C. CSNP, RTB received
- D. CSNP, RTB not received
Answer: B
NEW QUESTION 142
Among the following routing protocols, the one that belongs to EGP is ______, and the one that uses link state algorithm is ______.
- A. BGP; RIP
- B. OSPF; BGP
- C. BGP; OSPF
- D. OSPF; RIP
Answer: C
NEW QUESTION 143
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 be injected into the backbone area
- A. Tpe3 LSA
- B. Tpe7 LSA
- C. Tpe5 LSA
- D. Tpe4 LSA
Answer: A,C,D
NEW QUESTION 144
Regarding filter-polic filtering OSPF routes, which of the following statements are correct?
- A. OSPF routing information can be filtered by the next hop based on the routing information to be added to the routing table
- 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 routes can be filtered by configuring ACL
Answer: A,C,D
NEW QUESTION 145
......
GB0-381-ENU Dumps and Exam Test Engine: https://www.test4cram.com/GB0-381-ENU_real-exam-dumps.html