H3C GB0-381-ENU Test Engine Practice Test Questions, Exam Dumps
100% Free GB0-381-ENU Daily Practice Exam With 364 Questions
NEW QUESTION 17
Regarding the NSAP area address in IS-IS, the following statement is correct.
- A. The NSAP area address is used to identify the area in the routing domain
- B. A router can be configured with up to 3 NSAP area addresses, usually only 1
- C. In the NSAP address 12.3456.7890.abcd.ef, the area address is 12
- D. In the NSAP address 12.3456.7890.abcd.ef, the area address is 12.3456
Answer: A,B,C
NEW QUESTION 18
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
RTA-Serial2/0]isis cost 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]isis cost 1
RTB-Serial1/0]interface Ethernet 0/0
RTB-Ethernet0/0]isis enable 1
RTB-Ethernet0/0]isis cost 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]isis cost 1
RTC-Ethernet0/0]interface Ethernet 0/1
RTC-Ethernet0/1]isis enable 1
RTC-Ethernet0/1]isis cost 1
After the routing of each router is stable, the cost of IS-IS routing 192.168.3.0/24 on RTA is ______.
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: D
NEW QUESTION 19
For the IS-IS protocol message interaction process, the following description is correct.
- A. NSAP is a variable length address, the longest is 160 bits, and the shortest is 64 bits
- B. In an IP network, IS-IS is carried in IP packets for interaction
- C. IS-IS protocol packets use the NSAP address in CLNP
- D. NSAP address is composed of IDP and DSP, with a fixed length of 160 bits
Answer: C,D
NEW QUESTION 20
z Regarding the NSSA area of the OSPF protocol, the following statements are incorrect: _______
- A. The ABR in the NSSA area must convert Tpe7 LSA to Tpe5 LSA
- B. Only one ABR can exist in an NSSA area
- C. There can be multiple ASBRs in an NSSA area
- D. Tpe7 LSA must be injected into the NSSA area
Answer: A,B,D
NEW QUESTION 21
In the topology shown in the figure, the network layer is reachable between RTA and RTB, and between RTB and RTC.
The following configurations are performed 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
The following statement is correct ________
- A. RTB can accept Hello messages sent by RTC
- B. Cannot establish neighbors between RTB and RTC
- C. Neighbors can be established normally between RTA and RTB
- D. RTB does not send Hello packets to RTA
Answer: A,B,D
NEW QUESTION 22
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 auto- summary
- C. [Router-rip-1]undo summary
- D. [Router-Serial1/0] undo summary
Answer: C
NEW QUESTION 23
In the network shown in the figure, the adjacency relationship between the routers is established normally, and there is no configured route leakage. Then RTA will forward the IP packet whose destination is 16.224.3.1 to ________.
- A. RTB
- B. RTE
- C. RTC
- D. RTD
Answer: A
NEW QUESTION 24
As shown in the figure, EBGP runs between AS100, AS200, AS300, and AS400.
When AS400 receives BGP routes from AS100, the path sequence recorded in its AS-Path attribute is ______.
- A. (300, 200, 100)
- B. (100, 200, 300, 400)
- C. (400, 300.200, 100)
- D. (100, 200, 300)
Answer: A
NEW QUESTION 25
Which of the following descriptions about routing filtering are correct?
- A. The purpose of route filtering is to control the generation of routes
- B. Route filtering can save link overhead
- C. The purpose of route filtering is to control the propagation of routes
- D. Route filtering can play a role in protecting network security
Answer: A,B,C,D
NEW QUESTION 26
Which of the following statements about the AS_PATH attribute is correct:
- A. When advertising routes to EBGP neighbors, if the AS_PATH of a route contains the AS number of the opposite end, the route is ignored
- B. When advertising routes to EBGP neighbors, if the AS_PATH of a route contains the AS number of the opposite end, the route will not be sent to the opposite end
- C. AS_PATH is an optional pass attribute
- D. All BGP routes must contain AS_PATH, even if AS_PATH is empty
Answer: A,D
NEW QUESTION 27
Which of the following statements about BGP synchronization are wrong?
- A. Configure BGP synchronization to prevent routing black holes
- B. Configuration synchronization does not work on routes learned from EBGP peers
- C. If a full mesh IBGP neighbor relationship is established between all routers in the autonomous system, the BGP synchronization configuration can be cancelled
- D. Configuration synchronization only works on IBGP routes originated by the autonomous system
Answer: D
NEW QUESTION 28
About the difference between system policy routing and interface policy routing. The correct statement is _________
- A. Interface policy routing works on both locally generated packets and forwarded packets
- B. System policy routing only affects local messages, and does not affect forwarded messages
- C. Interface policy routing only affects forwarded packets, and does not affect locally generated packets
- D. System policy routing works on both locally generated and forwarded packets
Answer: B,C
NEW QUESTION 29
In the network shown in the figure, the BGP routing learning between routers is normal, and the BGP routing attributes all take default values.
After the route 9.0.0.0 is imported into BGP on RTD, if the next hop of route 9.0.0.0 on RTA is to point to RTC, the following adjustment methods are feasible: ______
- A. Set the MED value of the route sent by RTC to RTA to 50
- B. Set the MED value of the route sent by RTB to RTA as 200
- C. Set the MED value of the route sent by RTC to RTA as 200
- D. Set the MED value of the route sent by RTB to RTA as 50
Answer: A,C
NEW QUESTION 30
As shown in the figure, RTA and RTB act as border routers between the BGP routing domain and the OSPF routing domain.
In order to realize the routing intercommunication between the BGP routing domain and the OSPF routing domain, the following route distribution strategy is not feasible: _______
- A. Two-way import of OSPF and BGP are performed on RTA and RTB respectively, and appropriate routing filtering strategies must be adopted to avoid routing loops and sub-optimal path problems.
- B. Adjust the OSPF external routing priority on RTA and RTB to make it less than the BGP routing priority; import BGP routes into OSPF on RTA and RTB, and advertise the routes in the OSPF domain to BGP via the network command
- C. Adjust the OSPF external routing priority on RTA and RTB to make it greater than the BGP routing priority; import BGP routes into OSPF on RTA and RTB, and advertise the routes in the OSPF domain to BGP via the network command
- D. Two-way introduction of OSPF and BGP is done on RTA and RTB respectively, without the need to consider loops and sub-optimal paths.
Answer: B,D
NEW QUESTION 31
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; accept
- B. up; refuse
- C. up; accept
- D. down; refuse
Answer: C
NEW QUESTION 32
In the topology shown in the figure, the RTA needs to be configured to introduce the default route in the OSPF area.
Which of the following configurations can achieve the above purpose?
- A. 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] default-route-advertise alwa
- B. 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] default-route-advertise alwa RTA] ip route-static 0.0.0.0 0.0.0.0 192.168.0.2
- C. 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] default-route-advertise RTA] ip route-static 0.0.0.0 0.0.0.0 192.168.0.2
- D. 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] default-route-advertise
Answer: A,B,C
NEW QUESTION 33
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. 01.0001.0002.0003.00
- C. abcd.abcd.0001.0002.0003.00
- D. fedc.0001.0002.0003.10
Answer: B,C
NEW QUESTION 34
After executing the displaospf peer command on the MSR router RTA, the router output is as follows:
It can be judged from the above output that ________.
- A. The OSPF Router ID of the neighboring router is 3.3.3.3
- B. The failure time between RTA and neighbors is still 37s
- C. RTA is not elected as DR on the interconnected network
- D. The Router ID of RTA's OSPF process 1 is 2.2.2.2
Answer: A,B,C
NEW QUESTION 35
Regarding the default metric value of different routing protocols when importing routes, the following description is correct: __________
- A. When OSPF routing protocol redistributes routes, the default cost of the redistributed routes is 0
- B. BGP uses the cost value of the imported route as the MED value after importing the BGP domain
- C. When OSPF routing protocol redistributes routes, the default cost of the redistributed routes is 1
- D. BGP uses the cost value of the imported route plus 1 as the MED value after importing the BGP domain
Answer: B,C
NEW QUESTION 36
In the topology shown in the figure, the following configurations are performed on RTA, RTB, and RTC:
RTA-GigabitEthernet0/0] ip address 192.168.2.1 255.255.255.0
RTA-GigabitEthernet0/0] ospf network-tpe p2p
RTA] ospf 1 router-id 1.1.1.1
RTA-ospf-1] area 1
RTA-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255
RTB-GigabitEthernet0/0] ip address 192.168.2.2 255.255.255.0
RTB-GigabitEthernet0/0] ospf network-tpe p2p
RTB-GigabitEthernet0/1] ip address 192.168.3.1 255.255.255.0
RTB-GigabitEthernet0/1] ospf network-tpe p2p
RTB] ospf 1 router-id 2.2.2.2
RTB-ospf-1] area 1
RTB-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255
RTB-ospf-1] area 0
RTB-ospf-1-area-0.0.0.0] network 192.168.3.0 0.0.0.255
RTC-GigabitEthernet0/0] ip address 192.168.3.2 255.255.255.0
RTC-GigabitEthernet0/0] ospf network-tpe p2p
RTC] ospf 1 router-id 3.3.3.3
RTC-ospf-1] area 0
RTC-ospf-1-area-0.0.0.0] network 192.168.3.0 0.0.0.255
Then the types of LSAs generated by RTB in the OSPF area are _______
- A. Tpe4 LSA
- B. Tpe15 LSA
- C. Tpe2 LSA
- D. Tpe1 LSA
- E. Tpe3 LSA
Answer: D,E
NEW QUESTION 37
There is a 192.168.1.0/27 in the router's IP routing table. To import it into BGP, which of the following commands should be used?
- A. network 192.168.1.0 mask 255.255.255.224
- B. network 192.168.1.0 0.0.0.31
- C. network 192.168.1.0 255.255.255.224
- D. network 192.168.1.0 mask 0.0.0.31
Answer: C
NEW QUESTION 38
RTA and RTB run OSPF routing protocol, and both belong to the backbone area.
Which of the following methods cannot be used to advertise the RTA direct route 192.168.1.0/24 to the OSPF routing domain?
- A. RTA]ip route-static 192.168.1.0 24 null0 RTA-ospf-1]import-route static
- B. RTA-ospf-1]import-route static
- C. RTA-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255
- D. RTA-ospf-1]import-route direct
Answer: A,B
NEW QUESTION 39
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. In the data stream matching Alc3000, the message with the message length of 101~1000 bytes will be forwarded according to the policy routing
- B. Data streams matching Alc3000 will be forwarded according to policy routing
- C. Messages with a message length of 101~1000 bytes will be forwarded according to policy routing
- D. Data flow matching Alc3000 and messages with a message length of 101~1000 bytes will be forwarded according to policy routing
Answer: A
NEW QUESTION 40
In the network as shown in the figure, the correct IP addresses have been configured on RTA, RTB and RTC.
Execute the following commands on the three routers RTA, RTB and RTC:
RTA-Serial5/0] ospf dr-priorit100
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
RTB] ospf 1 router-id 2.2.2.2RTB-ospf-1] area 0
RTB-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
RTC] ospf 1 router-id 3.3.3.3 RTC-ospf-1] area 0
RTC-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
Judging from the above configuration, ________
- A. RTA and RTB, RTA and RTC cannot establish neighbors
- B. A neighbor can be established between RTA and RTB, but a neighbor cannot be established between RTA and RTC
- C. A neighbor cannot be established between RTA and RTB, but a neighbor can be established between RTA and RTC
- D. RTA and RTB, RTA and RTC can establish neighbors
Answer: A
NEW QUESTION 41
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