[Jan-2023] GB0-381-ENU exam torrent H3C study guide
Use Valid New GB0-381-ENU Test Notes & GB0-381-ENU Valid Exam Guide
NEW QUESTION 53
In the following NSAP, the NET address that can be used as an integrated IS-IS is _______.
- A. 1000.2000.3000.00
- B. 10.101.202.303.00
- C. 00.AAAA.BBBB.CCCC.00
- D. 1.2222.3333.4444.00
Answer: C
NEW QUESTION 54
Which of the following address prefix lists matches the default route?
- A. permit 0.0.0.0 0
- B. permit 255.255.255.255 0 less-eual 32
- C. permit 0.0.0.0 less-eual 32
- D. permit 255.255.255.255 0
Answer: A
NEW QUESTION 55
Among the following statements about BGP load sharing, the correct one is ______.
- A. IBGP supports equal-cost routing, EBGP does not support equal-cost routing
- B. It is possible to form equal-cost routes by learning the same route from EBGP and IBGP neighbors at the same time
- C. BGP does not support load sharing, only IGP supports responsible sharing
- D. BGP only performs load balancing on routes with the same AS_PATH, ORIGIN, local preference, and MED
Answer: D
NEW QUESTION 56
As shown in the figure, RTA and RTB are connected by IPv6 Over IPv4 manual tunnel, and OSPFv3 is run on each IPv6 interface, then there are ______ IPv6 routes learned by OSPFv3 on RTA.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 57
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. Adjacency established, no adjacency established
- C. Adjacency not established, adjacency established
- D. The adjacency has been established, the adjacency has been established
Answer: B
NEW QUESTION 58
As shown in the figure, RTA has configured each interface address and enabled the NAT-PT function. It is now required to configure a one-to-one static NAT-PT mapping on the RTA, which of the following configurations is correct?
- A. RTA]natpt v6bound static 1::2 1.1.1.3 RTA]natpt v4bound static 1.1.1.3 1::3
- B. RTA]natpt v6bound static 1::2 1.1.1.2 RTA]natpt v4bound static 1.1.1.3 1::3
- C. RTA]natpt v6bound static 1::3 1.1.1.3 RTA]natpt v4bound static 1.1.1.2 1::2
- D. RTA]natpt v6bound static 1::2 1.1.1.3 RTA]natpt v4bound static 1.1.1.2 1::3
Answer: D
NEW QUESTION 59
SOA-based network architecture divides enterprise IT systems into which of the following layers? (Select one or more)
- A. service layer
- B. Network layer
- C. Business Layer
- D. Application layer
Answer: A,D
NEW QUESTION 60
______ Use the shortest path first (SPF) algorithm.
- A. RIP
- B. OSPF
- C. BGP
- D. S-IS
Answer: B,D
NEW QUESTION 61
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. 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
- B. Two-way introduction of OSPF and BGP is done on RTA and RTB respectively, without the need to consider loops and sub-optimal paths.
- C. 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
- D. 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.
Answer: B,C
NEW QUESTION 62
The RIP protocol is enabled on a router, the process number is 1, and the priority is 10; at the same time, the OSPF protocol is enabled, the process number is 100, and the priority is 100. If two processes learn the route of the 10.0.0.0/8 network segment 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. Forward to 1.0.0.1 and 1.0.0.2 at the same time
- B. Unable to judge
- C. Forward to 1.0.0.1
- D. Forward to 1.0.0.2
Answer: C
NEW QUESTION 63
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 20.0.0.0 0.0.0.255
RTB-ospf-1]import-route direct
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
rtc-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 30.0.0.0 0.0.0.255
rtd-ospf-1-area-0.0.0.2]nssa
RTD-ospf-1]import-route direct
Which of the following routes ______ cannot possibly exist in the RTD's routing table.
- A. 1.1.1.1/32
- B. 3.3.3.3/32
- C. 0.0.0.0/0
- D. 2.2.2.2/32
Answer: A,C,D
NEW QUESTION 64
Which of the following levels does the SOA-based network architecture divide the enterprise IT system into? (Choose one or more)
- A. Infrastructure layer
- B. Network layer
- C. Session layer
- D. Application layer
Answer: A,D
NEW QUESTION 65
Two MSR routers RTA and RTB are connected through the 192.168.1.0/20 network segment. Now execute the following commands on the two routers:
RTA] ospf 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 100
RTB-ospf-100] area 1
RTB-ospf-100-area-0.0.0.1] network 192.168.1.0 0.0.0.255
From the above configuration, you can judge ______.
- A. RTA and RTB can establish OSPF neighbor relationship
- B. RTA and RTB cannot establish OSPF neighbor relationship. The OSPF process ID and area ID must be configured to be the same before OSPF neighbor relationship can be established
- C. RTA and RTB cannot establish OSPF neighbor relationship. If OSPF process numbers are configured to be the same, OSPF neighbor relationship can be established
- D. RTA and RTB cannot establish OSPF neighbor relationship. If the area ID is configured to be the same, OSPF neighbor relationship can be established
Answer: D
NEW QUESTION 66
The interface configuration of a router is as follows: According to the above information, it can be judged that the tunnel type of the Tunnel0 interface is ____.
- A. 6to4 tunnel
- B. ISATAP tunnel
- C. Static Tunnel
- D. GRE tunnel
Answer: D
NEW QUESTION 67
Which of the following statements about IS-IS and OSPF is true _______.
- A. IS-IS is better than OSPF in scalability, but OSPF is more widely used
- B. The backbone area of IS-IS must be Area0 and must be continuous
- C. IS-IS operates at the transport layer, OSPF operates at the network layer, both use the SPF algorithm
- D. An IS-IS router can only belong to one area, and different interfaces of an OSPF router can belong to multiple areas
Answer: A,D
NEW QUESTION 68
The following are aggregation layer functions are ______. (select one or more)
- A. complex routing strategy
- B. Access Security Control
- C. Has a large number of interfaces for connecting to end-user computers
- D. high-speed packet switching
Answer: A
NEW QUESTION 69
As shown in the figure, RTA establishes an eBGP neighbor relationship with RTB and RTC respectively, and both RTB and RTC advertise a route N to RTA.
As shown in the figure, if you want RTA to give priority to the route advertised by RTB, and the route advertised by RTC as a backup, you need _____.
- A. Set the routing policy for RTB on the RTA in the inbound direction, and set the local priority of the route advertised by RTB to 200
- B. When RTB advertises routes to RTA, MED is set to 100 : When RTC advertises routes to RTA, MED is set to 200
- C. When RTB advertises routes to RTA, MED is set to 200 : When RTC advertises routes to RTA, MED is set to 100
- D. Set the local priority value of route N to 200 on RTB and set the local priority value of route N to 100 on RTC
Answer: A,B
NEW QUESTION 70
Host A and Host B are on the same Ethernet link. After host A receives the NS message sent by host B, it will record the correspondence between the IPv6 address of host B and the link layer address in the neighbor cache table.
At this time, the host is on A, and the neighbor state of host B is _______.
- A. Probe
- B. Delay (Dela)
- C. Stale
- D. Reachable
- E. Incomplete ( Incomplete )
Answer: C
NEW QUESTION 71
Among the following types of LSA, must be generated by ABR ______
- A. Tpe3 LSA
- B. Tpe5 LSA
- C. Tpe7 LSA
- D. Tpe4 LSA
Answer: A,D
NEW QUESTION 72
Which of the following elements are present in the routing table but not in the FIB table?
- A. Cost ( Cost )
- B. Routing flag ( Flag )
- C. Destination Address/Mask ( Destination/Mask )
- D. Outgoing interface ( Interface )
Answer: B,C,D
NEW QUESTION 73
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