H12-261-ENU Dumps 2021 - New Huawei H12-261-ENU Exam Questions
Free H12-261-ENU Braindumps Download Updated on Dec 06, 2021 with 525 Questions
NEW QUESTION 155
The configuration of two routers in a company is as follows. which of the following statement about the R1 routing table is correct?
- A. If the priority of the ISIS protocol of R1 is adjusted to 5, the P route entry with the destination network segment of R1 on 10.6.2.2/32 is generated by OSPF.
- B. Only if the priority of the R2 ISIS protocol is adjusted to 5, the P route entry with the destination network segment of 10.1.2.2/32 on R1 will be generated by OSPF.
- C. If the priority of the R1 ISIS protocol is adjusted to 5, the P route entry with the destination network segment of 10.0.2.2/32 on R1 is generated by ISIS.
- D. If the priority of the R2 ISIS protocol is adjusted to 5, the P route entry with the destination network segment of 10.1.2.2/32 on R1 is generated by ISIS.
Answer: C
NEW QUESTION 156
Which of the following options is correct for the description of the optimal routing elections for various protocols?
- A. The route with the next hop unreachable in BGP is also put into the IP routing table.
- B. Different routing entries learning from BGP and OSPF to the same destination network segment select the optimal route to join the IP routing table by comparing the preference value of the protocol.
- C. BGP selects the optimal route to the same destination network segment by comparing the cost value of the route entry.
- D. OSPF puts all routing information in the LSDP into the IP routing table.
Answer: B
NEW QUESTION 157
In traffic policing, the dual-bucket dual-speed is used. The number of tokens in the C bucket is TC, and the number of tokens in the P bucket is TP. When a message of length B enters, which of the following statements are correct? (Multiple Choice)
- A. If TP-B>0 and TC-B<0, the message is marked as green
- B. If TP-B<0 and TC-B<0, the message is marked in red
- C. If TP-B>0 and TC-B>0, the message is marked as green
- D. If TP-B>0 and TC-B<0, the message is marked as yellow
Answer: B,C,D
NEW QUESTION 158
Which of the following types of routes are used to advertise external routes in BGP EVPN?
- A. Type5
- B. Type4
- C. Type3
- D. Type1
- E. Type2
Answer: A
NEW QUESTION 159
Router HW is enabled with OSPF and the role of the router HW is ABR, and abr-surmnary is configured. Which classes of LSA will be aggregated?
- A. Class 1 LSA
- B. Class 4 LSA
- C. Class 5 LSA
- D. Class 3 LSA
- E. Class 2 LSA
Answer: A,D,E
NEW QUESTION 160
Which statements regarding IBGP or EBGP neighbors are true? (Multiple Choice)
- A. EBGP neighbor peering must use the physical interface address to establish peering.
- B. IBGP peers must be directly connected; otherwise, the IBGP-multihop option must be configured.
- C. IBGP neighbor peering can be established using the loopback interface address.
- D. EBGP peers must be directly connected; otherwise, the EBGP-multihop option must be configured.
- E. BGP updates from an IBGP peer are propagated to other IBGP and EBGP peers.
- F. BGP updates from an EBGP peer are propagated to other IBGP and EBGP peers.
Answer: C,D,F
NEW QUESTION 161
Use the ip as-path-filter as-path-filter-number {deny | permit} regular-expression command to configure the as-path filter.
In this command, multiple clauses can form an as-path-filter statement.
So what is the relationship between multiple statements?
- A. The routes are matched in order. When a route matches a clause, it no longer matches downwards.
- B. The routes are matched in order and the route needs to match all the clauses.
- C. Relationship with
- D. Relationship or
Answer: A
NEW QUESTION 162
An engineer builds a network topology to study the working mechanism of the OSPFv3 protocol. The configuration of R1 and R2 is as follows. What are the types of LSAs exchanged between R1 and R2? (Multiple choice)
- A. Link-LSA
- B. Inter-area-prefix-lsa
- C. Network-LSA
- D. Router-lsa
Answer: A,C,D
NEW QUESTION 163
The OSPFv3 Option field appears in all LSA.
- A. False
- B. True
Answer: A
NEW QUESTION 164
Regarding the Stub area and the NSSA area of the OSPF protocol, which of the following statement is wrong?
- A. Both the Stub area and the NSSA area are allowed to inject Type 3 LSA.
- B. The Type 7 LSA is not allowed to be injected in the Stub area, and the NSSA area is allowed to inject the Type 7 LSA.
- C. Type 5 LSA is not allowed to be injected in the Stub area, and Type 5 LSA is allowed to inject in the NSSA area.
- D. Stub area and NSSA area are not allowed to inject Type 4 LSA.
Answer: C
NEW QUESTION 165
Regarding the stub area in the OSPF protocol, the following statement which is correct? (Multiple Choice)
- A. ASBR cannot exist in the stub area.
- B. stub area is not allowed to inject type7 LSA
- C. The virtual link cannot traverse the stub area.
- D. The backbone area cannot be configured as a stub area.
Answer: A,B,C,D
NEW QUESTION 166
The network administrator defines the following policy for traffic policing:
If the policy is applied to a router port and there is no traffic on the port for about 10 seconds, how many bytes of burst will be available for class cl for packets to be marked as green?
- A. 32K bytes
- B. 80128 bytes
- C. 48128 bytes
- D. 256K bytes
Answer: C
NEW QUESTION 167
Which of the following statements about the BSR mechanism are true? (Multiple Choice)
- A. A PIM-SM domain can have multiple C-BSRs, but only one elected BSR.
- B. A C-BSR can also collect C-RP information by using C-RP packets.
- C. An elected BSR floods Bootstrap packets to advertise BSR information and C-RP information to all routers in a PIM-SM domain.
- D. An elected BSR can collect C-RP information by using the C-RP packets received.
Answer: A,C,D
NEW QUESTION 168
What is the correct description about Filter-policy?
- A. When filtering routes using the prefix list, the entry ip ip-prefix 1 deny 0.0.0.0 0 less-equal 32 means that only the default route is matched.
- B. The prefix list can filter routes as well as filter packets.
- C. Filtering the generation of type 5 LSA and type 7 LSA on the ASBR in OSPF using Filter-Policy
- D. Filter-Policy can filter the received or advertised link state information, and can modify the attributes of the route entry.
Answer: C
NEW QUESTION 169
In an MPLS VPN network, different CE devices can exchange routing information with the same PE device using different routing protocols. The routing protocols used between different CE devices and the same device are independent of each other.
- A. False
- B. True
Answer: B
NEW QUESTION 170
Which of the following is the correct description of route penetration for ISIS?
- A. ISIS route penetration can be deployed on Level-1 routers.
- B. ISIS route penetration is used to prevent routing loops.
- C. ISIS route penetration does not cause neighbors to oscillate.
- D. In the route penetration of ISIS, the route before penetration cannot be an aggregate route.
- E. ISIS route penetration can be used in an IPv6 environment.
Answer: C,E
NEW QUESTION 171
In the OSPF broadcast network, there are four routers in the same network segment, RTA, RTB, RTC and RTD, whose DR priorities are 2, 1, 1, and 0, and the router IDs are respectively 192.168.1.1, 192.168.2.1,192.168.3.1 and 192.168.4.1. If OSPF is enabled on all the four routers, the BDR selected by OSPF is ().
- A. RTA
- B. RTC
- C. RTB
- D. RTD
Answer: B
NEW QUESTION 172
As shown in the configuration, if the administrator configures OSPF on R1 but R1 cannot learn the routes of other routers, what are the possible reasons? (Multiple Choice)
[R1] ospf
[Rl-ospf-1] area 2
[R1-ospf-1-area-0.0.0.2] network 10.0.13.1 0.0.0.0
- A. This router is not configured with authentication, but the neighbor router is configured with authentication.
- B. This router is not configured with an OSPF process ID.
- C. The area ID configured by this router is different from the area ID of its neighbor router.
- D. The router's announcement network address does not match the interface mask
Answer: A,C
NEW QUESTION 173
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