Best Quality H12-261-ENU Exam Questions Huawei Test To Gain Brilliante Result!
Preparations of H12-261-ENU Exam 2021 HCIE-R&S Unlimited 525 Questions
NEW QUESTION 189
Now there is a network consisting of router R1, router R2, router R3 and router R4. These four routers are interconnected via a LAN network. Basic OSPF is deployed on all four routers. When you execute the command "display ospf peer" on the router R2, the status between router R2 and router R3 is "2way".
So, what conclusion can you draw from this output? (Multiple Choice)
- A. Router R4 is DR
- B. There is no full adjacency relationship between router R2 and router R3.
- C. Router R2 is not DR
- D. Router R3 is neither a DR, nor a BDR
- E. Router R2 is a DR or BDR
Answer: B,C,D
NEW QUESTION 190
Regarding the BGP alliance, which of the following description is wrong?
- A. The sub-AS number of the alliance is advertised to BGP peers outside the alliance by default.
- B. The alliance can easily detect the routing loop in the AS because EBGP is running between sub-ASs.
- C. The alliance divides an AS into several sub-ASs, and the external AS still considers the alliance to be an AS.
- D. The sub-AS number in the alliance can use a private AS number. A Huawei NE/AR router can be configured with up to 32 sub-AS numbers.
Answer: A
NEW QUESTION 191
In addition to stateless address autoconfiguration, IPv6 devices can also obtain information such as address, gateway and DNS through DHCPv6.
- A. False
- B. True
Answer: A
NEW QUESTION 192
Broadcast-type network, starting the election of DIS after the establishment of the neighbor relationship
- A. True
- B. False
Answer: A
NEW QUESTION 193
Regarding the characteristics of CE dual-homing, which description is wrong?
- A. The CE is connected to the backbone network through two links. The two links can be used as both load balancing and active/standby links.
- B. The VRFs of two PEs connected to the same CE can belong to different VPNs.
- C. In the CE dual-homing network, loops may occur, and route-tags can be used to solve loop problems.
- D. CE and PE form a CE dual-homed network to ensure high network availability.
Answer: C
NEW QUESTION 194
ISIS does not send CSNP packets under the P2P network type during the neighbor establishment process.
- A. False
- B. True
Answer: A
NEW QUESTION 195
What is the correct description about Filter-policy?
- A. Filter-Policy can filter the received or advertised link state information, and can modify the attributes of the route entry.
- B. 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.
- C. Filtering the generation of type 5 LSA and type 7 LSA on the ASBR in OSPF using Filter-Policy
- D. The prefix list can filter routes as well as filter packets.
Answer: C
NEW QUESTION 196
VXLAN needs to be accessed under different VPN subnets. One subnet information is as follows. EVPN RT 10:10 both, RT 1000:1000 export, VPN RT 100:100. What is the configuration of another subnet? (Multiple Choice)
- A. EVPN configuration 1000: 1000 export
- B. VPN configuration 1000:1000 both evpn
- C. EVPN configuration 1000: 1000 both
- D. VPN configuration 10:10 both
Answer: B,C
NEW QUESTION 197
If the OSPF protocol is running on the network, configure the non-backbone area in the OSPP area as the LSA with the ls-id of 0.0.0.0 in the Totally Stub Totally Stub area. Which LSA does the LSA belong to?
- A. LSA3
- B. LSA1
- C. LSA2
- D. LSA5
Answer: A
NEW QUESTION 198
Which of the following descriptions are correct about the PPPoE data frame? (Multiple Choice)
- A. The Ethernet_Type field is fixed to 0x8863.
- B. The Session_ID of the PPP session is not allowed to change, it must be specified in the Discovery phase.
- C. Once the PPPoE session is established, all Ethernet packets are unicast
- D. When PPPoE passes session data, Code must be set to 0x0.
Answer: B,C,D
NEW QUESTION 199
As shown in the following figure, what routes can R2 learn?
- A. R2 can learn routes 10.1.2.0/24 and 10.1.3.0/24.
- B. R2 can learn the LSPs of R1 but cannot add them to the routing table.
- C. R2 can learn the route 10.1.1.0/24.
- D. R2 can learn all the routes of R1.
Answer: D
NEW QUESTION 200
The network administrator prepares to use the 6to4 automatic tunnel to carry IPv6 data on the IPv4 network. The IPv4 address of the router interface is 138.14.85.210, so the corresponding tunnel address is 2001:8a0e:55d2:1:230:65ff:fe2c:9a6.
- A. False
- B. True
Answer: A
NEW QUESTION 201
If multiple candidate RPs are configured in a certain group of multicasts, which of the following parameters need to be compared between the multiple candidate RPs? (Multiple Choice)
- A. C-RP priority
- B. IP address of the C-RP interface
- C. Number of the C-RP interface
- D. Group-wide mask length of the C-RP service matching the group address to which the user joins
Answer: A,B,D
NEW QUESTION 202
Which of the following is true about the route penetration of ISIS? (Multiple Choice)
- A. In the route penetration of ISIS, the route before penetration cannot be an aggregate route.
- B. ISIS route penetration does not cause neighbors to oscillate.
- C. ISIS route penetration is used to prevent routing loops.
- D. ISIS route penetration can be deployed on Level--1 router.
- E. ISIS route penetration can be used in IPv6 environment.
Answer: B,E
NEW QUESTION 203
Which of the following technologies use tunnels to communicate between IPv6 addresses? (Multiple Choice)
- A. NAT64
- B. 6to4
- C. Dual Stack
- D. ISATAP
Answer: B,D
NEW QUESTION 204
The router HW1 exists as an MPLS LSR router in the network of the operator HW. The router receives a packet carrying a label, but the label entry does not exist in its LFIB. So how does the router handle the packet?
- A. Router HW1 will discard the packet.
- B. Router HW1 uses LDP to create an LSP and creates a new path for the label carried in the packet in the LFIB.
- C. Router HW1 will strip the label and find the IP destination address of the FIB.
- D. Router HW1 will forward the packet using the default label.
Answer: A
NEW QUESTION 205
By default, the switch configures the MAC address table to be empty. Host A connected to the switch sends the first unicast data frame. What operation will the switch perform after receiving the data frame?
- A. The switch caches the data frame and waits for the destination host to send the data frame and then forward it.
- B. The switch records the source MAC address of the data frame and floods the data frame.
- C. The switch will discard the data frame
- D. The switch forwards the data frame out of an interface according to the destination MAC address of the data frame.
Answer: B
NEW QUESTION 206
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