Oct-2021 Latest PracticeVCE H12-261-ENU Exam Dumps with PDF and Exam Engine Free Updated Today!
Following are some new H12-261-ENU Real Exam Questions!
NEW QUESTION 19
You are doing a job to compress the length of an IPv6 address as much as possible. The existing IPv6 address is 2013: X000:130F:0000:0000:09C0:876A:130B. In order to make the IPV6 address more concise, the IPv6 address can be compressed into which of the following one?
- A. 2013: 0:130F:0:0:9C0:876A:130B
- B. 2013: 0:130F:0:0:09C0:876A:130B
- C. 213::13F:9C:876A:13B
- D. 2013: 0:130F::9C0:876A:130B
- E. 2013::130F::9C0:876A:130B
Answer: D
NEW QUESTION 20
As shown in the following figure, the corresponding peer relationship is established. The AS400 receives the 1.1.1.1/32 network route from the AS100. What is the AS-Path attribute?
- A. 100 200 300 400
- B. 400 300 200 100
- C. 300 200 100
- D. 100 200 300
Answer: C
NEW QUESTION 21
Which of the following statements about IS-IS route leakage are correct? (Multiple Choice)
- A. You can configure IS-IS route leakage on the Level-1 router.
- B. IS-IS route leakage is used to prevent routing loops
- C. IS-IS route leakage does not cause neighbors to oscillate
- D. IS-IS route leakage can be configured in the IPV6 environment.
- E. In the IS-IS route leakage, the route to be leaked cannot be a summary route.
Answer: C,D
NEW QUESTION 22
As shown in the figure, which of the following statement is correct? (Multiple Choice)
- A. If the R2 Ethernet 0/0/1 interface is down, the next hop of the route that R1 reaches 10.0.0.2 is changed to 10.0.12.2.
- B. The OSPF status changes to FULL, which triggers the BFD session.
- C. If the R2 Ethernet0/0/0 interface is down, the next hop of the route that R1 reaches 10.0.0.2 is changed to 10.0.21.2.
- D. If the R2 Ethernet 0/0/1 interface is down, the R1 BFD session can quickly detect the fault and notify R1 to make the OSPF neighbor relationship down.
- E. If the BFD function is disabled on R2, the BFD session of R1 will be down. It will cause OSPF neighbor relationship down.
Answer: B,D
NEW QUESTION 23
Regarding the OSPFv3 protocol, which of the following description is wrong?
- A. When sharing a router, each OSPFv3 process runs independently.
- B. The Instance ID field is included in the OSPFv3 packet header.
- C. Multiple instances can be run in the same OSPFv3 process on the same interface.
- D. Support multiple instances running on a single link
Answer: C
NEW QUESTION 24
The multicast IP address is 229.130.130.1, and the corresponding MAC address is:
- A. 01-00-5E-02-82-01
- B. 00-00-5E-02-82-01
- C. 00-00-5E-82-82-01
- D. 01-00-5E-82-82-01
Answer: A
NEW QUESTION 25
Regarding the cross-domain VPN-OptionB scheme, which of the following description is wrong?
- A. During the packet forwarding process, exchange the private network LSPs of the VPN on the two ASBRs.
- B. Exchange the outer label of the VPNv4 route between the two ASBRs.
- C. The cross-domain VPN-Option B scheme is not limited by the number of interconnected links between ASBRs.
- D. An IP-EBGP neighbor relationship needs to be established between the two ASBRs.
Answer: B
NEW QUESTION 26
Both ISIS CSNP packets and OSPF DD packets are in the MA network, describing the role of the link state database profile. Which of the following statements is correct?
- A. Once the adjacency relationship is established, CSNP packets and DD packets will stop sending.
- B. The master-slave relationship in the DD packet exchange of OSPFA is not bound to the DR/BDR. The CSNP packet is generated only by the DIS.
- C. The two routers do not need to confirm the peer router after sending.
- D. Both routers need to confirm the two routers after sending them. Otherwise, they need to be retransmitted.
Answer: B
NEW QUESTION 27
If there is no zoning, which of the following statements are correct about the link state routing protocol? (Multiple Choice)
- A. The router sends all link state information from the neighbor to all other neighbors to ensure that the data in the database is synchronized.
- B. Each router learns routing entries from the updated routing information and adds them to the routing table.
- C. Routers in the entire routing domain have the same LSDB
- D. Routers in the same routing domain may repeatedly receive the same link state information.
- E. Each router establishes a routing domain topology.
Answer: C,D,E
NEW QUESTION 28
To display the routing table of router R1, the "display ip routing-table" command was issued. Router R1 is running OSPF.
Which one of the following statements is true regarding the OSPF information in a routing table?
- A. A routing designated with only an "O_ASE" represents either a type-1 or type-2 LSA.
- B. All LSA types have unique designations in the IP routing table.
- C. Type-7 LSAs display routes are imported into OSPF from another process, and are indicated by an "OSPF" marking.
- D. Routes that are within an area (intra-area) are marked with an "O_IA" in the routing table.
- E. A route that has been imported into OSPF can only be represented with an "O_ASE" designation.
Answer: E
NEW QUESTION 29
BGP 4+ runs between the two routers. The neighbor relationship is normal. However, the BGP routing table of the local router does not have neighbor's routing entry. What is the possible reason? (Multiple Choice)
- A. The routing entries of the peer BGP routing table are non-optimal.
- B. Active-route-advertise configured on the peer
- C. The next hop address of the BGP routing entry is unreachable.
- D. Peer ignore configured on the peer
Answer: A,B,C
NEW QUESTION 30
Regarding the Stub area and the NSSA area of the OSPF protocol, which of the following statement is incorrect?
- A. Type7 LSA is not allowed in the Stub area, and Type 7 LSA is allowed in the NSSA area.
- B. Both the Stub area and the NSSA area can inject Type 3 LSAs.
- C. Type 5 LSA is not allowed in the Stub area, and Type 5 LSA is allowed in the NSSA area.
- D. Both the Stub area and the NSSA area are not allowed to inject Type 4 LSA.
Answer: C
NEW QUESTION 31
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 32
In RSTP, which port can provide the backup path to reach the root node of the spanning tree? What status is the port in?
- A. Alternate port and Forwarding status
- B. Alternate port and Learning status
- C. Designated port and Listening status
- D. Alternate port and Discarding status
- E. Root port and Listening status
Answer: D
NEW QUESTION 33
Router A has a destination network segment of 10.0.0.1/32 IP routing, and the outgoing interface is Gigabitethernet0/0/1. Now add the following configuration acl number 2000 rule 10 permit source 10. 0.1.1 0 traffic classifier test if-match acl 2000 traffic behavior test remark dscp cs3 traffic policy test classifier test behavior test interface Gigabitethernet0/0/1 ip address10.0.12.1255.255 .255.0 traffic-policy test outbound assumes that Router A received a packet with a destination IP of 10.0.0.1. The following statements which are correct? (Multiple Choice)
- A. If the source IP address of the packet is 10.0.0.2, it cannot be forwarded.
- B. If the source IP address of the packet is 10.0.0.1, it can be forwarded and the DSCP field is marked as cS3.
- C. If the source IP address of the packet is 10.0.0.2, it can be forwarded while the DSCP field remains unchanged.
- D. If the source IP address of the packet is 10.0.0.2, it can be forwarded and the DSCP field is marked as CS3.
Answer: B,C
NEW QUESTION 34
The Level-2 LSP is transmitted to the Level-1 area by Level-1-2 IS. If the location of ATT is in the Level-2 LSP is 1, it indicates that the Level-1 in the area can pass the Level-1-2 IS to the outside area.
- A. False
- B. True
Answer: A
NEW QUESTION 35
An existing BGP router HW1 is configured with both an IBGP neighbor and an EBGP neighbor. Which of the following descriptions are correct about IBGP neighbors and EBGP neighbors? (Multiple Choice)
- A. The router will send BGP updates learned from its EBGP neighbors to its own other IBGP neighbors and EBGP neighbors.
- B. EBGP neighbors must establish neighbor relationships through directly connected physical interface addresses.
- C. EBGP neighbors must be directly connected. Otherwise, EBGP-Multi-hop must be configured
- D. The router will send BGP updates learned from its IBGP neighbors to its own other IBGP neighbors and EBGP neighbors.
- E. IBGP neighbors must be directly connected. Otherwise, IBGP-Multi-hop must be configured
- F. IBGP neighbors can establish neighbor relationships through loopback interfaces.
Answer: A,C,F
NEW QUESTION 36
As shown in the figure, in the IPv4 and IPv6 environment, the SEL field in the ISIS NET address always takes the value 00.
- A. True
- B. False
Answer: A
NEW QUESTION 37
Which of the following descriptions are wrong about BGP load sharing? (Multiple Choice)
- A. The destination network segment is the same, and BGP routes with different sources can form load sharing.
- B. IBGP routes and EBGP routes arriving at the same destination on the public network can form load balancing.
- C. If BGP load balancing is implemented, the local device needs to be configured with the peer next-hop-local command to change the next hop address to its own address when advertise router to the IBGP peer group.
- D. The AS_Path attribute of the equal-cost route that forms load sharing must be different.
Answer: A,B,D
NEW QUESTION 38
As shown in the following topology diagram, all the interfaces of the router in the figure are all enabled with the ISIS protocol. The correct statements of the following are: (Multiple Choice)
- A. If the GE0/0/0 interface of R3 is down, then R2 will become the master device.
- B. If the Ethernet 0/0/1 interface of R1 is down, then R2 will become the master device.
- C. If the Ethernet 0/0/0 interface of R1 is down, then R2 will become the master device.
- D. If the Ethernet 0/0/0 interface of R3 is down, then R2 will become the master device.
Answer: A,C
NEW QUESTION 39
In order to reduce the number of OSPF routes in some stub areas, OSPF has developed a special area function. Which of the following description about the OSPF special area is correct?
- A. As -External-lsa is released to the Stub area
- B. ASBR-Summary-LSA is allowed to be advertised to the NSSA area.
- C. Special area routers cannot establish OSPF neighbor relationships with regular area routers.
- D. Any OSPF area can be configured as a special area.
Answer: C
NEW QUESTION 40
In the case of not dividing the area, which of the following description of the link state routing protocol is correct? (Multiple choice)
- A. The router will send all link state information from one neighbor to all other neighbors to ensure the synchronization of the database.
- B. Each router establishes a topology of the entire flood domain
- C. Routers in the entire flooding domain have the same link state database
- D. Routers in the flooding domain may repeatedly receive the same link state information.
- E. Each router learns the route directly from the routing update and adds it to the routing table.
Answer: B,C,D
NEW QUESTION 41
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. An elected BSR floods Bootstrap packets to advertise BSR information and C-RP information to all routers in a PIM-SM domain.
- C. An elected BSR can collect C-RP information by using the C-RP packets received.
- D. A C-BSR can also collect C-RP information by using C-RP packets.
Answer: A,B,C
NEW QUESTION 42
In Huawei devices, when ISIS imports external routes and sets external route tags for routing information, the metric type of ISIS does not need to be modified, just keep the default.
- A. False
- B. True
Answer: A
NEW QUESTION 43
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