[Nov-2021] Feel Huawei H12-261-ENU Dumps PDF Will likely be The best Option
H12-261-ENU exam torrent Huawei study guide
NEW QUESTION 147
As shown in the following figure, enterprises hope to achieve successful access VPN between headquarters and branches through MPLS.
Branch office VPN traffic must be forwarded through the headquarters for traffic monitoring.
Which of the following statement about this solution is wrong?
- A. BGP can be used to exchange VPN routing information between the CE and the PE.
- B. When Hub-CE and Hub-PE use EBGP to transmit routing information, the Hub-PE must be able to accept routes that are repeated by the AS number to receive routes advertised by the Hu-CE.
- C. OSPF can be used to exchange routing information between the Hub-CE and the Hub-PE and between the Spoke-PE and the Spoke-CE.
- D. You can establish an MP-IBGP peer relationship between the Spoke-PEs and exchange VPN routing information.
Answer: D
NEW QUESTION 148
In RSTP, which port can provide the backup path that has reached to the root node of the spanning tree? What state is the port?
- A. Alternate port and Discarding state
- B. Root port and Listening state
- C. Designate port and Listening state
- D. Alternate port and Forwarding state
- E. Alternate port and Learning state
Answer: A
NEW QUESTION 149
The Type 5 LSA in OSPF are used to pass external routes. Which of the following statements about the Type 5 LSA are wrong?
- A. Configure the corresponding policies on the ABR and ASBR to filter the Type 5 LSA.
- B. Type 5 LSAs are advertised by the ASBR and flooded in the OSPF network in the non-Stub/NSSA area.
- C. The router in the same area as the ASBR can calculate the external route through the intra-area LSA and the Type 5 LSA.
- D. The FA address is included in the Type 5 LSA, and the FA address is 0.0.0.0, but has no practical effect as a reservation.
Answer: D
NEW QUESTION 150
Which of the following advanced features does BGP EVPN support? (Multiple Choice)
- A. Multi-live gateway
- B. ARP broadcast suppression
- C. VRRP over VXLAN
- D. VXLAN Qos
Answer: A,B
NEW QUESTION 151
Which of the following description of the 8021s deployment features is correct?
- A. Each VLAN shares a spanning tree instance
- B. Multiple VLANs share a spanning tree instance
- C. Multiple bridges share a spanning tree instance
- D. All VLANs share a spanning tree instance
Answer: B
NEW QUESTION 152
Which AS_PATH can be matched by command ip as-path-filter 1 permit ^12.*74$?
- A. AS_PATH ( 125 328 74 23 )
- B. AS_PATH ( 32 1274 23 )
- C. AS_PATH ( 123 621 743 2374 )
- D. AS_PATH ( 321 12 2374 )
Answer: C
NEW QUESTION 153
Which of the following description is correct about the process of sending and receiving data frames in the Access mode of the switch interface?
- A. Only receive unlabeled data frames in Access mode
- B. In the Access mode, the VLAN tag of the data frame will be stripped off when sending.
- C. When the data frame enters the switch interface, the switch learns the destination MAC address in the data frame.
- D. When receiving a tagged data frame directly discards in Access mode
Answer: B
NEW QUESTION 154
The existing route-policy is as follows: ip community-filter 1permit 100:1 ip as-path-filter 2 permit^100$ route-policytest permit node 10 if-match community-filter 1 if-match as-path-filter 2 apply as -path 200 the above configuration description, which is correct?
- A. Only when the community attribute value carried in the BGP route is 100:1 or AS_PATH is 100, the BGP route matches the route-policy above. The AS-PATH attribute of the matching route will be changed to 200.
- B. Only when the BGP route carries the AS-PATH as 100, the BGP route matches the route-policy above. The AS-PATH attribute of the matching route will be changed to 200.
- C. As long as the BGP route carries the community attribute value of 100:1, the BGP route matches the route-policy above. The AS-PATH attribute of the matching route will be changed to 200.
- D. Only when the community attribute value carried in the BGP route is 100:1 and AS_PATH is 100, the BGP route matches the route-policy above. The AS-PATH attribute of the matching route will be changed to 200.
Answer: D
NEW QUESTION 155
Two routers are connected through the serial port, but the interconnection interface cannot be pinged. Now check the port status as follows, which is the possible reason? (No figure is shown, one PPP, and one HDLC, you can find the reason.)
- A. Link bandwidth is not enough
- B. Link layer protocol is inconsistent
- C. The IP address is not on the same network segment.
- D. Subnet mask does not match
Answer: B
NEW QUESTION 156
Which of the following statements are NOT true regarding the TCP sliding window? (Multiple Choice)
- A. The size of the sliding window can only increase or stay the same.
- B. The size of initial window is advertised by the sender.
- C. TCP sliding window allows the transmission of multiple frames before waiting for an acknowledgement.
- D. The sender need not transmit a full window's worth of data.
- E. If the retransmission timer expires but the sender has not received the acknowledgement, it will retransmit the unacknowledged data.
Answer: A,B
NEW QUESTION 157
When the ABR is a Type 5/7 LSA switch router in the NSSA area, the ABR can aggregate the Type 5 LSAs converted from the Type 7 LSA.
- A. True
- B. False
Answer: A
NEW QUESTION 158
Which of the following description about the assertion mechanism is correct?
- A. In the assertion mechanism, the winner is responsible for forwarding multicast data to the broadcast network segment.
- B. In the assertion mechanism, loser shut down the interface connected to the broadcast network.
- C. The size of the IP address will not be used as a condition for election during the election of the winner.
- D. The assertion mechanism is used for the election of the DR.
Answer: A
NEW QUESTION 159
As shown in the figure, the IPSEC VPN is established between the branch and the headquarters using redundant links. At the same time, URPF is enabled on the traffic from the branch 1 on Router B.
Which of the following options is correct? (Multiple Choice)
- A. When using IPSEC backup link redundancy backup, URPF loose mode is recommended when the URPF function enables on the physical interface.
- B. When using IPSEC backup link redundancy backup, URPF strict mode can be used when URPF function enables on the physical interface.
- C. When using IPSEC multi-link redundancy backup, URPF strict mode can be used when URPF function enables on the physical interface.
- D. When using IPSEC multi-link redundancy backup, URPF strict mode can be used when URPF function enables on the tunnel interface.
Answer: A,D
NEW QUESTION 160
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 strip the label and find the IP destination address of the FIB.
- 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 forward the packet using the default label.
- D. Router HW1 will discard the packet.
Answer: D
NEW QUESTION 161
In an MPLS VPN network, some devices maintain VPN routing information and private network information to ensure that VPN packets can be forwarded. These devices not only need to run routing protocols but also need to run MP-BGP and MPLS protocols. What types of these devices are?
- A. PE
- B. Host
- C. P
- D. CE
Answer: A
NEW QUESTION 162
Which is wrong about IPv6 Over VXLAN?
- A. IPv6 Over VXLAN does not generate entries.
- B. IPv6 over VXLAN means that Vxlan's Overlay network is an IPv6 network.
- C. The tunnel between the Layer 2 and Layer 3 gateways of the VXLAN is an IPv4 network.
- D. IPv6 over VXLAN can solve the problem of insufficient IP address resources for terminal tenants.
Answer: A
NEW QUESTION 163
In a shared network, what mechanism does PIM-SM use to prevent duplicate traffic?
- A. Join/Prune mechanism
- B. Assert mechanism
- C. Register mechanism
- D. BSR/RP mechanism
Answer: B
NEW QUESTION 164
As shown in the figure, R1, R2, and R3 run OSPF at the same time and announce their respective loopbacks. Which of the following description is wrong?
- A. You can use the filter import command in Area0 to filter the loopback route of R3 on the R2.
- B. You can use the filter-policy export command to filter the loopback route of R3 on the R2.
- C. You can filter the loopback route of R3 by using filter-policy import on the R1.
- D. You can use the filter export command to filter the loopback route of R3 in Area1 on the R2.
Answer: B
NEW QUESTION 165
The following topology diagram, all the interfaces of the router in the figure open the ISIS protocol, which of the following statement is correct? (Multiple Choice)
- A. If the Ethernet 0/0/0 interface of R3 is down, then R2 will become the master device.
- B. If the Ethernet 0/0/0 interface of R1 is down, then R2 will become the master device.
- C. If the Ethernet 0/0/1 interface of R1 is down, then R2 will become the master device.
- D. If the GE0/0/0 interface of R3 is down, then R2 will become the master device.
Answer: B,C,D
NEW QUESTION 166
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 2 LSA
- D. Class 3 LSA
- E. Class 5 LSA
Answer: A,C,D
NEW QUESTION 167
A switch is running the Rapid Spanning Tree Protocol (RSTP).
Upon a topology change, what happens to dynamic entries in the L2 forwarding table?
- A. All entries are removed except for entries behind edge ports.
- B. All entries are removed except for those behind edge ports and the port where TC was received.
- C. Only entries behind the port where TC was received are removed.
- D. All entries are removed (purged).
- E. The aging timer is set to 15 seconds, so idle entries age out.
Answer: B
NEW QUESTION 168
The network administrator defines a traffic policing strategy such as
[Huawei] display traffic policy user-defined
User Defined Traffic Policy Information:
Policy: p1
Classifier c1
Operator: OR
Behavior: b1
Committed Access Rate:
CIR 256(Kbps), PIR 0 (Kbps) CBS 48128 (byte), PBS 80128 (byte)
Color Mode: color blind
Conform Action: pass
Yellow Action: pass
Exceed Action: discard
statistic: enable
The router port that uses this policy has been idle for about 10 seconds. At this time, there are huge bursts of c1 type traffic coming in an instant, so how many bytes will be colored in the green packet?
- A. 32K bytes
- B. 80128 bytes
- C. 2K bytes
- D. 48128 bytes
Answer: D
NEW QUESTION 169
Which is wrong about IPv6 Over VXLAN?
- A. IPv6 Over VXLAN does not generate entries.
- B. The tunnel between the Layer 2 and Layer 3 gateways of the VXLAN is IPv4 network.
- C. IPv6 over VXLAN means that Overlay network of Vxlan is IPv6 network.
- D. IPv6 over VXLAN can solve the problem of insufficient IP address resources for terminal tenants.
Answer: A
NEW QUESTION 170
Which of the following is optimal for building a loop-free Layer 2 network?
- A. Stack + MSTP
- B. TRILL+MSTP
- C. Stack + link aggregation
- D. Link Aggregation + MSTP
Answer: C
NEW QUESTION 171
As shown in the figure, in the hub&spoke multicast mode of MPLS bgp VPN, in order to realize that the branch can only communicate with the headquarters, the branches cannot communicate with each other. Which of the following schemes can the RT be set to?
- A. Headquarters: Import Target : 1:1 Export Target: 3:3 branch 1: Import Target: 3:3 Export Target: 1:1 branch 2: Import Target: 3:3 Export Target: 2:2
- B. Headquarters: Import Target : 12:3 Export Target: 12:3 branch 1: Import Target: 12:3 Export Target: 12:3 branch 2: Import Target: 12:3 Export Target: 12:3
- C. Headquarters: Import Target : 2:2 Export Target: 3:3 branch 1: Import Target: 3:3 Export Target: 1:1 branch 2: Import Target: 3:3 Export Target: 2:2
- D. Headquarters: Import Target: 12:3 Export Target: 3:12 branch 1: Import Target: 3:12 Export Target: 12:3 branch 2: Import Target: 3:12 Export Target: 12:3
Answer: D
NEW QUESTION 172
......
Use Valid New H12-261-ENU Test Notes & H12-261-ENU Valid Exam Guide: https://www.prep4surereview.com/H12-261-ENU-latest-braindumps.html
