HCIE-Routing&Switching H12-261-ENU Exam Questions Online

1. Cross-device link aggregation enables data stream transmission and mutual backup of stack member switches. However, because of the limited bandwidth of stack cables between stack devices, which of the following methods can be used to improve forwarding efficiency?

2. About the description of CHAP authentication function in the PPP protocol, which of the following are correct? (Multiple Choice)

3. A switch is running the Rapid Spanning Tree Protocol (RSTP).

Upon a topology change, what happens to dynamic entries in the L2 forwarding table?

4. Which of the following statements is true about the MUX VLAN feature of Huawei switches?

5. When you perform troubleshooting on a LAN deployed with Huawei devices, you find that there is a large number of unicast frames with unknown MAC addresses.

What is the biggest risk for the switches?

6. About the description of the process of sending and receiving data frames in the Access mode of the switch interface, which is correct?

7. In Rapid Spanning Tree Protocol (RSTP), which port provides a backup path to the root bridge and which state should this port be in?

8. Which of the following options may affect the establishment of IBGP neighbors? (Multiple Choice)

9. The following is about the RD attribute filter of BGP, what is the correct description? (Multiple Choice)

10. ISIS will elect DIS in the broadcast multi-access network. Which of the following statement about DIS is correct? (Multiple Choice)

11. About Filter-policy, which of the following description is correct?

12. The OSPFv3 protocol is a separately developed protocol. It differs from OSPFv2 in that OSPFv3 is based on links rather than network segments. Which of the following statement is wrong?

13. Which of the following statements are NOT true regarding the TCP sliding window? (Multiple Choice)

14. As shown in the following figure, in IPv4 and IPv6 environments the SEL value in an IS-IS NET address is always 00.

15. As shown in the following figure, a part of the LSP of the LSDB of a router is shown in the first line of the figure. First received a new LSP, the second hop in the following picture, which of the following statement is wrong?

16. Regarding the Stub area and the NSSA area of OSPF, the wrong statement of the following is _____.

17. Regarding BGP route filtering, which of the following description is wrong?

18. If the value of the Option field in the OSPFv3 Hello packet sent by GigabitEthernet 0/0/0 on Router A is 0x000013, the correct description of the following is: (Multiple Choice).

19. The ISIS protocol is deployed in an IPv6 environment. The correct statement in the following is:

20. After BGP imports routes of other protocols, the next hop in the BGP routing table is the same as the next hop of the introduced routing protocol.