Huawei H12-261-ENU HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) Online Training
Huawei H12-261-ENU Online Training
The questions for H12-261-ENU were last updated at Dec 23,2024.
- Exam Code: H12-261-ENU
- Exam Name: HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching)
- Certification Provider: Huawei
- Latest update: Dec 23,2024
Which of the following advanced features does BGP EVPN support?
- A . ARP broadcast suppression
- B . VRRP over VXLAN
- C . Multi-live gateway
- D . VXLAN Qos
Which of the following statements about VXLAN messages is correct? (Multiple choice)
- A . The outer destination IP address is the IP address of the remote VTEP of the VXLAN tunnel.
- B . The source UDP port number is 4789
- C . Destination UDP port number is 4789
- D . VNI has 24 bits and is used to distinguish VLAN segments.
Which of the following types of packets is required to implement virtual machine migration in the BGP EVPN distributed gateway scenario?
- A . Type3
- B . Type5
- C . Type4
- D . Type2
- E . Type1
Which of the following statements about the BFD single-arm echo function are correct? (Multiple Choice)
- A . The BFD single-arm echo function must be configured with a local identifier and a remote identifier.
- B . The default destination IP address of the BFD single-arm echo function protocol packet is 224.0.0.184.
- C . BFD single-arm echo function is applicable to scenarios where one device supports BFD and the other device does not.
- D . After the BFD single-arm echo function is enabled, the destination IP and source IP of the BFD packets are the same.
The following statements about the VRRP protocol which are correct?
- A . Both VRRPv2 and VRRPv3 support authentication.
- B . VRRPv3 does not support authentication, while VRRPv2 supports authentication.
- C . VRRPv2 is only applicable to IPv4 networks, and VRRPv3 is only applicable to IPv6 networks.
- D . The owner of the Mater IP address has VRRP priority of 255, so the priority range that can be configured is 0-254.
HW users are transmitting a lot of files through TFTP.
What protocol does TFTP rely on for transmission?
- A . IcmP and UDP
- B . iP and TCP
- C . UDP
- D . NFS
- E . FTP
When deploying LLQ, you need to configure bandwidth parameters. What is the meaning of bandwidth parameters?
- A . Provide a built-in policer to limit the maximum available bandwidth of low latency queues during congestion
- B . This parameter should be as small as possible. It means that the bandwidth is always reserved, even if LLQ is used, this parameter will reduce the available bandwidth of the interface.
- C . It indicates that the reference CR is used to calculate the burst size of the built-in policer token bucket.
- D . This parameter is an option because LLQ always takes precedence over other queues
Assume that the port shaping rate is 100Mbps. The input bandwidth and PIR configured by IP of each service on the interface are as follows.
Then, after the first round of scheduling, what is the bandwidth allocated by the EF queue?
- A . 30M
- B . 15M
- C . 90M
- D . 25M
As shown in the figure, there are two IPv6 networks that can access the IPv4 network. At the same time, an IPSEC tunnel needs to be established between the two IPv6 networks for communication. Which of the following encapsulation modes can meet the requirements above?
- A . ESP + tunnel mode
- B . None of the above options
- C . AH + transmission mode
- D . AH + tunnel mode
Which of the following does the digital certificate not contain?
- A . Public key information
- B . Digital envelope
- C . Digital signature
- D . Issuer