Huawei H12-261 Online Practice Questions and Exam Preparation

Huawei H12-261 Online Questions & Answers

• Question 81:

  What kind of life can be used to prevent the user from using the HUB? ( ) to access multiple devices on the access port of the call?

  A. [Huawei] interface GigabitEthernet 0/0/1 [Huawei-GigabitEthernet0/0/1]port link type trunk [Huawei-GigabitEtherneto/0/1]port trunk allow pass vlan 10B. [Huaweiinterface GigabitEthernet 0/0/1 [Huawei-GigabitEtherneto/0/1]port link type access [Huawei GigabitEtherneto/0/jipsg enable
  B. [Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEtherneto/O]port link-type access [Huawei-GigabitEtherneto/O]port-security enable
  C. [Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEtherneto/0]port link-type access [Huawei-GigabitEthernet0/O]port-isolate enable
  C. [Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEtherneto/0]port link-type access [Huawei-GigabitEthernet0/O]port-isolate enable

• Question 82:

  The network administrator defines a traffic policy as follows:

  

  The router port to which the traffic policy is applied has been idle for about 10 seconds. In this case, if there is suddenly a large amount of c1 burst traffic, what is the number of bytes in the green packets?

  A. 32 Kbytes
  B. 256 Kbytes
  C. 80128 bytes
  D. 48128 bytes
  D. 48128 bytes

• Question 83:

  

  As shown in the following figure, R1, R2, and R3 run OSPF and advertise their loopback interface addresses into OSPF. Which of the following statements is false?

  A. The filter import command can be executed on R2 in Area 0 to filter loopback interface routes of R3.
  B. The filter-policy import command can be executed on R1 to filter loopback interface routes of R3.
  C. The filter export command can be executed on R2 in Area 1 to filter loopback interface routes of R3.
  D. The filter-policy export command can be executed on R2 to filter loopback interface routes of R3.
  A. The filter import command can be executed on R2 in Area 0 to filter loopback interface routes of R3.

• Question 84:

  Which of the following statements regarding MPLS is false?

  A. MPLS supports multi-layer nesting. The value of the S bit of the innermost label is 1.
  B. The label space range of dynamic signaling protocols such as LDP and MP-BGP from 16 to 1023.
  C. When an IP packet is transmitted on an MPLS network that uses TTL processing in pipe mode, the TTL value of the IP packet decrements by 1 only at the ingress and egress nodes of the MPLS network.
  D. The MPLS label is 20 bits long and is used for packet forwarding.
  C. When an IP packet is transmitted on an MPLS network that uses TTL processing in pipe mode, the TTL value of the IP packet decrements by 1 only at the ingress and egress nodes of the MPLS network.

• Question 85:

  Which of the following attacks are DoS (Denial of service) attacks?

  A. Single-packet attacks
  B. Flood attacks
  C. Man-in-the middle attacks
  D. Source IP address spoofing attacks
  B. Flood attacks
  C. Man-in-the middle attacks
  D. Source IP address spoofing attacks

• Question 86:

  LDP IGP IGP LDP IGP IGP LDP and the communication are used to suppress the distribution of reachable routes to ensure that the network convergence is coordinated and the path is maintained. Consistently, minimize the loss of traffic and improve the reliability of the entire network.

  A. True
  B. False
  A. True

• Question 87:

  A BGP connection goes down after being successfully set up. What is not possible cause for this problem?

  A. Negotiation of parameters in Open packets fails.
  B. Mandatory attributes in Update packets are missing.
  C. Error BGP packets are received.
  D. After the BGP connection is set up, no Keepalive packet is received within the negotiated holdtime.
  B. Mandatory attributes in Update packets are missing.

• Question 88:

  As shown, it is a link between R1 R2 PPP R1 R2 IP, and the direct interface is not connected to the same network segment, but can communicate with the straight interface, and the same rule In the case where the Ethernet channel cannot communicate, what is the reason?

  

  A. R1 R2 POS IPCP 24 and the interconnection port, learned the parallel subnet routing of the straight interface
  B. R1 R2 POS IPCP 32 and the interconnection port, learned the serial host route of the straight interface
  C. R1 R2 POS LCP MAC ARP MAC and the interconnection port, by learning the familiar address of the end interface, no need to ask for the address
  D. R1 R2 POS ARP MAC and the data of the interconnection port. The text does not need to be encapsulated in the Ethernet header.
  B. R1 R2 POS IPCP 32 and the interconnection port, learned the serial host route of the straight interface
  D. R1 R2 POS ARP MAC and the data of the interconnection port. The text does not need to be encapsulated in the Ethernet header.

• Question 89:

  Look at all the network devices on a network to check the information of the VPN ( ) detailed example. If the following is the case, which of the following methods is wrong? Multiple selection

  

  A. The number of instances of the enabled address cluster in the local configuration is VPN Ipv6 1 real.
  B. The book is assigned a label for each route of the VPN-instance vpna.
  C. VPN-Instance vpna RT 2:1 VPN will not receive the route
  D. GigabitEthernet1/0/0 interface has been added to the VPN-Instance vpna
  A. The number of instances of the enabled address cluster in the local configuration is VPN Ipv6 1 real.
  B. The book is assigned a label for each route of the VPN-instance vpna.

• Question 90:

  Which of the following certificate items does not contain the number?

  A. Public information key
  B. Digital envelope
  C. Number Name Signature
  D. Issuer
  B. Digital envelope