Huawei H12-261 Online Practice Questions and Exam Preparation

Huawei H12-261 Online Questions & Answers

• Question 141:

  Which of the following attacks belong to the DoS (Denial of Service) attack?

  A. Single attack package attack
  B. Source address bullying IP scam
  C. Chinese attack
  D. Flood attack
  B. Source address bullying IP scam
  D. Flood attack

• Question 142:

  Which of following statements regarding VRRP groups in load balancing mode are true?

  A. Hosts in the same LAN need to be configured with different virtual routers as their default gateways
  B. At least two virtual routers need to provide forwarding services simultaneously
  C. When configuring the priority, ensure that the same router functions as the master device for three VRRP groups
  D. Multiple VRRP groups can be created on an interface of a router. The router functions as a master device of a VRRP group or a backup device of other VRRP groups
  A. Hosts in the same LAN need to be configured with different virtual routers as their default gateways
  B. At least two virtual routers need to provide forwarding services simultaneously
  D. Multiple VRRP groups can be created on an interface of a router. The router functions as a master device of a VRRP group or a backup device of other VRRP groups

• Question 143:

  Typically, users within a VPN only communicate with other users in the same VPN. They cannot communicate with users on the Internet or access the Internet. Many VPN sites, however, may need to access the Internet. Which of the following statements regarding interconnection between the VPN and the Internet are true?

  A. The interconnection between the VPN and the Internet can be implemented on the PE. However, the implementation is complex and may bring security risks. The PE is vulnerable to DoS attacks from the Internet.
  B. Directly connect the CE to the Internet on the user side. Each user site can independently access the Internet. That is, a default route destined for the Internet is configured on the CE of each site.
  C. Configure the PE to send a default route destined for the Internet to the CE, and add a default route destined for the Internet gateway to the VPN instance routing table.
  D. Isolating public network routes and VPN routes on the user side is simple, secure, and reliable.
  A. The interconnection between the VPN and the Internet can be implemented on the PE. However, the implementation is complex and may bring security risks. The PE is vulnerable to DoS attacks from the Internet.
  C. Configure the PE to send a default route destined for the Internet to the CE, and add a default route destined for the Internet gateway to the VPN instance routing table.
  D. Isolating public network routes and VPN routes on the user side is simple, secure, and reliable.

• Question 144:

  On router HW1, you want to view the status of a frame relay connection. Which "display" commands will show the status of a Frame-Relay PVC? (Multiple choice)

  A. display frame relay interface
  B. display frame relay pvc
  C. display fr lmi-info
  D. display fr map-info interface Serial 0/0/0
  E. display fr interface Serial 0/0/0
  F. display fr inarp-info
  D. display fr map-info interface Serial 0/0/0
  E. display fr interface Serial 0/0/0

• Question 145:

  Each DD packet has a DD sequence number for packet acknowledgment. A DD sequence number is two-bytes long.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 146:

  When router R1 runs OSPF and the display ip routing-table command is executed on R1 to check the routing table, Which of the following statements regarding OSPF information in the routing table is true?

  A. In the routing table, the routing entries identified by the O_ASE identifier can be learned only through route import.
  B. In the routing table, the routing entries identified by the OSPF identifier can be learned through Type 1/2/3/5 LSAs.
  C. In the routing table, the routing entries marked OSPF can be learned only through Type 1 LSAs.
  D. In the routing table, the routing entries identified by the OSPF identifier can be learned only through Type 3 LSAs.
  B. In the routing table, the routing entries identified by the OSPF identifier can be learned through Type 1/2/3/5 LSAs.

• Question 147:

  Which of the following statements regarding the processing of BPDUs in 802.1w and 802.1D is true?

  A. In 802.1D, the bridge only forwards the BPDUs received from the root bridge
  B. In 802.1w, the bridge only forwards the BPDUs received from the root bridge
  C. In 802.1D, the bridge does not forward BPDUs
  D. In 802.1w, the bridge does not forward BPDUs
  B. In 802.1w, the bridge only forwards the BPDUs received from the root bridge

• Question 148:

  On a Huawei device, when an external route is imported to IS-IS and the tag of the external route is set, the IS-IS metric type does not need to be changed, and the default style is retained.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 149:

  If a router receives a BGP route carrying the no-export community attribute, which of the following actions does the router take?

  A. Does not advertise the route to other BGP routers
  B. Discards the route directly
  C. Advertises the route to IBGP peers only
  D. Advertises the route normally, but does not use it to forward data
  C. Advertises the route to IBGP peers only

• Question 150:

  Which of the following statements regarding ISIS route leaking are true?

  A. IS-15 route leaking can be configured in IPv6 environments.
  B. In IS-IS route leaking, the routes to be leaked cannot be summary routes.
  C. IS-IS route leaking will not cause neighbor flapping.
  D. IS-15 route leaking is used to prevent route loops.
  E. IS-IS route leaking can be configured on Level-1 routers.
  D. IS-15 route leaking is used to prevent route loops.