H12-224 : HCNP-R&S Fast Track (Huawei Certified Network Professional – Routing & Switching Fast Track) : Part 31

H12-224 : HCNP-R&S Fast Track (Huawei Certified Network Professional – Routing & Switching Fast Track) : Part 31

1. Which types of interfaces are supported by Huawei switches after the VLAN function is configured? (Choose three.)

   • Access interface
   • Trunk interface
   • Hybrid interface
   • Dialer interface

2. The option field in a DHCP message uses the CLV mode.

   • TRUE 
   • FALSE

3. Which of the following statements about a multicast distribution tree are true? (Choose three.)

   • Multicast distribution trees are classified into two types: SPT and RPT.
   • The PIM-SM protocol can generate both RPTs and SPTs.
   • The PIM-SSM protocol can generate only SPTs.
   • The PIM-DM protocol can generate both RPTs and SPTs.

4. Which of the following routes matches this ACL filter?

   “acl number 2001

   rule 0 permit source 1.1.0.0 0″

   • 1.1.1.1/32
   • 1.1.1.0/24
   • 1.1.0.0/16 
   • 1.0.0.0/8

5. What does the IP-prefix-filter “ipip-prefix test index 10 deny 0.0.0.0 0 less-equal 32” mean?

   • Matching only default routes
   • Matching all routes
   • Denying only default routes
   • Denying all routes 

6. Which of the following statements is true regarding the function of VRRP?

   • VRRP can improve default gateway reliability. 
   • VRRP increases the routing protocol convergence speed.
   • VRRP is mainly used for traffic balance.
   • VRRP can provide one default gateway for different network segments, simplifying the PC gateway configuration.

7. Default routes between routers are a low-cost solution. This is because using default routes requires less system resources than maintaining a complete routing table.

   • True 
   • False

8. How many bits of the MAC address space is available for mapping IP multicast addresses?

   • 24 
   • 22
   • 25
   • 23

9. Which of the following commands is used to display the IGMP routing table?

   • Display igmp group
   • Display igmp interface
   • Display igmp routing-table 
   • Display igmp

10. For link-status routing protocols, filtering routes in the inbound direction actually cannot block the transmission of link-status information. The filtering effect is that routes cannot be injected into the local routing table but neighbors can still receive complete route status information and calculate complete routes.

    • True 
    • False

11. Which of the following is not supported by policy-based route for specifying the data forwarding path?

    • Source address
    • Port number 
    • Destination address
    • Packet length

12. Which of the following problems can be solved by IGMP Snooping?

    • Receiver hosts support only IGMPv2 but the SSM model is used on the network.
    • A large number of receiver hosts exist on the network and a router receives large quantities of IGMP Report messages.
    • Multicast data packets are broadcast on Layer 2 devices. 
    • Validity of IGMP Report messages.

13. What are the advantages of subnetting? (Choose two.)

    • Isolating broadcast traffic
    • Improving network Q0S
    • Increasing the IP address usage 
    • Improving network reliability

14. Which type of BGP route can be added to the BGP routing table?

    • All BGP routes learned from peers 
    • Only the routes learned from IBGP peers
    • Only the routes learned from EBGP peers
    • Only optimal routes

15. On a STP network, which of the following BPDUs are sent during flooding of information throughout the network due to STP topology change?

    • BPDUs with the TCN flag
    • BPDUs with the TCA flag
    • BPDUs with the TC flag
    • All of the above 

16. Which of the following multicast protocols can generate multicast distribution trees?

    • MBGP
    • MSDP
    • IGMP
    • PIM

17. When an edge port is in the protected state on an RSTP network, which of the following operations is performed by the edge port immediately after receiving BPDUs?

    • The edge port forwards BPDUs.
    • The edge port discards BPDUs.
    • The edge port is shut down. 
    • The edge port obtains required information from BPDUs.

18. Which of the following statements about DR are true? (Choose three.)

    • In DR election, among the routers of the same DR priority, the router with the lowest IP address is elected.
    • A source’s DR is responsible for sending Register messages to an RP.
    • A receiver’s DR is responsible for sending Join messages to a multicast source or an RP.
    • An Assert winner on a shared network segment may not be a DR.

19. How many multicast IP addresses can be represented by an IP multicast MAC address?

    • 1
    • 23
    • 32
    • 24

20. A VLAN can be regarded as a ( )

    • collision domain
    • broadcast domain 
    • management domain
    • congestion domain