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Huawei HCIE-Datacom V1.0 Sample Questions:

1. The multicast protocol that can generate multicast distribution trees is?

A) BGP
B) IGMPv2
C) PIMV2
D) OSPF

2. The following statement about IPSG technology is correct (single choice).

A) The ip source checkuser-bind check-item command is used to configure VLAN- or interface-based IP packet checks, which take effect for both dynamic and static table entries.
B) On Huawei routers, ipSG functions can be configured in Vlanif.
C) If an interface is configured as the OKCP Scooing Tust interface, the interface can normally receive DHCP ACK and DHCPNAK responded to by the OHHNP server and DHCPOffer packets, other untrusted ports cannot receive these packets properly.
D) The IPSG can perform binding table match checks on IP packets entering and leaving the interface.

3. Regarding the mpLS handling mode of TTL, is the following description correct?

A) The TTL in the MPLS label has the same meaning as the TTL field in the head. TTL prevents mpLS networks from developing bad routing.
B) Pipe mode. When an IP message passes through the MPLS network, the IPTTL minus 1 is mapped to the WLSTTL field at the incoming node.
C) Unifore style, when an IP packet passes through the MPLS network, the IPTTL of the incoming node is minus l. The MPLS TTL field is a fixed value.
D) In MPLSVPI, if you need to hide the structure of the MPLS backbone network, you can use Uniform mode on Ingress for private network messages.

4. Which of the following options is correct?

A) Multicast technology is used for "-to-many" applications
B) Multicast technology is able to reduce redundant traffic, so network bandwidth can be saved
C) Since multicast is based on TCP to establish a connection, multicast technology can ensure the reliable transmission of data
D) Unicast and broadcasting cannot effectively achieve data transmission between one source and multiple destinations on P2MP, but multicast technology can

5. The following description of the TTL in the MPLS Header is correct:

A) Limit LSR
B) A TTL that acts like an IP header and is used to prevent message loops
C) To control label distribution
D) Control of upstream devices for label distribution

Solutions: