최신Huawei HCIP-Datacom - H12-831-ENU무료샘플문제

A. DSCP IP Precedence information of IP packets can be marked

B. The 802.1Q information of Vlan packets can be marked

C. The MAC of the message can be marked

D. The QoS information field of the packet can be marked

A. TRUE

B. FALSE

A. 0

B. 10

C. 20

D. 15

A. Use the ipconfig\/renew command to apply for a new IP address in the Windows7 Windows XP environment of the user's PC. At this time, the user's PC sends a DHCP RENEW message to the DHCP server.

B. In the Winiows7 Wndows XP environment of the user's PC, use the ipconfig\/release command to actively release the IP address. At this time, the user's PC sends a DHCP RELEASE message to the DHCP server.

C. In the Windows 7 Window XP environment of the user PC, use the iconfig\/renew command to actively apply for a new IP address. At this time, the user PC sends a DHCP DISCOVER message to the DHCP server.

D. In the Windows 7 Wndows XP environment of the user PC, use the ipconfg\/release command to actively release the IP address. At this time, the user PC sends a DHCP REQUEST message to the DHCP server.

A. The label is a fixed-length identifier with only local significance, which is used to uniquely identify the FEC to which a packet belongs

B. The MPLS system has multiple label distribution protocols, such as LDP, which is a label distribution protocol.

C. The label is carried by the header of the MPLS packet and has global significance, that is, the label value of all routers cannot be repeated

D. MPLS supports single-layer labels as well as multi-layer labels

A. Messages sent and received by the port

B. Packets accepted by the interface

C. The message sent by the end

D. Packets discarded by the port

A. Install new equipment and configure

B. After ensuring that the business of the new equipment runs normally, the old equipment goes offline

C. Perform service checks on new equipment

D. After the cutover is completed, observe the status of the network on the new device

E. Cut over business from old equipment to new equipment

A. NQA

B. BFD

C. IP-link

D. Interface track

A. Sub-VLAN is used to isolate broadcast domains

B. Sub-VLAN contains physical interface. Layer 3 VLANIF interface can be established

C. A Super-VLAN can contain one or more Sub-VLANs

D. Super-VLAN contains only physical interfaces, and does not establish a Layer 3 VLANIF interface

A. display dhcp relay staitstics

B. display dhcp server statistics

C. display dhcp

D. display dhcp statistics

A. Directly build an alternative network environment without notifying customers

B. Always try to troubleshoot without informing the user of the current difficulty of the failure

C. Communicate with users whether it is possible to skip the faulty node and build an alternative network environment

D. Tell the user that this is not possible

A. 10.0.1.0/24

B. 10.0.2.0/24

C. 10.0.0.0/24

D. 10.0.0.1/32