H12-811 Online Practice Questions and Answers

The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is wrong? () (Single-choice question)

A. The port type is Hybrid

B. If the VLAN TAG carried in the data frame is 200, the switch will strip off the VLAN TAG and send it out

C. If the port receives a data frame without VLAN TAG, the switch needs to add VLAN TAG100

D. If the VLAN TAG carried in the data frame is 100, the switch will strip off the VLAN TAG and send it out

The network is shown in the figure. Which router is the BDR in this network? () (Single- choice question)

A. No BDR

B. Router C

C. Router A

IP route--statiC.10.0.12.0255.255.255.0192.168.1.1 About this command description is correct ()

A. This command configures a route to the 10.0.12.0 network

B. The priority of this route is 100

C. If the router learns a router with the same destination network as this route through other protocols, the router will prefer this route

D. This command configures a route to the 192.168.1.1 network

If the value of the ypeLength field of an Ethernet data frame is 0x0800, the length of the upper layer message header carried by this data frame is in the range of 20-60() A. True

B. False

What is the value of TPIdefined by IEEE802.1Q? ()

A. 0x7200

B. 0x8100

C. 0x9100

Trunk ports can allow multiple VLANs to pass, including VLAN4096. ()

A. True

B. False

Which of the following protocols consist of the PPP agreement? ()*

A. NCP

B. PPPOE

C. Authentication protocol

D. LCP

What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses? ()*

A. Heavy workload and difficult to manage

B. can be realized IP address reuse

C. avoid IP address conflict

D. When the configuration information changes (such as DNS), only the administrator needs to modify it on the DHCP server, which is convenient for unified management

Which of the following statements about IPv6 anycast addresses are correct? ()*

A. Anycast address and unicast address use the same address space

B. Provide additional functions for the service

C. The packet whose destination address is the anycast address will be sent to the nearest network interface in the sense of routing

D. Realize service load sharing

Which of the following port status may exist on an STP-enabled switch? Select 1

A. Forwarding

B. Listening

C. Discarding

D. Disabled