A DHCP server is deployed on the network, but the administrator finds that some hosts have not correctly obtained the addresses specified by the DHCP server. What are the possible reasons?(Multiple Choice Questions)

The address pool of the DHCP server has all been allocated

Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically generate addresses in the range of 169.2540.0

There is another DHCP server that works more efficiently in the network

Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically generate addresses in the range of 127.254.0.0

The following description of static and dynamic routing is wrong ().

After the link fails, the static route can automatically complete the network convergence.

Dynamic routing protocols take up more system resources than static routing protocols.

After the link fails, the static route can automatically complete the network convergence.

After the administrator deploys the dynamic routing protocol in the corporate network, later maintenance and expansion can be more convenient

Static routing is easy to configure and easy to manage when applied in the enterprise

Which of the following statements are correct for the MAC address of the existing switch? ()

MAC. The address 5489-9811-0b49 is manually configured by the administrator

MAC. The address 5489-9885-18a8 is manually configured by the administrator

MAC. The address 5489-9811-0b49 is manually configured by the administrator

MAC. Address 5489-989d-1d30 is manually configured by the administrator

After the switch restarts, all MAC addresses need to be re-learned

When the Access type port sends a message, it will ().

Strip the VLAN information of the message, and then send it out

Add the VLAN information of the message, and then send it out

Strip the VLAN information of the message, and then send it out

Type the PVID. information of this port, and then send it out

In the MAC address table of the switch, which of the following entries will not age?

Dynamic MAC address table entry

Which of the following descriptions about the switch is wrong?

The switch is generally used as the export equipment of the network

Switches generally work at the data link layer

The switch can complete the exchange of data frames

The switch can provide network access services for terminal devices (PC/server)

Which stage in the life cycle of campus network construction is the beginning of a project? ()

Network operation and maintenance

In the OSPF protocol, which of the following descriptions of DR is correct? ()

DThe adjacency relationship should also be established between R and BDR

If the priority values of the two routers are equal, the router with the larger Router ID is selected as the DR

By default, all routers in this broadcast network will participate in the DR election

If the priority values of the two routers are different, the router with the lower priority is selected as the DR

DThe adjacency relationship should also be established between R and BDR

Huawei H12-811_V1.0 Practice Test 4 - Free Online Exam Prep & Questions

The Hybri D port can be connected to the user host or other switches. ()

True

False

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