H12-211 Online Practice Questions and Answers

A DHCP server in the enterprise network is being used to allocated IP addresses to hosts. An administrator discovers however that some hosts are obtaining IP addresses outside of the scope of the DHCP server's address pool. What are the possible reasons for this? (Choose three).

A. Another DHCP server exists in the network and is allocating IP addresses to hosts that happen to be within a closer proximity than the authorized DHCP server

B. The hosts were unable to discover a DHCP server and therefore generated their own address in the

169.254.0.0 address range.

C. The hosts were unable to discover a DHCP server and therefore generated their own address in the

127.254.0.0 address range.

D. All addresses from the DHCP pool have been assigned

The Eth-Trunk frame forwarding mechanism used to prevent changes in the data sequence forwards frames based on which of the following parameters?

A. The same source or destination IP address

B. The same source or destination MAC address.

C. The same protocol type.

D. The same source or destination port number.

Which of the following statements regarding link-state database and routing-table of a "single" OSPF area are correct? (Choose two)

A. The link-state databases that all routers build are identical.

B. The link-state databases that all routers build are different.

C. The routing-tables that all routers calculate are different.

D. The routing-tables that all routers calculate are identical.

The correct statement about inter-VLAN communication is (). (multiple choice)

A. Inter-VLAN communication can be achieved by one-arm routing

B. Inter-VLAN communication can be realized through a three-layer switch

C. Inter-VLAN communication cannot be implemented through a Layer 2 switch.

D. Inter-VLAN communication can be realized by GVRP

E. Inter-VLAN communication must rely on routers to achieve

In the following description of eSight, the error is ().

A. eSight can be used to monitor and manage enterprise networks

B. eSight can only manage Huawei network devices.

C. eSight supports WLAN device management and hotspot coverage monitoring

D. eSight supports configuration file backup and traffic analysis.

According to the figure, which of the following statements is true?

A. Host A and Host B can communicate with each other only when the IP addresses of host A and host B have the same masks.

B. Host A can successfully ping host B.

C. The IP address mask of Host A is different from that of Host B. Therefore, Host A and Host B cannot communicate with each other.

D. The broadcast addresses of Host A and Host B are the same.

In RSTP mode, both alternate and backup ports cannot forward user traffic but can receive, process, and send BPDU.

A. True

B. False

If a network's address is 192.168.1.0, the broadcast address of the network is 192.168.1.255.

A. True

B. False

VLSM can expand any IP network segment, including Class D addresses.

A. TRUE

B. FALSE

During STP calculation, the port cost is associated with port bandwidth. Which of the following statements about the relation between port cost and port bandwidth is true?

A. Port cost decreases when port bandwidth increases.

B. Port cost increases when port bandwidth increases.

C. Port cost is consistent with port bandwidth.

D. Port cost varies randomly according to port bandwidth.