Huawei H12-811_V1.0 HCIA-Datacom V1.0 Exam Practice Test

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Total 304 questions
Question 1

Fit APs can work independently of an AC.



Answer : B


Question 2

The following figure shows the display stp command output on an STP-enabled port --- Ethernet 0/0/1. Which of the following statements about the command output is false?



Answer : A

Understanding Timers:

Forward Delay Timer: Default value is 15 seconds, not 20 seconds.

Max Age Timer: Default value is 20 seconds.

Hello Timer: The default interval is 2 seconds for BPDU transmission.

Switch Role:

The output indicates that the switch is not the root bridge, confirming option D is correct.

Conclusion:

Statement A is incorrect as the Forward Delay timer is not 20 seconds.


Question 3

A router in the backbone area has complete LSDBs of routers in other areas.



Answer : A

In OSPF, a router in the backbone area (Area 0) has a full LSDB (Link-State Database) for all routers within the OSPF domain. This comprehensive LSDB allows the backbone area to communicate effectively with other areas by providing routing information about all connected OSPF routers, facilitating inter-area routing.


Question 4

The data link layer uses PPP encapsulation. The IP addresses of the two ends of the link can be in different network segments.



Answer : A

PPP (Point-to-Point Protocol) is versatile and allows IP addresses on each end of a link to belong to different subnets. This capability supports flexible WAN (Wide Area Network) connections where different subnet addressing schemes may be required. This flexibility is part of PPP's design, allowing it to function effectively over varied network architectures.


Question 5

When a host uses the stateless address autoconfiguration solution to obtain an IPv6 address, the host cannot obtain the DNS server address.



Answer : A

Stateless Address Autoconfiguration (SLAAC) allows IPv6 hosts to generate their own IP addresses but does not include DNS server information. DHCPv6 is typically required for DNS configuration. (Reference: HCIA-Datacom Training Material, IPv6 SLAAC and DNS)


Question 6

What is the main function of the DNS protocol?



Answer : C

DNS (Domain Name System) is responsible for translating human-readable domain names (like www.example.com) into IP addresses, enabling devices to locate services on a network. (Reference: HCIA-Datacom Training Material, DNS Function and Protocol Overview)


Question 7

In the case of Huawei routers, what is the "-i" parameter in a Ping command issued on a VRP operating system used to set?



Answer : C

Comprehensive Explanation= The '-i' parameter in the Ping command on Huawei VRP (Versatile Routing Platform) is used to specify the source IP address for sending an Echo Request (ping) packet. This is useful in cases where the router has multiple interfaces and you want to control which interface is used to initiate the ping. By defining the source IP address, the ping request can be sent from a specific interface on the router, enabling network administrators to test connectivity from that interface.


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Total 304 questions