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HCIA-Datacom V1.0 Exam Questions and Answers

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Viewing questions 81-90 out of questions

Questions # 81:

You can run the user-interface maximum-vty command to configure the maximum number of users who can log in to the device through Telnet simultaneously.

Options:

TRUE

FALSE

Answer

Explanation

Comprehensive Explanation: The user-interface maximum-vty command is used on Huawei devices to configure the maximum number of simultaneous VTY (Virtual Terminal Line) users who can log in via Telnet. By limiting the number of VTY sessions, the administrator can control how many users are able to access the device at the same time, preventing excessive connections that may overwhelm the device or reduce security.

Questions # 82:

Which of the following planes does a network device have?

Options:

Control plane

Management plane

Data plane

Service plane

Answer

A, B, C

Questions # 83:

(Each network device running SNMP runs an agent process locally.)

Options:

TRUE

FALSE

Answer

Explanation

SNMP Agent Functionality:Each network device running SNMP includes an agent process that collects and manages information about the device's operations. This process interfaces with the SNMP manager to provide network monitoring and management capabilities.

Questions # 84:

Which of the following IEEE 802.11 standards supports a theoretical negotiated rate of 5 Gbit/s or higher?

Options:

802.11a

802.11ax

802.11n

802.11b

Answer

Explanation

Detailed Explanation:The 802.11ax standard, also known as Wi-Fi 6, supports theoretical speeds over 5 Gbit/s and is designed for high-efficiency wireless networking in dense environments. (Reference: HCIA-WLAN Training Material, IEEE 802.11 Standards)

Questions # 85:

Which of the following OSPF versions is specific to IPv6?

Options:

OSPFv4

OSPFv1

OSPFv2

OSPFv3

Answer

Explanation

OSPFv1 (B): Was an experimental version, not widely used.

OSPFv2 (C): Used for IPv4 networks, does not support IPv6.

OSPFv3 (D): Specifically designed for IPv6 networks and includes additional features like security and address scope handling.

OSPFv4 (A): This version does not exist.

Thus, the correct answer is D (OSPFv3).

[Reference: HCIA-Datacom Study Guide, OSPF for IPv6 Section., , , , ]

Questions # 86:

When an AP and an AC are located on different Layer 3 networks, which of the following methods is recommended for the AP when discovering the AC?

Options:

Broadcast

DHCP

Manually specified on the AP

DNS

Answer

Questions # 87:

A switch receives a unicast data frame with a VLAN tag but cannot find the destination MAC address of the data frame in its MAC address table. In this case, which action will the switch take?

Options:

The switch broadcasts the data frame on all interfaces.

The switch broadcasts the data frame on all interfaces (except that on which it was received) in the VLAN to which the data frame belongs.

The switch discards the data frame.

The switch broadcasts the data frame on all access interfaces.

Answer

Explanation

Switch Forwarding Behavior:

If the destination MAC is not found in the MAC address table, the switch floods the frame.

Broadcasting Within VLANs:

VLAN tagging ensures the frame remains within its designated VLAN.

The frame is not sent to all interfaces but only within the VLAN.

Why Other Options Are Incorrect:

A: Does not consider VLAN segmentation.

C: Switches do not discard unknown unicast frames unless configured to do so.

D: Includes access interfaces only, but flooding happens on all VLAN interfaces.

Conclusion:

The switch floods the frame within the VLAN, making the correct answer B.

References: HCIA-Datacom V1.0 Certification Guide, Chapter 4: Switch Forwarding Mechanisms.

Questions # 88:

Which of the following is the full name of VRP?

Options:

Virtual Routing Platform

Versatile Routing Platform

Versatile Redundancy Platform

Versatile Routing Protocol

Answer

Questions # 89:

(Refer to the display startup command output shown in the figure on an AR2200 router. Which of the following statements about the command output is false?)

display startup

MainBoard:

Startup system software: sdl:/ar2220-v200r003c00spc200.cc

Next startup system software: sdl:/ar222b-v200r003c00spc200.cc

Backup system software for next startup: null

Startup saved-configuration file: null

Next startup saved-configuration file: null

Startup license file: null

Next startup license file: null

Startup patch package: null

Next startup patch package: null

Startup voice-files: null

Next startup voice-files: null

Options:

The system file for next startup cannot be modified.

The startup system software command can be used to modify the system software for next startup.

The running configuration file is not saved.

The system file used for the current startup is ar2220-v200r003c00spc200.cc.

Answer

Explanation

Command Output Overview:

The command display startup is used to check the configuration of the startup system software, configuration files, license files, and other related settings on Huawei routers. The output in this case provides details about:

The current system software (ar2220-v200r003c00spc200.cc).

The next startup system software (ar222b-v200r003c00spc200.cc).

Backup and saved configuration files, which are not defined (null).

Analysis of Options:

Option A: "The system file for next startup cannot be modified."This statement is false because the system file for the next startup can be modified using the startup system-software command. The file path for the next startup system software (ar222b-v200r003c00spc200.cc) indicates that it has been configured and can be changed by the administrator. The command syntax is supported as per Huawei's documentation.

Option B: "The startup system software command can be used to modify the system software for next startup."This is true and matches the functionality provided by Huawei's routers. The command allows administrators to specify the software package to be used at the next system reboot.

Option C: "The running configuration file is not saved."This is true as the Startup saved-configuration file is listed as null, meaning that no configuration file has been saved for startup. Saving the running configuration is necessary to ensure settings persist after a reboot.

Option D: "The system file used for the current startup is ar2220-v200r003c00spc200.cc."This is true as per the output under Startup system software, which confirms the system file used in the current boot process.

Correct Statement Selection:Based on the analysis, the statement "The system file for next startup cannot be modified" is false. This matches the system's behavior, where administrators are allowed to modify the next startup file using relevant commands.

References:

Huawei HCIA-Datacom V1.0 Training Material and Lab Guide.

Command-line operations from Huawei routers, as documented in the training materials and lab environments.

Questions # 90:

When the "delete vrpcfg.zip" command is run on the Huawei VRP user interface, the file can be permanently deleted only after it is cleared from the recycle bin.