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Questions and Answers
If there is no configuration file in the default storage path, what will the router use for initialization?
Which WLAN security policies support the link authentication method of Open mode? (Multiple Choice)
Any link layer protocol requires ARP messages to assist in obtaining data link layer identification.
False
The Backup ports in RSTP may alternatively fail root port.
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If the transport layer protocol is UDP, the value of the network layer Protocol field is 6.
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Which of the following statements is correct? (Multiple Choice)
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What is the main function of the DHCP DISCOVER message?
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OSPF will automatically elect one DR and multiple BDRs to achieve better backup results.
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Which of the following two interfaces can achieve link aggregation?
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If a user needs to be authenticated in the authentication domain 'huawei', what will be used?
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For multiple paths to the same destination network, if the Preference is the same, select according to the magnitude of the Cost value.
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UDP cannot guarantee the reliability of data transmission, and does not provide functions such as message sequencing and flow control.
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Telnetlib is a module that implements the Telnet protocol that comes with Python.
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Every time an IP packet passes through a router, its TTL value will be reduced by 1.
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If the switch receives a unicast data frame and the destination MAC is in the MAC table, what will happen next?
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Study Notes
HCIA-Datacom Exam Overview
- Exam Code: H12-811-ENU
- Exam Name: HCIA-Datacom V1.0
- Certification Provider: Huawei
- Version: v2024-02-23
- Notable Statistics: 131 views, 1430 questions viewed
Router Initialization
- When powered on, the router reads the configuration file from the default storage path.
- If no configuration file is present, the router initializes using default parameters.
WLAN Security Policies
- Open mode link authentication supports:
- WEP
- WPA2-802.1X
- WPA
- WPA2-PSK is not supported.
ARP Message Characteristics
- ARP replies are sent as unicast packets.
- ARP packets cannot be forwarded across broadcast domains.
- ARP requests are sent via broadcast.
RSTP Backup Ports
- Backup ports in RSTP cannot serve as root ports.
UDP Protocol Characteristics
- UDP is identified with a protocol value of 17, not 6.
Switch Configuration and Host Communication
- PVID of GigabitEthernet0/0/1 port is 20.
- Data frames on the two links do not contain VLAN TAG.
- Host A and Host B cannot communicate via ping.
DHCP DISCOVER Message Purpose
- The DHCP DISCOVER message is used by the client to locate a DHCP server.
OSPF Configuration in a Broadcast Network
- In a broadcast OSPF network, only one DR and one BDR are elected for efficient management.
Link Aggregation
- G0/0/3 and G0/0/1 interfaces can achieve link aggregation.
Authentication on Huawei Routers
- Authentication mechanism defaults to au1 unless deleted; then, au2 will be used.
Route Preference and Path Selection
- Route preference values are compared for path selection to the same destination.
- If preferences match, route selection is based on the cost value.
UDP Reliability
- UDP does not ensure reliable data transmission and does not feature sequencing or flow control.
- It is ideal for low-reliability but high-speed and low-delay transmission needs.
Telnetlib Module in Python
- Telnetlib is a built-in Python module for implementing the Telnet protocol.
TTL Field in IP Packet Header
- TTL (Time to Live) specifies the maximum number of hops a packet can make before being discarded.
- TTL value diminishes by 1 with each router passage.
Unicast Frame Forwarding
- A switch forwards unicast data frames based on the destination MAC address found in its MAC table.
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Description
Prepare for the Huawei HCIA-Datacom V1.0 certification with this comprehensive quiz based on the H12-811-ENU exam code. This quiz includes various practice questions to test your knowledge and readiness for the certification. Stay ahead in your networking career by mastering the essential concepts.
