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Free HCIP-Datacom-Core Technology V1.0 Practice Questions

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Total Questions : 376

Start with our free H12-821_V1.0 practice questions, carefully crafted to mirror the domains, phrasing, and difficulty of the real HCIP-Datacom exam. Each H12-821_V1.0 exam question comes with a detailed rationale that explains not just which answer is correct but why the others fall short. That's how concepts stick. Use the free set to benchmark yourself: identify your Huawei weak domains, see where you're losing marks, and build a focused study plan in minutes.

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Question # 71

To enable PC1 to access PC2 using the IP address of the firewall ' s GE0/0/2, you need to configure NAPT for source address translation. In the following figure, fill in the blank to complete the command. Question # 71

Options:

Discussion 0
Question # 72

ASPF enables the firewall to support multi-channel protocols such as FTP and to define security policies for complex applications.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Question # 73

Which of the following statements is false about the session table mechanism on firewalls?

Options:

A.  

Generally, the default session aging time of the system can be used. To change the aging time, you need to estimate and determine the traffic type and number of connections on the network.

B.  

The fast session aging function also takes effect for persistent connection sessions.

C.  

A created session entry needs to be matched by packets constantly.

D.  

When stateful inspection is disabled, the firewall still creates session tables for non-first packets. This allows services to run properly without the need to enable the persistent connection function.

Discussion 0
Question # 74

STP ensures a loop-free network but has a slow network topology convergence speed, affecting communication quality. RSTP has made some improvements based on STP. Which of the following improvements is not included?

Options:

A.  

If a port does not receive configuration BPDUs from the upstream device within four Hello intervals, the switch considers that the negotiation with the neighbor fails.

B.  

The non-root switch running RSTP sends configuration BPDUs at the interval specified by the Hello timer, which is performed independently by each device.

C.  

RSTP reduces five port states to three port states based on user traffic forwarding and MAC address learning.

D.  

RSTP deletes three port states and adds two port roles.

Discussion 0
Question # 75

The Interface \P address and VRRP virtual IP address can be the same.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Question # 76

In addition to numerous normal service packets, the CPUs of devices on a network may also receive large numbers of attack packets. To ensure that the CPUs can properly respond to normal services, the devices provide the local attack defense function.

Which of the following statements are true about this function? (Select all that apply)

Options:

A.  

The device can schedule the protocol packets to be sent to the CPU in the attack defense policy based on the protocol priorities so that the packets with higher priorities are processed preferentially.

B.  

To ensure that session-based application-layer data runs properly during an attack, you can configure the dynamic link protection function.

C.  

Regardless of the packet type, the same rate limit must be set to reduce the number of packets sent to the CPU.

D.  

CPU attack defense can also take effect on the management interface of the device.

Discussion 0
Question # 77

After a BGP peer relationship is established between two ends, changing the router ID of one end resets the BGP peer relationship.

Options:

A.  

TRUE

B.  

FALSE

Discussion 0
Question # 78

Which of the following statements regarding the stateful inspection firewall is true?

Options:

A.  

When the stateful inspection firewall checks packets, packets of one same connection are not correlated.

B.  

Because UDP is a connectionless protocol, so the stateful inspection firewall cannot match UDP packets with the status table.

C.  

The stateful inspection firewall only needs to match the first data packet against a rule, and the subsequent packets of the connection are matched directly in the state table.

D.  

The stateful inspection firewall needs to match the rules for each incoming packet.

Discussion 0
Question # 79

On an office network of an enterprise, OSPF is enabled on two directly connected routers. During adjacency establishment, the state machine stays in the 2-way state. Which of the following statements are not possible causes?

Options:

A.  

Hello time values are different.

B.  

Area IDs are different.

C.  

Router IDs conflict.

D.  

The N-bit and E-bit of Hello packets are the same.

Discussion 0
Question # 80

A BGP device receives a route carrying an unknown attribute from a peer but does not know whether other devices need the attribute. In this case, the BGP device retains this attribute when advertising the route to other peers. Which of the following attributes is of this type?

Options:

A.  

Community

B.  

AS.Path

C.  

MED

D.  

OriginatorID

Discussion 0

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