H12-811_V2.0-ENU Exam Preparation Material | HCIA-Datacom V2.0

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Prepare for the H12-811_V2.0-ENU HCIA-Datacom V2.0 exam with CertQueen's independently developed study resources. Review important concepts, practice scenario-based questions, and use clear explanations to identify areas that require further study.

Question#1

Four links between two switches establish an Eth-Trunk in manual mode, and the bandwidth of each link is 1 Gbit/s. One of the links fails.
Which of the following statements are true about this scenario? (Select all that apply)

A. The Eth-Trunk interfaces on the switches are still in the Up state.
B. The available link bandwidth between the switches is 3 Gbit/s.
C. The service traffic originally carried by the faulty link stops being forwarded by the switches until the faulty link recovers.
D. All TCP sessions established over the Eth-Trunk are immediately interrupted and re-established.

Explanation:
In an Eth-Trunk working in manual mode, multiple physical member links are bundled into one logical interface to provide higher bandwidth and link redundancy. If one of four 1 Gbit/s member links fails, the Eth-Trunk does not go down as long as at least one valid member link remains active. Therefore, statement A is correct. Since one link has failed and three member links remain available, the total available bandwidth becomes 3 Gbit/s, so statement B is also correct.
Statement C is incorrect because the traffic originally hashed to the failed link is not permanently stopped. Instead, after the link failure is detected, traffic is redistributed across the remaining active member links according to the trunk load-balancing mechanism. Statement D is also incorrect because Eth-Trunk provides link-level redundancy. Existing upper-layer sessions such as TCP are not necessarily interrupted and re-established simply because one member link fails. HCIA-Datacom emphasizes that Eth-Trunk improves reliability and bandwidth utilization by allowing traffic to continue across surviving links when a single member fails. This is one of the main advantages of link aggregation in campus and data center switching networks.

Question#2

R1 has the shown time-range ACL configuration. Under this rule, hosts sourced from 192.168.1.0/24 match the rule from 08:00 through 18:00 on working days.

A. True
B. False

Question#3

1.NAPT and Easy IP translate both IP addresses and port numbers to allow multiple private IP addresses to share multiple public IP addresses.

A. TRUE
B. FALSE

Question#4

R1 has the following configurations:
[R1] nat address-group test 1
[R1-address-group-test] section 1 100.1.23.1 100.1.23.254
[R1-address-group-test] mode pat
[R1-address-group-test] quit
[R1] nat-policy
[R1-policy-nat] rule name test
[R1-policy-nat-rule-test] source-address range 192.168.0.0 192.168.255.255
[R1-policy-nat-rule-test] action source-nat address-group test
[R1-policy-nat-rule-test] quit
[R1-policy-nat] quit
[R1] interface GE 0/0/2
[R1-GE0/0/2] nat enable
[R1-GE0/0/2] quit
Which of the following statements is false?

A. The intranet user with the IP address 192.168.1.100 can access the public network.
B. If data packets from intranet users are not sent through GE0/0/2 of R1, the users may fail to access the public network.
C. An intranet user's post-NAT IP address may be 100.1.23.254.
D. The post-NAT IP addresses of intranet users with different IP addresses must be different.

Question#5

The following ACL rule is configured on R1, but the service module has not invoked the rule:
[R1] acl number 2001
[R1-acl4-basic-2001] rule permit source 172.16.105.0 0.0.0.255
[R1-acl4-basic-2001] rule deny source any
[R1-acl4-basic-2001] quit
By default, R1 allows only hosts on 172.16.105.0/24 to access R1.

A. TRUE
B. FALSE

Exam Code: H12-811_V2.0-ENU
Q & A: 221 Q&As         Updated:  Oct 21,2026

 

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Exam Code: H12-811_V2.0-ENU
Q & A: 221 Q&As
Updated:  Oct 21,2026

 

 Access Complete H12-811_V2.0-ENU Preparation Material