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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | Huawei Certified ICT Associate - Datacom V2.0 |
| Exam Number: | H12-811_V2.0 |
| Available Languages: | English, Chinese |
| Certificate Validity Period: | 3 years |
| Exam Format: | Single choice, Multiple choice |
| Real Exam Qty: | 60-70 |
| Exam Duration: | 90 minutes |
| Passing Score: | 600/1000 |
| Exam Price: | $200 USD (varies by region) |
| Related Certifications: | HCIE-Datacom HCIP-Datacom |
| Recommended Training: | Huawei Learning Platform Huawei HCIA-Datacom Training Resources |
| Exam Registration: | Pearson VUE Huawei Exams Huawei Talent Certification Portal |
| Sample Questions: | Huawei H12-811_V2.0 Sample Questions |
| Exam Way: | Online proctored or authorized test center (Pearson VUE) |
| Pre Condition: | No strict prerequisites required; basic networking knowledge recommended |
| Official Syllabus URL: | https://e.huawei.com/en/talent/ |
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問題 #63
Which of the following DHCPv4 messages are sent by a DHCPv4 server?
答案：C,D
問題 #64
The following ACL rule is configured on R1:
[R1] time-range working-time 8:00 to 18:00 working-day
[R1] acl name work-acl basic
[R1-acl4-basic-work-acl] rule deny source 192.168.1.0 0.0.0.255 time-range working-time
[R1-acl4-basic-work-acl] quit
According to the rule, hosts with source IP addresses on network segment 192.168.1.0/24 match the rule from
8:00 to 18:00 on workdays.
答案：A
解題說明：
The configuration first defines a named time range, working-time, covering 08:00 through 18:00 on working days. It then creates a named basic ACL and applies a deny rule for source network 192.168.1.0/24 using wildcard mask 0.0.0.255, with the rule tied to that time range. A packet from any address in 192.168.1.0 through 192.168.1.255 satisfies the source-address portion of the rule. The time-range condition means the rule is active only during the defined working-time period on the device. Outside that period, this particular rule is not considered a match. A basic ACL is appropriate here because the match depends on source IPv4 address and time, both of which are supported basic-ACL conditions. Whether traffic is ultimately permitted or denied also depends on where the ACL is applied and on any other ACL rules, but the question asks only whether the specified source addresses match this rule during the stated working hours. They do. Therefore, the statement is TRUE and option A is correct.
問題 #65
The following ACL is configured on R1:
[R1] acl 2001
[R1-acl4-bask-2001] rule permit source 192.168.1.3 0
[R1-acl4-bask-2001] rule deny source 192.168.1.3 0
[R1-acl4-bask-2001] quit
If R1 matches packets against ACL rules in ascending order of rule IDs, hosts at 192.168.1.3/24 match the permit rule of the ACL.
答案：B
解題說明：
ACL rules are matched strictly in ascending order of rule IDs. However, in this ACL, rule 10 (deny) comes before rule 5 (permit) because rule IDs are not necessarily evaluated by statement order unless explicitly defined otherwise in behavior. Since rule IDs define processing order, the deny rule for 192.168.1.3 is evaluated first and matches the traffic, blocking it before it can reach the permit rule. Therefore, hosts at 192.168.1.3/24 do not match the permit rule, making the statement false.
問題 #66
Which of the following statements are true about ACL rules? (Select all that apply)
答案：B,C,D
解題說明：
The HCIA-Datacom V2.0 Training Material explains that ACLs classify packets using configured matching rules.
Option A is incorrect because different service modules may process ACL matching results differently.
Option B is correct. ACL matching produces positive-match or negative-match results. A positive match occurs when a packet matches a configured rule, whereas a negative match occurs when no applicable rule matches.
Option C is correct because the final traffic-processing action depends on the ACL rule and the service module applying the ACL. A permit or deny match does not independently determine all service behavior.
Option D is also correct. Huawei ACL matching normally follows the first-match principle, meaning that matching stops when the first applicable rule is found.
Therefore, the correct answers are B, C, and D.
問題 #67
In an IPv6 address, two or more consecutive groups of 0s can be compressed using a double colon (::), reducing the overall length of the address. For example, 2001:DBFF:130F:0:0:0:0:130B can be compressed to
2001:DBFF:130F::130B.
答案：A
解題說明：
IPv6 text representation permits zero compression to make long addresses easier to read and write. One or more consecutive 16-bit groups containing only zeros can be replaced by a double colon, subject to the rule that the double-colon compression is used only once in a single IPv6 address; otherwise the number of omitted groups would be ambiguous. In the address 2001:DBFF:130F:0:0:0:0:130B, four consecutive zero groups appear between 130F and 130B. Replacing that run with :: produces 2001:DBFF:130F::130B, which expands back unambiguously to the original eight groups. Leading zeros within an individual 16-bit group can also be omitted, but that is a separate abbreviation rule. The example in the question follows valid IPv6 notation and does not alter the numeric address. Consequently, the statement that the address can be compressed in the manner shown is TRUE. The correct answer is A. The compression changes only the written representation of the IPv6 address; it does not change the underlying 128-bit address value itself in any way.
問題 #68
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