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[General] Latest H12-821_V1.0 Test Question, H12-821_V1.0 Trustworthy Exam Torrent

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【General】 Latest H12-821_V1.0 Test Question, H12-821_V1.0 Trustworthy Exam Torrent

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q150-Q155):NEW QUESTION # 150
During daily troubleshooting, engineers may need to check some alarm information of the equipment. Run the termina10 command to open the terminal display debugging/log/alarm information function sent by the information center.
Answer:
Explanation:
monitor

NEW QUESTION # 151
As shown in the figure, all routers run IS-IS. R3 is a Level-1 router, R6 is a Level1-2 router, and other routers are Level-1-2 routers.

What are the types of neighbor relationships between routers?

Answer:
Explanation:


NEW QUESTION # 152
As shown in the figure, R1 and R2 form a VRRP backup group with VRID 12. Now the user starts R1 one minute after R2 starts.

So which of the following descriptions of the default status of R1 are correct? (Multiple choice)
  • A. If you change the priority of R1 to 100 and then start it, the final master device will be R2.
  • B. After R1 starts stably, the final master device is R2.
  • C. After R1 starts stably, the final Master device is R1
  • D. If you change the priority of R1 to 100 and then start it, the final master device will be R1.
Answer: A,C

NEW QUESTION # 153
OSPF has several types of special areas, which are used to reduce the LSDB size and improve device performance.
Which of the following LSAs cannot be in a totally stub area?
  • A. Type 3 specific LSA
  • B. Type 3 LSA that describes a default route
  • C. Type 2 LSA
  • D. Type 1 LSA
Answer: A
Explanation:
ATotally Stubby Areain OSPF is a special type of stub area where onlyintra-area (Type 1) LSAs,router LSAs, anddefault routes (Type 3 LSA with 0.0.0.0/0)are allowed to be injected. Itblocks inter-area routes (Type 3 LSAs for specific prefixes)andType 5 LSAs (external routes)to reduce the size of the Link-State Database (LSDB) and enhance router performance.
Explanation of the Options:
A: Type 3 specific LSA-#Correct Answer. These LSAs represent inter-area routes. Totally Stubby Areasdo not allow Type 3 LSAs for specific routes, only for the default route (0.0.0.0/0).
B: Type 1 LSA-#Allowed. These are Router LSAs generated by routers within the area and are necessary for OSPF to function.
C: Type 3 LSA that describes a default route-#Allowed. This is the only Type 3 LSA permitted in a Totally Stubby Area. It provides a default route (0.0.0.0/0) to reach external destinations.
D: Type 2 LSA-#Allowed if there are broadcast or NBMA networks in the area. These describe the network segment in multi-access environments and are generated by the DR.
Official Huawei Reference:
#Huawei HCIP-Datacom-Core Technology Study Guide-
Chapter: OSPF Special Areas
"A totally stub area does not allow inter-area Type 3 LSAs or external Type 5 LSAs to enter. Only a default route is injected in the form of a Type 3 LSA (0.0.0.0/0), which greatly reduces the LSDB size."
#Also refer to:
Huawei VRP Command Guide > OSPF > Configuration Notes > OSPF Special Areas

NEW QUESTION # 154
On an STP network, parameters used for role election, such as the root bridge ID, root path cost, and bridge ID, are all fields in BPDUs.
  • A. FALSE
  • B. TRUE
Answer: B
Explanation:
In STP (Spanning Tree Protocol),Bridge Protocol Data Units (BPDUs)contain critical information used in the election and role assignment process, including:
Root Bridge ID- Identifies the current root bridge.
Root Path Cost- Total path cost to reach the root.
Bridge ID- Unique identifier for each switch.These fields are used to determine port roles (root, designated, etc.) and to elect the root bridge.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"BPDUs carry the root bridge ID, root path cost, sender's bridge ID, and port ID. These are used in root bridge election and port role determination." (Chapter: Layer 2 Technologies - Section: STP Operation)

NEW QUESTION # 155
......
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