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質問 1：
In the hub-spoke networking shown in the figure, the Hub-PE can be configured to allow repetitive local AS numbers for correct route transmission.
A. TRUE
B. FALSE
正解：A
質問 2：
In the figure, a network administrator configures a static LSP to implement MPLS data forwarding. The lower part of the topology shows the packet header information obtained from a device.
Which of the following statements are true?
Options:
A. Packets from PC2 to PC1 are forwarded based on the IP packet header in the MPLS domain.
B. PC1 pings PC2.
C. Packets from PC1 to PC2 are forwarded based on MPLS labels in the MPLS domain.
D. If the device is R3, R3 forwards the packet from PC1 to PC2 over an IP route.
正解：B,C
解説: (Pass4Test メンバーにのみ表示されます)
質問 3：
On the OSPF network shown in the figure, the cost values of links are marked. IS-IS Auto FRR is enabled on R1. The primary path from R1 to 10.0.3.3/32 is R1 # R2 # R3, and the backup path is R1 # R4 # R2 # R3.
Is this statement TRUE or FALSE?
A. TRUE
B. FALSE
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
質問 4：
In the hub-spoke networking shown in the figure, which of the following commands must be configured on the Hub-PE to ensure correct route transmission?
A. [Hub-PE-bgp-VPN_in] peer x.x.x.x allow-as-loop
B. [Hub-PE-bgp-VPN_out] peer x.x.x.x allow-as-loop
C. [Hub-PE-bgp-VPN_out] peer x.x.x.x soo 200:1
D. [Hub-PE-bgp-VPN_in] peer x.x.x.x soo 200:1
正解：D
解説: (Pass4Test メンバーにのみ表示されます)
質問 5：
On the OSPFv3 network shown in the figure, the LSDB (Link-State Database) of R2 contains ______ Router-LSAs. (Enter only digits.)
正解：
3
Explanation:
1. Understanding Router-LSAs in OSPFv3
* Router-LSA (Type 1 LSA) is generated by every OSPFv3 router to describe its own links and connected networks within the same area.
* Each router in an OSPF area generates exactly one Router-LSA to advertise its own topology information.
* Router-LSAs are flooded throughout the area but do not cross area boundaries.
2. Analyzing the Given OSPFv3 Network
* The topology consists of three routers: R1, R2, and R3, all connected in OSPFv3 Area 0.
* Since all three routers participate in OSPFv3, each router generates its own Router-LSA (Type 1 LSA).
* R2, as an OSPF router, will have its own Router-LSA and also receive the Router-LSAs from R1 and R3.
3. Counting the Number of Router-LSAs in R2's LSDB
* R1 generates 1 Router-LSA (for itself).
* R2 generates 1 Router-LSA (for itself).
* R3 generates 1 Router-LSA (for itself).
* Total Router-LSAs in R2's LSDB = 3 (one from each router).
Final Answer:
HCIP-Datacom-Advanced Routing & Switching Technology References:
* OSPFv3 LSA Types and Their Roles
* Understanding Router-LSA (Type 1) and Its Function in LSDB
In the hub-spoke networking shown in the figure, the Hub-PE can be configured to allow repetitive local AS numbers for correct route transmission.
A. TRUE
B. FALSE
正解：A
質問 2：
In the figure, a network administrator configures a static LSP to implement MPLS data forwarding. The lower part of the topology shows the packet header information obtained from a device.
Which of the following statements are true?
Options:
A. Packets from PC2 to PC1 are forwarded based on the IP packet header in the MPLS domain.
B. PC1 pings PC2.
C. Packets from PC1 to PC2 are forwarded based on MPLS labels in the MPLS domain.
D. If the device is R3, R3 forwards the packet from PC1 to PC2 over an IP route.
正解：B,C
解説: (Pass4Test メンバーにのみ表示されます)
質問 3：
On the OSPF network shown in the figure, the cost values of links are marked. IS-IS Auto FRR is enabled on R1. The primary path from R1 to 10.0.3.3/32 is R1 # R2 # R3, and the backup path is R1 # R4 # R2 # R3.
Is this statement TRUE or FALSE?
A. TRUE
B. FALSE
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
質問 4：
In the hub-spoke networking shown in the figure, which of the following commands must be configured on the Hub-PE to ensure correct route transmission?
A. [Hub-PE-bgp-VPN_in] peer x.x.x.x allow-as-loop
B. [Hub-PE-bgp-VPN_out] peer x.x.x.x allow-as-loop
C. [Hub-PE-bgp-VPN_out] peer x.x.x.x soo 200:1
D. [Hub-PE-bgp-VPN_in] peer x.x.x.x soo 200:1
正解：D
解説: (Pass4Test メンバーにのみ表示されます)
質問 5：
On the OSPFv3 network shown in the figure, the LSDB (Link-State Database) of R2 contains ______ Router-LSAs. (Enter only digits.)
正解：
3
Explanation:
1. Understanding Router-LSAs in OSPFv3
* Router-LSA (Type 1 LSA) is generated by every OSPFv3 router to describe its own links and connected networks within the same area.
* Each router in an OSPF area generates exactly one Router-LSA to advertise its own topology information.
* Router-LSAs are flooded throughout the area but do not cross area boundaries.
2. Analyzing the Given OSPFv3 Network
* The topology consists of three routers: R1, R2, and R3, all connected in OSPFv3 Area 0.
* Since all three routers participate in OSPFv3, each router generates its own Router-LSA (Type 1 LSA).
* R2, as an OSPF router, will have its own Router-LSA and also receive the Router-LSAs from R1 and R3.
3. Counting the Number of Router-LSAs in R2's LSDB
* R1 generates 1 Router-LSA (for itself).
* R2 generates 1 Router-LSA (for itself).
* R3 generates 1 Router-LSA (for itself).
* Total Router-LSAs in R2's LSDB = 3 (one from each router).
Final Answer:
HCIP-Datacom-Advanced Routing & Switching Technology References:
* OSPFv3 LSA Types and Their Roles
* Understanding Router-LSA (Type 1) and Its Function in LSDB
Tamura -
驚きました！短い時間で、H12-831_V1.0-ENU試験参考書を利用したら、無事にH12-831_V1.0-ENU試験に合格しました！