Free H12-891_V1.0 Exam Braindumps
HCIE-Datacom V1.0 Questions 211–215 (page: 44)

Updated On: 10-Feb-2026

In the VXLAN implementation, the mapping relationship between VNI and BD is

  1. 1:N
  2. N:1
  3. 1:1
  4. N: M

Answer(s): C



As shown in the figure, a company sets up an OSPF network. The links in the figure all form OSPF adjacencies, and all OSFP devices declare their own loopback addresses. One day SIR2 The two links of the S2AR1 suddenly failed, and in order to detect if the network was operating properly, the engineers performed a device status check, which is correct as described below

  1. R5 can normally learn the loopback route to R2
  2. R3 can not learn the loopback route to R2
  3. R1 can normally learn the loopback route
  4. R3 of R2 The loopback route of R2 can be learned normally

Answer(s): A,B



What designs in the router can improve the reliability of the router?

  1. Dual power supply design
  2. Module hot-swappable design
  3. Issu Design
  4. Dual-engine design

Answer(s): A,D



The following statement about the security alliance SA in IPSec is incorrect

  1. SA is uniquely identified by a triple that includes the security parametric reference SPI (Security Parameter Inder), the source IP address, and the security protocol number (AH or ESP)
  2. Use the display ipsec command to view the encryption algorithm used with another
    IPSec peer, the traffic of interest, and so on.
  3. IPSec only supports encrypting data using symmetric encryption algorithms.
  4. A two-way SA must exist between IPSec peers to establish an IPSec VPN connection

Answer(s): A



Level-1-2IS transmits Level-2LSP to the Level-1 area if the AT location 1 in Level-2LSP is delivered It means that the Level-1lS in the area can be accessed to the outer area through Level-1-2IlS

  1. True
  2. False

Answer(s): B



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