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Free H12-891_V1.0 Exam Braindumps
HCIE-Datacom V1.0 Questions 151–155 (page: 32)

Updated On: 10-Feb-2026
Page 32 of 123
PDF with 610 Questions

Regarding the domain-authentication-mode md5 hello command in the ISIS process, the correct explanation is ?

  1. ISIS authentication cannot be applied in IPv6 environments.
  2. This command is mainly used to make is the ISIS Hello message carry authentication information during the transmission process.
  3. All router domain authentication methods of the same routing domain are MD5, the password is hello, and lS-IS SNP and LSP will spread normally.
  4. outing domain authentication is primarily used to allow level-1 and Level-2 SNP and LSP messages to carry authentication information during delivery.

Answer(s): C



As shown in the figure, all routers run OSPF, which is correct in the following statement:

  1. Both R2 and Zone 0 generate Router LSA
  2. R2 generates Router LSA only in Zone 0
  3. R2 forwards the R1-generated Router LSA to R3
  4. R2 Forwards the R3-generated Router LSA to R1

Answer(s): A



As shown in the figure,



RI, R2 establishes an EBGP neighbor and turns on the BFD detection function, the following statement is correct

  1. Detection time for BFD packets for AR2 800ms
  2. R1 Detection time for BFD packets for 1280ms
  3. R1 Detection time for BFD packets The detection time for BFD packets for 660ms
  4. R2 is 600ms

Answer(s): C



Which of the following attacks are DoS (Denial of servioe) attacks?( Multiple choice question)

  1. Single packet attack
  2. Source P address spoofing attack
  3. Man-in-the-middle attack
  4. Flood Attack

Answer(s): A,D



SNMPv3 defines which security features

  1. Privacy
  2. Authentication
  3. Domain checking
  4. Accounting

Answer(s): A,B



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