Which of these is not a component of MPLS traffic engineering？（）

A、engaged in fishing in a traffic lane B、servicing a submarine cable C、towing another D、engaged on pilotage duty

A .  It will only become active after a software failure. B .  It will only become active after a hardware failure. C .  It requires that Cisco NSF be enabled in order to work successfully. D .  It synchronizes the MAC·， FIB·， and adjacency tables between Active and Standby RouteProcessors.

A . Dry chemical B . Halon C . Low velocity fog D . Steam

A .  The NAS acts as a gateway for all Layer 3 traffic. B .  Only the MAC address is used to identify the client device. C .  User traffic remains on the same VLAN for the duration of the connection. D .  After authentication and posture assessment， client traffic no longer passes through the NAS.

A . site readiness assessment B . business requirements development C . design D . site survey E . customer educatio

A .  It will only become active after a software failure B .  It will only become active after a hardware failure C .  It requires that Cisco N3F· be enabled in order to work successfully D .  It synchronizes the MAC·， FIB·， and adjacency tables between Active and Standby Route Processor

A .  CLI commands B .  email alerts C .  SNMP traps D .  policy trace

A、 The hull must be clean B、 There must be calm weather – wind 10 knots or less and a calm sea C、 There must be no currents D、 The depth of the water must be at least one and one-half times the draft

A . after the subscriber is unavailable for 10 minutes B . when the subscriber is available C . after the subscriber is unavailable for after an hour D . are available until the specified time elapses E . are expired instantly

A . The NAS acts as a gateway for all Layer 3 traffic. B . Only the MAC address is used to identify the client device. C . User traffic remains on the same VLAN for the duration of the connection. D . After authentication and posture assessment, client traffic no longer passes through the NAS.

A . 0000.0C07.AC15 B . 0000.5E00.01A3 C . 0007.B400.AE01 D . 0007.5E00.B301

A .  drop B .  pass-through C .  decrypt D .  block

A .  heuristic scanning cannot detect new malware with an unknown signature B .  heuristic scanning requires a separate license key C .  heuristic scanning increases the probability of false positives D .  heuristic scanning increases the probability of false negative

A .  deployment option B .  acceptable use policies C .  S-Series interface settings D .  authentication infrastructure

A .  <>（the null string） B .  Wget/1.8.1 C .  Mozilla/5.0 D .  Opera/9.0

A.ISO 9001 B.SPICE C.SEI D.CMMI

A．Vapor-pressure lowering depends only on the solute concentration — not on the nature of the solute B．Freezing-point depression depends only on the solute concentration - not on the nature of the solute C．Boiling-point elevation depends only on the solute concentration - not on the nature of the solute D．Osmotic pressure does not depend on the solute concentration - but depends on the nature of the solut E．