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单选题
Routing convergence time is which of the following？（）
A
Time required for a VPN connection to occur
B
Time required by protocols to update their forwarding tables after changes have occurred
C
Time required for an IDS to detect suspicious software
D
Time required by switch ports to update their link status and transition to the forwarding state
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Routing convergence time is which of the following？（）A、Time required for a VPN connection to occurB、Time required by protocols to update their forwarding tables after changes have occurredC、Time required for an IDS to detect suspicious softwareD、Time required by switch ports to update their link status and transition to the forwarding state
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单选题Routing convergence time is which of the following？（）A
Time required for a VPN connection to occurB
Time required by protocols to update their forwarding tables after changes have occurredC
Time required for an IDS to detect suspicious softwareD
Time required by switch ports to update their link status and transition to the forwarding state
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多选题In which three situations is incomplete recovery required？（）AAfter a shutdown abort.BWhen recovering to an SCN.CWhen recovering until a specific time.DWhen a required archived log is missing.
考题
单选题When an Enterprise Campus network designer is addressing the merger of two companies with different IGPs， which of the following is considering a super routing design？（）A
Eliminate the management and support for redistribution by choosing and cutting over to asingle IGP at the time of mergerB
Maintain distinct pockets across a moving boundary of routing protocols， redistributing betweenthemC
Manipulate the administrative distance of the different IGPs to be equal throughout the networkD
Leave the IGPs independent without redistribution wherever communication between companyentities is not required
考题
多选题Which of the following restrictions are not true with respect to tablespace point-in-time recovery？（）AThe target database must be in NOARCHIVELOG mode.BNo backup is required of the database before you perform a TSPITR.CYou must have all archived redo logs generated since the last backup up to the point to which you want to restore the transport set.DIf you rename a tablespace， you can not perform a TSPITR to any point in time before that rename operation occurred.EIf you have tables in tablespace_1 that have associated constraints in tablespace_2，then you must transport both tablespaces.
考题
单选题What best describes processing delay？（）A
the time required from receipt of the incoming frame， until the frame/packet has been queued for transmissionB
the time taken for a single packet to traverse the physical medium from one end to the otherC
the time taken to place a frame on the physical medium for transportD
the time spent for a packet to reside in the output queue of a router
考题
单选题Lifeboat winches on a ship are required to be inspected and an entry made in the logbook. What should this entry include? （）A
The time required to lower a lifeboatB
The time required to raise a lifeboatC
The date of inspection and condition of the winchD
All of the above
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单选题A system must be upgraded from AIX 5.1 to 5.2. Which of the following scheduling processes should be performed? （）A
Schedule enough down time to backup, upgrade and reboot. B
Backup, upgrade, then schedule enough down time to reboot the system. C
Backup, then schedule enough down time to upgrade and reboot the system. D
No scheduling processes are necessary because no down time is required.
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A user table was lost at the specified time.B
A redo log file was lost at the specified time.C
The backup control file is on a faster disk than the current one.D
The current control file has a different path compared with the intended time of recovery.E
The current control file does not match the physical structure of the database at the intended time of recovery.
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Identity of the product to be transferredB
Details of transferring and receiving systemsC
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SetB
FrequencyC
PeriodD
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单选题The period of a lighted aid to navigation refers to the（）.A
date of construction or establishmentB
length of time between flashes of the lightC
time required for the longest flash of each cycleD
time required for the light to complete each cycle
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单选题In context, which of the following revisions of the underlined portion of sentence 12(reproduced below) is most effective at making it clearer and more specific?Unfortunately, many students today don’t have time for that.A
today have hardly even 1 hour for such thingsB
today, unlike those in Archimedes’ time, don’t have time to go to the moviesC
today don’t have time for such excursionsD
of modern times lack sufficient time for the kinds of things explained aboveE
today lack sufficient time for things like this
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