Which best represents a typical attackthat takes advantage of RFC 792， ICMPType 3 messages？（）

A . client traffic allowed， data captured on all channels B . client traffic allowed， data captured on a single channel C . no client traffic allowed， data captured on a single channel D . no client traffic allowed， data captured on all channel

A . client traffic allowed， data captured on all channels B . client traffic allowed， data captured on a single channel C . no client traffic allowed， data captured on a single channel D . no client traffic allowed， data captured on all channel

A . compression must be low for effective spark ignition B . compression must be low for required horsepower and torque generation C . compression must be low to prevent pre-ignition D . compression must be low to have effective pre-ignitio

A .  shutdown restore datafile 4； recover datafile 4； alter database open； B .  Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； alter database open； C .  Sql alter database datafile 4 offline； restore datafile 4； Sql alter database datafile 4 online； D .  Sql alter database datafile 4 offline； restore database datafile 4； recover database datafile 4；Sql alter database datafile 4 online； E .  Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； Sql alter database datafile 4 online；

A . Contactors control current and relays control voltage B . A relay is series connected and a contactor is parallel connected C . Contactors can handle heavier loads than relays D . Contactors are made from silver and relays are made from copper

A .  GET B .  INFO C .  HEAD D .  TRACE E .  OPTIONS

A . Provide common view of entire topology B . Exchange routing tables with neighbors. C . Calculates shortest path. D . Utilizes event triggered updates. E . Utilizes frequent periodic updates.

A . class Man extends Dog { } B . class Man implements Dog { } C . class Man { private BestFriend dog； } D . class Man { private Dog bestFriend； } E . class Man { private Dog

A . One man report the fire, and the other two men fight the fire B . One man report the fire, one man fight the fire, and one man evacuate and secure the area C . One man report the fire, one man fight the fire, and one man act as a safety observer D . All three men fight the fire and report it immediately after it is extinguished

A . b-c-a-d B . c-b-a-d C . d-a-c-b D . c-b-d-a

A . class Man extends Dog{} B . class Man implements Dog{} C . class Man{private BestFriend dog；} D . class Man{private Dog bestFriend；} E . class Man{private Dog

A . class Man extends Dog { } B . class Man implements Dog { } C . class Man { private BestFriend dog; } D . class Man { private Dog bestFriend; } E . class Man { private Dog<bestFriend>; } F . class Man { private BestFriend<dog>; }

A . 1 B . 4 C . 2 D . 5 E . 3

A . required at the destination to implement Cisco IOS IP SLA services B . improves measurement accuracy C . required for VoIP jitter measurements D . provides security on Cisco IOS IP SLA messages via LEAP or EAP-FAST authentication E . responds to one Cisco IOS IP SLA operation per port F . stores the resulting test statistic

A . 128.55.103.2 B . 195.201.22.11 C . 227.100.100.1 D . 120.102.27.120

A .  class Man extends Dog { } B .  class Man implements Dog { } C .  class Man { private BestFriend dog； } D .  class Man { private Dog bestFriend； } E .  class Man { private Dog

A．If we"re not careful, technology will ruin our lives. B．Technology is the key to the world"s future economic development. C．Technological change may not always be a good thing. D．Some benefit from technology more than others.

A．A new labor-saving technology． B．A new health clini C．A new factory that will employ 1,000 workers． D．An increase in fringe benefits, such as paid vacations and over time pay．

A.class Man extends Dog { } B.class Man implements Dog { } C.class Man { private BestFriend dog; } D.class Man { private Dog bestFriend; } E.class Man { private Dog＜bestFriend＞; } F.class Man { private BestFriend＜dog＞; }