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单选题
Limit switches（）.
A
control the descent rate of a lifeboat
B
control the ascent rate of a lifeboat
C
cut off power to the winch when the lifeboat nears the final stowed position
D
cut off power to the winch when the lifeboat reaches the davit bumpers
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单选题The limit switches on a ships survival-craft winch system（）.A
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考题
单选题Limit switches on gravity davits should be tested by（）.A
the engineers，from a panel in the engine roomB
shutting off the current to the winchC
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考题
单选题Which of these recommended designs provides the highest availability？（）A
map the Layer 2 VLAN number to the Layer 3 subnetB
control route propagation to edge switches using distribute listsC
use a Layer 2 distribution interconnection link with HSRP or GLBPD
use a Layer 3 distribution interconnection link with HSRP or GLBPE
use equal-cost Layer 3 load balancing on all links to limit the scope of queries in EIGRP
考题
单选题To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus？（）A
to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 linkB
to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 linkC
to two core switches from redundant distribution switches connected with Layer 2 linkD
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to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO
考题
多选题Which of the following are true regarding bridges and switches?（）ABridges are faster than switches because they have fewer ports.BA switch is a multiport bridge.CBridges and switches learn MAC addresses by examining the source MAC address of each frame received.DA bridge will forward a broadcast but a switch will not.EBridges and switches increase the size of a collision domain.
考题
单选题The ability to stack switches using cisco stackwise technology provides A number of important benefits to the customer, which of these is A benefit of cisco stackwise?（）A
allowscisco smart switches to be incorporated into the stackB
allows multiple switches to be managed asA single device.C
enables switches in multiple wring closets to provide failover for each otherD
eliminates the need to purchasesmartnet on individual switches in the stack
考题
单选题Which sequence is correct when launching a lifeboat stowed in gravity davits?（）A
Release gripes，turn on emergency disconnect switch，release frapping linesB
Release tricing pennants，turn on emergency disconnect switch，release frapping linesC
Operate limit switches，release gripes，lift brakeD
Release gripes，lift brake，release tricing pennants
考题
单选题Limit switches are used on which davits?（）A
Sheath-screw davitsB
Gravity davitsC
Radial davitsD
Quadrantal davits
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