Which is TRUE concerning immersion suits and their use ________．A.Only a light layer of clothing may be worn underneathB.They provide sufficient flotation to do away with the necessity of wearing a life jacketC.They should be tight fittingD.A puncture in the suit will not appreciably reduce its value
Which is TRUE concerning immersion suits and their use ________．
A.Only a light layer of clothing may be worn underneath
B.They provide sufficient flotation to do away with the necessity of wearing a life jacket
C.They should be tight fitting
D.A puncture in the suit will not appreciably reduce its value
相关考题：
Which two statements correctly describe a situation in which an Active／Standby Service Module design is being used?() A. Troubleshooting is more complicated.B. Service and switch modules are underutilized.C. Layer 2 adjacency is required with the servers that use this design.D. Layer 3 adjacency is required with the servers that use this design.E. Load balancing will always occur across both access layer uplinks.
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
Which two practices will avoid Cisco Express Forwarding polarization?() A. The core layer should use default Layer 3 hash information.B. The core layer should use default Layer 4 hash information.C. The distribution layer should use default Layer 3 hash information.D. The distribution layer should use default Layer 4 hash information.E. The core layer should use Layer 3 and Layer 4 information as input to the Cisco Expressing Forwarding hashing algorithm.F. The distribution layer should use Layer 3 and Layer 4 information as input into the Cisco Expressing Forwarding hashing algorithm.
Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?() A. use a Layer 2 link between distribution switchesB. use a Layer 3 link between distribution switchesC. use a redundant link to the coreD. use a Layer 3 link between distribution switches with route summarization
The external flotation bladder of an immersion suit should be inflated ______.A.only after two hours in the waterB.only after four hours in the waterC.before entry into the waterD.upon entry into the water
A vessel is overtaking when she can see which light(s) of a vessel ahead?A.Only the stern light of the vesselB.One sidelight and a masthead light of the vesselC.Only a sidelight of the vesselD.The masthead lights of the vessel
Which of the following statements are true for routers but not true for Layer 3 Ethernet switches？（Choose all that apply.）（）A、May have Ethernet as well as non-Ethernet interfacesB、Traditionally used as a standalone device for inter-VLAN communicationC、Makes use of TCAMsD、Uses subinterfaces to define trunksE、Can use both Layer 2 and Layer 3 to make forwarding decisionsF、Allows the definition of Switched Virtual Interfaces（SVI）
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
Cisco Express Forwarding （CEF） is mainly used to increase packet switching speed， reducing theoverhead and delays introduced by other routing techniques， increasing overall performance.Which of the following concerning CEF is recommended by Cisco？（）A、 Use default Layer 4 hash in core.B、 Use default Layer 3 hash in distribution.C、 Use default Layer 4 hash in distribution.D、 Use default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.
Which three statements concerning the use of the java.io.Serializable interface are true？（）A、Objects from classes that use aggregation cannot be serializedB、An object serialized on one JVM can be successfully deserialized on a different JVMC、The values in fields with the volatile modifier will NOT survive serialization and deserializationD、The values in fields with the transient modifier will NOT survive serialization and deserializationE、It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable
Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true?（）A、The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.B、The DHCP Discover message uses UDP as the transport layer protocol.C、The DHCP Discover message uses a special Layer 2 multicast address as the destination address.D、The DHCP Discover message uses TCP as the transport layer protocol.E、The DHCP Discover message does not use a Layer 2 destination address.F、The DHCP Discover message does not require a transport layer protocol.
Which of the protocols below use TCP at the transport layer?（）A、TFTPB、SMTPC、SNMPD、FTPE、HTTPF、HTTPS
Which statement is true concerning 6to4 tunneling?（）A、The edge routers can use any locally configured IPv6 address.B、Hosts and routers inside a 6to4 site will need a special code.C、An edge router must use IPv6 address of 2002::/16 in its prefix.D、IPv4 traffic is encapsulated with an IPv6 header.
Which two statements correctly describe a situation in which an Active/Standby Service Module design is being used?（）A、Troubleshooting is more complicated.B、Service and switch modules are underutilized.C、Layer 2 adjacency is required with the servers that use this design.D、Layer 3 adjacency is required with the servers that use this design.E、Load balancing will always occur across both access layer uplinks.
Which of the following is true concerning best design practices at the switched Access layer of thetraditional layer2 Enterprise Campus Network？（）A、 Cisco NSF with SSO and redundant supervisors has the most impact on the campus in theAccess layerB、 Provides host-level redundancy by connecting each end device to 2 separate Access switches C、 Offer default gateway redundancy by using dual connections from Access switches toredundant Distribution layer switches using a FHRPD、 Include a link between two Access switches to support summarization of routing information
单选题Which of the following statements concerning the rigging of bosuns’ chairs and their use is TRUE（）.AAlways secure the gantline to the chair with a bowlineBAlways have the chair hoisted with at least three turns on a winch drumCAny tools，paint pots etc．should be secured by lanyardsDWhen riding a stay，make sure that the bow of the shackle passes through the becket of the bridle
多选题Which of the following statements are true for routers but not true for Layer 3 Ethernet switches？（Choose all that apply.）（）AMay have Ethernet as well as non-Ethernet interfacesBTraditionally used as a standalone device for inter-VLAN communicationCMakes use of TCAMsDUses subinterfaces to define trunksECan use both Layer 2 and Layer 3 to make forwarding decisionsFAllows the definition of Switched Virtual Interfaces（SVI）
单选题Which statement about immersion suits is TRUE?（）AThe primary color of the suit's exterior may be red，orange or yellowBThe suit must，without assistance，turn an unconscious person's mouth clear of the water within 5 secondsCThe suit is flameproof and provides protection to a wearer swimming in burning oilDThe suit may be stored in a machinery space where the ambient temperature is 160°F
单选题Immersion suits must be stowed（）.Ain the pilothouseBon top of lockersCwhere readily accessibleDon open deck areas
单选题Which is TRUE concerning immersion suits and their use?（）AOnly a light layer of clothing may be worn underneathBThey provide sufficient flotation to do away with the necessity of wearing a life jacketCThey should be tight fittingDA puncture in the suit will not appreciably reduce its value
多选题Which of the protocols below use TCP at the transport layer?（）ATFTPBSMTPCSNMPDFTPEHTTPFHTTPS
单选题An immersion suit must be equipped with a(n)（）.Aair bottle for breathingBwhistle and lightCwhistle，light，and reflective tapeDwhistle，light，and sea dye marker
单选题Cisco Express Forwarding （CEF） is mainly used to increase packet switching speed， reducing theoverhead and delays introduced by other routing techniques， increasing overall performance.Which of the following concerning CEF is recommended by Cisco？（）A Use default Layer 4 hash in core.B Use default Layer 3 hash in distribution.C Use default Layer 4 hash in distribution.D Use default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.
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
单选题Which statement concerning Montauk Point Light is TRUE（）.AThe light comes on at sunsetBThere is an emergency light if the main light is extinguishedCThe height of the light is 24 feetDThe tower is painted with black and white stripes
单选题Which statement concerning the handling characteristics of a fully loaded vessel as compared with those of a light vessel is FALSE?（）AA fully loaded vessel will be slower to respond to the enginesBA fully loaded vessel will maintain her headway furtherCA light vessel will be more affected by the windDA light vessel lose more rudder effect in shallow water
单选题Which statement is TRUE concerning a vessel equipped with operational radar?（）.AShe must use this equipment to obtain early warning of risk of collisionBThe use of a radar excuses a vessel from the need of a look-outCThe radar equipment is only required to be used in restricted visibilityDThe safe speed of such a vessel will likely be greater than that of vessels without radar