On which type davit does the davit head stay at the same height?（）

A . port tunneling on the Ethernet subinterface B . VLAN tunneling on the Ethernet trunk C . port tunneling on the Ethernet interface D . VLAN tunneling on the Ethernet VLAN subinterface E . port tunneling on the Ethernet trunk

A . Movable ladders B . Fixed ladders C . Safety booms D . Elevator

A . point-to-point B . parent/child messaging C . messaging hub system D . distributed applications messaging E . simple object access protocol (SOAP) messaging

A .  access point certification and software control B .  compression and Layer 3 address mapping C .  Layer 3 addressing and distribution D .  packet encapsulation， fragmentation， and formatting E .  SNMP monitoring service

A . Burning oil B . Electrical C . Paint D . All of the above

A . AAL2 B . AAL 4 C . AL 5 D . AAL 1 E . AAL 3

A .  KeyEvent B .  KeyDownEvent C .  KeyPressEvent D .  KeyTypedEvent E .  KeyPressedEvent

A . Sheath-screw davits B . Gravity davits C . Radial davits D . Quadrantal davit

A . point-to-point and multiaccess B . point-to-multipoint and multiaccess C . point-to-point and point-to-multipoint D . nonbroadcast and broadcast multipoint E . nonbroadcast and broadcast multiacce

A . to their final position with the winch operating at slow speed B . to the bar stop，and then hand cranked to their final position C . until just before they make contact with the limit switch，and then hand cranked to their final position D . to the embarkation deck，and then hand cranked to their final positio

A .  Condition and Task B .  Manual Input and Task C .  Interaction and Manual Input D .  Manual Input and Subproce

A . point-to-point and multiaccess B . point-to-multipoint and multiaccess C . point-to-point and point-to-multipoint D . nonbroadcast and broadcast multipoint E . nonbroadcast and broadcast multiacce

A . VTP B . ISL C . CDP D . 802.1Q E . 802.1p F . LLC G . IETF

A . Mud B . Grass C . Sand D . Clay

A . EAP-TLS B . EAP-TTLS C . EAP-SIM D . PEAPv1/EAP-GTC E . LEAP

A . Current log sequence. B . Recover tuning parameters. C . Redo log names and locations. D . Data file names and locations. E . Undo segment names and locations.

A . service console port B . ESX machine port group C . virtual machine port grou

A . The boat should be hoisted a few inches clear of the cradle before cranking out the davits B . The inboard gripes should be cast off before the outboard gripes C . The outboard section of the cradle must be released D . The tricing pendants will automatically bring the boat alongside at the embarkation deck

A . shared ephone-dn  B . overlaid ephone-dn  C . dual-line ephone-dn  D . single-line ephone-dn  E . dual-number ephone-dn  F . two ephone-dns with one number

A . Attacker sends multiple DHCP requests flooding DHCP server B . Attacker connects rogue server initiating DHCP requests C . Attacker connects rogue server replying to DHCP requests D . Attacker sends DHCP jam signal causing DHCP server to crash E . Attacker sends gratuitous ARP replies， thereby jamming the DHCP server F . Attacker sends unsolicited DHCP replies， thereby jamming the DHCP server

A.Customer B.Competence C.Operational D.Strategic