更多"Which of the following statements d"的相关试题:
[单项选择]Which of the following statements describes one of the functions of the ballast system?（）
A. To permit flooding of any fuel oil storage tank on any class of ship
B. To use it as a secondary service system
C. To store reserve feed or potable water for extended cruises
D. To stabilize the ship by flooding certain designed tanks with seawater
[单项选择]Which of the following statements describes the function of an expansion tank in a diesel engine cooling system?（）
A. Maintains a constant head on the system
B. Reduces the likelihood of air or steam pockets formation
C. Provides a low pressure point for the addition of makeup cooling water
D. All of the above
[单项选择]Which of the following statements describes the relationship between viscosity and specific gravity?（）
A. Liquids with different viscosities will always have the same specific gravity
B. Liquids with different viscosities will never have the same specific gravity
C. Viscosity and specific gravity are directly proportional
D. Viscosity and specific gravity are not related in that one does not define or limit the other
[单项选择]Which of these statements best describes VPLS?（）
A. Neither broadcast nor multicast traffic is ever flooded in VPLS.
B. Multicast traffic is flooded but broadcast traffic is not flooded in VPLS.
C. VPLS emulates an Ethernet switch, with eachEMS being analogous to a VLAN.
D. Because U-PE devices act as IEEE 802.1 devices, the VPLS core must use STP.
E. When the provider experiences an outage, IP re-routing restores PW connectivity and MAC relearning is needed.
[单项选择]Which one of the following statements best explains the split horizon rule?（）
A. Only routers can split boundaries (horizons) between networks in separate AS numbers.
B. Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.
C. Once a route is received on an interface, advertise that route as unreachable back out the same interface.
D. Information about a route should never be sent back in the direction from which the original update came.
[多项选择]Which of the following describes the roles of devices in a WAN？（）
A. A CSU/DSU terminates a digital local loop
B. A modem terminates a digital local loop
C. A CSU/DSU terminates an analog local loop
D. A modem terminates an analog local loop
E. A router is commonly considered a DTE device
F. A router is commonly considered a DCE device
[单项选择]Which of the following best describes the thermodynamic effect on the pressure and volume relationship with regards to saturated gases?（）
A. As pressure decreases, volume increases
B. As volume increases, pressure increases
C. As volume decreases, pressure decreases
D. As pressure increases, volume increases
[单项选择]Which of the following best describes “overcharge of refrigerant”?（）
A. Too much refrigerant
B. Too little refrigerant
C. Refrigerant is ran out
D. Running is over
[单项选择]Which one of the access control list statements below will deny all telnet connections to subnet 10.10.1.0/24?（）
A. access-list 15 deny telnet any 10.10.1.0 0.0.0.255 eq 23
B. access-list 115 deny udp any 10.10.1.0 eq telnet
C. access-list 15 deny tcp 10.10.1.0 255.255.255.0 eq telnet
D. access-list 115 deny tcp any 10.10.1.0 0.0.0.255 eq 23
E. access-list 15 deny udp any 10.10.1.0 255.255.255.0 eq 23
