第1题:
用于获得字符串S最左边4个字符的函数是( )。
A.Left(S,4)
B.Left(S,1,4)
C.Left str(S,4)
D.Left str(S,1,4)
第2题:
In relation to the turning circle of a ship, the term advance means the distance ______.
A.gained at right angles to the original course
B.gained in the direction to the original course
C.moved sidewise from the original course when the rudder is first put over
D.around the circumference of the turning circle
第3题:
第4题:
第5题:
It’s a configuration that experts are calling a "firewall sandwich," with the second firewall providinga second level of load balancing after traffic down. What is meant by the term "firewall sandwich"?()
第6题:
A computer has been upgraded with a new hard drive and after reassembling the computer and turning the computer on, the drive LED remains lit and an error message during power-on self test (POST) states, ’No Drive Present.’ Which of the following would MOST likely be the cause?()
第7题:
The motherboard was damaged and needs replacing.
The floppy drive was not reconnected.
A configuration disk was left in the floppy drive.
The ribbon cable has been installed incorrectly.
第8题:
gained at right angles to the original course
gained in the direction of the original course
moved sidewise from the original course when the rudder is first put over
around the circumference of the turning circle
第9题:
take in
put in
take out
put up
第10题:
第11题:
dunnage
separation
stowage
operation
第12题:
Traffic accidents make some people become millionaires
Many people die from traffic accidents
Millions of people say they themselves have had traffic accidents
Millions of people remain healthy after traffic accidents
第13题:
A.after a packet is identified by a multifield classifier
B.after the traffic passes though a shaper
C.prior to ingress policing of traffic
D.while the packet is stored in the switching fabric of the router
第14题:
In relation to the turning circle of a ship, the term transfer means the distance ______.
A.gained in the direction to the original course
B.gained at right angles to the original course
C.the ship moves sidewise from the original course away from the direction of the turn after the rudder is first put over
D.around the circumference of the turning circle
第15题:
第16题:
第17题:
What is the Cisco IOS default behavior for switching from the shared tree to the shortest path tree in PIM-SM operations?()
第18题:
When is the BA Classifier engaged for identifying the forwarding class of traffic in a Juniper router?()
第19题:
single layer of firewalling
multiple layers of firewalling
firewall connections in either an active or standby state
an architecture in which all traffic between firewalls goes through application-specific servers
第20题:
3 years after making the first entry
2 years after the last entry
3 months after last entry
3 years after the last entry
第21题:
at the first stop after a long voyage egby anchoring if possible
at the first stop after arrival at harbor
at the first stop after low load running
at the first stop after passing river or canal passage
第22题:
at the same time
one after another
two first and then the other
one first and then the other two
第23题:
immediately after receiving the first packet on the shared tree for a given (S,G)
after receiving over 1 kb/s traffic onthe shared tree for a given (S,G)
10 seconds after receiving the first packet on the shared tree for a given (S,G)
30 seconds after receiving the first packet on the shared tree for a given (S,G)
after receiving over 10 kb/s traffic onthe shared tree for a given (S,G)