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【单选题】
The Cisco network-based virtual firewall service solution helps service providers to deliver cost-effective， scalable， integrated security services for enterprise customers using Cisco platforms.What is a virtual firewall？（）A.
another name for a firewall deployed in routed mode
B.
another name for a firewall deployed in transparent mode
C.
a separation of multiple firewall security contexts on a single firewall
D.
a firewall that， when deployed in routed mode， can support up to 1000 VLANs per context
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【单选题】以下程序段的输出结果是( )。 N=13: a=2 m=n mod 10 Select Case m Case is0: a=1 End select Print a
A.
-1
B.
0
C.
1
D.
2
【单选题】以下程序段的输出结果是（ ）。 int a=13,b=21,m=0;switch(a%3){case 0:m++;break;case 1:m++;switch(b%2){default:m++;case 0:m++;break;}}printf("%d",m);
A.
1
B.
2
C.
3
D.
4
【单选题】Soot blowers should be used in proper sequence so that____.
A.
excess stresses will not be set up in the boiler
B.
the decks will not be covered with soot
C.
the soot will be swept toward the uptakes(上升烟道)
D.
there will not be a loss of steam pressure
【单选题】以下程序段的输出结果是( )。 N=13: a=2 m=n mod 10 select case m case is0: a=1 end select Print a
A.
-1
B.
0
C.
1
D.
2
【单选题】女性也会实施攻击行为，她们的攻击对象通常也是女性。相关的现象有（）。
A.
女性常常诋毁她们的竞争对手，嘲笑她们的长相
B.
女性常常对有外遇的男性嗤之以鼻
C.
女性常常和同性殴打
D.
以上都正确
【单选题】Soot blowers should be used in proper sequence so that（）
A.
excess stresses will not be set up in the boiler
B.
the decks will not be covered with soot
C.
the soot will be swept toward the uptakes
D.
there will not be a loss of steam pressure
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