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【单选题】
The survey ________ in our school last month shows that about 2 percent of the students are addicted to Internet games. [ ]A.
conducted
B.
having been conducted
C.
conducting
D.
to be conducted
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【简答题】实验报告栏目五-3. 练习题(10分) 说明创建一个守护进程的基本过程。(5分) 说明setsid函数的作用。(5分)
【多选题】Which of the following technologies can be used in distance vector routing protocols to prevent routing loops?（）
A.
Spanning Tree Protocol
B.
Shortest path first tree
C.
Link-state advertisements (LSA)
D.
Hold-down timers
E.
Split horizon
F.
VRRP
【简答题】实验报告栏目五-2. 练习题(10分) 说明文件写入锁与读取锁的区别。
【简答题】实验报告栏目五-2. 练习题(10分) 如若使用GDB调试器进行代码调试,应注意什么。
【多选题】Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? （）
A.
802.1d
B.
VTP
C.
802.1q
D.
STP
E.
SAP
【多选题】Which of the following technologies can be used in distance vector routing protocols to prevent routing loops?（）
A.
Spanning Tree Protocol
B.
Shortest path first tree
C.
Link-state advertisements (LSA)
D.
Hold-down timers
E.
Split horizon
F.
VRP
【简答题】实验报告栏目五-1、练习题(10分) 说明gcc编译过程中“-g”选项的作用。
【单选题】Which routing table stores IPv4 unicast routes and is used by multicast routing protocols to prevent loops?（）
A.
inet.0
B.
inet.1
C.
inet.2
D.
inet.3
【单选题】Which of the following protocols is used to disable switch ports automatically to prevent switchingloops?（）
A.
RIP
B.
0S：F
C.
STP
D.
EGP
【多选题】Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? (Choose two.)
A.
802.1d
B.
VTP
C.
802.1q
D.
SAP
E.
STP
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