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【简答题】
按要求变换下列句子,每空一词。 1. There are five people in my family. (就划部分提问) How _______ people _______ _______ in your family? 2. The woman in purple is David's wife. (就划线部分提问) _______ _______ is David' s wife? 3. That is a bus. (变为复数句子) _______ _______ _______. 4. His new trousers are brown .(就划线部分提问) _______ _______ _______ his new trousers? 5. I am in Row 2. (变为一般疑问句) _______ _______ in Row 2? 6. There are some kites in the sky. (变为否定句) There are _______ kites in the sky. 7. Is Mimi in the tree now? (做出否定回答) No, it _______. 8. Meimei's grandfather is seventy (七十). (就划线部分提问) _______ _______ is her grandfather? 9. Please give me the ruler. (写出同义句) Please give the ruler ______ ______.
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【简答题】多立杆脚手架为了加强纵向稳定性和整体性,必须设置 ,该杆件的连接采用 的方式,并应采用 扣件固定。
【单选题】How many subnetworks and hosts are available per subnet if you apply a /28 mask to the 210.10.2.0 class C network?
A.
30 networks and 6 hosts.
B.
6 networks and 30 hosts.
C.
8 networks and 32 hosts.
D.
16 networks and 14 hosts.
【单选题】For a traditional class C network without subnet partition. How many hosts are allowed to be installed? ()
A.
1024
B.
65025
C.
254
D.
16
E.
48
【单选题】Internet的网络层含有四个重要的协议,分别为(  )
A.
IP,ICMP,ARP,UDP
B.
TCP,ICMP,UDP,ARP
C.
IP,ICMP,ARP,RARP
D.
UDP,IP,ICMP,RABP
【单选题】How many hosts are attached to each of the local area networks at your site?
A.
128
B.
254
C.
256
D.
64
【单选题】You need subnet a Ezonexam network segment. How many subnetworks and hosts are available per subnet if you apply a /28 mask to the 210.10.2.0 class C network?
A.
30 networks and 6 hosts.
B.
6 networks and 30 hosts.
C.
8 networks and 32 hosts.
D.
32 networks and 18 hosts.
E.
16 networks and 14 hosts.
F.
None of the above
【单选题】You have the network 172.16.10.0/24. How many subnets and hosts are available?
A.
1 subnet with 10 hosts
B.
1 subnet with 254 hosts
C.
192 subnets with 10 hosts
D.
254 subnets with 254 hosts
【单选题】You have been allocated a /22 network. How many usable hosts are available?()
A.
510
B.
512
C.
1022
D.
1024
【单选题】Internet的网络层含有四个重要的协议,分别为( )
A.
A 、IP、ICMP、ARP、UDP
B.
TCP、ICMP、UDP、ARP
C.
IP、ICMP、ARP、RARP
D.
UDP、IP、ICMP、RARP
【多选题】Internet的网络层含有四个重要的协议,分别为 ( )。
A.
IP,ICMP
B.
TCP,ARP
C.
UDP, RARP
D.
ARP,RARP
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