[单选题]Most of the host operating system provides a way for a system administrator to manually configure the IP information needed by a host．Automated configuration methods, such as （ ） , are required to solve the problem．
A.Ipse
B.DHCP
C.PPTP
D.SOAP

[单选题]Most of the host operating system provides a way for a system administrator to manually configure the IP information needed by a host. Automated configuration methods, such as （）, are required to solve the problem.
A.IPSec
B.DHCP
C.PPTP
D.SOAP

[单选题]Most operating systems have a standard set of ( ) to handle the processing of all input and output instructions. A.spreadsheet
A.control instructions
B.I/O operation
C.dat
D.table

[单选题]Most operating systems have a standard set of （ ） to handle the processing of all input and output instructions.
A.SPREADSHEET
B.CONTROL INSTRUCTIONS
C.I/O OPERATION
D.DATA TABLE

[单选题]The most crucial problem any economic system faces is how to use its scarce resources.
A.puzzling
B.difficult
C.terrifying
D.urgent

[单选题]The most urgent problem any economic system faces is how to use its scarce resources.
A.puzzling
B.difficult
C.terrifying
D.crucial

[单选题]The Dynamic Host Configuration Protocol provides configuration parameters to Internet（ ）.DHCP consists of two components:a（ ）for delivering host-specifie configuration parameters from a DHCP server to a host and a mechanism for allocation of network addresses to hosts.DHCP is built on a client-server model,where designated DHCP server hosts allocate network addresses and deliver（ ）parameters to dynamically configured hosts.DHCP supports three mechanisms for IP address allocation.In“automatic allocation”,DHCP assigns a（本题）IP address to client.In“dynamic allocation”,DHCP assigns an IP address to a client for a limited period of time.In“manual allocation”,a client’s IP address is assigned by the network（ ）,and DHCP is used simply to convey the assigned address to the client.
A.permanent
B.dynamic
C.connection
D.session

[单选题]The basic unit of software that the operating system deals with in scheduling the workdone by the processor is ( ).
A.a program or subroutine
B.a modular or a function
C.aprocess or athread
D.adevice ora chip

[单选题]（　　）operating systems are used for handheld devices such as smart-phones.
A.Mobile
B.Desktop
C.Network
D.Timesharing

[单选题]The auditing function that provides feedback about the quality of output is referred to as（ ）.
A.quality control
B.quality planning
C.quality assurance
D.quality improvement

[单选题]Scotland provides superb opportunities to enjoy wild and grand scenery which is even more impressive than the postcards suggest．It also offers towns and cities with a rich cultural life,a good mix of accommodation and places to eat and drink．Friendly and welcoming,it is an interesting and colorful all-season destination,where landscapes and the environment,sport and leisure pursuits,heritage and history,culture and cuisine are all part of a rewarding experience. The best reason for choosing to go on holiday to Scotland is:one of the last places inside the crowded and frenetic European Union where it is possible to be alone isolated countryside．This is not to say that Scotland,like everywhere else,does not have its tourist traps,its crowded roads or its popular beauty spots．But it is relatively easy to escape from them. It would be a mistake to think that Scotland is merely an extension of England. Indeed,no attitude is capable of causing greater offence to the Scots．They successfully resisted English attempts at domination for seven hundred years,and many differences between the two countries persist. Scotland's history,embodied in its castles,battlefields,and ancient links with France,Flanders and Scandinavia,is special. Scotland
A.was dominated by England for seven hundred years
B.dominated England for seven hundred years
C.kept out English invaders for seven hundred years
D.became part of England for seven hundred years

[单选题]客户的网络连接形如： HostA----GE0/0--AR-1--S1/0-----WAN-----S1/0--AR-2--GE0/0----HostB 两台AR 路由器通过广域网实现互连，目前物理连接已经正常。AR-1 的接口S1/0 地址为3.3.3.1/30，AR-2 的接口S1/0 地址为3.3.3.2/30，现在在AR-1 上配置了如下三条静态路由： ip route-static 192.168.1.0 255.255.255.0 3.3.3.2 ip route-static 192.168.2.0 255.255.255.0 3.3.3.2 ip route-static 192.168.0.0 255.255.255.0 3.3.3.2 其中192.168.0.0/22 子网是主机HostB 所在的局域网段。那么如下描述哪些是正确的？( ) A.这三条路由都会被AR-2路由器学习到并写入AR-2 的路由表
A.只有第三条路由会被写入AR-1 的路由表
B.这三条路由可以被一条路由ip route-stati
C.192.168.0.0 255.255.252.0 3.3.3.2 代替
D.只有第一条路由会被写入AR-1 的路由表