计算机网络管理员共用题干单选^题考试卷模拟考试题

1、姓名：_ 班级：_ 学号：_-密-封 -线- 标签:标题考试时间：120分钟 考试总分：100分题号一二三四五总分分数遵守考场纪律，维护知识尊严，杜绝违纪行为，确保考试结果公正。1、for (1) service, we need a virtual-circuit subnet. let us see how that works. the idea behind virtual circuits is to avoid having to choose a new (2) for every packet sent. instead, when a connection is establ

2、ished, a route from the (3) machine to the destination machine is chosen as part of the connection setup and stored in tables inside the (4) .that route is used for all traffic flowing over the connection, exactly the same way that the telephone system works. when the connection is released, the vir

3、tual circuit is also terminated. with connection-oriented service, each packet carries an (5) telling which virtual circuit it belongs to.空白（1）处应选择（ ）a.connectionlessb.connection-orientedc.datagramd.telegram2、for (1) service, we need a virtual-circuit subnet. let us see how that works. the idea behi

4、nd virtual circuits is to avoid having to choose a new (2) for every packet sent. instead, when a connection is established, a route from the (3) machine to the destination machine is chosen as part of the connection setup and stored in tables inside the (4) .that route is used for all traffic flowi

5、ng over the connection, exactly the same way that the telephone system works. when the connection is released, the virtual circuit is also terminated. with connection-oriented service, each packet carries an (5) telling which virtual circuit it belongs to.空白（2）处应选择（ ）a.processorb.devicec.routed.term

6、inal3、for (1) service, we need a virtual-circuit subnet. let us see how that works. the idea behind virtual circuits is to avoid having to choose a new (2) for every packet sent. instead, when a connection is established, a route from the (3) machine to the destination machine is chosen as part of t

7、he connection setup and stored in tables inside the (4) .that route is used for all traffic flowing over the connection, exactly the same way that the telephone system works. when the connection is released, the virtual circuit is also terminated. with connection-oriented service, each packet carrie

8、s an (5) telling which virtual circuit it belongs to.空白（3）处应选择（ ）a.sourceb.routec.destinationd.host4、for (1) service, we need a virtual-circuit subnet. let us see how that works. the idea behind virtual circuits is to avoid having to choose a new (2) for every packet sent. instead, when a connection

9、 is established, a route from the (3) machine to the destination machine is chosen as part of the connection setup and stored in tables inside the (4) .that route is used for all traffic flowing over the connection, exactly the same way that the telephone system works. when the connection is release

10、d, the virtual circuit is also terminated. with connection-oriented service, each packet carries an (5) telling which virtual circuit it belongs to.空白（4）处应选择（ ）a.connectionsb.resourcesc.bridgesd.routers5、for (1) service, we need a virtual-circuit subnet. let us see how that works. the idea behind vi

11、rtual circuits is to avoid having to choose a new (2) for every packet sent. instead, when a connection is established, a route from the (3) machine to the destination machine is chosen as part of the connection setup and stored in tables inside the (4) .that route is used for all traffic flowing over the connection, exactly the same way that the telephone system works. when the connection is released, the virtual circuit is also term