计算机网络管理员相同项单选集考试卷模 拟考试题

1、姓名：_ 班级：_ 学号：_-密-封 -线- 计算机网络管理员相同项单选集考试卷模 拟考试题考试时间：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、traditional network layer packet forwarding relies on the information provided by network layer（1）protocols, or static routing, to make an independent（2）decisions at each hop within thenetwor

2、k. the forwarding（3）is based solely on the destination（4）ip address. all packets for thesame destination follow the same path across the network if no other equal-cost paths exist.whenever a router has two equal-cost（5）toward a destination, the packets toward the destinationmight take one or both of

3、 them, resulting in some degree of load sharing.（1）是（ ）a.rotatingb.routingc.transmissiond.management2、traditional network layer packet forwarding relies on the information provided by network layer（1）protocols, or static routing, to make an independent（2）decisions at each hop within thenetwork. the

4、forwarding（3）is based solely on the destination（4）ip address. all packets for thesame destination follow the same path across the network if no other equal-cost paths exist.whenever a router has two equal-cost（5）toward a destination, the packets toward the destinationmight take one or both of them,

5、resulting in some degree of load sharing.（2）是（ ）a.forwardingb.connectingc.routingd.killing3、traditional network layer packet forwarding relies on the information provided by network layer（1）protocols, or static routing, to make an independent（2）decisions at each hop within thenetwork. the forwarding

6、（3）is based solely on the destination（4）ip address. all packets for thesame destination follow the same path across the network if no other equal-cost paths exist.whenever a router has two equal-cost（5）toward a destination, the packets toward the destinationmight take one or both of them, resulting

7、in some degree of load sharing.（3）是（ ）a.connectingb.windowc.decisiond.destination4、traditional network layer packet forwarding relies on the information provided by network layer（1）protocols, or static routing, to make an independent（2）decisions at each hop within thenetwork. the forwarding（3）is bas

8、ed solely on the destination（4）ip address. all packets for thesame destination follow the same path across the network if no other equal-cost paths exist.whenever a router has two equal-cost（5）toward a destination, the packets toward the destinationmight take one or both of them, resulting in some d

9、egree of load sharing.（4）是（ ）a.anycastb.multicastc.broadcastd.unicast5、traditional network layer packet forwarding relies on the information provided by network layer（1）protocols, or static routing, to make an independent（2）decisions at each hop within thenetwork. the forwarding（3）is based solely on

10、 the destination（4）ip address. all packets for thesame destination follow the same path across the network if no other equal-cost paths exist.whenever a router has two equal-cost（5）toward a destination, the packets toward the destinationmight take one or both of them, resulting in some degree of loa

11、d sharing.（5）是（ ）a.pathsb.statesc.systemsd.connections6、a management domain typically contains a large amount of management information. each individual item of（1）information is an instance of a managed object type. the definition of arelated set of managed（2）types is contained in a management infor

12、mation base(mib) module. many such mib modules are defined. for each managed object type it describes, a mib（3）defines not only the semantics and syntax of that managed object type, but also the method ofidentifying an individual instance so that multiple（4）of the same managed object type can bedist

13、inguished. typically, there are instances of each managed object（5）within a managementdomain.（1）是（ ）a.rotationb.switchc.managementd.transmission7、a management domain typically contains a large amount of management information. each individual item of（1）information is an instance of a managed object

14、type. the definition of arelated set of managed（2）types is contained in a management information base(mib) module. many such mib modules are defined. for each managed object type it describes, a mib（3）defines not only the semantics and syntax of that managed object type, but also the method ofidenti

15、fying an individual instance so that multiple（4）of the same managed object type can bedistinguished. typically, there are instances of each managed object（5）within a managementdomain.（2）是（ ）a.pathb.objectc.routed.packet8、a management domain typically contains a large amount of management information

16、. each individual item of（1）information is an instance of a managed object type. the definition of arelated set of managed（2）types is contained in a management information base(mib) module. many such mib modules are defined. for each managed object type it describes, a mib（3）defines not only the sem

17、antics and syntax of that managed object type, but also the method ofidentifying an individual instance so that multiple（4）of the same managed object type can bedistinguished. typically, there are instances of each managed object（5）within a managementdomain.（3）是（ ）a.connectionb.windowc.moduled.desti

18、nation9、a management domain typically contains a large amount of management information. each individual item of（1）information is an instance of a managed object type. the definition of arelated set of managed（2）types is contained in a management information base(mib) module. many such mib modules a

19、re defined. for each managed object type it describes, a mib（3）defines not only the semantics and syntax of that managed object type, but also the method ofidentifying an individual instance so that multiple（4）of the same managed object type can bedistinguished. typically, there are instances of eac

20、h managed object（5）within a managementdomain.（4）是（ ）a.packetsb.searchesc.statesd.instances10、a management domain typically contains a large amount of management information. each individual item of（1）information is an instance of a managed object type. the definition of arelated set of managed（2）typ

21、es is contained in a management information base(mib) module. many such mib modules are defined. for each managed object type it describes, a mib（3）defines not only the semantics and syntax of that managed object type, but also the method ofidentifying an individual instance so that multiple（4）of th

22、e same managed object type can bedistinguished. typically, there are instances of each managed object（5）within a managementdomain.（5）是（ ）a.deviceb.statec.typed.packet11、we have already covered the topic of network addresses. the first（1）in a block (in class a, b, and c) defines the network address.

23、in classes a, b, and c, if the hosted is all 1 s, the addressis called a direct broadcast address. it is used by a（2）to send a packet to all hosts in a specificnetwork. all hosts will accept a packet having this type of destination address. note that thisaddress can be used only as a（3）address in an

24、 ip packet. note also that this special addressalso reduces the number if available hosted for each netid in classes a, b, and c.in classes a, b, and c, an address with all 1 s for the netid and hosted (32 bits) define a（4）address in the current network. a host that wants to send a message to every

25、other hosts can use this address as destinationaddress in an ip packet. however, a router will block a packet having this type of address to confine thebroadcasting to the（5）network. note that this address belongs to class e.（1）是（ ）a.datagramb.functionc.addressd.service12、we have already covered the

26、 topic of network addresses. the first（1）in a block (in class a, b, and c) defines the network address. in classes a, b, and c, if the hosted is all 1 s, the addressis called a direct broadcast address. it is used by a（2）to send a packet to all hosts in a specificnetwork. all hosts will accept a pac

27、ket having this type of destination address. note that thisaddress can be used only as a（3）address in an ip packet. note also that this special addressalso reduces the number if available hosted for each netid in classes a, b, and c.in classes a, b, and c, an address with all 1 s for the netid and h

28、osted (32 bits) define a（4）address in the current network. a host that wants to send a message to every other hosts can use this address as destinationaddress in an ip packet. however, a router will block a packet having this type of address to confine thebroadcasting to the（5）network. note that thi

29、s address belongs to class e.（2）是（ ）a.routerb.switchc.hubd.firewall13、we have already covered the topic of network addresses. the first（1）in a block (in class a, b, and c) defines the network address. in classes a, b, and c, if the hosted is all 1 s, the addressis called a direct broadcast address.

30、it is used by a（2）to send a packet to all hosts in a specificnetwork. all hosts will accept a packet having this type of destination address. note that thisaddress can be used only as a（3）address in an ip packet. note also that this special addressalso reduces the number if available hosted for each

31、 netid in classes a, b, and c.in classes a, b, and c, an address with all 1 s for the netid and hosted (32 bits) define a（4）address in the current network. a host that wants to send a message to every other hosts can use this address as destinationaddress in an ip packet. however, a router will bloc

32、k a packet having this type of address to confine thebroadcasting to the（5）network. note that this address belongs to class e.（3）是（ ）a.sourceb.destinationc.locald.remote14、we have already covered the topic of network addresses. the first（1）in a block (in class a, b, and c) defines the network addres

33、s. in classes a, b, and c, if the hosted is all 1 s, the addressis called a direct broadcast address. it is used by a（2）to send a packet to all hosts in a specificnetwork. all hosts will accept a packet having this type of destination address. note that thisaddress can be used only as a（3）address in

34、 an ip packet. note also that this special addressalso reduces the number if available hosted for each netid in classes a, b, and c.in classes a, b, and c, an address with all 1 s for the netid and hosted (32 bits) define a（4）address in the current network. a host that wants to send a message to eve

35、ry other hosts can use this address as destinationaddress in an ip packet. however, a router will block a packet having this type of address to confine thebroadcasting to the（5）network. note that this address belongs to class e.（4）是（ ）a.unicastb.multicastc.broadcastd.anycast15、we have already covere

36、d the topic of network addresses. the first（1）in a block (in class a, b, and c) defines the network address. in classes a, b, and c, if the hosted is all 1 s, the addressis called a direct broadcast address. it is used by a（2）to send a packet to all hosts in a specificnetwork. all hosts will accept

37、a packet having this type of destination address. note that thisaddress can be used only as a（3）address in an ip packet. note also that this special addressalso reduces the number if available hosted for each netid in classes a, b, and c.in classes a, b, and c, an address with all 1 s for the netid

38、and hosted (32 bits) define a（4）address in the current network. a host that wants to send a message to every other hosts can use this address as destinationaddress in an ip packet. however, a router will block a packet having this type of address to confine thebroadcasting to the（5）network. note tha

39、t this address belongs to class e.（5）是（ ）a.neighborb.nextc.remoted.local16、one of the main responsibilities of icmp is to report（1）. although technology has produced increasingly reliable transmission media, errors still exist and must be handled. ip is an（2）protocol. this means that error checking

40、and error control are not a concem ofip jcmp wasdesigned, in part, to compensate for this shortcoming. howerver, icmp does not（3）errors, itsimply reports them. error correction is left to the higher-level protocols. error messages arealways sent to the original（4）because the only information availab

41、le in the datagram aboutthe route is the source and destination 1p addresses. icmp uses the source ip address to send theerror massage to the source of the（5）（1）是（ ）a.numbersb.functionsc.stringsd.errors17、one of the main responsibilities of icmp is to report（1）. although technology has produced incr

42、easingly reliable transmission media, errors still exist and must be handled. ip is an（2）protocol. this means that error checking and error control are not a concem ofip jcmp wasdesigned, in part, to compensate for this shortcoming. howerver, icmp does not（3）errors, itsimply reports them. error corr

43、ection is left to the higher-level protocols. error messages arealways sent to the original（4）because the only inl18、one of the main responsibilities of icmp is to report（1）. although technology has produced increasingly reliable transmission media, errors still exist and must be handled. ip is an（2

44、）protocol. this means that error checking and error control are not a concem ofip jcmp wasdesigned, in part, to compensate for this shortcoming. howerver, icmp does not（3）errors, itsimply reports them. error correction is left to the higher-level protocols. error messages arealways sent to the origi

45、nal（4）because the only information available in the datagram aboutthe route is the source and destination 1p addresses. icmp uses the source ip address to send theerror massage to the source of the（5）（3）是（ ）a.correctb.conductc.produced.connect19、one of the main responsibilities of icmp is to report

46、_. although technology has produced increasingly reliable transmission media, errors still exist and must be handled. ip is an _ protocol. this means that error checking and error control are not a concem ofip jcmp wasdesigned, in part, to compensate for this shortcoming. howerver, icmp does not _ e

47、rrors, itsimply reports them. error correction is left to the higher-level protocols. error messages arealways sent to the original _ because the only information available in the datagram aboutthe route is the source and destination 1p addresses. icmp uses the source ip address to send theerror mas

48、sage to the source of the _.（ ）a.userb.destinationc.sourced.program20、one of the main responsibilities of icmp is to report _. although technology has produced increasingly reliable transmission media, errors still exist and must be handled. ip is an _ protocol. this means that error checking and er

49、ror control are not a concem ofip jcmp wasdesigned, in part, to compensate for this shortcoming. howerver, icmp does not _ errors, itsimply reports them. error correction is left to the higher-level protocols. error messages arealways sent to the original _ because the only information available in

50、the datagram aboutthe route is the source and destination 1p addresses. icmp uses the source ip address to send theerror massage to the source of the _.（ ）a.datagramb.framec.serviced.protocol21、the presentation layer is concerned with the（1）and semantics of the information exchanged between two syst

51、ems. the processes in two systems are usually exchanginginformation in the form of character（2）numbers, and so on. the information should bechanged to bit（3）before being transmitted. because different encoding systems, thepresentation layer is responsible for（4）between these different encoding metho

52、ds. thepresentation layer at the sender changes the information from its sender-dependent format into acommon format. the presentation layer at the receiving machine changes the common format intoits（5）dependent format.（1）是（ ）a.frequencyb.syntaxc.dialogd.format22、the presentation layer is concerned

53、with the（1）and semantics of the information exchanged between two systems. the processes in two systems are usually exchanginginformation in the form of character（2）numbers, and so on. the information should bechanged to bit（3）before being transmitted. because different encoding systems, thepresenta

54、tion layer is responsible for（4）between these different encoding methods. thepresentation layer at the sender changes the information from its sender-dependent format into acommon format. the presentation layer at the receiving machine changes the common format intoits（5）dependent format.（2）是（ ）a.nu

55、mbersb.functionsc.stringsd.codes23、the presentation layer is concerned with the（1）and semantics of the information exchanged between two systems. the processes in two systems are usually exchanginginformation in the form of character（2）numbers, and so on. the information should bechanged to bit（3）be

56、fore being transmitted. because different encoding systems, thepresentation layer is responsible for（4）between these different encoding methods. thepresentation layer at the sender changes the information from its sender-dependent format into acommon format. the presentation layer at the receiving machine changes the common format intoits（5）dependent format.（3）是（ ）a.systemsb.charactersc.layersd.streams24、the presentation layer is concerned with the（1）and semantics of the information exchanged between two systems. the processes in two systems are usually exchanginginformation in the form of