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网络工程师每日一练试题(2021/10/19)

2021年10月20日来源:信管网 作者:cnitpm

网络工程师当天每日一练试题地址:www.cnitpm.com/exam/ExamDay.aspx?t1=8

往期网络工程师每日一练试题汇总:www.cnitpm.com/class/27/e8_1.html

网络工程师每日一练试题(2021/10/19)在线测试:www.cnitpm.com/exam/ExamDay.aspx?t1=8&day=2021/10/19

点击查看:更多网络工程师习题与指导

网络工程师每日一练试题内容(2021/10/19)

试题1: IDS设备的主要作用是()。
A.用户认证
B.报文认证
C.入侵检测
D.数据加密
试题解析与讨论:www.cnitpm.com/st/2394227363.html
试题参考答案:C

试题2: Thede facto standard Application Program Interface (API) for TCP/IP applicationsis the “sockets” interface. Although this API was developed for (1) in the early 1960s it has also been implemented on a widevariety of no-Unix systems. TCP/IP (2) Writtenusing the sockets API have in the past enjoyed a high degree of portability andwe would like the same (3) with IPv6applications. But changes are required to the sockets API to support IPv6 andthis memo describes these changes. These include a new socket address structureto carry IPv6 (4) ,new address conversion functions,and some new socket options. These extensions are designed to provide access tothe basic IPv6 features requited by TCP and UDP applications, includingmulticasting, while introducing a minimums of change into the system and providingcomplete (5) for existing IPv4 applications.
(1)A.Windows
B.Linux
C.Unix
D.DOS
(2)A.applications
B.networks
C.protocols
D.systems
(3)A.portability
B.availability
C.calability
D.reliability
(4)A.connections
B.protocols
C.networks
D.address
(5)A.availability
B.compatibility
C.capability
D.reliability
试题解析与讨论:www.cnitpm.com/st/2377516881.html
试题参考答案:C、A、A、D、B

试题3: IPv6链路本地单播地址的前缀为(1),可聚集全球单播地址的前缀为 (2) 。
(1)A.001
B.1111 1110 10
C.1111 1110 11
D.1111 1111
(2)A.001
B.1111 1110 10
C.1111 1110 11
D.1111 1111
试题解析与讨论:www.cnitpm.com/st/237682449.html
试题参考答案:B、A

试题4: If two communicating entities are in different hosts connected by a network,there is a risk that PDUs will not arrive inthe order inwhich theywere sent , becausethey may traverse(70)paths through the network. If each PDUs is given a uniquenumber,andnumbersareassigned(71),thenit isa logicallysimpletaskforthereceivingentityto reorder(72 )PDUsonthebasisofsequence number.Aproblem with this scheme is that,with a(73)sequence number field, sequence number will repeat.Evidently , the maximumsequence numbermustbe(74)thanthemaximumnumber ofPDUsthatcouldbe outstandingat anytime.
(70)A.same
B.different
C.single
D.Unique
(71)A.randomly
B.equally
C. uniformly
D. Sequentially 
(72)A.received
B.sent
C.transmitting
D.Forwarding
(73)A.various
B.diverse
C.finite
D.infinite 
(74)A.smaller
B.greater
C.less
D.More
试题解析与讨论:www.cnitpm.com/st/3956410898.html
试题参考答案:B、D、A、C、B

试题5

在RMON中,实现捕获者(capture)时必须实现 ( ) 。
A、事件组(event)
B、过滤组(filter)
C、警报组(alarm)
D、主机组(host)

试题解析与讨论:www.cnitpm.com/st/85712951.html
试题参考答案:B

试题6

ADSL 采用多路复用技术是 (1) ,最大传输距离可达 (2) 米。
(1)A、TDM
B、FDM
C、WDM
D、CDMA
(2)A、500
B、1000
C、5000
D、10000

试题解析与讨论:www.cnitpm.com/st/84912924.html
试题参考答案:B、C

试题7: 以下属于万兆以太网物理层标准的是( )。
A.IEEE802.3u
B.IEEE802.3a
C.IEEE802.3e
D.IEEE802.3ae
试题解析与讨论:www.cnitpm.com/st/233813108.html
试题参考答案:D

试题8: 在没有选项和填充的情况下.IPv4数据报报头长度域的值应该为( )
A.3
B.4
C.5
D.6
试题解析与讨论:www.cnitpm.com/st/316134647.html
试题参考答案:C

试题9

( )  是指按内容访问的存储器。
A、虚拟存储器
B、相联存储器
C、高速缓存(Cache)
D、随机访问存储器

试题解析与讨论:www.cnitpm.com/st/89303075.html
试题参考答案:B

试题10

下面的交换机命令中哪一条为端口指定VLAN? ( )
A、S1(config-if)# vlan-membership static
B、S1(config-if)# vlan database
C、S1(config-if)# switchport mode access
D、S1(config-if)# switchport access vlan 1

试题解析与讨论:www.cnitpm.com/st/87133000.html
试题参考答案:D

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