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网络工程师每日一练试题内容(2023/7/27)
试题1
TheAddress Resolution Protocol(ARP)wasDeveloped to enableCommunication onAn InternetworkAnd performA required function in IP routing.ARP liesBetween layers( )of the OSI model,andAllowsComputers to introduce each otherAcrossA network prior toCommunication.APR finds the( )address ofA host from its known( )address.BeforeADevice sendsADatagram toAnotherDevice,it looks in itsARPCache to see if there isA MACAddressAndCorresponding IPAddress for theDestinationDevice.If there is no entry,the soureeDevice sendsA( )message to everyDevice on the network.EachDeviceCompares the IPAddress to its own.Only theDevice with the matching IPAddress replies withA packetContaining the MACAddress for theDevice(except in theCase of “proxyARP”).The sourceDeviceAdds the( )device MACAddress to itsARP table for future reference.查看答案
试题参考答案:B 、C 、A 、C 、B
试题2
内聚性和耦合性是度量软件模块独立性的重要准则,软件设计时应力求 ( ) 。
A、高内聚,高耦合
B、高内聚,低耦合
C、低内聚,高耦合
D、低内聚,低耦合
查看答案
试题参考答案:B
试题解析与讨论:www.cnitpm.com/st/87273005.html
试题3
()针对TCP连接进行攻击。查看答案
试题参考答案:A
试题4
网管员在Windows系统中,使用下面的命令∶查看答案
试题参考答案:A
试题解析与讨论:www.cnitpm.com/st/454095568.html
试题5
在 Linux 操作系统中手工安装 Apache 服务器时,默认的 Web 站点的目录为 ( ) 。
A、/etc/httpd
B、/var/log/httpd
C、/etc/home
D、/home/httpd
查看答案
试题参考答案:D
试题解析与讨论:www.cnitpm.com/st/84942925.html
试题6
在IPv4地址192.168.1.0/24中,表示主机的二进制位数是()位。查看答案
试题参考答案:A
试题7
三层网络设计方案中,()是汇聚层的功能。查看答案
试题参考答案:D
试题8
以下关于Cache的叙述中,正确的是 ( ) 。
A、在容量确定的情况下,替换算法的时间复杂度是影响Cache命中率的关键因素
B、Cache的设计思想是在合理成本下提高命中率
C、Cache的设计目标是容量尽可能与主存容量相等
D、CPU中的Cache容量应该大于CPU之外的Cache容量
查看答案
试题参考答案:B
试题解析与讨论:www.cnitpm.com/st/89903095.html
试题9
有较高实时性要求的应用()。查看答案
试题参考答案:C
试题10
Traditional IP packet forwarding analyzes the ( 1)IP address contained in then network layee header of each packet as the packet rravels from its sourse to its final destination. A router analyzes the destination IP address independently at each hop in the network. Dynamic ( 2) protocols or staitic configuration builds the database needed to analyze the destination IP address(the routing table). The process of implementing traditional IP routing also is called hop-by-hop destination-based ( 3)routing. Although successful,and obviously widely deployed,certain restrictions,which have been realized for some time,exist for this method of packet forwarding that diminish its ( 4).New techniques are therefore required to address and expand the functionality of an IP-based network infrastructure. This first chapter concertrates on idenfifying these restrictions.and presents a new architecture,known as multiprotocol( 5)switching,that provides solutions to some of this restrictions. ( 1).A.datagram
B.destination
C.connection
D.service
( 2).A.routing
B.forwarding
C.transmission
D.managerment
( 3).A.anycast
B.multicast
C.broadcast
D.unicast
( 4).A.reliability
B.flexibility
C.stability
D.capability
( 5).A.cost
B.cast
C.mark
D.label
查看答案
试题参考答案:B、A、D、B、D
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