首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
计算机
Which of the following correctly describe steps in the OSI data encapsulation process?
Which of the following correctly describe steps in the OSI data encapsulation process?
admin
2019-04-08
96
问题
Which of the following correctly describe steps in the OSI data encapsulation process?
选项
A、 The transport layer divides a data stream into segments and may add reliability and flow control information.
B、 The data link layer adds physical source and destination addresses and an FCS to the segment.
C、 Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.
D、 Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
E、 The presentation layer translates bits into voltages for transmission across the physical link.
答案
A,D
解析
传输层将数据分段,并且加入flow control等信息。在网络层就将数据进行打包,并加上ip包头,链路层。将包进行成Frame,封装二层头部
转载请注明原文地址:https://kaotiyun.com/show/YphZ777K
本试题收录于:
思科640802题库思科认证分类
0
思科640802
思科认证
相关试题推荐
WhileAmericanshavebecomeevermoredependentuponelectricityintheirdailylives,acrucialpartofthesystemthatsupport
Conversationsaboutelderlyparentsandtechnologyusuallycenteronsafety,inparticularondevicesdesignedtoalertacallc
Peopleare,onthewhole,pooratconsideringbackgroundinformationwhenmakingindividualdecisions.Atfirstglancethismigh
Peopleare,onthewhole,pooratconsideringbackgroundinformationwhenmakingindividualdecisions.Atfirstglancethismigh
TwistedEducationWriteanessayof160-200wordsbasedonthedrawing.Inyouressay,youshould1)describethedrawin
UsingFacebookmakespeoplesadder,atleastaccordingtosomeresearch.Burjustwhatisitaboutthesocialnetworkthattakes
Clearly,aperson’sdecisionsaredeterminedbycircumstances.Experimentsconductedoverthepastfewyearshaverevealedthat
WhatwillanEthernetswitchdoifitreceivesaunicastframewithadestinationMACthatislistedintheswitchtable?
随机试题
AB>SB表示SB增高表示
本病最先考虑的诊断是本例做静脉压测定,最有可能出现的结果是
药材断面中间有一条黄棕色的线纹,有浓烈香气,味微甜、辛辣。此药材是
天麻苷属于芦荟苷属于
生长快,转移早,恶性度高,对放化疗敏感的肺癌是()。
背景某施工单位承建了天津市某医院门诊楼工程。地下2层、地上16层,钢筋混凝土筏板基础,地上结构为钢筋混凝土框架结构,墙充填为普通混凝土小型空心砌块。施工过程中发生如下事件:事件一:本工程基坑深8.5m,北侧紧邻某住宅楼。经专家论证后的方案采用围护桩墙+
根据《文物保护法》规定,历史上各时代的可移动文物分为()。
解不等式组并在数轴上把解集表示出来.
Withthedevelopmentoftheglobaleconomy,manycompaniesstatetheirbasicobjectiveofengaginginaworldwidemanufacturing
LookingtotheFuture—2040Doyouforgettoturnoffthelightsandheaterswhenyougooutofaroom?In2040itwillnot
最新回复
(
0
)