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[多选] VOIP has been implemented at the main office of the Company network. Which two statements  are true about voice packets in a LAN?()

A .  Voice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media  portion of the VoIP communication.  
B .  Voice traffic data flow involves large volumes of large packets.  
C .  Because a packet loss involves a small amount of data, voice traffic is less affected by packet  losses than traditional data traffic is.  
D .  Voice packets are encapsulated in TCP segments to allow for proper sequencing during  delivery. 
E .  Voice packets are very sensitive to delay and jitter.&e

Which of the following routing components is used for sending messages to other SMTP hosts?() Routing group。 Send connector。 DNS。 Delivery agent。 自我意识。 You have a computer that runs Windows Vista. The computer has one partition and 1 GB of RAM. Youneed to upgrade the computer to Windows 7.  What should you do first?() Add 1 GB of RAM.。 Create a second partition.。 Disable User Account Control (UAC).。 Install Windows Vista Service Pack 2 (SP2).。 You work as the IT professional in an international company which is named Wiikigo. You are experiencedin implementing and administering a network operating system. You are specialized in deploying servers,configuring Windows Server 2008 Terminal services and network application services, and configuring aweb services infrastructure. Windows Server 2008 is run by your company. The company network isconfigured as an Active Directory domain named wiikigo.com. The network has a Web server namedWEB1. The domain users use http://web1 to access WEB1. You have a self-signed certificate generatedfor WEB1 and have WEB1 configured to use SSL. Now you receive report from users saying that they geta warning message when they use https://web1 to connect to WEB1.You have to make sure that users can connect to WEB1 without receiving a warning message. So what action should you perform?() Join WEB1 to the wiikigo.com domain. Reissue the self-signed certificate. Request all the users to connect to WEB1 by using https: //web1.wiikigo.com.。 Create a DNS Host (A) Record for WEB1 in the wiikigo.com zone. Reissue the self-signed certificate.Request all the users to connect to WEB1 by using https: //web1.wiikigo.com.。 The https: //web1 name should be added to the list of Trusted Sites zone on all the computers in the domain.。 Open the Certificates snap-in on WEB1. The self-signed certificate should be exported to a web1.cerfile.Have the web1.cer file installed on all the computers in the domain.。 某企业1994年度利润总额为116,000元,资产总额期初为1017,450元,其末数为1208,650元;该年度企业实收资本为750,000元;年度销售收入为396,000元,年度销售成本为250,000元,销售费用6,5000元,销售税金及附加6,600元,管理费用8,000元,财务费用8,900元;年度所有者权益年初数793,365元,年末数为814,050元。销售利润率 VOIP has been implemented at the main office of the Company network. Which two statements  are true about voice packets in a LAN?()
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