You have created a dial-up connection to your Internet service provider (ISP) on your home computer. You configure the dial-up connection Security tab as shown in the Dial-up Security dialog box. You attempt to connect to the ISP. You view the status change from Dialing to Verifying user name and password. After several seconds, the status changes to Disconnecting. You are the disconnected from the computer you dialed. You verify that your user name and password are entered correctly. You want to enable your computer to connect to your ISP. What should you do?（） ["Instruct your ISP to configure your account to support Multilink.","Configure your connection to allow unsecured passwords.","Configure your connection to use a UNIX SLIP server.","Configure your connection to enable data encryption."]
元朝
有下列（）情形之一的，应当从重或者加重处分。（第19条） ["在纪律集中整饬过程中，不收敛、不收手的","强迫、唆使他人违纪的","违反政治纪律的","本条例另有规定的"]
在双代号或单代号网络计划中，判别关键工作的条件是该工作（）。 ["自由时差最小","与其紧后工作之间的时间间隔为零","持续时间最长","最迟开始时间与最早开始时间的差值"]
Refer to the exhibit. Router RTA has been configured as a DHCP server. The two debug commands will generate output on RTA when Ho st A requests an IP address. Which set of DHCPD debug messages is in the correct sequence?（） ["DHCPD: Sending DHCPOFFER to client DHCPD: DHCPDISCOVER received from client DHCPD: DHCPREQUEST received from client DHCPD: Sending DHCPACK to client","DH CPD: DHCPDISCOVER received from client DHCPD: DHCPREQUEST received from client DHCPD: Sending DHCPOFFER to client DHCPD: Sending DHCPACK to client","DHCPD: DHCPDISCOVER received from client DHCPD: Sending DHCPOFFER to client DHCPD: DHCPREQUEST received from client DHCPD: Sending DHCPACK to client","DHCPD: DHCPREQUEST received from client DHCPD: Sending DHCPOFFER to client DHCPD: DHCPDISCOVER received from client DHCPD: Sending DHCPACK to client","DHCPD: Sending DHCPACK to client DHCPD: DHCPD ISCOVER received from client DHCPD: Sending DHCPOFFER to client DHCPD: DHCPREQUEST received from client","DHCPD: DHCPDISCOVER received from client DHCPD: Sending DHCPACK to client DHCPD: Sending DHCPOFFER to client DHCPD: DHCPREQUEST received from client"]
常用的流媒体协议有哪些？简述各种流媒体协议的特点。
