A user connects to the companys intranet server via a VPN connection from a small office / home office （SOHO） using the broadband service. One day， the user cannot successfully connect to the VPN and receives an error message that states "Username and pas

题目

A user connects to the companys intranet server via a VPN connection from a small office / home office （SOHO） using the broadband service. One day， the user cannot successfully connect to the VPN and receives an error message that states "Username and password are invalid on the domain." Which of the following should be done to correct this problem？（）

A、Call the corporate help desk to have the VPN server rebooted
B、Re-enter the username and password in the VPN connection and reconnect
C、Call the broadband Internet provider to replace the SOHO router with a newer model
D、Ping the corporate VPN server to ensure it is online

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第1题

Users of your web application have requested that they should be able to set the duration of their sessions.So for example， one user might want a webapp to stay connected for an hour rather than the webapp’sdefault of fifteen minutes； another user might want to stay connected for a whole day. Furthermore， youhave a special login servlet that performs user authentication and retrieves the User object from the database. You want to augment this code to set up the user’s specified session duration. Which codesnippet in the login servlet will accomplish this goal？（）A、User user = // retrieve the User object from the database session.setDurationInterval（user.getSessionDuration（））；B、User user = // retrieve the User object from the database session.setMaxDuration（user.getSessionDuration（））；C、User user = // retrieve the User object from the database session.setInactiveInterval（user.getSessionDuration（））；D、User user=//retrieve the User object from the database session.setDuration（user.getSessionDuratio（））；E、User user = // retrieve the User object from the database session.setMaxInactiveInterval（user.getSessionDuration（））；

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第2题

A user typically connects to the Internet in one of two ways： dedicated access and（）access.A、 broadcastingB、 point-to-pointC、 dial-upD、 Internet

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第3题

如果想要在JSP中使用user包中的User类，则以下写法正确的是（）。 A、 B、 C、 D、

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第4题

在JSP中要使用user包中的User类，则以写法正确的是（）。A、〈jsp:useBean id="user" class="user.User" scope="page"/〉B、〈jsp:useBean class="user.Use.class"/〉C、〈jsp:useBean name="user" class="user.User"/〉D、〈jsp:useBeam id="user" class="user" import="user.*"/〉

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第5题

Which statement is true about Foreign Exchange Station （FXS） ports on a router？（）A、The FXS interface allows an analog connection to be directed at the public switched telephone network （PSTN’s） central office.B、The FXS interface connects directly to a standard telephone，fax machine，or similar device and supplies ring，voltage，and dial tone.C、The FXS interface connects directly to an IP phone and supplies ring，voltage，and dial tone.D、The FXS interface connects directly to ISDN voice channels.

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第6题

Which of the following is the MOST accurate description of a L2/L3 switch?（）A、Performs switching and routing dutiesB、A router that directly connects to a switchC、A multi-purpose switch fabric used in full mesh environmentsD、A switch that directly connects to a router

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第7题

When a non-root user connects to a JUNOS platform and enters a username and password, the user is immediately placed at which level?（）A、UNIX shellB、user level CLIC、configuration modeD、operational mode

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A user connects̳

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