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发表于 2011-02-06 08:38 |只看该作者 |倒序浏览

最新642-342考題分享1.What is the correct TCP three-way handshake connection setup?A.SYN -FIN -ACKB.SYN -DATA -FINC.SYN -DATA -ACKD.SYN -SYN/ACK -ACKE.SYN -SYN/ACK -FIN/ACKAnswer: D2.Which two statements are true about Content Routers in Application and Content Networking System?(Choose two.)A.Content Routers store on-demand and pre-positioned content.B.Content Routers route content to the edges of a content network.C.Content Routers contain the IGP routing tables for the routed domain.D.Content Routers act as authoritative DNS servers for the routed domain.E.Content Routers choose the most suitable Content Engines to handle a particular clients request.Answer: D E3.You are using the active/standby method to implement a high availability Content Switching design.What are three benefits? (Choose three.)A.less expensiveB.easier to troubleshootC.predictable traffic pathD.increases the overall performanceE.predictable failover behaviorAnswer: B C E4.An NTLM-authenticated user is promoted for login name and password when attempting to access the public Internet. What happens to the user's request if he cannot provide valid user credentials?A.Access to the Internet will be allowed and the user's Internet activities will be logged by IP address.B.The user will be denied all access to the Internet.C.User access to the Internet will have less priority, resulting in slower Internet access than authenticated users.D.The user's manager will receive an automatic notification that the user failed to provide valid credentials.Answer: B5.The transaction-logs enable command enables transaction logging. Which file will contain the WMT server logs?A.local1/logs working.logB.local1/logs/wmt.logC.local1/logs/export/working.logD.local1/service_logs/wmt_start_log_latestAnswer: C6.What are three benefits of terminating SSL traffic in a Content Switch? (Choose three.)A.eliminates the need for SSLB.maintains security by allowing data to be decrypted, processed, and re-encrypted within a single deviceC.enables the Content Switch to make load balancing decisions on HTTP-layer informationD.reduces the number of digital certificates required in most web hosting environmentsE.reduces or eliminates server burden of negotiating SSL handshakesAnswer: B C E7.Why is the three-way handshake mechanism required for TCP session establishment?A.It keeps both sides of a connection from timing out.B.It ensures that both ends of a connection are synchronously established.C.There is less chance of interference and the session getting dropped.D.It ensures the connection is established between the correct stations.Answer: B8.What is the primary function of DNS?A.to replace DHCPB.to host file managerC.to serve as a source location on the InternetD.to resolve a client IP address to a MAC addressE.to serve as a host name to IP address resolutionAnswer: E9.You should configure content playback and replication bandwidth through the _____ GUI.A.Content EngineB.Content RouterC.Content Services SwitchD.Content Distribution ManagerAnswer: D10.You are using Content Switching for Server Load Balancing. What is the purpose of stickyconnections?A.They ensure that a TCP session remains active.B.They ensure an even load balanced server farm.C.They provide the ability to have connections from a client directed to the same server.D.They provide a means to collect statistics for an electronic commerce application within acontentnetwork.E.They provide the ability to have connections from a client directed to multiple servers without losingsession information.Answer: C

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