60 years.
between 5 and 10 years.
over 60 years.
less than five years.
Rainfall in most of the Sahara is________.A) less than five inches per year B) less than ten inches per year C) less than twenty inches per year D) zero
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How long have you worked here?（）A、Since about two years.B、I do not know.C、For about two years.D、Who knows.
You are designing the site topology for the internal domain. Which action or actions should you perform?（）A、Create a Single Site.B、Create a site for each physical location.C、Set the replication interval on the default IP site link to 60 Minutes.D、Configure the schedule of the default IP site link to only allow replication between the hours of 9:00 PM and 5:00 AM.E、Configure the schedule of the default IP site link to only allow replication between the hours of 3:00 AM and 11:00 AM.
A customer intends to implement a Fibre Channel SAN at the production site. Replication will take place over a 10 kilometer Ethernet connection to a second site; however, only IP storage connectivity currently exists at the second site. Which is the most appropriate method of replication in this situation?（）A、FC routingB、FCoE connectionC、FC-IP tunnelingD、multi-protocol router
You want to track and store all transactional changes to a table over its lifetime. To accomplish this task， you enabled Flashback Data Archive with the retention of 5 years. After some time， the business requirement changed and you were asked to change the retention from 5 years to 3 years. To accomplish this， you issued the following command： ALTER FLASHBACK ARCHIVE fla1 MODIFY RETENTION 3 YEAR； What is the implication of this command？（）A、 The command produces an error because the retention time cannot be reduced.B、 All historical data is retained but the subsequent flashback data archives are maintained for only three years.C、 All historical data is purged and the new flashback data archives are maintained for three years.D、 All historical data older than three years is purged from the flashback archive FLA1.
You work as a network administrator for Tailspintoys.com. Your job responsibilities include supporting company servers. The Tailspintoys.com network hosts a Web server that runs on a single server namedWebsrv1. Recently， traffic to the Web site has been increasing， and the performance of the Web serverhas been deteriorating. Traffic to the Web site is expected to continue to increase over the next five toeight years. You want a solution that can solve the performance problems of the Web server and meet theincreasing workload requirements for the Web site for the next five to eight years. What should you do？（）A、Migrate the Web site to a more powerful server.B、Use NLB to create a Web farm to support the Web site.C、Use failover clustering to support the Web site with multiple servers in a cluster.D、Add a second Web server， and then use DNS round-robin to distribute Web requests between the twoservers. Add more servers as necessary.
单选题A customer intends to implement a Fibre Channel SAN at the production site. Replication will take place over a 10 kilometer Ethernet connection to a second site; however, only IP storage connectivity currently exists at the second site. Which is the most appropriate method of replication in this situation?（）A FC routingB FCoE connectionC FC-IP tunnelingD multi-protocol router
