H3C产品的第三方认证方面,下面哪些说法是正确的:()
A. 全线交换机产品满足欧盟,北美,德国,日本,俄罗斯等国家和地区最严格的EMC和安规要求
B. 大部分交换机产品通过了Tolly,Sprint等权威机构的测试认证
C. H3C产品完全满足欧盟和中国RoHS标准
You have a file server named Server1 that runs Windows Server 2003 Service Pack (SP2). Server1 has a 10-gigabit network adapter and is connected to a 100-Mb switch. You replace the 100-Mb switch by using a 1-GB switch. You discover that copying files to Server1 over the network is slow. You need to reduce the amount of time it takes to copy files to Server1 over the network. Which connection type should you specify for the network adapter? ()
A. 1-gigabit half-duplex
B. 1-gigabit full-duplex
C. 10-gigabit half-duplex
D. 10-gigabit full-duplex