When QoS levels in the Cisco Wireless Control System (WCS) are entered, which profile names are used to identify the access categories?() [" platinum, gold, silver, and bronze"," voice, gold, silver, and bronze"," low delay, network critical, business, best effort"," voice, video, background gold, background silver, and best effort"," voice, video, best effort, and background"," voice, video, best effort, background, and scavenger"]
清代学者顾栋高在《春秋大事表》中指出:“有土之诸侯未必皆贤,即使因其不贤而易置之,而其政令不能尽出于王朝,其民之视听不能尽属于天子。故常散而不能聚,弱而不能强。其易而县邑也,则不然。”由此可知春秋时期()。 ["分封制完全被县邑制取代","中央集权雏形开始出现","各级官员由皇帝直接任免","天子不再直接统治臣民"]
下列关于Modem说法中有错误的是() ["发端Modem的作用是把计算机发出的数字电信号调制成便于在电话线上传送的模拟电信号。","收端Modem的作用是把从电话线上接收的模拟电信号解调成原来的数字电信号发给计算机。","调制解调器(Modem)分为内置式和外置式。内置式Modem其实就是一块计算机的扩展卡,插入计算机内的一个扩展槽内即可使用,它无需占用计算机的串行端口。","外置式Modem则是一个放在计算机外部的盒式装置,它需占用电脑的一个串行端口,不需要接单独的电源才能工作。外置式Modem安装和拆卸容易,还便于携带。"]
有关丙型肝炎下列哪项是正确的() ["HCV只能通过输血传播","血清抗HCV是有保护性抗体","丙型肝炎临床表现与乙型肝炎相似,但黄疽发生率较乙型肝炎高","慢性丙型肝炎的发生率很高","急性丙型肝炎时不应使用干扰素抗病毒治疗"]
A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table ona Company router named R1. The following information is available from this router: R1 Configuration: router bgp 65001 network 10.0.0.0 neighbor 172.16.1.1 remote-as 65002 no auto-summary Routing table information: show ip route include 10 O 10.10.10.0/24 [110/11] via 192.168.1.1, 2d00h, Ethernet0/0 Why is this prefix not in the local BGP table of the R1?() ["The 172.16.1.1 neighbor is down.","The prefix 10.10.10.0\/24 is not a ’connected’ route","This route is not a BGP learned route","The network command is wrong","None of the other alternatives apply"]
生物对环境产生很大作用,它能改变(),影响水循环,并参与岩石和土壤的形成。