皮皮学，免费搜题
登录
搜题
【多选题】
蓄电池的充电种类很多,但注意事项基本相同,以下关于充电注意事项说法正确的是:A.
充电时要密切观察蓄电池各单元格的电压和密度的变化，及时判断蓄电池的充电程度和技术状况
B.
充电过程中要密切注意蓄电池的温度变化
C.
在充电情况下不能打开蓄电池的加注塞，以防止电解液溅出
D.
初充电时应该连续进行，不能长时间间断
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】中国山水园林强调表现( ),布局形式以自由、变化、曲折为特点,做到“虽由人作,宛自天开。”
A.
规则和有序 B C D
B.
水法
C.
表现自然美
D.
“虽由人作,宛自天开”
【单选题】Most firewalls include a special computer called a(n) _______ server to manage communications between the internal networks and the outside world.
A.
node switch
B.
base station
C.
client
D.
proxy
【单选题】Which kind of table will be used by most firewalls today to keep track of the connections through thefirewall？（）
A.
reflexive ACL
B.
dynamic ACL
C.
queuing
D.
netflow
E.
state
【单选题】Firewalls may best be compared to ______.
A.
customs officers
B.
firemen
C.
doctors
D.
repairmen
【多选题】Which two statements about stateful firewalls in an enterprise network are true ?(choose two)
A.
They are more susceptible to DoS attacks than stateless firewalls
B.
They can filter HTTP and HTTPS traffic in the inbound direction only
C.
They are most effective when placed in front of the router connected to the internet
D.
They can track the number of active TCP connections
E.
They can use information about previous packets to make decisions about future packets
【简答题】The most common methods of protection are passwords for access control, encryption and decryption systems and firewalls.上述句子的准确含义是:A. 最常用的防护方法是用于访问控制的密码、加密和解密系统以及防火墙。 B. 最常见的保护方法是访问控制,加密和解密系统以及防火墙的密码。...
【简答题】The three common types of firewalls: 、 、 。
【单选题】Which of the following is NOT true according to the text?
A.
Firewalls can protect your computer from any hostile attack.
B.
Intruders can hack into virtually any computer.
C.
A changing IP address is relatively safer.
D.
A static IP address leaves a computer vulnerable to outside attacks.
【单选题】-----How can I get to the wooden tower? ------There are two paths here and , I hear , ___________of them leads to it.
A.
all
B.
both
C.
either
D.
none
相关题目：