更多"[单选题]DNS queries from two internal "的相关试题:
[单选题]A-B-001 3 2 5
所谓DNS通告是当DNS服务器()时,它将通知选定的DNS服务器进行更新。
A.区域记录发生改变
B.运行状态发生变化
C.重新启动时
D.特定的时间
[单选题]DHCP OFFER 报文可以携带 DNS 地址,但是只能携带一个 DNS 地址。( )【判断题】
A.True
B.False
[判断题]一次完整的网页相应包括一个DNS请求报文，一个DNS回答报文 ，一个HTTP请求报文和一个HTTP响应报文
A.正确
B.错误
[判断题]DNS服务起到域名转换为IP地址的作用，因此一个网络中只能有一台DNS服务器
A.正确
B.错误
[单选题]
A pool of four servers has been partially upgraded for two new servers with more memory and CPU capacity. The BIG-IP Administrator must change the load balance method to consider more connections for the two new servers. Which load balancing method considers pool member CPU and memory load?
A.Round Robin
B.Dynamic Ratio
C.Ratio
D.Least Connection
[单选题]
New Syslog servers have been deployed in an organization. The BIG-IP Administrator must reconfigure the BIG-IP system to send log messages to these servers.
In which location in the Configuration Utility can the BIG-IP Administrator make the needed configuration changes to accomplish this?
A.System > Logs > Configuration
B.System > Configuration > Local Traffic
C.System > Logs > Audit
D.System > Configuration > Device
[单选题]
A BIG-IP Administrator uses backend servers to host multiple services per server. There are multiple virtual servers and pools defined, referencing the same backend servers.
Which load balancing algorithm is most appropriate to have an equal number of connections on each backend server?
A.Least Connections (member)
B.Least Connections (node)
C.Predictive (member)
D.Predictive (node)
[单选题]
A set of servers is used for an FTP application as well as an HTTP website via separate BIG- IP Pools. The server support team reports that some servers are receiving a lot more traffic than others.
Which Load Balancing Method should the BIG-IP Administrator apply to even out the connection count?
A.Ratio (Member)
B.Least Connections (Member)
C.Least Connections (Node)
D.Ratio (Node)
[单选题]
You have a pool of servers that need to be tested. All of the servers but one should be tested every 10 seconds, but one is slower and should only be tested every 20 seconds. How do you proceed?
A.It cannot be done. All monitors test every five seconds.
B.It can be done, but will require assigning monitors to each pool member.
C.It cannot be done. All of the members of a pool must be tested at the same frequency.
D.It can be done by assigning one monitor to the pool and a different monitor to the slower pool member.
[单选题]DNS是用来（ ）。
A.邮件传输
B.超文本传输
C.文本解析
D.域名解析
[单选题]DNS劫持就是( )。
A.在劫持的网络范围外拦截域名解析的请求,分析请求的域名,把审查范围以外的请求放行,否则返回假的IP地址或者什么都不做使请求失去响应。
B.在劫持的网络范围内拦截域名解析的请求,分析请求的域名,把审查范围以外的请求放行,否则返回假的IP地址或者什么都不做使请求失去响应。
C.在劫持的网络范围外拦截域名解析的请求,分析请求的域名,把审查范围内的请求放行,否则返回假的IP地址或者什么都不做使请求失去响应。
D.在劫持的网络范围内拦截域名解析的请求,分析请求的域名,把审查范围内的请求放行,否则返回假的IP地址或者什么都不做使请求失去响应。
[单选题]针对DNS劫持应该()。
A.定期对DNS软件进行更新
B.正确配置区域传输
C.手动将计算机的DNS设置为可信的DNS服务器地址
D.采用分离DNS的方式
[单选题]DNS的中文含义是( )。
A.邮件系统
B.地名系统
C.服务器系统
D.域名服务系统
[判断题]dns是域名解析系统的缩写。
A.正确
B.错误
[多选题]选出正确的移动家宽DNS
A.211.139.5.29
B.61.234.254.6
C.211.139.5.30
D.61.234.254.5
[单选题]域名系统DNS的作用是( )。
A.存放主机域名
B.存放IP地址
C.存放邮件的地址表
D.将域名转换成IP地址
[判断题]DNS服务器使用的UDP端口是53。
A.正确
B.错误
