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Why is NTP an important component when implementing IPSec VPN in a PKI environment？（）
- A、 To ensure the router has the correct time when generating its private/public key pairs.
- B、 To ensure the router has the correct time when checking certificate validity from the remote peers
- C、 To ensure the router time is sync with the remote peers for encryption keys generation
- D、 To ensure the router time is sync with the remote peers during theDH exchange
- E、 To ensure the router time is sync with the remote peers when generating the cookies during IKE phase 1
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更多 “Why is NTP an important component when implementing IPSec VPN in a PKI environment？（）A、 To ensure the router has the correct time when generating its private/public key pairs.B、 To ensure the router has the correct time when checking certificate validity from the remote peersC、 To ensure the router time is sync with the remote peers for encryption keys generationD、 To ensure the router time is sync with the remote peers during theDH exchangeE、 To ensure the router time is sync with the remote peers when generating the cookies during IKE phase 1” 相关考题
考题
一台Cisco路由器某接口的IP地址是192.168.2.110,要在该路由器上配置NTP服务,并将其指定为NTP服务器,需要使用()命令。
A.Router（config）#server192.168.2.110B.Router（config）#ntp serverC.Router（config）#master192.168.2.110D.Router（config）#ntp master
考题
Which operational mode command can be used to synchronize the local system time with an NTP server?()
A. set ntp time 64.32.129.3B. set clock ntp 64.32.129.3C. set time 64.32.129.3D. set date ntp 64.32.129.3
考题
You have 2 NTP servers in your network - 10.1.1.1 and 10.1.1.2. You want to configurationure a Ciscorouter to use 10.1.1.2 as its NTP server before falling back to 10.1.1.1. Which commands will you use toconfigurationure the router？（）A、ntp server 10.1.1.1 ntp server 10.1.1.2B、ntp server 10.1.1.1 ntp server 10.1.1.2 primaryC、ntp server 10.1.1.1 ntp server 10.1.1.2 preferD、ntp server 10.1.1.1 fallback ntp server 10.1.1.2
考题
在NTP客户端和服务器模式中，下列哪种NTP验证组合可以成功同步（）。A、NTP客户端和服务器都使能验证B、NTP客户端和服务器都未使能验证C、NTP客户端使能验证，服务器端没有使能验证D、NTP客户端未使能验证，服务器端使能验证
考题
What is a characteristic of Network Time Protocol？（）A、NTP updates are sent in the timezone they are collected in，and the syslog server will adjust based on the input time.B、NTP authentication verifies the source，not the recipient.C、NTP authentication requires that the recipient has multiple strata clocks to ensure accuracy.D、Secure NTP can be configured to use SHA-1 hashing，since NTP is very insecure.E、A stratum 0 clock should be configured at the core of every network，so it can connect to an accuratetime source.
考题
You have two NTP servers 10.1.1.1 10.1.1.2 and want to configure a router to use 10.1.1.2 as its NTP server before falling back to 10.1.1.1. Which command will you use？
考题
An administrator needs to configure a server (192.168.22.22) as a temporary solution for an NTP master that has stopped working. What is the process for configuring the NTP master?（）A、Edit the /etc/ntp.conf file changing the server line to 'server 127.127.1.0' and add the line 'fudge 127.127.1.0 stratum 0', and then refresh the daemon.B、Edit the /etc/ntp.conf file changing the server line to 'server 127.127.1.0' and add the line 'master 127.127.1.0 stratum 0', and then refresh the daemon.C、Edit the /etc/ntp.conf file changing the server line to 'server 192.168.22.22' and add the line 'fudge 192.168.22.22 stratum 0', and then refresh the daemon.D、Edit the /etc/ntp.conf file changing the server line to 'server 192.168.22.22' and addthe line 'master 192.168.22.22 stratum 0', and then refresh the daemon.
考题
Which configuration command is used to make the ERX Edge Router an NTP server？（）A、 set ntp-serverB、 set ntp serverC、 ntp-server enableD、 ntp server enable
考题
问答题You have two NTP servers 10.1.1.1 10.1.1.2 and want to configure a router to use 10.1.1.2 as its NTP server before falling back to 10.1.1.1. Which command will you use？
考题
单选题Which configuration command is used to make the ERX Edge Router an NTP server？（）A
set ntp-serverB
set ntp serverC
ntp-server enableD
ntp server enable
考题
单选题一台Cisco路由器某接口的IP地址是192.168.2.110，要在该路由器上配置NTP服务，并将其指定为NTP服务器，需要使用（）命令。A
Router（config）#server192.168.2.110B
Router（config）#ntp serverC
Router（config）#master192.168.2.110D
Router（config）#ntp master
考题
单选题Which operational mode command can be used to synchronize the local system with an NTP server?（）A
set ntp time 64.32.129.3B
set clock ntp 64.32.129.3C
set time 64.32.129.3D
set date ntp 64.32.129.3
考题
单选题Which operational mode command can be used to synchronize the local system time with an NTP server?（）A
set ntp time 64.32.129.3B
set clock ntp 64.32.129.3C
set time 64.32.129.3D
set date ntp 64.32.129.3
考题
单选题You have 2 NTP servers in your network - 10.1.1.1 and 10.1.1.2. You want to configurationure a Ciscorouter to use 10.1.1.2 as its NTP server before falling back to 10.1.1.1. Which commands will you use toconfigurationure the router？（）A
ntp server 10.1.1.1 ntp server 10.1.1.2B
ntp server 10.1.1.1 ntp server 10.1.1.2 primaryC
ntp server 10.1.1.1 ntp server 10.1.1.2 preferD
ntp server 10.1.1.1 fallback ntp server 10.1.1.2
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