R1 router clock is synchronized with ISP router. R2 is supposed to receive NTP updates from R1. But you observe that R2 clock is not synchronized with R1. What is the reason R2 is not receiving NTP updates from R1?
Why application that are installed on PC’s in R2 LAN network 10.100.20.0/24 are unable to communicate with Server1?
Users complain that they are unable to reach Internet sites. You are troubleshooting Internet connectivity problem at main office. Which statement correctly identifies the problem on Router R1?
Which subnet address is for the IP address 172.19.20.23/28?
Which protocol verifies connectivity between two switches that are configured with IP addresses in the same network?
In which two ways does TCP differ from UDP? (Choose two.)
