What causes the error message “Network is unreachable”?
A system administrator is attempting to add a default router using the command:
route add default 192.20.20.1 0
You get the error message "Network is unreachable." The IP address of the host you are using is 192.20.20.10, and the router 192.20.20.1 is reachable using a "direct" route. The router 192.20.20.1 is on the network in question and is a viable default router.
What causes the error message "Network is unreachable"?
Which three statements about fragmentation are true?
Which three statements about fragmentation are true? (Choose three.)
Which two statements are true about tunnelling?
You have created an IPv6 tunnel between two hosts. Which two statements are true about tunnelling? (Choose two.)
Which two statements are true?
Given:
route add host lion tiger 1
Which two statements are true? (Choose two.)
When must a local host try to route through an intermediary host to reach a remote host?
When must a local host try to route through an intermediary host to reach a remote host?
Which two are benefits of IPv6?
Which two are benefits of IPv6? (Choose two.)
Which command accomplishes this?
A workstation does not have access to the 200.20.50.0 network. A system administrator needs to enable access to a host at IP address 200.20.50.100. Other hosts on the same network must remain inaccessible. Which command accomplishes this?
Which two fields are found in the /etc/netmasks file?
Which two fields are found in the /etc/netmasks file? (Choose two.)
Which four commands can be used in debugging DNS?
A DNS server is not responding to a DNS client’s requests. Which four commands can be used in debugging DNS? (Choose four.)
What is the purpose of RARP?
What is the purpose of RARP?