On a Linux Workstation, the Route Command Takes a Long

question 45

Multiple Choice

On a Linux workstation, the route command takes a long time before printing out the routing table. Which of the following errors does that indicate?

• A) The local routing information may be corrupted and must be re-validated using a routing protocol.
• B) One of the routers in the routing table is not available which causes the automatic router failure detection mechanism (ARF-D) to wait for a timeout.
• C) There may accidentally be more than one default router in which case a default router election has to be done on the network in order to choose one router as the default.
• D) The Linux Kernel Routing Daemon (LKRD) is not running and should be started using its init script or systemd unit.
• E) DNS resolution may not be working as route by default tries to resolve names of routers and destinations and may run into a timeout. DNS resolution may not be working as by default tries to resolve names of routers and destinations and may run into a timeout.

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