18. The command ’ip host Dallas 157.89.8.64’ maps the host name Dallas with its IP address. What command would display all such mappings? A.) show dns B.) show dns entry dallas C.) show neighbors D.) show hosts E.) show ip table F.) show dns cache
D Router#show hosts Host Flags Age Type Address(es) www.eku.edu (temp, OK) 0 IP 157.89.8.2 dallas (perm, OK) 0 IP 157.89.8.64 Perm - permament static entries Temp - temporary usually resolved via DNS
19. The command ’show running-config’ displays the configuration script in RAM, but what other command could you use to show information about objects stored in RAM? A.) show startup-config B.) show all C.) show config D.) debug ram E.) show buffers F.) show start
E Packets are stored in memory locations called buffers during periods when the router becomes over-loaded with other requests.
20. Which of the following are examples of the Datalink Layer? (2 answers) A.) SQL B.) IP C.) MAC D.) TCP E.) LLC
C E MAC and LLC are the sublayers of the Datalink layer.