Cisco - CCNA Routing and Switching Essentials Exam 1 questions with correct answers

What is one advantage of using the cut-through switching method instead of the store-and-forward switching method? - Correct Answer-Has a lower latency appropriate for high-performance computing applications. A _______ network is one that uses the same infrastructure to carry voice, data, and video signals. - Correct Answer-Converged. [Refer to the exhibit] How is a frame sent from PCA forwarded to PCC if the MAC address table on switch SW1 is empty? - Correct Answer-SW1 floods the frame on all ports on SW1, excluding the port through which the frame entered the switch. [Refer to the exhibit] Consider that the main power has just been restored. PC1 asks the DHCP server for IPv4 addressing. The DHCP server sends it an IPv4 address. While PC2 is still booting up, PC3 issues a broadcast IPv4 DHCP request. To which port will SW1 forward this request? - Correct Answer-To Fa0/1, Fa0/2, and Fa0/3 only. [This graphic changes but the principle is the same, whatever line PC3 is on is the line (port) that will not receive the broadcast.] [Refer to teh Exhibit] There are ______ collision domains in the topology. - Correct Answer-12 What does the term "port density" represent for an Ethernet switch? - Correct Answer-The number of available ports. An administrator purchases new Cisco switches that have a feature called StackPower. What is the purpose of this feature? - Correct Answer-It enables the sharing of power among multiple stackable switches.