CCNA 1 questions with correct answers

The network administrator enters these commands into the R1 router: R1# copy running-config tftp Address or name of remote host [ ]? When the router prompts for an address or remote host name, what IP address should the administrator enter at the prompt? CORRECT ANSWER 192.168.11.252 Which three statements characterize the transport layer protocols? CORRECT ANSWER TCP and UDP port numbers are used by application layer protocols. TCP uses windowing and sequencing to provide reliable transfer of data. TCP is a connection-oriented protocol. UDP is a connectionless protocol. What is the purpose of ICMP messages? CORRECT ANSWER to provide feedback of IP packet transmissions A technician uses the ping 127.0.0.1 command. What is the technician testing? CORRECT ANSWER the TCP/IP stack on a network host What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table? CORRECT ANSWER It forwards the frame out of all ports except for the port at which the frame was received. What is a characteristic of the LLC sublayer? CORRECT ANSWER It places information in the frame that allows multiple Layer 3 protocols to use the same network interface and media.