CCNA Chapter 2 Questions with 100% Correct Answers

CCNA Chapter 2 Questions with 100% Correct Answers What is the default subnet mask of 130.56.78.10? (A)255.0.0.0 (B)255.255.0.0 (C)255.255.255.0 (D)255.255.255.255 - Answer-B Your system has an IP address of 131.107.45.10. Which of the following systems is on the same network as you? (A)131.56.10.12 (B)130.107.45.10 (C)131.107.22.15 (D)113.107.45.11 - Answer-B,D Which of the following addresses are considered invalid addresses to assign to a host on the network? (Select all that apply.) (A)216.83.11.255 (B)12.34.0.0 (C)10.34.15.22 (D)131.107.0.0 (E)127.15.34.10 (F)189.56.78.10 - Answer-A,B,D,E The binary number of is which of the following decimal values? (A)101 (B)109 (C)135 (D)143 - Answer-A Which class address always has the value of the first bits in the IP address set to 110? (A)Class A (B)Class B (C)Class C (D)Class D - Answer-C Which class address always has the first two bits of the IP address set to 10? (A)Class A (B)Class B (C)Class C (D)Class D - Answer-B Which IP address class always has the first bit in the address set to 0?(A)Class A (B)Class B (C)Class C (D)Class D - Answer-A Which protocol is responsible for converting the logical address to a physical address? (A)TCP (B)IP (C)ICMP (D)ARP - Answer-D The ARP request is sent to which of the following layer-2 destination addresses? (A)FF-FF-FF-FF-FF-FF (B)192.168.0.255 (C)00-FF-00-FF-00-FF (D)-00 - Answer-A What are the three phases of the TCP three-way handshake? (A)ACK/SYN, SYN, ACK (B)SYN, ACK/SYN, ACK (C)ACK/SYN, ACK, SYN (D)SYN, ACK, SYN/ACK - Answer-B Which of the following does TCP use to guarantee delivery? (A)Source and destination IP address (B)Source and destination port (C)Sequence numbers and acknowledgements (D)Sequence numbers and ports - Answer-D What TCP/IP protocol is responsible for logical addressing and routing functions? (A)TCP (B)IP (C)ICMP (D)UDP - Answer-B Which transport layer protocol is responsible for unreliable delivery?(A)TCP (B)IP (C)ICMP (D)UDP - Answer-D Which TCP/IP protocol is responsible for error and status reporting? (A)TCP (B)IP (C)ICMP (D)UDP - Answer-C The router looks at which field in the IP header to decide where to send the packet? (A)Source IP address (B)Destination IP address (C)Source MAC address (D)Destination MAC address - Answer-B What flags are set on the second phase of the three-way handshake?(A)FIN/SYN (B)ACK/FIN (C)ACK/SYN (D)ACK/RST - Answer-C Which flag is set in a TCP packet that indicates a previous packet was received? (A)PSH (B)FIN (C)ACK (D)RST - Answer-C You wish to allow echo request messages to pass through the firewall. What ICMP type is used in an echo request message? (A)0 (B)8 (C)3 (D)11 - Answer-???? B Which of the following are fields found in the IP header? (Select all that apply.) (A)Sequence number (B)Destination port (C)Source IP address (D)Type (E)Time to Live (F)SYN flag - Answer-BCE Which of the following are considered application layer protocols? (A)TCP (B)IP (C)FTP (D)ICMP - Answer-C Which transport layer protocol is responsible for reliable delivery?(A)UDP (B)ICMP (C)IP (D)TCP - Answer-D What ICMP type is used by the echo reply message? (A)0 (B)3 (C)5 (D)8 - Answer-B