CCNA Guide to Cisco Networking - Chapter 3 Review Questions

Which of the following is a layer in the TCP/IP protocol stack? (Choose all that apply.) a. Application b. Presentation c. Physical d. Data Link e. Internetwork

a. Application e. Internetwork

Which of the following is a TCP/IP Application layer protocol? (Choose all that apply.) a. DNS b. FTP c. UDP d. IP e. ICMP

a. DNS b. FTP

Which of the following is a TCP/IP Internetwork layer protocol? (Choose all that apply.) a. ICMP b. FTP c. DNS d. ARP e. IP

a. ICMP e. IP

What is the purpose of the Three-Way-Handshake? a. To establish a reliable connection between two points b. To establish an unreliable connection between two points c. To establish a relationship at the Application layer between two points d. To establish a relationship at the Internetwork layer between two points

a. To establish a reliable connection between two points

Each interface on a router represents an IP address on a different network. a. True b. False

a. True

Which of the following is used by the TFTP protocol? a. UDP b. TCP c. ICMP d. Telnet

a. UDP

Which layer of Cisco's Three-Layer Hierarchical model provides services such as traffic control and security to the network? a. Access layer b. Distribution layer c. Core layer d. All layers can provide these functions e. Traffic control and security are not addressed by this model.

b. Distribution layer

All computers on the local segment process an ARP request at layer 4 of the OSI model. a. True b. False

b. False

Routers pass ARP Broadcasts to find MAC address on other networks. a. True b. False

b. False

What is an ARP table? a. Destination and source MAC address b. MAC and corresponding IP addresses c. Destination and source IP addresses d. Route to networks

b. MAC and corresponding IP addresses

When sending packets to remote segments, routers rely on information in __________. a. ARP tables b. Routing Tables c. Switching Tables d. ROM

b. Routing Tables

Which of the following is reliable communications protocol? a. UDP b. TCP c. IP d. ICMP

b. TCP

An ARP Reply is a __________. a. Multicast b. Unicast c. Broadcast d. Anycast

b. Unicast

What do computers do with the information in an ARP request when they are not the destination IP? a. Update their ARP caches with the destination information b. Update their ARP caches with the source information c. Update their routing tables with the ARP information d. None of the above

b. Update their ARP caches with the source information

An ARP Request is a __________. a. Multicast b. Unicast c. Broadcast d. Anycast

c. Broadcast

RARP has largely been replaced by __________. a. BOOTP b. ARP c. DHCP d. DNS

c. DHCP

Ping and Trace both rely on what protocol? a. SMTP b. DNS c. ICMP d. TFTP

c. ICMP

Which of the following are not ICMP message types? a. Echo & destination unreachable b. Source quench & redirect c. Relay & reroute d. Parameter problem & information e. Timestamp & time exceeded

c. Relay & reroute

The TCP acknowledgement process is __________. a. Expectational b. Sequential c. Exceptional d. Sesquicentennial

Expectational

What are the well known port numbers? a. 1024 - 49151 b. 49152 - 65535 c. 0 - 1021 d. 1 - 1023

d. 1 - 1023

Distance-Vector algorithms and Link-State algorithms are used in __________. a. DHCP b. ARP c. Static routing d. Dynamic routing

d. Dynamic routing

Which of the following is a TCP/IP Transport layer protocol? (Choose all that apply.) a. ARP b. RARP c. IP d. UDP e. TCP

d. UDP e. TCP