Networking Fundamentals 2

Which layer of the Open Systems Interconnection (OSI) model is responsible for transmitting signals over the network medium?

• Physical

• Data link

• Network

• Transport

• Session

Specify the layer of the Open Systems Interconnection (OSI) model at which the Internet Protocol (IP) operates and whether it is connection-oriented or connectionless.

• Network; connection-oriented

• Network; connectionless

• Transport; connection-oriented

• Transport; connectionless

An Ethernet network interface adapter provides functions that span which two layers of the Open Systems Interconnection (OSI) model?

• Physical and data link

• Data link and network

• Network and transport

• Transport and application

Which of the following protocols operate at the application layer of the Open Systems Interconnection (OSI) model? (Choose all that apply.)

• HTTP

• SNMP

• ICMP

• IGMP

• UDP

Which layer of the Open Systems Interconnection (OSI) model would be responsible for converting a text file encoded using EBCDIC on the sending system into ASCII code, when required by the receiving system?

• Application

• Presentation

• Session

• Physical

Which of the following protocols operates at the network layer of the OSI model, but does not encapsulate data generated by an upper layer protocol for transmission over the network?

• IP

• UDP

• ARP

• ICMP

• TCP

A client on a TCP/IP network is attempting to establish a session with a server. Which of the following correctly lists the order of the TCP flags raised in the Transmission Control Protocol (TCP) session establishment messages?

• SYN, ACK, SYN, ACK

• SYN, SYN, ACK, ACK

• SYN/ACK, SYN/ACK

• SYN, SYN/ACK, ACK

Which of the following is the Maximum Transmission Unit (MTU) size for an Ethernet frame?

• 512

• 1024

• 1500

• 1518

Which of the following Transmission Control Protocol (TCP) control bits is set to 1 to initiate the termination of a session?

• SYN

• URG

• FIN

• END

• PSH

An electrician installing a new light fixture accidentally severs one of the LAN cables running through the dropped ceiling space. With which topology would the severed cable cause the greatest amount of disturbance to the network?

• Bus

• Star

• Logical ring

• Mesh