Network+ Review Quiz Chapter 1

In general, an API (application programming interface) call is the method an application uses when it makes a request of the OS. T/F?

True

The protocol data unit for the Physical layer of the OSI model is payload, or data. T/F?

False

The frame header at the Data Link layer includes hardware addresses of the source and destination NICs. What is another name for this address? -MAC (Media Access Control) address -DAC (Digital Access Control) address -DAC (Data Access Control) address -PAC (Packet Access Control) address

MAC (Media Access Control) address

At what layer of the OSI model do the IP, ICMP, and ARP protocols operate? -Session -Network -Application -Transport

Network

In the United States, who is able to activate the Emergency Alert System at the national level?

The President

In the TCP/IP model, what layer combines the responsibilities of the Application, Presentation, and Session layers from the OSI model? -Local law enforcement -The President -The Federal Bureau of Investigation -Any U.S. state or territory

Application

What is a defining characteristic of a bus topology based network? -Devices are connected to two adjacent devices, and communication priority is granted by a token. -Devices are daisy-chained together in a single line. -Devices are connected directly to a centralized networking device, known as a network switch. -Devices are directly attached to a network router, which forwards data to intended destinations.

Devices are daisy-chained together in a single line.

The Data Link layer attaches a trailer to the end of a packet, and does not include a header. T/F?

False

The Windows Remote Desktop application utilizes what protocol to provide secure, encrypted transmissions? -Remote Desktop Protocol (RDP) -Secure Shell (SSH) -File Transfer Protocol (FTP) -Secure Sockets Layer (SSL)

Remote Desktop Protocol (RDP)

Which of the following is an example of encapsulation? -The addition of a trailer to data inherited from the layer above in the OSI model. -The modification of headers from a higher layer in the OSI model. -The subtraction of a header from data inherited from the layer below in the OSI model. -The addition of a header to data inherited from the layer above in the OSI model.

The addition of a header to data inherited from the layer above in the OSI model.