MIS 140 Chapter 1 Homework questions

The _________ layer performs error checking which is redundant to some extent with the function of the _________ layer. application, presentation physical, data link transport, data link presentation, transport network, physical

transport, data link

An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the organization. True False

False

Ethernet is an example of a network layer protocol. True False

False

The OSI model is currently the most widely implemented network model used to develop and build networks of any size, including the Internet itself. True False

False

Which of the following is not a data link layer standard? HTTP Ethernet T1 PPP Frame Relay

HTTP

Taken together, the physical and data link layers are called the ____________________. Internet layer Hardware layer Internetwork layer Application layer

Hardware layer

The network layer of the Internet model uses the _____________ protocol to route messages though the network. TCP HTTP FTP SMTP IP

IP

___________ is an orderly close to a dialogue between end users. Session termination Physical bits Frame overhead Packet encapsulation Message encryption

Session termination

Which of the following is not true about de facto standards? They never evolve into de jure standards. They are those standards that emerge in the marketplace. They tend not to be developed by an official industry or government body. They are generally supported by more than one vendor but de facto standards have no official standing. They tend to emerge based upon the needs/response of the marketplace.

They never evolve into de jure standards.

ANSI is a voting participant in the ISO. True False

True

According to John Chambers, CEO of Cisco (a leading networking technology company), the information age is the second Industrial Revolution. True False

True

At the transport layer in the Internet model, TCP is responsible for breaking large files received from the application layer into smaller messages and opening a connection to a server for transferring them. True False

True

Data communication standards enable each layer in the sending computer to communicate with its corresponding layer in the receiving computer. True False

True

In the OSI model, the application layer provides a set of utilities for applications and is the end user's access to the network. True False

True

It is not uncommon for companies to end up spending more money on network management and security tasks than they do on the actual computer equipment itself. True False

True

When a user accesses an application via a web browser on their mobile device, this is referred to as a browser-based approach a native app Internet Explorer BYOD

a browser-based approach

A _____________ is the input-output hardware device at the end user's end of a communication circuit in a client-server network. Server circuit client host

client

A(n) ___________ is similar to an intranet in that it uses Internet technologies, but is developed for users outside the organization. intranet Usenet Wide Area Network extranet

extranet

A MOOC is an example of a(n) BYOD massively online technology native app browser-based technology

massively online technology

Networks that are designed to connect similar computers that share data and software with each other are called: client/server networks peer-to-peer networks host networks client networks local area networks

peer-to-peer networks

The three stages of the de jure standardization process are ______________________. specification, identification of choices and acceptance. planning, implementing and acceptance. brainstorming, identification and implementing. specification, formalization, and acceptance. none of the above.

specification, identification of choices and acceptance.

Which of the following is not a function of the data link layer? deciding when to transmit messages over the media formatting the message by indicating where messages start and end, and which part is the address detecting and correcting any errors that have occurred in the transmission of the message specifying the type of connection, and the electrical signals, radio waves, or light pulses that pass through it controlling the physical layer by determining when to transmit

specifying the type of connection, and the electrical signals, radio waves, or light pulses that pass through it

Which layer of the OSI model is responsible for ensuring that all packets sent are received by the destination station by dealing with end-to-end issues? presentation transport physical session application

transport

BYOD stands for Bring Your Own Device Bring Your Own Database Build Your Own Device Build Your Own Database

Bring Your Own Device

A network administrator has received several reports from users of the network that the intranet website on one of company servers is not accessible, but the same users are still able to retrieve their email being stored on the same server. What layer of the Internet model does this problem appear to reside at? physical transport network application data link

application

Which of the following is not true about a server? stores data and software that can be accessed by the client. may be a personal computer or a mainframe on the network. in client/server computing they work together over the network with client computers to support the business application. can only perform one function on a network. stores documents and graphics that can be accessed from any Web browser.

can only perform one function on a network.