ITN Chapter 1 Midterm Review
What is the minimal amount of voltage required to damage an electrical component
10 volts
What is the most popular web server application
Apache
In the TCP/IP model, what layer combines the responsibilities of the Application, Presentation, and Session layers from the OSI model?
Application
What is a defining characteristic of a bus topology based network?
Devices are daisy-chained together in a single line.
What is assigned to each node on a network, which is then used by the Network layer to uniquely to identify the node.
IP address
At what layer of the OSI model does a network switch normally operate
Layer 2
The frame header at the Data Link Layer includes hardware adresses of the source and destination NICs. What is another name for the adress?
MAC (Media Access Control) adress
The proper handling procedures for substances such as chemical solvents is typically outline in which of the following options?
Material Safety Data Sheet (MSDS)
At what layer of the OSI model do the IP, ICMP, and ARP protocols operate?
Network
What federal agency is charged with the safety and health in the workplace?
Occupational Safety and Health Administration (OSHA)
The Windows Remote Desktop application utilizes what protocol to provide secure, encrypted transmission?
Remote Desktop Protocol (RDP)
What mail protocol is used to send mail messages to a server?
SMTP
What application layer protocl can be used to monitor and gather information about network traffic and can alert network administrators about adverse conditions that need attention?
SNMP
What layer of the OSI model describes how data between application is synced and recovered if messages don't arrive intact at the receiving application?
Session Layer.
Which of the following is an example of encapsulation?
The addition of a header to data inherited from the layer above in the OSI model.
What statement accurately reflects what occurs when a message is too large to transport on a network?
The message is divided into smaller messages called segments (TCP) or datagrams. (UDP).
In considering the responsibilities of each layer of the OSI model, what statement accurately reflects those of the Presentation layer?
The presentation layer is responsible for reformatting, compressing, and/or encrypting data in a way that the application on the receiving end can read.
The TCP and UDP protocols both exists at what layer of the OSI model?
Transport
The fundamental difference between a switch and a router is that a switch belongs only to its local network and a router belongs to two or more local networks.
True
A policy in which all exit doors for a building stay unlocked during a fire is an example of what type of policy?
fail-open
Servers that have a NOS installed require less memory, processing power, and storage capacity than clients because servers are called on to handle only light processing loads and requests from multiple clients.
false
The Data Link layer attaches a trailer to the end of a packet, and does not include a header.
false
The Transmission Control Protocol (TCP) is considered to be a connection-less, or best-effort delivery protocol.
false
The protocol data unit for the Physical layer of the OSI model is payload or data.
false
The Data Link Layer utilizes what name for its protocol data unit (PDU)?
frame
If your network consists of a all connected devices connecting to one central device, such as a switch, what type of topology is being used.
star toplogy.
After a problem and its symptoms have been identified, a theory regarding a probable cause should be established.
true
In general, an API (application programming interface) call is the method an application uses when it makes a request of the OS.
true
The term firmware refers to programs embedded into hardware devices. This software only changes when a firmware upgrade is performed.
true
