WorksheetsCIW NTA L1 Test Review
Total questions: 30
Worksheet time: 15mins
Which layer of the OSI Model is responsible for identifying communication partners and determining resource availability?
Session
Application
Network
Transfer
A _______ topology is when an entire network is connected to one single cable.
Blast
Ring
Star
Bus
Internet Protocol (IP) is found at which layer of the OSI Model?
The physical layer
The data link layer
The transport layer
The network layer
Which statement best describes the functionality of a Voice over IP (VoIP) network?
Voice calls are sent over a packet-switched network that uses TCP/IP.
Voice calls are sent for free over any network.
Voice calls are sent over dedicated circuits that use TCP/IP.
Voice calls are sent over a standard public service telephone network.
Which of the following describes a server-based network?
Groups of clients that communicate with one another to create a network that has no single central database
Workstations that use add-on software to participate in large, decentralized networks that are usually located on the Internet
A peer-to-peer file sharing protocol used for distributing large amounts of data
A configuration of nodes, some of which are dedicated to providing resources to other hosts on the network
Which packet element often contains techniques ensuring that errors do not occur during transmission?
The data
The frame
The header
The trailer
All networks consist of which three basic elements? Mark only one oval.
Protocols, transmission media, and databases
Protocols, transmission media, and network services
Peer-to-peer, server-based, and enterprise nodes
Print servers, file servers, and media servers
What is a local area network (LAN)? Mark only one oval.
A layered network architecture model of communication that allows systems from various vendors to communicate with one another
A junction between one high-speed backbone and another
A group of computers connected over an expansive geographic area
A group of computers connected within a confined geographic area
The ability for a device to automatically track and report the user's location and availability is known as: Mark only one oval.
convergence.
unified communications (UC).
presencing.
communication latency.
Which layer of the OSI/RM organizes data into packets?
Session
Data link
Network
Transport
The term back-end refers to:
an individual computer connected to a network.
a series of systems that fulfills requests made by a client.
a client that acts as an interface to a collection of servers.
a diskless station that can only request information.
What is typically needed to exchange data over the public telephone network using a dial-up connection?
An analog signal
A digital signal
A modem
A circuit-switched connection
The coding (usually in SQL) necessary to create relationships in the data stored in a database is known as:
three-tier computing
bottlenecking
presencing
business logic
Which of the following describes a star topology network?
Network nodes are connected by a cable without having a central connection point
All nodes connect to the same cable
Network devices are connected using multiple paths so that redundancies exist
Network nodes are connected through a central device
What is the ability of one computer system to communicate with another; often refers to different operating systems working together?
legacy model
interoperability
local area network
uninterruptible power supply (UPS)
What is a windowing system used with UNIX and all popular operating systems?
Shell
x.org
Server
Kernel
Whenever you use a protocol such as TCP/IP, you must:
reconfigure the operating system's kernel.
add a driver and incorporate it into the kernel.
attach, or bind, it to your NIC.
ensure that it is not bound to the NIC.
What is required for systems developed by various vendors to communicate with one another?
A Network Operations Center (NOC)
A network operating system (NOS)
Network protocols
Graphical user interfaces (GUIs)
Which of the following is true about Structured Query Language (SQL)?
It reduces network slowdown by dividing processing tasks between the client and the server.
It involves information storage across several computers while allowing searches to occur as if the information were stored centrally.
It allows users to phrase queries on the front end that can be understood by the back end.
It allows heterogeneous systems to work together more efficiently.
What is a client?
A system or application that requests a service from another computer
A central computer connected to a remote terminal
A computer in a network that manages the network resources
A series of systems that fulfills requests
Which of the following describes a network operating system (NOS)?
It establishes the rules that enable data to flow from one network interface card (NIC) to another.
It describes a network's physical layout.
It is a specific location from which a network is managed, monitored, and maintained.
It manages resources on a network and offers services to one or more clients.
In the context of the OSI/RM, what is data encapsulation?
The process of kidnapping large amounts of data via a P2P protocol
The process of passing information through the layers of the OSI/RM
The process of enabling a computer to connect to a network
The process of managing the resources on a network
In a common three-tier computing model:
a database server contains the business logic, a Web browser is responsible for presentation, and a Web server contains the data.
a Web server contains the business logic, a Web browser is responsible for presentation, and a database server contains the data.
a database server contains the business logic, a Web server is responsible for presentation, and a Web browser contains the data.
a Web browser contains the business logic, a Web server is responsible for presentation, and a database server contains the data.
All email protocols are based on which of the following?
SMTP
IP
UDP
TCP
Select the correct OSI mnemonic.
a penguin said that nobody drinks coke
please do not touch steve’s pet alligator
peter piper picked a peck of pickled peppers
a big black bear sat on a big black rug
The PC has sent a FTP connection request to the server. Which one item in the network operates only at the physical layer of the OSI reference model?
Server
Router 2
Ethernet cabling
PC Network Interface Card (NIC)
Which of the following describes the physical layer of the OSI/RM?
It provides reliable, transparent transport between end points.
It is associated with the transmission of unstructured bit streams over media.
It organizes data into packets and provides reliable addressing services among hosts and networks.
It defines how data is formatted for transmission and how access to the network is controlled.
A network can be defined as:
a layered architecture model of communication developed by the International Organization for
Standardization (ISO).
two or more connected computers that share data by way of a transport medium.
a circuit board within a computer's central processing unit.
established rules that enable data to flow from one network interface card (NIC) to another.
What are two basic types of networks?
Peer-to-peer and P2P
P2P and Microsoft peer-to-peer
P2P and Microsoft peer-to-peer
Peer-to-peer and server-based
Which operating system does the majority of Web, email, FTP, and database servers run?
Apple OS X
DOS
Windows Server
UNIX
