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WorksheetsIntro to Networking Test 1
Total questions: 27
Worksheet time: 19mins
A large corporation has modified its network to allow users to access network resources from their personal laptops and smart phones. Which networking trend does this describe?
Cloud computing
Online collaboration
Bring your own device
Video conferencing
What is an ISP?
It is a standards body that develops cabling and wiring standards for networking.
It is a protocol that establishes how computers within a local network communicate.
It is an organization that enables individuals and businesses to connect to the Internet.
It is a networking device that combines the functionality of several different networking devices in one.
What characteristic of a network enables it to quickly grow to support new users and applications without impacting the performance of the service being delivered to existing users?
Reliability
Scalability
Quality of service
Accessibility
Although the cable has been cut, students in the dormitories only experience a very short interruption of network services. What characteristic of the network is shown here?
Quality of service (QoS)
Scalability
Security
Fault tolerance
Integrity
What are two characteristics of a scalable network?
A. Easily overloaded with increased traffic
B. Grows in size without impacting existing users
C. Is not as reliable as a small network
D. Suitable for modular devices that allow for expansion
E. Offers limited number of applications
Which device performs the function of determining the path that messages should take through internetworks?
A. A router
B. A firewall
C. A web server
D. A DSL modem
What type of network must a home user access in order to do online shopping?
An intranet
The Internet
An extranet
What is the Internet?
It is a network based on Ethernet technology.
It provides network access for mobile devices.
It provides connections through interconnected global networks.
It is a private network for an organization with LAN and WAN connections.
What are two functions of end devices on a network?
They originate the data that flows through the network.
They direct data over alternate paths in the event of link failures.
They filter the flow of data to enhance security.
They are the interface between humans and the communication network.
They provide the channel over which the network message travels.
Which three acronyms/initialisms represent standards organizations?
IANA
OSI
IEEE
IETF
TCP/IP
In computer communication, what is the purpose of message encoding?
What are two benefits of using a layered network model like the OSI Model?
It assists in protocol design.
It speeds up packet delivery.
It prevents designers from creating their own model.
It prevents technology in one layer from affecting other layers.
It ensures a device at one layer can function at the next higher layer.
What is the purpose of protocols in data communications?
Specifying the bandwidth of the channel or medium for each type of communication
Specifying the device operating systems that will support the communication
Providing the rules required for a specific type of communication to occur
Dictating the content of the message sent during communication
Which logical address is used for delivery of data to a remote network?
Destination MAC address
Destination IP address
Destination port number
Source MAC address
Source IP address
What is the general term that is used to describe a piece of data at any layer of a networking model?
Frame
Packet
Protocol data unit
Segment
Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?
Application
Presentation
Session
Transport
Network
What process is used to receive transmitted data and convert it into a readable message?
Access control
Decoding
Encapsulation
Flow control
What process is used to place one message inside another message for transfer from the source to the destination?
Access control
Decoding
Encapsulation
Flow control
A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?
Presentation layer
Network layer
Physical layer
Data link layer
Why are two strands of fiber used for a single fiber optic connection?
The two strands allow the data to travel for longer distances without degrading.
They prevent crosstalk from causing interference on the connection.
They increase the speed at which the data can travel.
They allow for full-duplex connectivity.
Which procedure is used to reduce the effect of crosstalk in copper cables?
Requiring proper grounding connections
Twisting opposing circuit wire pairs together
Wrapping the bundle of wires with metallic shielding
Designing a cable infrastructure to avoid crosstalk interference
Avoiding sharp bends during installation
What is one advantage of using fiber optic cabling rather than copper cabling?
A network administrator is designing a new network infrastructure that includes both wired and wireless connectivity. Under which situation would a wireless connection be recommended?
The end-user device only has an Ethernet NIC.
The end-user device requires a dedicated connection because of performance requirements.
The end-user device needs mobility when connecting to the network.
The end-user device area has a high concentration of RFI.
What is the definition of bandwidth?
The speed of bits across the media over a given period of time
The speed at which bits travel on the network
The amount of data that can flow from one place to another in a given amount of time
The measure of usable data transferred over a given period of time
A wireless LAN is being deployed inside the new one room office that is occupied by the park ranger. The office is located at the highest part of the national park. After network testing is complete, the technicians report that the wireless LAN signal is occasionally affected by some type of interference. What is a possible cause of the signal distortion?
The microwave oven
The large number of trees that surround the office
The elevated location where the wireless LAN was installed
The number of wireless devices that are used in the wireless LAN
What is the purpose of the OSI physical layer?
Controlling access to media
Transmitting bits across the local media
Performing error detection on received frames
Exchanging frames between nodes over physical network media
Which standards organization oversees development of wireless LAN standards?
IANA
IEEE
ISO
TIA
