WorksheetsCyber 1-Networking FINAL Exam
Total questions: 96
Worksheet time: 47mins
How do most phones in modern offices differ from phone lines via the POTS?
Office phones connect via analog phone line
Office phones connect over IP
There are no differences between the two
Office phones only offer communication methods via Zoom
Which of the following is an example of biometric factors?
Fingerprint scanner
Iris scanner
Voice recognition
All of the above
What else is SCADA referred to as?
(a)
Which layer defines the electrical and physical specifications for devices?
Transfer
Network
Physical
Presentation
The ______ layer provides the functional and procedural means to transfer data between network entities and to detect and possibly correct errors that may occur in the ______ layer.
data link/physical
application/session
network/transport
presentation/application
Which layer provides transparent data transfer between end users?
Transport
Transfer
Session
Application
Which layer is responsible for identifying communication partners and determining resource availability?
Session
Application
Network
Transfer
Encapsulation transforms the network layer’s data to 0’s and 1’s.
True
False
A(n) _____ includes the ethernet header, the original data/payload itself, and a trailer.
frame
packet
segment
datagram
In a peer-to-peer network, a single server controls the network for all the devices.
True
False
A ______ covers a large area, typically composed of two or more LANs connected.
SAN
PAN
FAN
WAN
What is the demarcation point?
When a log records a critical error
When a client determines what network topology they want
When an internet service provider hands the internet to a customer
None of the above
A ______ sits between the customer and a telephone company and provides diagnostic information to the telephone company.
smartjack
demarc
hub
switch
What is different with the arrangement between T568A and T568B wiring standards?
The green and orange pairs
The green and blue pairs
The red and yellow pairs
The brown and blue pairs
Which of the following can coaxial cables deliver? (Select two)
Electricity
Water
Gas
Internet
Television
Application Layer
Layer 5
Layer 1
Layer 7
Layer 4
The Network Layer
Layer 5
Layer 1
Layer 7
Layer 3
Application Layer
Layer 5
Layer 1
Layer 7
Layer 4
The Network Layer
Layer 5
Layer 1
Layer 7
Layer 3
Data Link Layer
Layer 6
Layer 2
Layer 5
Layer 3
Layer 5
The basic network
Character encoding
Communication management between devices
The physics of the network
Session Layer
Layer 4
Layer 1
Layer 3
Layer 5
Presentation Layer
Layer 6
Layer 1
Layer 7
Layer 4
Layer 3
The “post office” layer
Communication management between devices
The “routing” layer
The “switching” layer
Layer 6
Application encryption
The layer we see
The physics of the network
The “routing” layer
Layer 2
The physics of the network
The “routing” layer
Application encryption
The “switching” layer
Layer 1
The “routing” layer
The physical part of the network
The “post office” layer
The layer we see
Layer 4
The physics of the network
The layer we see
Character encoding
The “post office” layer
The Physical Layer
Layer 2
Layer 6
Layer 1
Layer 4
Transport Layer
Layer 3
Layer 4
Layer 7
Layer 1
Layer 7
The layer we see (human readable)
Communication management between devices
The “post office” layer
The basic network
What does OSI stand for?
Open Systems Interconnection
Operating System Interface
Online Security Infrastructure
Optical Signal Interface
Which layer of the OSI model is responsible for describing how data is delivered and where it is being delivered into a system?
Application Layer
Transport Layer
Network Layer
Data Link Layer
Which layer of the OSI model deals with UDP and TCP protocols?
Presentation Layer
Session Layer
Transport Layer
Data Link Layer
What is the mnemonic to remember the different layers of the OSI model?
All People Seem To Need Data Processing
Open Systems Interconnection Reference Model
Transmission Control Protocol/Internet Protocol
Media Access Control addresses
Which layer of the OSI model is responsible for starting and stopping communication between endpoints?
Presentation Layer
Session Layer
Transport Layer
Data Link Layer
What layer of the OSI model is associated with IP addresses?
Application Layer
Transport Layer
Network Layer
Data Link Layer
What layer of the OSI model is responsible for encrypting application data?
Presentation Layer
Session Layer
Transport Layer
Data Link Layer
Which layer of the OSI model is commonly associated with switch forwarding?
Application Layer
Transport Layer
Network Layer
Data Link Layer
What layer of the OSI model is responsible for putting data into a form that we can understand?
Presentation Layer
Session Layer
Transport Layer
Data Link Layer
Which layer of the OSI model is responsible for the physical signals to send frames from one device to another?
Application Layer
Transport Layer
Network Layer
Physical Layer
What layer of the OSI model is responsible for putting data into a form that we can understand?
Presentation Layer
Session Layer
Transport Layer
Data Link Layer
What is the purpose of the Transport Layer in the OSI model?
To encrypt application data
To describe how data is delivered and where it is being delivered into a system
To start and stop communication between endpoints
To deal with UDP and TCP protocols
Which layer of the OSI model is commonly associated with switch forwarding?
Application Layer
Transport Layer
Network Layer
Data Link Layer
What is the mnemonic to remember the different layers of the OSI model?
Please Do Not Throw Sausage Pizza Away
Open Systems Interconnection Reference Model
Transmission Control Protocol/Internet Protocol
Media Access Control addresses
What layer of the OSI model is responsible for the physical signals to send frames from one device to another?
Application Layer
Transport Layer
Network Layer
Physical Layer
What is packet encapsulation in networking?
The process of stripping headers and trailers from a packet
The process of adding an IP address to a packet
The process of adding headers and trailers to data
The process of checking for errors in network transmission
Which layer of the OSI model is primarily responsible for encapsulation?
Physical Layer
Data Link Layer
Network Layer
Transport Layer
What is the primary purpose of encapsulation in networking?
To increase the speed of data transmission
To ensure data can be safely and effectively transmitted over the network
To reduce the size of the data being transmitted
To encrypt data
Which of the following is NOT an encapsulation protocol?
Ethernet
PPP (Point-to-Point Protocol)
HTTP (Hypertext Transfer Protocol)
Frame Relay
During encapsulation, what happens immediately after the Transport layer header is added to the data segment?
The data is transmitted over the network.
The Network layer adds its header.
The Data Link layer adds its header and trailer.
The data is converted into bits.
What is the correct order of layers involved in encapsulation, from the highest to the lowest?
Application, Transport, Network, Data Link, Physical
Physical, Data Link, Network, Transport, Application
Application, Presentation, Session, Transport, Network
Data Link, Network, Transport, Application, Physical
In the context of networking, what is decapsulation?
Adding headers to the data packet
Encrypting data for secure transmission
Removing headers and trailers from a packet
Increasing the size of the data packet
Which layer of the OSI model is primarily responsible for decapsulation?
Application Layer
Transport Layer
Data Link Layer
Physical Layer
What is the first step in the decapsulation process when a packet is received?
The Transport layer header is removed.
The Data Link layer trailer is removed.
The Network layer header is analyzed.
The Physical layer converts signals into data.
Why is decapsulation necessary in networking?
To increase the transmission speed
To convert the packet back into the original data format
To add additional security layers
To compress the data for storage
Which protocol is involved in both encapsulation and decapsulation processes?
TCP/IP
FTP
SMTP
UDP
What layer adds the IP address to the packet during the encapsulation process?
Transport Layer
Network Layer
Data Link Layer
Application Layer
During decapsulation, what happens immediately after the Network layer header is removed?
The packet is delivered to the application.
The Transport layer header is analyzed.
The Data Link layer trailer is removed.
The packet is converted into electrical signals.
What is the main difference between encapsulation and decapsulation?
Encapsulation involves adding headers, while decapsulation involves removing them.
Encapsulation is used only in wired networks, while decapsulation is used in wireless.
Encapsulation compresses data, while decapsulation decompresses it.
There is no difference; they are the same process.
Which of the following best describes the relationship between encapsulation and decapsulation?
Encapsulation and decapsulation are unrelated processes.
Encapsulation is the process that occurs at the sender's end, while decapsulation occurs at the receiver's end.
Decapsulation must occur before encapsulation can take place.
Encapsulation and decapsulation are simultaneous processes.
A .........network is a network topology with each node being interconnected.
Star
Mesh
There is a central node to fail
Requires a high performance switch or server in the centre as all traffic passes through it.
Which of these is an advantage of a Star network?
No extra hardware needed
Reliable
Cheap
Which of these is an disadvantage of a Star network?
Unreliable
Needs extra hardware
Slow
What does VPN stand for?
Visual Protected Network
Virtual Private Network
Visual Private Network
Virtual Protected Network
What are the advantages of using a PAN?
Private
Can connect many devices at once
Long range
Fast data transfer
What does PAN stand for?
Proven Area Network
Protected Area Network
Private Area Network
Personal Area Network
A family wants to have internet for their 2 children with phones and tablets, which connection type should they use?
Wired
Wireless
What does WAN stand for?
Wide Area Network
World Area Network
Wide Arena Network
World Arena Network
Which network is this? I allow computers to communicate with each other in across the world.
Which type of network operates in a limited geographical area, such as a building or school?
LAN
MAN
TAN
WAN
Every computer looking to access the Internet would be known as this.
Computer network that connects computers within a limited area such as a home, school, computer laboratory, or office building, using network media.
Large computer network that spans a metropolitan area and falls between a LAN and a WAN.
LAN
MAN
WAN
NET
A computer that provides data to other computers. It may serve data to systems on a local area network (LAN) or a wide area network (WAN) over the Internet.
A network that covers a broad area using leased telecommunication lines.
Which network would you have at your home?
LAN
WAN
WLAN
MAN
What is the name of this network category?
Client-to-peer network
Peer-to-peer network
Server/ client network
Client/Server network
