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Worksheets100 quizzz TH
Total questions: 100
Worksheet time: 53mins
A ________ links two or more computers together to communicate and share resources.
Server
Network
Client
Workstation
Which of the following was a disadvantage of stand-alone personal computers in large companies?
Large hard-drive capacities
Each computer required a local printer
Easy sharing of documents
Efficient email systems
What is the term used for transferring documents by saving them to a floppy disk and physically taking the disk to the recipient?
Interoffice mail
Sneakernet
WAN
A ________ is a network that connects computers in a single office or building.
WAN
MAN
LAN
PAN
A _______ includes networks outside the local environment and can distribute resources across great distances.
LAN
MAN
PAN
WAN
Which type of network is designed around one person within a very limited boundary area?
WAN
MAN
PAN
LAN
What technology is commonly used in a Personal Area Network (PAN)?
Wi-Fi
Ethernet
Bluetooth
Cellular
A ________ is a network that spans a city or a large campus.
LAN
WAN
MAN
WMN
Which network uses a mesh topology?
MAN
PAN
WMN
LAN
In the 1970s, the ________ used distributed processing to access programs across other computers.
Mainframe computer
Personal computer
Minicomputer
Workstation
What are the three types of components to be aware of when looking at the devices or resources available on a network?
Servers, clients/workstations, and resources
Hubs, switches, and routers
Wired, wireless, and optical
LAN, WAN, and MAN
What two additional items does every network require to tie components together?
Server and client
NOS and shared medium
Router and switch
IP address and subnet mask
What does NOS stand for?
Network Operating System
Network Output System
Network Online Service
Network Open Standard
What are the two types of shared medium that a network requires?
Wired and wireless connectivity
Hardware and software
Input and output devices
Analog and digital signals
What is the primary function of a server on a network?
To request resources
To provide resources to clients
To connect to the internet
To manage network cables
What is the role of a client or workstation on a network?
To provide resources
To manage the network
To request and access resources
To secure the network
Which of the following is an example of a resource on a network?
A keyboard
A monitor
A printer
A mouse
What does the acronym OSI stand for?
Open System Interface
Open Systems Interconnection
Operating System Interface
Operating Systems Interconnection
How many layers does the OSI model have?
5
6
7
8
In the OSI model, what happens as data passes through a layer?
The layer removes information
The layer encrypts the data
The layer adds its information (header)
The layer compresses the data
What is the most common term used to refer to wireless networking today?
Bluetooth
Cellular
Wi-Fi
Radio Frequency
The IEEE 802.11 family of standards is the primary wireless networking technology in use today.
True
False
Which organization creates and manages WLAN standards in the United States?
ISO
IEEE
ANSI
FCC
Which of the following is a commonly mentioned 802.11 standard?
802.11c
802.11f
802.11n
802.11j
What is the device at the center of a wireless network?
Hub
Switch
What does SSID stand for?
Service Set Identifier
System Service Identification
Secure System Identifier
Standard Service Identification
What access method do 802.11 networks use?
CSMA/CD
CSMA/CA
Token Ring
TDMA
What are the primary characteristics that define 802.11 standards?
Speed, maximum distance, frequency, and modulation technique
Speed, cable type, security, and cost
Distance, security, cost, and frequency
Modulation technique, cable type, cost, and speed
Bluetooth can communicate with up to how many other devices in one piconet?
5
7
9
11
What is the term for two or more piconets linked together?
Scatternet
Mesh network
Extended piconet
Supernet
What is a Bluetooth beacon?
A device that boosts Bluetooth signals
A small hardware transmitter that uses Bluetooth LE
A Bluetooth security protocol
A type of Bluetooth antenna
Millimeter wave (mmWave) technology is used in which type of cellular technology?
3G
4G
5G
LTE
What is a limitation of millimeter wave technology?
High cost
Limited distance
Low data speeds
Susceptibility to interference
Which of the following is a characteristic of infrared (IR) technology?
Long-range communication
Ability to penetrate obstacles
Point-to-point communication
High bandwidth
What is a primary advantage of satellite connections?
Low latency
High speed
Availability in remote areas
Low cost
Which wireless security protocol was the first available but is considered the most vulnerable?
WPA
WPA2
WEP
TKIP
Which of the following is an improvement on WEP and was first available in 1999?
WPA
WPA2
WEP
802.1X
Which wireless security protocol is recommended for use on modern networks?
WEP
WPA
WPA2
WPA3
What does TKIP stand for?
Temporal Key Integrity Protocol
Temporary Key Internet Protocol
Time Key Internet Protocol
Temporal Key Internet Protocol
What encryption cipher does WPA2 use?
TKIP
AES
RC4
WEP
What is the primary responsibility of a network administrator?
To design network hardware
To perform daily tasks on network servers
To train users on application software
To troubleshoot hardware issues
Which of the following is a common task performed by a network administrator?
Installing hardware
Assigning user accounts and passwords
Developing software applications
Repairing computer hardware
What is the goal of a network administrator in terms of network usability and security?
To make the network complex and difficult to use but highly secure
To make the network user-friendly and secure
To prioritize user-friendliness over security
To prioritize security over user-friendliness
What is a user account?
A collection of hardware resources
A means by which a user gains access to the network
A type of network cable
A software application
What information is typically associated with a user account?
IP address
Username and password
MAC address
Printer settings
What is a group account?
An account for a single user with elevated privileges
An account that provides access to resources for multiple users
An account used for network devices
An account with limited access rights
Which type of account is suitable for a temporary worker needing access to specific resources?
User account
Group account
Limited access account
Administrator account
What is a directory service?
A service that provides internet access
A centralized database that stores information about network resources and users
A tool for managing network cables
A type of firewall
What is Active Directory?
A network protocol
Microsoft's directory service
A hardware component
A type of network topology
What is an Organizational Unit (OU) in Active Directory?
A physical location in a network
A logical container for grouping users, groups, and computers
A type of network cable
A network security device
What is the purpose of a Domain Controller?
To control network traffic
To manage printers
To authenticate users and enforce security policies
To provide file storage
What is a "Home" directory?
A directory for storing network cables
A central directory for all users
A personal directory for a user to store files
A directory containing network configuration files
Which type of account is typically used for regular users with standard access to network resources?
Administrator account
Group account
User account
Limited access account
What is the primary purpose of a limited access account?
To grant users full control over the network
To restrict user abilities and enhance security
To manage network devices
To provide access to all network resources
Which of the following is a characteristic of a group account?
It is assigned to a single user.
It grants full administrative rights.
It provides access to resources for multiple users.
It is used for network devices only.
A best practice for configuring group accounts is:
Assigning unique passwords to each group member
Using group accounts for administrative tasks
Disabling group accounts when not in use
Sharing group account credentials widely
What is the purpose of domain policy enforcement for group accounts?
To provide users with maximum flexibility
To limit the activities that group accounts can perform
To simplify network management
To grant administrative privileges
In which situation is it appropriate to create a separate Organizational Unit (OU) for group accounts?
When there are only a few user accounts
When group accounts need specific policy settings
When all accounts require the same access rights
When there are no limited access accounts
What is a key security benefit of using limited access accounts?
They simplify user management.
They prevent unauthorized actions by compromised accounts.
They give users more control over their workstations.
They eliminate the need for passwords.
Why is it not always necessary to be physically present at a customer's malfunctioning device?
All malfunctions require physical intervention.
Remote tools allow technicians to diagnose and fix issues from a different location.
Customers prefer technicians to work on-site.
Remote access is slower than physical access.
What are some tasks that can be performed using remote tools?
Only diagnosing malfunctions
Diagnosing malfunctions, updating security patches, and checking software
Only updating security patches
Only installing new software
Which CompTIA A+ chapter discusses remote access?
Chapter 10
Chapter 15
Chapter 21
Chapter 25
Have remote access technologies been around for a long time?
No, they are relatively new.
Yes, they have been around as long as networks.
Only since the early 2000s
Only for wireless networks
What is a benefit of remote access technologies for technicians?
Technicians always have to be at the physical location
Technicians can be in multiple places at once
Remote access is less secure
Remote access is more expensive
What is the potential downside of using Telnet?
It is very secure.
It is not encrypted.
It is very fast.
It is easy to configure.
For transmitting sensitive information, which protocol is recommended?
Telnet
FTP
Secure Shell (SSH)
HTTP
What is the primary function of Virtual Network Computing (VNC)?
File transfer
Remote desktop control
Email communication
Web browsing
Which of the following is a feature of Microsoft Remote Desktop?
File transfer
Clipboard sharing
Printing
All of the above
What is a key advantage of third-party remote assistance tools like Join.me?
They are less secure than built-in tools.
They offer additional features like file transfer and chat windows.
They are always free to use.
They only work on specific operating systems.
What is a remote agent?
A tool for scheduling remote sessions
A type of remote assistance software that allows connection without end-user intervention.
A hardware device for remote access
A security protocol for remote connections
What are the three types of components to be aware of when considering devices and resources on a network?
Input, output, and processing
Hardware, software, and firmware
Servers, clients/workstations, and resources
Cables, connectors, and adapters
What two additional items are required to tie network components together?
Power supply and cooling system
Operating system and applications
NOS (Network Operating System) and a shared medium
Keyboard and mouse
What is the function of a Network Operating System (NOS)?
To provide internet access
To manage hardware components
To enable communication and resource sharing on a network
What are the two types of shared media in a network?
Analog and digital
Input and output
Hardware and software
Wired and wireless connectivity
What is an example of a server's function on a network?
Requesting files
Providing file storage
Displaying web pages
Connecting to a keyboard
What is the role of a client in a network?
Managing network security
Providing resources
Requesting and accessing resources
Controlling network traffic
Which of the following is an example of a network resource?
CPU
RAM
Printer
Monitor
What is the purpose of the OSI model?
To define network hardware
To provide a standard way of describing network protocols
To encrypt network traffic
To manage IP addresses
How many layers are in the OSI model?
4
5
6
7
What happens to data as it moves through the layers of the OSI model?
It is compressed.
Each layer adds its own information (header).
It is routed through different network paths.
It is converted to analog signals.
What is the most common term for wireless networking today?
Cellular
Bluetooth
Wi-Fi
Infrared
What organization manages WLAN standards in the U.S.?
ISO
ANSI
IEEE
FCC
What device is at the center of a wireless network?
Hub
Switch
Wireless router or wireless access point
Modem
What does CSMA/CA stand for?
Carrier Sense Multiple Access/Collision Detection
Carrier Sense Multiple Access/Collision Avoidance
Circuit Switch Multiple Access/Collision Avoidance
Code Division Multiple Access/Collision Detection
What factors define 802.11 standards?
Cable type, cost, security, speed
Speed, maximum distance, frequency, modulation technique
Security, cost, distance, cable type
How many other devices can a Bluetooth device communicate with in one piconet?
3
5
7
9
What is a scatternet?
A type of Bluetooth antenna
A network of more than one piconet
A device that boosts Bluetooth signals
A Bluetooth security protocol
What is the purpose of an RFID tag?
To transmit audio signals
To identify items
To create a wireless hotspot
To amplify radio waves
What is a characteristic of a passive RFID tag?
It has its own power source.
It has a longer range than active tags.
It draws power from the RFID reader.
It can transmit data over 100 meters.
What is a MiFi device?
A type of antenna
A cellular modem that acts as a mobile Wi-Fi hotspot
A Bluetooth beacon
A satellite modem
What is the most commonly used protocol suite today?
Which OSI layer is equivalent to the TCP/IP Host-to-Host layer?
Application Layer
Network Layer
Transport Layer
Data Link Layer
Which two protocols operate at the Host-to-Host layer of TCP/IP?
HTTP and FTP
TCP and UDP
IP and ICMP
DNS and DHCP
What is the main difference between TCP and UDP?
TCP is faster than UDP.
TCP guarantees packet delivery, while UDP does not.
UDP is connection-oriented.
TCP uses port numbers, but UDP does not.
What is the purpose of port numbers in TCP/IP?
To identify network cables
To encrypt data
To keep track of conversations and ensure data reaches the correct application
To assign IP addresses
What is the range of well-known port numbers?
0-255
0-1023
1024-65535
49152-65535
What does DNS do?
Assigns IP addresses dynamically
Translates domain names to IP addresses
Manages network hardware
Encrypts network traffic
What is APIPA used for?
Assigning public IP addresses
Automatic IP addressing in small, isolated LANs
Configuring DNS servers
Routing network traffic
What is the primary benefit of IPv6?
Simpler configuration
Faster data transfer speeds
Larger address space
Improved security
How are IPv6 addresses written?
Binary
Decimal
Octal
Hexadecimal
