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WorksheetsNetwork Topologies and Protocols Quiz
Total questions: 50
Worksheet time: 25mins
Which network topology requires a dedicated point-to-point link between every device, resulting in the highest cable cost?
Star
Bus
Ring
Mesh
In which topology is network failure most likely to occur if the central connecting device fails?
Bus
Star
Ring
Mesh
Which topology uses a single backbone cable to which all nodes are directly connected?
Star
Mesh
Ring
Bus
Which of the following is a disadvantage of a Star topology?
Easy to install and manage.
Failure of one device does not affect the rest of the network.
Easy to detect and isolate faults.
Requires a large amount of cable compared to a Bus topology.
A network that combines the characteristics of two or more simple topologies (e.g., two Star networks connected by a Bus backbone) is classified as a:
Simple Topology
Point-to-Point link
Complex Structure
Hybrid Topology
Which guided transmission media offers the highest data transmission rate and is immune to electromagnetic interference?
Coaxial Cable
Unshielded Twisted Pair (UTP)
Fiber Optic Cable
Shielded Twisted Pair (STP)
Which cable type is most commonly used for modern 100 Mbps and 1 Gbps Ethernet networks within an office building?
Coaxial
Fiber Optic
Unshielded Twisted Pair (UTP)
Single-mode Fiber
A key characteristic of guided (wired) transmission media is:
Communication is often limited to line-of-sight.
It has a dedicated physical path for signal transmission.
Signal propagation is subject to atmospheric interference.
It is only suitable for local area networks.
Communication that uses radio waves and does not require a physical conductor between the sender and receiver is referred to as:
Guided Media
Baseband Signaling
Broadband Signaling
Unguided Media
Which category of cables suffers the most from attenuation (signal loss) over short distances?
Fiber Optic Cable
Coaxial Cable
Twisted Pair Cable
Single-mode Fiber
Which device operates at the Physical Layer (Layer 1) and only amplifies or regenerates the signal to extend the network segment's reach?
Switch
Router
Bridge
Repeater
Which device uses MAC addresses to filter and forward data frames to specific ports, reducing unnecessary traffic?
Repeater
Router
Hub
Switch
A device that connects two different networks (or subnets) based on logical addresses (IP addresses) and chooses the best path for data is a:
Switch
Bridge
Modem
Router
A Hub's primary function in a network is to:
Filter data frames based on MAC addresses.
Connect different networks using IP addresses.
Act as a central point of connection for all devices.
Convert analog signals to digital signals.
A network device that translates between two networks that use completely different communication protocols (e.g., LAN to a corporate mainframe) is most accurately called a:
Router
Bridge
Switch
Gateway
A network that covers a campus or a small geographic area, usually owned by a single organization, is called a:
MAN
WAN
PAN
LAN
The Internet is the largest example of which type of network?
Personal Area Network (PAN)
Local Area Network (LAN)
Wide Area Network (WAN)
Storage Area Network (SAN)
A Metropolitan Area Network (MAN) typically spans the area of a:
Single room or office.
Small country or continent.
City or large town.
Vehicle or aircraft.
An IP address is primarily used to identify a device:
On the same local network segment.
Globally across interconnected networks.
At the Physical layer.
Using a hardware-embedded address.
In a Peer-to-Peer network model, which of the following is true?
Security is centrally managed by a dedicated server.
All devices can function as both clients and servers.
It requires a dedicated operating system for resource sharing.
It is typically used for very large enterprise networks.
Which type of network traffic is characterized by a single sender sending a message to a specific, single receiver?
Multicast
Anycast
Unicast
Broadcast
Which protocol is primarily used for resolving domain names (like www.google.com) into IP addresses?
FTP
SMTP
DNS
DHCP
The principle of network security that ensures data is not altered or destroyed in an unauthorized manner is called:
Confidentiality
Integrity
Availability
Throughput
The purpose of a subnet mask is to:
Encrypt data packets for security.
Determine which portion of an IP address represents the network ID and the host ID.
Convert an IP address to a MAC address.
Assign dynamic IP addresses to network devices.
The process of breaking a large network into smaller, distinct subnetworks is called:
Fragmentation
Aggregation
Subnetting
Tunneling
The standard port number used by HyperText Transfer Protocol (HTTP) is:
23
80
443
110
The command used to check connectivity from one computer to another:
SNMP
ping
IGMP
www
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules is known as a:
Load Balancer
Router
Firewall
Repeater
Which network performance metric measures the variation in packet delay (lag) over time?
Bandwidth
Throughput
Jitter
Latency
The hardware component that physically connects a computer to the network medium and has a unique MAC address is the:
CPU
RAM
Network Interface Card (NIC)
Operating System (OS)
A device that takes a digital signal and modulates it into an analog signal for transmission over phone lines, and demodulates the analog signal back to digital, is a:
Switch
Modem
Router
Repeater
In modern networking, the term 'Cloud Computing' represents an extension of which fundamental network concept?
Peer-to-Peer networking
Centralized resource sharing over WAN
Bus topology
Physical Layer signaling
Which term refers to the actual amount of data successfully transmitted over a communication link in a given amount of time?
Bandwidth
Throughput
Latency
Propagation Delay
In the URL https://www.example.com/page.html, what does the https part signify?
The name of the server hosting the site.
The specific file being requested.
The protocol used, indicating a secure, encrypted connection.
The location of the main domain controller.
The portion of a URL like .com, .org, or .net is known as the:
Subdomain
Top-Level Domain (TLD)
Protocol Identifier
Resource Locator
What is the primary purpose of using a Virtual Private Network (VPN)?
To increase the local network's data transfer speed.
To connect multiple local printers to a server.
To encrypt internet traffic and mask the user's real IP address.
To convert a MAC address into an IP address.
An attempt by a criminal to trick a user into revealing personal information (like passwords or credit card numbers) through deceptive emails or websites is called:
DoS Attack
Phishing
Subnetting
Tunneling
Why is using the same password for multiple online accounts a security risk?
It causes network latency and slow speeds.
If one account is compromised, all linked accounts are vulnerable.
Modern firewalls can automatically block repeated passwords.
It violates the standards of the Data Link Layer.
Small text files stored on a user's computer by a web browser, typically used to track preferences or maintain login sessions, are called:
Scripts
Cookies
Packets
Tokens
When sending an email, placing an address in the BCC (Blind Carbon Copy) field means:
The recipient will receive the email but cannot reply.
The recipient will see their own address, but not the addresses in the To or CC fields.
The recipient will receive the email, and their address is hidden from other recipients.
The email will only be delivered if the primary recipient forwards it.
The difference between the To field and the CC (Carbon Copy) field in an email is:
CC recipients are prioritized for receiving the message first.
CC recipients are usually expected to take direct action, while To recipients are for notification.
The To field is for the primary recipient(s) and the CC field is for recipients who are informed.
The CC field limits the recipient to only viewing the message text, not attachments.
What does ISP stand for?
Internet Security Protocol
Internal Server Partition
Information Sending Process
Internet Service Provider
When you pay for a higher 'speed' internet plan from your ISP, you are primarily increasing the:
Latency of the connection.
Throughput (actual successful data transfer rate).
Bandwidth (maximum potential data rate).
Signal-to-Noise Ratio (SNR).
Unsolicited or unwanted junk electronic messages, especially email, are commonly referred to as:
Phishing
Spam
Tunneling
Malware
What is the primary function of a search engine (like Google or Bing) on the internet?
To manage network routers and firewalls.
To store every piece of data exchanged between users.
To index and categorize content from websites, making it searchable.
To assign static IP addresses to new network devices.
Which type of network topology allows for easy addition of new devices without disrupting the network?
Ring
Mesh
Star
Bus
Which device is primarily responsible for filtering traffic and preventing unauthorized access to a network?
Firewall
Switch
Hub
Router
Which network device is responsible for forwarding data packets between different networks based on their IP addresses?
Bridge
Switch
Router
Hub
What is the main advantage of using a Mesh topology in a network?
It is the easiest to set up and manage.
It allows for faster data transmission speeds.
It provides redundancy and reliability in connections.
It requires less cabling than other topologies.
Which protocol is primarily used for secure communication over the internet?
SMTP
HTTPS
FTP
HTTP
