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Quizzes > Quizzes for Business > Technology

Take the Networking Fundamentals Chapter Assessment Quiz

Evaluate Your Core Networking Knowledge Quickly

Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art depicting elements related to Networking Fundamentals Chapter Assessment Quiz

Ready to test your knowledge with the Networking Fundamentals Chapter Assessment Quiz? This practice quiz is perfect for students and IT pros aiming to master core network basics and IP addressing. Dive into targeted questions on OSI layers, subnetting, and protocols to boost your confidence. Customize and reuse this assessment in our editor alongside other quizzes for a tailored study plan. For more focused drills, try the IP Networking Fundamentals Quiz or the Computer Networking Fundamentals Quiz.

Which OSI layer is responsible for bit-level transmission over a physical medium?
Transport
Physical
Network
Data Link
The Physical layer handles the transmission and reception of raw bit streams over a physical medium. It defines electrical and mechanical specifications for devices.
Which OSI layer provides logical addressing and routing of packets between networks?
Physical
Session
Presentation
Network
The Network layer assigns logical IP addresses and determines the best path for packet delivery across interconnected networks. It is responsible for routing.
In a star topology, each node is directly connected to which device?
Mesh
Bus
Hub
Ring
A star topology features a central hub that connects all nodes. All data passes through this hub, which manages communication.
Which classful IP address has a first octet in the range 1 - 126?
Class C
Class A
Class D
Class B
Class A addresses span from 1.0.0.0 to 126.255.255.255, providing a large address space for major networks. Classes B and C use higher first-octet ranges.
Which device forwards Ethernet frames based on MAC addresses?
Hub
Switch
Router
Bridge
Switches examine frame header MAC addresses to decide which port should forward each frame, isolating collision domains. Hubs broadcast all signals and bridges are older two-port devices.
Which protocol uses TCP port 443 by default?
FTP
HTTPS
HTTP
SMTP
HTTPS secures HTTP traffic with TLS/SSL and listens on TCP port 443. HTTP by itself uses port 80, FTP uses 21, and SMTP uses 25.
What is the maximum number of usable hosts in a /29 IPv4 subnet?
30
254
6
14
A /29 subnet provides 8 total addresses; subtracting 2 for network and broadcast yields 6 usable host addresses.
What is the primary purpose of the ARP protocol?
Route packets between subnets
Encrypt data on the network
Map IP addresses to MAC addresses
Map domains to IP addresses
ARP resolves IPv4 addresses to their corresponding MAC addresses for local network communication at the data link layer. DNS handles domain-to-IP mapping.
Which protocol prevents switching loops in Ethernet networks?
RIP
BGP
STP
OSPF
Spanning Tree Protocol (STP) blocks redundant paths and creates a loop-free logical topology in layer 2 networks. RIP and OSPF are routing protocols, BGP is a path-vector protocol.
What is the role of a default gateway on a LAN?
Filter incoming traffic
Route packets outside the local subnet
Assign IP addresses to hosts
Resolve DNS names
The default gateway forwards traffic from a local network to external networks when the destination is not on the same subnet. It is typically the router interface address.
Which transport protocol provides connectionless data transfer?
ICMP
TCP
HTTP
UDP
UDP is a lightweight, connectionless protocol that sends datagrams without handshake procedures, trading reliability for reduced overhead. TCP establishes a session before data exchange.
Which IEEE standard defines VLAN tagging in Ethernet frames?
802.1Q
802.1D
802.3
802.11
IEEE 802.1Q inserts a 4-byte VLAN tag into Ethernet frames to identify VLAN membership. 802.1D covers bridging, and 802.11 covers wireless LANs.
What is the primary purpose of NAT on a router?
Provide encryption for IP traffic
Filter unauthorized access
Assign MAC addresses dynamically
Translate private IP addresses to public addresses
Network Address Translation (NAT) maps multiple private IP addresses to a public address space, conserving IPv4 addresses and adding a layer of network isolation.
Which routing protocol is classified as link-state?
RIP
OSPF
EIGRP
BGP
OSPF is a link-state protocol that builds a complete view of the network topology for precise path calculation. RIP is distance-vector, EIGRP is hybrid, and BGP is path-vector.
Which wireless security protocol provides the strongest encryption?
WPS
WPA
WEP
WPA2
WPA2 uses AES encryption, which is significantly more secure than the RC4-based encryption in WEP and the TKIP-based encryption in WPA. WPS is a setup method, not an encryption protocol.
How many bits must be borrowed to create 512 subnets from a /16 network?
10 bits
7 bits
9 bits
8 bits
Borrowing 9 bits from the host portion of a /16 network yields 2^9 = 512 subnets. Borrowing fewer bits would produce fewer subnets.
On network 172.16.0.0/24 using VLSM for 100 and 50 host subnets, what is the network address and mask of the second subnet?
172.16.0.128/25
172.16.0.192/27
172.16.0.64/26
172.16.0.128/26
The first VLSM subnet for 100 hosts is 172.16.0.0/25 (126 hosts). The next block for 50 hosts starts at 172.16.0.128 with a /26 mask (62 hosts).
At which OSI layer does IPsec ESP primarily operate?
Session
Transport
Network
Data Link
IPsec ESP provides confidentiality, integrity, and authentication at the Network layer (Layer 3) by encapsulating and protecting IP packets before routing.
Which version of SNMP introduced built-in encryption and authentication?
SNMPv4
SNMPv2c
SNMPv3
SNMPv1
SNMPv3 added a user-based security model with authentication and optional encryption. Earlier versions relied on unencrypted community strings.
In BGP, which attribute prevents routing loops by listing the AS numbers a route has traversed?
LOCAL_PREF
MED
NEXT_HOP
AS_PATH
The AS_PATH attribute records each autonomous system that a route has passed through, enabling BGP to detect and prevent routing loops. Other attributes serve different selection roles.
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Learning Outcomes

  1. Identify OSI model layers and functions
  2. Analyse common network topologies and use cases
  3. Demonstrate IP addressing and subnetting skills
  4. Apply basic routing and switching concepts effectively
  5. Evaluate essential network protocols and standards
  6. Master fundamental network security principles

Cheat Sheet

  1. Understand the OSI Model - Get ready to geek out over the seven layers - Physical, Data Link, Network, Transport, Session, Presentation, and Application - using the fun mnemonic "Please Do Not Throw Sausage Pizza Away." Mastering this model is like unlocking the secret code to how every packet of data travels across networks. Dive into the OSI Model Guide
  2. Explore Network Topologies - Picture your network as a city: star, bus, ring, and mesh layouts each have unique roadmaps, traffic flows, and scenic routes. Learning their perks and pitfalls helps you pick the perfect design for speed, reliability, and cost. Explore Common Network Topologies
  3. Master IP Addressing - IPv4 vs. IPv6 might sound like sci-fi, but it's just about addressing every device on the planet (and beyond!). Practice flipping between binary and decimal to become a true IP wizard. Basics of IP Addressing
  4. Practice Subnetting - Feel the power of carving a big network into nimble sub-networks: optimize performance, tighten security, and wear your subnet mask like a superhero cape. Crunch those numbers to figure out which bits are network, and which bits are party time for hosts. Subnetting Made Simple
  5. Understand Routing Concepts - Imagine routers as GPS units guiding data packets through the digital highways using routing tables and protocols like RIP, OSPF, and BGP. Learn the difference between static routes (your trusty paper map) and dynamic routes (real-time traffic updates). Routing Concepts Explained
  6. Grasp Switching Mechanisms - Switches are the bouncers at the Data Link layer, checking MAC addresses and directing traffic to the right port. Dive into VLANs to see how you can partition a party without moving a single cable. Learn About Switching and VLANs
  7. Familiarize with Network Protocols - From TCP/IP's handshake to HTTP's web browsing magic, protocols are the secret language that lets computers chat smoothly. Don't forget FTP for file swaps and DNS for translating human-friendly names into machine addresses. Protocols Demystified
  8. Learn Network Security Principles - Firewalls, encryption, and intrusion detection are your digital shields against sneaky threats like malware and phishing. Arm yourself with best practices to keep those network nasties at bay. Network Security Essentials
  9. Explore Wireless Networking - Cut the cords and dive into Wi-Fi standards, discover why WPA3 is your best security buddy, and tackle challenges like interference and range. See how the wireless world compares to good old wired connections. Wireless Networking 101
  10. Review Network Troubleshooting - When things break, turn into a network ninja with tools like ping, traceroute, and packet analyzers to pinpoint and zap issues at any OSI layer. Practice makes perfect, so hunt down those gremlins until your network purrs. Troubleshooting Toolkit
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