Preparing for network interview questions can feel overwhelming, but the right strategy transforms stress into confidence. Whether you’re aiming for a junior support role or a senior network engineer position, mastering essential network interview questions helps you communicate clearly, think on your feet, and showcase real-world expertise. Verve AI’s Interview Copilot is your smartest prep partner—offering mock interviews tailored to networking roles. Start for free at https://vervecopilot.com.
What are network interview questions?
Network interview questions evaluate how well you understand networking fundamentals, protocols, hardware, and security concepts. They span topics like IP addressing, routing, switching, troubleshooting, and best practices for designing resilient, scalable architectures. Because modern businesses rely on dependable connectivity, employers use network interview questions to ensure candidates can maintain uptime, optimize performance, and safeguard data.
Why do interviewers ask network interview questions?
Hiring managers ask network interview questions to gauge your technical depth, logical reasoning, and practical experience. They want proof that you can move beyond theory—diagnosing real outages, configuring devices, and automating repetitive tasks. They also look for soft skills: clear communication, collaboration under pressure, and a proactive mindset for continuous improvement. Demonstrating mastery of network interview questions convinces them you can protect critical systems and drive innovation.
“You cannot swim for new horizons until you have courage to lose sight of the shore.” – William Faulkner. Great interview prep helps you develop that courage.
Preview: The 30 Network Interview Questions
What is an IPv4 address?
What are the different classes of IPv4?
Explain different types of networks.
What is a NIC?
Explain the difference between communication and transmission.
What is NAT?
What is a Network Operating System (NOS)?
What is a router?
What is a switch?
What is a gateway?
What is a firewall?
What is a VPN and how do businesses use it?
What is the OSI model?
What is the TCP/IP model?
What is the difference between TCP and UDP?
What is DNS?
What is DHCP?
What is a subnet?
What is a MAC address?
What is a proxy server?
How do you troubleshoot network connectivity issues?
What is packet switching?
What is a collision domain?
What is a broadcast domain?
What is latency in networking?
What is bandwidth?
How do you secure a wireless network?
What are the challenges of integrating legacy systems with modern networks?
How do you ensure compliance with industry standards?
What are the key characteristics of a good network administrator?
1. What is an IPv4 address?
Why you might get asked this:
Interviewers often open with fundamental network interview questions like this to confirm you grasp the basic language of networking. Knowing what an IPv4 address is shows you can identify devices, understand routing decisions, and calculate subnets. It also establishes a baseline for deeper queries about addressing limitations, NAT, and IPv6 migration strategies—areas critical to any network role.
How to answer:
State that an IPv4 address is a 32-bit numeric identifier written in dotted-decimal notation. Mention its role in uniquely identifying hosts, the total address space, and common uses of private versus public ranges. Briefly reference subnetting and why IPv4 exhaustion led to techniques like NAT and the adoption of IPv6. Keep it concise yet comprehensive, ending with a relevant metric or example.
Example answer:
“An IPv4 address is a 32-bit value split into four octets, such as 192.168.10.5, and it uniquely identifies a device on an IP network. In my last role rolling out a campus Wi-Fi upgrade, I assigned private Class C addresses to access points and used NAT on the edge firewall to map them to a single public IP. That setup conserved address space, kept internal hosts hidden, and demonstrated how foundational IPv4 is to everyday operations—knowledge recruiters validate through network interview questions.”
2. What are the different classes of IPv4?
Why you might get asked this:
Classes A through E underpin historical addressing and still appear in subnetting documents, so employers verify you understand legacy concepts to maintain or migrate older networks. Answering class ranges, default masks, and typical use cases proves you can interpret existing diagrams and perform troubleshooting without confusion—an ability assessed through targeted network interview questions.
How to answer:
Explain the five classes, give address ranges, and note default subnet masks. Clarify that Classes A–C serve hosts, D handles multicast, and E is reserved. Add that classful boundaries are mostly obsolete after CIDR but still matter when reading documentation. Finish by linking class knowledge to modern subnetting and summarizing why it matters in mixed environments.
Example answer:
“IPv4 originally used five classes. Class A ranges from 0.0.0.0 to 127.255.255.255 with a /8 mask, Class B 128.0.0.0–191.255.255.255 with /16, and Class C 192.0.0.0–223.255.255.255 with /24. Class D handles multicast, E is reserved. While CIDR lets us break away from strict class lines, I still reference the defaults when reverse-engineering legacy configs. Recognizing that a 10.0.0.0/8 falls in Class A quickly frames how many hosts we can accommodate, a nuance I highlight when tackling network interview questions.”
3. Explain different types of networks.
Why you might get asked this:
Employers need reassurance you can match network scale to business needs. From small PAN setups to global WAN links, choosing the right architecture affects cost, latency, and security. Delineating LAN, WAN, MAN, and PAN reveals your strategic thinking—exactly why this appears in so many network interview questions.
How to answer:
Define each type: PAN for personal gadgets, LAN for local office floors, MAN for city-wide fiber rings, and WAN for intercontinental links like MPLS or SD-WAN. Include common technologies, typical speeds, and real-world examples. Emphasize how distance, ownership, and throughput shape design decisions. Close by tying it back to how you’ve applied these distinctions in past projects.
Example answer:
“In my previous job, I designed a multi-campus network. We had Bluetooth PANs around conference kiosks, high-speed LANs on each floor using 10-gig switches, a dark-fiber MAN between local buildings, and an SD-WAN that linked us to European sites—making it a true WAN. Being able to articulate those layers helps stakeholders understand cost and performance trade-offs, so I always prepare this topic before network interview questions come up.”
4. What is a NIC?
Why you might get asked this:
A Network Interface Card connects hardware to the network, serving as the root of all higher-layer communication. Interviewers probe this to ensure you appreciate how physical components, drivers, and MAC addresses interact. Solid knowledge helps when diagnosing outages that start at the wire—frequent material for network interview questions.
How to answer:
Explain that a NIC is a hardware adapter, either integrated or add-on, giving devices physical and data-link capabilities. Mention key specs like speed, duplex, offloading features, and each NIC’s burned-in MAC. Touch on virtualization (vNICs) and how proper driver updates improve throughput. Wrap up with a brief success story involving NIC configuration.
Example answer:
“During a data-center refresh, I swapped servers’ 1-gig NICs for dual-port 10-gig cards and enabled LACP bonding. The NICs’ unique MACs registered with our DHCP reservations, letting us automate provisioning. That upgrade cut backup windows by 40 %. Knowing the role of a NIC from hardware pinouts to OS drivers is essential, which is why recruiters favor this subject in network interview questions.”
5. Explain the difference between communication and transmission.
Why you might get asked this:
Understanding subtle terminology helps avoid costly misunderstandings in design documents and incident reports. Communication implies a two-way exchange, while transmission is one-way. Demonstrating clarity here indicates strong documentation skills—an area scrutinized via network interview questions.
How to answer:
Define transmission as the act of sending data from source to destination, potentially unacknowledged. Define communication as bidirectional information flow including feedback or acknowledgments. Provide simple analogies (radio broadcast vs. phone call) and show why protocols like TCP enable communication with retransmissions while UDP may remain simple transmission. Conclude by noting how choosing the right model affects application performance.
Example answer:
“When we livestream a town-hall, the camera transmits UDP packets to a media server—one-way. When engineers SSH into routers, they communicate via TCP, exchanging acknowledgments that ensure reliability. Recognizing when you need full communication versus raw transmission lets us balance latency and reliability, a distinction I always emphasize when tackling conceptual network interview questions.”
6. What is NAT?
Why you might get asked this:
Network Address Translation is everywhere—from home routers to enterprise firewalls—so hiring managers test your grasp of address conservation, security, and troubleshooting NAT-related issues. Expect it in virtually all network interview questions lists.
How to answer:
Outline how NAT maps private internal IPs to one or more public addresses, maintaining translation tables. Explain static, dynamic, and PAT (overload) forms, and mention benefits (IPv4 conservation, hiding topology) plus drawbacks (breaks end-to-end visibility, complicates VoIP). Finish with a real scenario where you configured or debugged NAT.
Example answer:
“I managed a branch office that had 50 devices behind a single ISP address. Using PAT on our edge firewall, inside hosts were mapped to unique source ports. VoIP phones initially failed because SIP needed ALG tweaks, so I created a static one-to-one NAT for the PBX and opened specific ports. That hands-on success illustrates my comfort with NAT, a topic that often headlines network interview questions.”
7. What is a Network Operating System (NOS)?
Why you might get asked this:
Routers and switches run NOS software like IOS, NX-OS, or JunOS; server clusters rely on NOS features for file and print services. Interviewers gauge whether you can navigate commands, automate configs, and update firmware safely—skills directly tied to network interview questions.
How to answer:
Explain a NOS as specialized software enabling devices to manage networking functions such as routing tables, switching, authentication, and resource sharing. Mention examples, CLI vs. GUI, and the importance of version control. Highlight your experience scripting backups or automating upgrades with Ansible. Conclude with security patching best practices.
Example answer:
“On our spine-leaf fabric, we standardized on Cisco NX-OS and automated configs with Python and Ansible. That NOS let us deploy VXLAN overlays in minutes while maintaining compliance through regular TFTP backups. Understanding NOS behavior—from process scheduling to feature licensing—ensures uptime, which is why it’s a staple in network interview questions.”
8. What is a router?
Why you might get asked this:
Routers direct traffic between networks, so you must know routing protocols, table lookups, and performance tuning. Clear understanding signals you can design scalable topologies—central to many network interview questions.
How to answer:
Define a router as a Layer-3 device that forwards packets based on destination IP. Cite dynamic protocols (OSPF, BGP, EIGRP), static routes, and policy-based routing. Discuss hardware specs like CPU, TCAM, and interfaces. Include an example of optimizing route convergence.
Example answer:
“In a merger project, I deployed new routers, redistributed EIGRP into OSPF, and tuned dead intervals to hasten failover from 40 s to 6 s. The routers also handled NAT and QoS for VoIP. That holistic role of a router is why it dominates network interview questions.”
9. What is a switch?
Why you might get asked this:
Switches form the backbone of LANs; poor switching decisions create broadcast storms and bottlenecks. Interviewers ensure you know MAC tables, VLANs, and spanning-tree behaviors—key elements of network interview questions.
How to answer:
Describe a switch as a Layer-2 (and sometimes Layer-3) device that forwards frames based on MAC. Explain VLAN segmentation, STP, trunking, PoE, and modern features like VXLAN. Mention troubleshooting tools like port mirroring. Provide an anecdote about optimizing switch performance.
Example answer:
“I upgraded access switches to 802.1ax-capable models, enabling 30 W PoE for Wi-Fi 6 APs and voice phones. By pruning unused VLANs and enabling Rapid PVST+, we cut topology re-convergence to under a second. Deep switch knowledge always surfaces in network interview questions.”
10. What is a gateway?
Why you might get asked this:
A gateway connects different protocols and networks. Knowing default gateways, protocol conversions, and security implications showcases holistic thinking—attributes tested by network interview questions.
How to answer:
Define a gateway as an entry/exit node that translates or routes traffic between dissimilar systems, such as IPv4-to-IPv6 or TCP/IP-to-legacy protocols. Distinguish it from routers, mention examples like VoIP gateways, and explain default gateway importance on hosts. Provide context of configuring redundant gateways.
Example answer:
“When migrating to IPv6, we installed dual-stack gateways that translated between v4-only printers and our v6 backbone, ensuring business continuity. Establishing VRRP pairs provided redundancy. That experience demonstrates practical gateway deployment—a staple of network interview questions.”
11. What is a firewall?
Why you might get asked this:
Security sits atop every IT priority list. Employers assess whether you can craft policies, manage stateful inspection, and respond to threats. Consequently, firewalls frequently headline network interview questions.
How to answer:
Explain a firewall as hardware or software that inspects traffic against rules, using stateful or stateless methods. Discuss next-gen features like IPS, SSL decryption, and application awareness. Mention zones, default deny posture, and logging. Provide a story of tightening rules without causing outages.
Example answer:
“I inherited an overly permissive firewall with any-any rules. I implemented a staged cleanup, first enabling logging, then tightening policies by application ID. Over three months, we cut attack surface by 70 % without user disruption. My methodical approach to firewall management typically earns positive feedback during network interview questions.”
12. What is a VPN and how do businesses use it?
Why you might get asked this:
Remote work and cloud adoption make secure tunnels critical. Interviewers probe understanding of encryption, authentication, and performance trade-offs—key areas in network interview questions.
How to answer:
Define a VPN as an encrypted tunnel over public infrastructure. Differentiate site-to-site and remote-access models, mention IPSec, SSL, and WireGuard. Cover pros (confidentiality, integrity) and cons (latency, overhead). Wrap with a success story involving policy-based routing or split tunneling.
Example answer:
“During COVID, we scaled from 100 to 800 remote users in a week. By enabling IKEv2 split-tunnel VPN on our ASA cluster and using Duo MFA, we kept traffic secure while reducing load on the MPLS link by 40 %. Understanding how businesses leverage VPNs is core to many network interview questions.”
13. What is the OSI model?
Why you might get asked this:
The OSI model frames troubleshooting. Interviewers ensure you can map symptoms to layers—a foundational expectation visible across network interview questions.
How to answer:
List the seven layers, provide mnemonic, and explain why it’s conceptual. Offer quick real-world mappings: cables (Physical), MAC (Data Link), IP (Network), TCP (Transport), TLS (Session/Presentation), HTTP (Application). Show how you isolate problems by layer.
Example answer:
“When a VM couldn’t reach a database, I used OSI thinking: pings failed (Layer 3), but ARP resolved (Layer 2), indicating a routing issue. We updated OSPF and restored connectivity. That structured approach is why the OSI model remains a hot topic in network interview questions.”
14. What is the TCP/IP model?
Why you might get asked this:
Some companies use TCP/IP’s four-layer model. Interviewers check whether you can translate OSI to TCP/IP quickly—important for documentation and network interview questions.
How to answer:
Explain the four layers: Network Interface, Internet, Transport, and Application. Map them to OSI equivalents. Mention why the model simplified stack development. Show familiarity with core protocols like ARP, ICMP, TCP, UDP.
Example answer:
“For packet captures, I often reference the TCP/IP model because Wireshark groups frames by Internet (IP) and Transport (TCP/UDP) layers. Demonstrating this agility when discussing models helps me excel in network interview questions.”
15. What is the difference between TCP and UDP?
Why you might get asked this:
Choosing TCP or UDP affects application performance. Interviewers look for nuanced understanding and real use cases—regularly included in network interview questions.
How to answer:
Describe TCP as connection-oriented with sequencing, acknowledgments, congestion control; UDP is connectionless, faster, no guarantees. Provide examples: HTTP vs. DNS. Mention how apps like QUIC blur lines. Offer a scenario where you switched protocols.
Example answer:
“In our video platform, we swapped RTMP (TCP) for RTP/UDP to cut latency by 300 ms, tolerating minimal packet loss for smoother playback. Knowing when to pick each transport is exactly what network interview questions target.”
16. What is DNS?
Why you might get asked this:
Name resolution failures cripple productivity, so interviewers validate your skills with this ubiquitous service inside network interview questions.
How to answer:
Explain DNS as the hierarchical system that translates domain names to IPs. Cover record types (A, AAAA, MX, CNAME), caching, recursion, and security extensions like DNSSEC. Mention troubleshooting steps: nslookup, dig, checking TTLs.
Example answer:
“A misconfigured CNAME once caused 30 % of web traffic to 302-loop. I used dig to trace the referral chain, fixed the record, and lowered TTLs to accelerate propagation. My ability to resolve DNS issues fast gets noticed during network interview questions.”
17. What is DHCP?
Why you might get asked this:
Automated IP addressing is basic yet critical. Interviewers confirm you can configure scopes, options, and troubleshoot leases through network interview questions.
How to answer:
Define DHCP, explain DORA process, reservation, relay agents, and common options like 3 (gateway), 6 (DNS). Discuss security concerns (rogue servers) and high availability. Cite example of PXE boot or VoIP option 66.
Example answer:
“I deployed DHCP failover between two Windows servers using hot-standby, guaranteeing 99.99 % lease availability. We added option 43 for Wi-Fi controllers. Handling dynamic addressing reliably is why DHCP keeps popping up in network interview questions.”
18. What is a subnet?
Why you might get asked this:
Subnetting affects security, broadcast domains, and routing tables. Expect math-centric network interview questions to verify your proficiency.
How to answer:
Explain subnet as logical subdivision of an IP network. Describe CIDR notation, borrowing bits, and summarization benefits. Outline why organizations segment by department or function. Include brief calculation or VLSM mention.
Example answer:
“For a hospital, I split a /22 into eight /25 subnets, isolating medical devices from guest Wi-Fi. That cut broadcast traffic and simplified ACLs. Hands-on subnetting stories resonate strongly during network interview questions.”
19. What is a MAC address?
Why you might get asked this:
Media Access Control addresses anchor Layer-2 operations. Interviewers ensure you comprehend their format, vendor OUI, and relevance to switching—regular in network interview questions.
How to answer:
Define a MAC as 48-bit hex identifier burned into NICs, describe OUI, mention how switches learn and age MACs. Discuss spoofing, sticky MAC security, and impact on troubleshooting.
Example answer:
“When a rogue DHCP server popped up, I traced the offending MAC 00:1A:2B… to a lab switch port and shut it quickly. Mastering MAC behavior helps me excel at network interview questions.”
20. What is a proxy server?
Why you might get asked this:
Proxies improve performance and security. Employers test understanding of forward vs. reverse proxies—classic network interview questions territory.
How to answer:
Define proxy as intermediary that processes client requests. Outline caching, filtering, authentication, and anonymity features. Distinguish reverse proxy, load balancing, and SSL offload. Provide a deployment scenario.
Example answer:
“I implemented a Squid forward proxy with URL filtering to enforce HR policies and cut bandwidth by 25 % through caching. That success story often impresses panels during network interview questions.”
21. How do you troubleshoot network connectivity issues?
Why you might get asked this:
Troubleshooting reveals real expertise. Interviewers evaluate your systematic approach through situational network interview questions.
How to answer:
Describe a layered method: check physical, link, IP, DNS, routing, ACLs. Use baseline tools (ping, traceroute, show commands), diagram updates, and change management. Emphasize clear communication under pressure.
Example answer:
“Facing sudden VoIP drops, I confirmed link lights, then pinged the gateway—0 % loss. Traceroute hung at the MPLS edge, revealing a route leak. Rolling back the BGP update restored calls in 10 minutes. That calm, structured workflow is exactly what network interview questions probe.”
22. What is packet switching?
Why you might get asked this:
Modern networks rely on packet switching. Interviewers verify you can contrast it with circuit switching, critical in network interview questions.
How to answer:
Explain dividing data into packets routed independently, optimizing link utilization. Mention statistical multiplexing, QoS, and examples (Internet). Compare to circuit switching’s dedicated path model. Touch on latency vs. reliability.
Example answer:
“Streaming services flourish because packet switching lets thousands share backbone links efficiently. During a WAN redesign, we adopted MPLS with class-based QoS to prioritize voice packets, leveraging packet switching principles that commonly surface in network interview questions.”
23. What is a collision domain?
Why you might get asked this:
Understanding collision domains aids capacity planning. It’s a staple of network interview questions to test Ethernet fundamentals.
How to answer:
Define collision domain as a segment where simultaneous transmissions can collide, typically on hubs or shared media. Explain how switches create per-port domains, eliminating collisions. Mention half-duplex vs. full-duplex.
Example answer:
“Upgrading an old warehouse with hubs to switches removed collisions entirely, boosting throughput by 60 %. Recognizing collision domains is fundamental, so I’m always ready for this in network interview questions.”
24. What is a broadcast domain?
Why you might get asked this:
Broadcast storms can cripple networks. Interviewers include this in network interview questions to ensure you grasp VLAN segmentation.
How to answer:
Define broadcast domain as all devices that receive broadcast frames, bounded by routers or VLANs. Explain why limiting size improves performance. Describe DHCP and ARP reliance. Provide segmentation strategy.
Example answer:
“I reduced a 500-node flat LAN into ten VLANs, shrinking broadcast domains and slashing ARP traffic by 70 %. Being able to articulate such benefits is vital for network interview questions.”
25. What is latency in networking?
Why you might get asked this:
Performance metrics matter. Interviewers verify you can quantify, diagnose, and optimize latency—regular in network interview questions.
How to answer:
Explain latency as end-to-end delay measured in milliseconds. Break down components: propagation, serialization, queuing, and processing. Describe measurement tools and mitigation (CDNs, QoS, faster links). Provide example.
Example answer:
“We trimmed page load times by moving assets to an AWS edge location, slicing round-trip latency from 180 ms to 40 ms. Demonstrating latency awareness strengthens answers to network interview questions.”
26. What is bandwidth?
Why you might get asked this:
Bandwidth affects capacity planning. Interviewers ask about it in network interview questions to see if you consider throughput vs. goodput.
How to answer:
Define bandwidth as maximum data rate of a link. Differentiate between theoretical and effective throughput. Mention factors like protocol overhead and window size. Include example of upgrading links.
Example answer:
“Shifting our backup network to 40-gig fiber quadrupled bandwidth and cut nightly jobs from 8 hours to 2. Clear grasp of bandwidth concepts is essential for many network interview questions.”
27. How do you secure a wireless network?
Why you might get asked this:
Wireless threats evolve quickly. Interviewers assess your security toolkit through network interview questions focused on Wi-Fi.
How to answer:
Cover WPA3, 802.1X, rotating keys, disabling legacy ciphers, hiding SSID, MAC filtering, and RF planning. Mention rogue-AP detection and guest isolation. Provide compliance tie-in.
Example answer:
“I rolled out WPA3-Enterprise with certificate-based EAP-TLS and enabled AP rogue detection. Guests land on a separate VLAN with rate limits. We also used heat maps to reduce bleed-over. Discussing such multi-layer controls is common in network interview questions.”
28. What are the challenges of integrating legacy systems with modern networks?
Why you might get asked this:
Mergers often include outdated gear. Interviewers use these network interview questions to see if you manage risk.
How to answer:
List compatibility gaps, obsolete protocols, security vulnerabilities, and limited documentation. Suggest solutions: protocol converters, segmented VLANs, gateways, and phased replacement. Emphasize extensive testing and monitoring.
Example answer:
“When integrating a Token Ring controller into our Ethernet network, we sandboxed it behind a protocol gateway and placed stringent ACLs. Gradually replacing the controller minimized downtime. Tackling legacy integration always crops up in network interview questions.”
29. How do you ensure compliance with industry standards?
Why you might get asked this:
Regulated industries demand evidence of compliance. Interviewers fold this into network interview questions to verify governance knowledge.
How to answer:
Discuss frameworks like ISO 27001, NIST, GDPR. Explain gap analysis, policy creation, audits, and automated configuration checks. Mention documentation and staff training. Provide success example.
Example answer:
“I led a GDPR readiness project, encrypting data in transit with TLS 1.3, updating firewall logs for retention policy, and passing an external audit with zero findings. Knowledge of standards often differentiates candidates during network interview questions.”
30. What are the key characteristics of a good network administrator?
Why you might get asked this:
Soft skills matter. Employers weave this into network interview questions to gauge fit.
How to answer:
Highlight traits: attention to detail, curiosity, proactive monitoring, documentation, communication, and continuous learning. Relate them to incident response and project delivery. Share personal growth habits.
Example answer:
“I combine meticulous documentation with curiosity—I lab new features in GNS3 monthly. During a critical outage, clear communication kept stakeholders calm while I resolved a routing loop. This balance of technical depth and interpersonal skill defines a strong admin, a point often underscored in network interview questions.”
Other tips to prepare for a network interview questions
Rehearse aloud with peers or an AI recruiter like Verve AI Interview Copilot.
Build a study plan: review key protocols daily, subnetting drills weekly, full mock interviews bi-weekly.
Use flashcards for port numbers, timers, and acronyms.
Document your own war stories; real examples beat memorized definitions.
Record yourself answering network interview questions to refine pace and clarity.
Leverage labs: GNS3, EVE-NG, or vendor sandboxes.
Join communities: Network Chuck Discord, r/networking, or local Meetups.
You’ve seen the top questions—now it’s time to practice them live. Verve AI gives you instant coaching based on real company formats. Start free: https://vervecopilot.com.
Frequently Asked Questions
Q1: How many network interview questions should I expect in a typical technical round?
A: Most hiring managers ask 5–10 focused network interview questions, then dive deeper based on your answers.
Q2: Are certifications like CCNA enough to pass network interview questions?
A: Certifications help, but practical, project-based examples carry more weight during network interview questions.
Q3: How long should my answers to network interview questions be?
A: Aim for 45–90 seconds—enough detail to show expertise without rambling.
Q4: What tools can help me practice network interview questions?
A: Verve AI Interview Copilot, packet capture labs, and flashcard apps like Anki all accelerate prep.
Q5: Do employers still ask about IPv4 classes despite CIDR?
A: Yes, legacy documentation remains; therefore, classful addressing often appears in network interview questions.
Thousands of job seekers use Verve AI to land their dream roles. With role-specific mock interviews, resume help, and smart coaching, your network interview questions just got easier. Start now for free at https://vervecopilot.com.
