This FC0-U61 practice question tests your understanding of infrastructure. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO of the following are common Ethernet cable categories used in local area networks?
Cat5e
Cat5e is a standard Ethernet cable supporting up to 1 Gbps.
USB
Why wrong: USB is for connecting peripherals, not Ethernet.
Coaxial
Why wrong: Coaxial cable is used for cable television and older networking, not typical Ethernet.
Cat6
Cat6 is an enhanced Ethernet cable supporting higher speeds than Cat5e.
HDMI
Why wrong: HDMI is for audio/video transmission, not networking.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Cat5e
Cat5e and Cat6 are twisted-pair cables commonly used for Ethernet. Coaxial is used for cable TV, HDMI for audio/video, USB for peripherals.
Key principle: OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Cat5e
Why this is correct
Cat5e is a standard Ethernet cable supporting up to 1 Gbps.
Related concept
OSPF neighbours must agree on key parameters.
USB
Why it's wrong here
USB is for connecting peripherals, not Ethernet.
Coaxial
Why it's wrong here
Coaxial cable is used for cable television and older networking, not typical Ethernet.
Cat6
Why this is correct
Cat6 is an enhanced Ethernet cable supporting higher speeds than Cat5e.
Related concept
OSPF neighbours must agree on key parameters.
HDMI
Why it's wrong here
HDMI is for audio/video transmission, not networking.
Common exam traps
OSPF neighbour formation depends on matching areas, timers, network type, authentication and passive-interface behaviour. Do not choose an answer only because the devices can ping.
Detailed technical explanation
OSPF questions usually test the details that control adjacency and route selection. Read the neighbour state, area, router ID and interface configuration before deciding what is wrong.
Key takeaway
OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Real-world example
A practitioner preparing for the FC0-U61 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related FC0-U61 OSPF questions on adjacency and route selection.
Infrastructure — study guide chapter
Learn the concepts, then practise the questions
Infrastructure practice questions
Targeted practice on this topic area only
All FC0-U61 questions
512 questions across all exam domains
CompTIA ITF+ FC0-U61 study guide
Full concept coverage aligned to exam objectives
FC0-U61 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Practise FC0-U61 questions linked to IT Concepts and Terminology.
Practise FC0-U61 questions linked to Infrastructure.
Practise FC0-U61 questions linked to Applications and Software.
Practise FC0-U61 questions linked to Software Development Concepts.
Practise FC0-U61 questions linked to Security.
Practise FC0-U61 questions linked to Database Fundamentals.
Practise FC0-U61 questions linked to FC0-U61 fundamentals.
Practise FC0-U61 questions linked to FC0-U61 scenario.
Practise FC0-U61 questions linked to FC0-U61 troubleshooting.
Practice this exam
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Infrastructure — This question tests Infrastructure — OSPF neighbours must agree on key parameters..
The correct answer is: Cat5e — Cat5e and Cat6 are twisted-pair cables commonly used for Ethernet. Coaxial is used for cable TV, HDMI for audio/video, USB for peripherals.
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related FC0-U61 OSPF questions on adjacency and route selection.
OSPF neighbours must agree on key parameters.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jun 24, 2026
This FC0-U61 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U61 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.