The answer is HTTP traffic from the 192.168.1.0/24 network to host 10.1.1.1. This is correct because the ACL permits TCP traffic sourced from the 192.168.1.0/24 subnet and destined for the specific host 10.1.1.1 on port 80, which is the standard port for HTTP (www). On the Certified Associate in Project Management CAPM exam, this type of question tests your ability to read an ACL entry and map it to a real-world traffic flow, often appearing in the ITTO or network-related sections of the project communications management domain. A common trap is confusing the source and destination—remember that the source network comes first in the permit statement, and the destination is the specific host or network after the keyword "host." To avoid this, use the memory tip: "Source first, destination last, and port 80 means HTTP traffic."
CAPM Predictive Plan-Based Methodologies Practice Question
This CAPM practice question tests your understanding of predictive plan-based methodologies. 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.
Exhibit
access-list 101 permit tcp 192.168.1.0 0.0.0.255 host 10.1.1.1 eq www
access-list 101 deny ip any any
Refer to the exhibit. A network engineer applies this ACL to an interface. What traffic is permitted?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
HTTP traffic from the 192.168.1.0/24 network to 10.1.1.1.
The ACL permits TCP traffic from the 192.168.1.0/24 network to host 10.1.1.1 on port 80 (www). All other traffic is denied.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
All TCP traffic from 192.168.1.0/24 to 10.1.1.1.
Why it's wrong here
Only TCP with destination port 80 is allowed, not all TCP.
✗
All traffic from 192.168.1.0/24 to 10.1.1.1.
Why it's wrong here
Only TCP traffic on port 80 is permitted, not all protocols.
✓
HTTP traffic from the 192.168.1.0/24 network to 10.1.1.1.
Why this is correct
Correct: The permit statement allows HTTP (port 80) from that subnet to the specific host.
Related concept
Standard ACLs match source addresses.
✗
HTTP traffic from any source to 10.1.1.1.
Why it's wrong here
The source is limited to 192.168.1.0/24, not any source.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
Standard ACLs match source addresses.
Extended ACLs can match source, destination, protocol and ports.
The first matching ACL entry is used.
There is usually an implicit deny at the end.
TExam Day Tips
→Check inbound versus outbound direction.
→Read the ACL from top to bottom.
→Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Real-world example
How this comes up in practice
A security administrator must allow nursing staff to reach a patient records server while blocking access from the guest Wi-Fi VLAN. After applying an extended ACL, traffic is still blocked from nursing workstations. The ACL was applied outbound instead of inbound on the wrong interface. Questions like this test ACL direction and placement rules.
What to study next
Got this wrong? Here's your next step.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related CAPM ACL questions on filtering logic and placement.
Predictive Plan-Based Methodologies — This question tests Predictive Plan-Based Methodologies — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: HTTP traffic from the 192.168.1.0/24 network to 10.1.1.1. — The ACL permits TCP traffic from the 192.168.1.0/24 network to host 10.1.1.1 on port 80 (www). All other traffic is denied.
What should I do if I get this CAPM question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related CAPM ACL questions on filtering logic and placement.
What is the key concept behind this question?
Standard ACLs match source addresses.
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