200-201 Security Policies and Procedures Practice Question
This 200-201 practice question tests your understanding of security policies and procedures. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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
Refer to the exhibit.
ip access-list extended BLOCK_CRITICAL
deny tcp any any eq 3389
deny tcp any any eq 23
permit ip any any
Refer to the exhibit. A security policy states that all remote desktop (RDP) and Telnet access from external networks must be blocked. Does the above access-list comply with the policy?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Yes, because it denies RDP and Telnet.
The ACL explicitly denies RDP (port 3389) and Telnet (port 23) and permits all other traffic, which fully meets the policy requirement. The policy does not require blocking other services.
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.
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 200-201 ACL questions on filtering logic and placement.
Security Policies and Procedures — This question tests Security Policies and Procedures — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Yes, because it denies RDP and Telnet. — The ACL explicitly denies RDP (port 3389) and Telnet (port 23) and permits all other traffic, which fully meets the policy requirement. The policy does not require blocking other services.
What should I do if I get this 200-201 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 200-201 ACL questions on filtering logic and placement.
What is the key concept behind this question?
Standard ACLs match source addresses.
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Question Discussion
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