What type of filters can a standard IPv4 ACL specify?
Understand the Problem
The question is asking about the capabilities of a standard IPv4 Access Control List (ACL) with respect to the types of filters it can specify. It involves understanding network protocols and filtering criteria.
Answer
Source IP addresses only
A standard IPv4 ACL can specify filters based on source IP addresses only.
Answer for screen readers
A standard IPv4 ACL can specify filters based on source IP addresses only.
More Information
Standard IPv4 ACLs are simpler than extended ACLs, as they focus solely on the source IP address for filtering, without considering other parameters like destination address, protocol type, or port numbers.
Tips
A common mistake is trying to use a standard ACL to filter by port number or destination IP. Remember, standard ACLs can only use the source IP for filtering.
Sources
- CCNA4 Chapter 4 Flashcards - Quizlet - quizlet.com
- Types of IPv4 ACLs (4.4) > ACL Concepts | Cisco Press - ciscopress.com
- Summary (4.5) > ACL Concepts - Cisco Press - ciscopress.com
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