Quiz on Access Control Lists (ACLs)

What is an ACL?

• D. A list of software applications

• A. A list of rules that filters packets as they are received by or forwarded out of an interface

• B. A list of programming conditions

• C. A list of network devices

What is the purpose of an ACL?

• A. To configure network interfaces

• B. To filter packets based on predefined rules

• C. To install software applications

• D. To manage network cables

What is the implicit deny in an ACL?

• A. A rule that permits all packets

• B. A rule that denies any packets not matched by the ACL's configured ACEs

• C. A rule that allows only specific IP addresses

• D. A rule that blocks all outbound traffic

How are ACLs applied to interfaces?

• C. Both inbound and outbound

• A. Inbound only

• B. Outbound only

• D. Not applied to interfaces

What is the purpose of sequence numbers in ACEs?

• C. To specify the destination port number

• B. To control where the ACE is inserted in the ACL

• D. To determine the ACL type

• A. To identify the source IP address

Which ACL type matches packets based on source IP address?

• A. Extended ACL

• D. Numbered ACL

• B. Named ACL

• C. Standard ACL

What is the purpose of the 'any' keyword in ACL configuration?

• A. Matches all IP addresses

• B. Matches specific IP addresses

• C. Matches only source IP addresses

• D. Matches only destination IP addresses

Where should standard ACLs be applied for filtering packets?

• C. In the middle of the network

• A. Close to the source

• B. Close to the destination

• D. At the network edge

What is the purpose of a remark in ACL configuration?

• D. To match specific IP addresses

• C. To control the ACL sequence

• B. To identify the ACL's purpose

• A. To specify the destination port number

How are named ACLs configured?

• B. Each ACE in a separate config mode

• C. Using only sequence numbers

• A. Entirely in global config mode

• D. Without specifying source IP addresses