Which of the following options are things that a standard IP ACL could be configured to do?
(Choose two answers.)

(A) Match the exact source IP address
(B) Match all IP addresses in a subnet with one accesslist command without matching other IP addresses
(C) Match IP addresses 20.2.2.2 through 20.2.2.22 with one access-list command without matching other IP addresses
(D) Match only the packet’s destination IP address

A and B are the correct answers.

Standard ACLs check the source IP address. Matching all hosts in a subnet can be accomplished with the access-list 1 permit 20.2.2.0 0.0.0.255 command. The address range 20.2.2.2 – 20.2.2.22 can be matched by an ACL, but it requires multiple access-list commands.