Chapter Four Quiz

Fill in the blanks. Use dotted decimal format. The wildcard mask that is associated with 192.168.12.96/27 is_________________

0.0.0.31

A network administrator configures an ACL with the command R1(config)# access-list 1 permit 172.16.0.0 0.0.15.255. Which two IP addresses will match this ACL statement?

172.16.0.255 172.16.25.36

Which IPv4 address range covers all IP addresses that match the ACL filter specified by 172.16.2.0 with wildcard mask 0.0.1.255?

172.16.2.0 to 172.16.3.255

Match each statement with the example subnet and wildcard that it describes. subnetwork address of a subnet with 14 valid host addresses

192.168.15.144 0.0.0.15

Match each statement with the example subnet and wildcard that it describes. the first valid host address in a subnet

192.168.15.65 255.255.255.240

Match each statement with the example subnet and wildcard that it describes. addresses with a subnet mask of 255.255.255.248

192.168.3.64 0.0.07

Match each statement with the example subnet and wildcard that it describes. hosts in a subnet with the subnet mask 255.255.252.0

192.168.5.0 0.0.3.255

What range of IP addresses is represented by the network and wildcard mask 192.168.70.0 0.0.0.127?

192.168.70.0 to 192.168.70.127

An administrator has configured an access list on R1 to allow SSH administrative access from host 172.16.1.100. Which command correctly applies the ACL?

R1(config-line)# access-class 1 in

A network administrator needs to configure a standard ACL so that only the workstation of the administrator with the IP address 192.168.15.23 can access the virtual terminal of the main router. Which two configuration commands can achieve the task? (Choose two.)

Router1(config)# access-list 10 permit host 192.168.15.23 Router1(config)# access-list 10 permit 192.168.15.23 0.0.0.0

Refer to the exhibit. A network administrator configures a named ACL on the router. Why is there no output displayed when the show command is issued?

The ACL name is case sensitive

Which three statements describe ACL processing of packets?

an implicit deny any rejects any packet that does not match any ACL statement a packet can either be rejected or forwarded as directed by the statement that is matched each statement is checked only until a match is detected or until the end of the ACL list is reached

Which three implicit access control entries are automatically added to the end of an IPv6 ACL? (Choose three.)

deny ipv6 any any permit icmp any any nd-ns permit icmp any any nd-na

Which two keywords can be used in an access control list to replace a wildcard mask or address and wildcard mask pair? (Choose two.)

host any

Match each statement with the example subnet and wildcard that it describes. all IP address bits must match exactl

host 192.168.15.12

Which statement describes a difference between the operation of inbound and outbound ACLs?

inbound ACLs are processed before the packets are routed while outbound ACLs are processed after the routing is completed.

What is the only type of ACL available for IPv6?

named extended

Which statement describes a characteristic of standard IPv4 ACLs?

they filter traffic based on source IP addresses only