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Question 1:
Which of the following must be configured on a router in order to deny packets
based on specific tests?
A. Access lists
B. RIP
C. IGRP
D. Source routing
Question 2:
When using a standard access list, which of the following criteria can routers
use for filtering packets?
A. MAC address
B. Port numbers
C. Specific protocols
D. Source address
Question 3:
Along with the packet type, Cisco IOS access lists also check what?
A. Physical layer headers
B. Upper layer headers
C. Lower layer headers
D. Data link headers
Question 4:
What is a possible use of ACLs?
A. Increased network traffic
B. Decreased security
C. Packet filtering
D. Decreased latency
Question 5:
Which order are the statements in an access list processed to determine
whether packets should be processed or discarded?
A. From bottom of the list up
B. In random order
C. By prioritizing the incoming packets
D. In sequential order
Question 6:
What happens to a packet that does not match any of the tests in an access
list?
A. It is discarded.
B. It is sent to the recipient.
C. It is stored until the access list is updated.
D. It is returned to the sender.
Question 7:
What is the final step in implementing an access list?
A. Apply the access list to one or more interfaces.
B. Set the parameters for the access list tests.
C. Determine the state of the access list.
D. None of the above
Question 8:
Which type of access list uses the number range 100-199?
A. IPX standard
B. AppleTalk
C. IP standard
D. IP extended
Question 9:
IP access lists use which of the following to determine which address bits are
examined?
A. Subnet masks
B. Network masks
C. Host IDs
D. Wildcard bits
Question 10:
A wildcard mask bit of "1" means that the corresponding bit must be
___________.
A. checked
B. ignored
C. deleted
D. passed
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Question 11:
What would the wildcard mask be to deny traffic only on network 195.67.52.0?
A. 0.0.255.255
B. 255.255.255.0
C. 0.0.0.255
D. 255.255.0.0
Question 12:
In an access list, what word can replace 0.0.0.0 255.255.255.255?
A. Permit
B. Accept
C. Any
D. All
Question 13:
When checking a specific address in an access list, you can abbreviate the
address and mask 0.0.0.0 by entering the word ________.
A. permit
B. deny
C. any
D. host
Question 14:
Which type of access list would permit or deny part of a protocol suite?
A. Standard
B. General
C. Specific
D. Extended
Question 15:
Which command is used to keep track of how many packets were permitted or
denied based on an access-list?
A. eq
B. establish
C. ack
D. log
Question 16:
If you do not specify inbound or outbound on an access list, how will it be
applied?
A. Inbound
B. Outbound
C. Both inbound and outbound
D. It will not be applied
Question 17:
What does the following access list do?
access-list 1 deny host 172.16.4.13
access-list 1 permit 0.0.0.0 255.255.255.255
int e0
ip access-group 1
A. Blocks packets originating from 172.16.4.13 from going out port E0, but
permits all other traffic
B. Blocks packets originating from anywhere except 172.16.4.13 from going
out port E0
C. Permits traffic originating from anywhere except 172.16.4.13 to send
FTP packets into port E0
D. This is an invalid access list
Question 18:
Which wildcard mask would match the host range for the subnet 192.16.5.32
/27?
A. 0.0.0.32
B. 0.0.0.63
C. 0.0.63.255
D. 0.0.0.31
Question 19:
What type of access list would you use to permit or deny specific protocols
within the IP suite?
A. Extended
B. Protocol suite
C. Specific
D. Standard
Question 20:
Which port number is used for DNS?
A. 21
B. 33
C. 52
D. 53
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Question 21:
Which extended ACL parameter allows you to set the acknowledgement bit?
A. eq
B. ack
C. established
D. bit set
Question 22:
Which ACL would permit everyone to telnet to router 192.168.5.2?
A. router-a(config)#access-list 102 permit ip any host 192.168.5.2 eq 23
B. router-a#access-list 102 permit ip any host 192.168.5.2 eq 23
C. router-a(config)#access-list 102 permit tcp any host 192.168.5.2 eq 23
D. router-a#access-list 102 permit tcp any host 192.168.5.2 eq 23
Question 23:
Where should standard access lists be set?
A. Close to the source
B. Close to the destination
C. On any router in the network
D. Midway between source and destination
Question 24:
Access lists can be applied to traffic flowing in which direction?
A. Inbound only
B. Both inbound and outbound
C. Outbound only
D. Serial only
Question 25:
Which Cisco IOS command allows you to view the placement of an access list?
A. show access list
B. show access-group
C. show ip interface
D. show interface
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