Binding should be manually configured.
It is not supported if IEEE 802.1x port-based authentication is enabled.
The DHCP server must support option 82， or the client is not assigned an IP address.
It filters based on source IP address only.
第1题：
Your boss is learning a CCNA training course，refer to the exhibit.The access list has been configured on the S0/0 interface of router RTB in the outbound direction.Which two packets，if routed to the interface，will be denied？（）access-list 101 denytcp192.168.15.320.0.0.15any eq telnetaccess-list 101 permitip any any
A.source ip address:192.168.15.5;destination port: 21
B.source ip address:,192.168.15.37 destination port: 21
C.source ip address:,192.168.15.41 destination port: 21
D.source ip address:,192.168.15.36 destination port: 23
E.source ip address:192.168.15.46;destination port: 23
F.source ip address:,192.168.15.49 destination port: 23
第2题：
A.source ip address：192.168.15.5 destination port：21
B.source ip address：192.168.15.37 destination port：21
C.ssource ip address192.168.15.41 destination port：21
D.source ip address：192.168.15.36 destination port：23
E.source ip address：192.168.15.46 destination port：23
F.source ip address：192.168.15.49 destination port：23
第3题：
A. source MAC address
B. source IP address
C. source switch port
D. destination IP address
E. destination port address
F. destination MAC address
第4题：
Switch R1 has been configured with the root guard feature. What statement is true if the spanning tree enhancement Root Guard is enabled？ （）
第5题：
What is the port number of an IPsec Encapsulating Security Payfoad packet？（）
第6题：
A.protocol
B.VLAN number
C.TCP or UDP port numbers
D.source switch port number
E.source IP address and destination IP address
F.source MAC address and destination MAC address
第7题：
What is true about IP Source Guard with port security？（）
第8题：
A. The source and destination addresses
B. The destination port number
C. The destination address
D. The source address
E. All of the above
第9题：
Which of the following descriptions about IP spoofing is correct？（）
第10题：
A standard IP access list is applied to an Ethernet interface of a router. What does this standard access list filter on?（）