Misuse and Abuse
Port Scan/Host Sweep
Traffic Normalization
Traffic Thresholds
第1题：
A. Traffic addressed to the chassis that requires some form of special handling by the RE before it can be forwarded out an egress port.
B. Traffic that enters an ingress port, is compared against the forwarding table, and is forwarded out an egress port.
C. Any traffic that requires the generation of an ICMP message.
D. Traffic that requires some form of special attention and does not pass through the device.
第2题：
On your newly installed router, you apply the access list illustrated below to interface Ethernet 0 on a Cisco router. The interface is connected to the 192.168.1.8/29 LAN.access-list 123 deny tcp 192.168.166.18 0.0.0.7 eq 20 anyaccess-list 123 deny tcp 192.168.166.18 0.0.0.7 eq 21 anyHow will the above access lists affect traffic?（）
A. All traffic will be allowed to exit E0 except FTP traffic.
B. FTP traffic from 192.168.166.19 to any host will be denied.
C. FTP traffic from 192.168.166.22 to any host will be denied.
D. All traffic exiting E0 will be denied.
E. All FTP traffic to network 192.168.166.18/29 from any host will be denied.
第3题：
Click the Exhibit button.Assume the default-policy has not been configured.Given the configuration shown in the exhibit, which two statements about traffic from host_a in the HR zone to host_b in the trust zone are true? （）(Choose two.)
A. DNS traffic is denied.
B. HTTP traffic is denied.
C. FTP traffic is permitted.
D. SMTP traffic is permitted.
第4题：
What does the interface subcommand switchport voice vlan 222 indicate？（）
第5题：
A vessel outbound from a port or pilot station within an inshore traffic zone is recommended to ______．
A.call at a port，pilot station，destination or sheltered anchorage
B.use the appropriate lane other than the adjacent traffic separation scheme
C.use the inshore traffic zone
D.join the adjacent traffic lane as soon as possible
第6题：
The following access list was applied outbound on he E0 interface connected to the 192.168.1.8/29 LAN:access-list 123 deny tcp 192.168.1.8 0.0.0.7 eq 20 anyaccess-list 123 deny tcp 192.168.1.9 0.0.0.7 eq 21 anyWhat effect will this access list have?（）
A. All traffic will be allowed to exit E0 except FTP traffic.
B. FTP traffic from 192.168.1.22 to any host will be denied.
C. FTP traffic from 192.168.1.9 to any host will be denied.
D. All traffic exiting E0 will be denied.
E. All FTP traffic to network 192.168.1.8/29 from any host will be denied.
第7题：
A.FTP traffic from 192.169.1.22 will be denied
B.No traffic, except for FTP traffic will be allowed to exit E0
C.FTP traffic from 192.169.1.9 to any host will be denied
D.All traffic exiting E0 will be denied
E.All FTP traffic to network 192.169.1.9/29 will be denied
第8题：
A. DNS traffic is denied.
B. Telnet traffic is denied.
C. SMTP traffic is denied.
D. Ping traffic is permitted.
第9题：
根据过滤器的响应动作类型分类：告警日志（AlertLog）、阻断日志（BlockLog）、误用日志（Misuse and AbuseLog）、流量门限日志（Traffic Threshold Reports）。（）
第10题：
How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?（）