Which three categories of signatures can a Cisco IPS microengine identify？（）

单项选择题WhichstatementaboutanIPSistrue？（）

A.The IPS is in the traffic path.
B.Only one active interface is required.
C.Full benefit of an IPS will not be realized unless deployed in conjunction with an IDS.
D.When malicious traffic is detected，the IPS will only send an alert to a management station.

多项选择题WhichtwostatementsaboutanIDSaretrue？（）

A.The IDS is in the traffic path.
B.The IDS can send TCP resets to the source device.
C.The IDS can send TCP resets to the destination device.
D.The IDS listens promiscuously to all traffic on the network.
E.Default operation is for the IDS to discard malicious traffic.

单项选择题WhichstatementdescribestheAuthenticationProxyfeature？（）

A.All traffic is permitted from the inbound to the outbound interface upon successful authentication of the user.
B.A specific access profile is retrieved from a TACACS+ or RADIUS server and applied to an IOS Firewall based on user provided credentials.
C.Prior to responding to a proxy ARP，the router will prompt the user for a login and password which are authenticated based on the configured AAA policy.
D.The proxy server capabilities of the IOS Firewall are enabled upon successful authentication of the user.

多项选择题WhatarethreefeaturesoftheCiscoIOSFirewallfeatureset？（）

A.network-based application recognition （NBAR）
B.authentication proxy
C.stateful packet filtering
D.AAA services
E.proxy server
F.IPS

多项选择题WhichthreestatementsaboutIOSFirewallconfigurationsaretrue？（）

A.The IP inspection rule can be applied in the inbound direction on the secured interface.
B.The IP inspection rule can be applied in the outbound direction on the unsecured interface.
C.The ACL applied in the outbound direction on the unsecured interface should be an extended ACL.
D.The ACL applied in the inbound direction on the unsecured interface should be an extended ACL.
E.For temporary openings to be created dynamically by Cisco IOS Firewall，the access-list for thereturning traffic must be a standard ACL.
F.For temporary openings to be created dynamically by Cisco IOS Firewall，the IP inspection rule must be applied to the secured interface.