Which two statements about an IDS are true？（）

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.

单项选择题Refer to the exhibit. MPLS has been configured on all routers in the domain. In order for R2 and R3 to forward frames between them with label headers, what additional configuration will be required on devices that are attached to the LAN segment?（）

A.Decrease the maximum MTU requirements on all router interfaces that are attached to the LAN segment.
B.Increase the maximum MTU requirements on all router interfaces that are attached to the LAN segment.
C.No additional configuration is required. Interface MTU size will be automatically adjusted to accommodate the larger size frames.
D.No additional configuration is required. Frames with larger MTU size will be automatically fragmented and forwarded on all LAN segments.

单项选择题Refer to the exhibit. The show mpls interfaces detail command has been used to display information about the interfaces on router R1 that have been configured for label switching. Which statement is true about the MPLS edge router R1?（）

A.Packets can be labeled and forwarded out interface Fa0/1 because of the MPLS operational status of the interface.
B.Because LSP tunnel labeling has not been enabled on interface Fa0/1， packets cannot be labeled and forwarded out interface Fa0/1.
C.Packets can be labeled and forwarded out interface Fa1/1 because MPLS has been enabled on this interface.
D.Because the MTU size is increased above the size limit， packets cannot be labeled and forwarded out interface Fa1/1.