Which three of the following descriptions are true about the firewall modes？ （）

单项选择题Whatisthetraditionalmodeforafirewall？（）

A. routed mode
B. context mode
C. bridged mode
D. transparent mode
E. full security mode

多项选择题WhataretwocharacteristicsofGSS？（）

A. It helps verify end-to-end path availability.
B. It provides traffic rerouting in case of disaster.
C. HSRP， GLBP， and VRRP can be clients of GSS.
D. BGP must be the routing protocol between the distributed data centers.
E. DNS responsiveness is improved by providing centralized domain management.

多项选择题WhataretwocharacteristicsofOER？（）

A. It can take on HSRP， VRRP， and GLBP as clients.
B. It provides automatic inbound route optimization.
C. Path selection may be based on delay， loss， or jitter.
D. The border router makes decisions about which outbound path to use.
E. Automatic load distribution is provided for multiple connections.

多项选择题WhataretwocharacteristicsoftheSLBOne-armmode？（）

A. It is not as common as bridge mode
B. The MSFC is not directly connected to the CSM
C. Outbound traffic from servers may need to be directed by PBR or CSNAT to the CSM
D. The SLB is moved to a position where selected inbound and outbound server traffic goesthrough the SLB
E. The CSM statically routes inbound server traffic to the aggregation switch FWSM， then to the connected server subnet

单项选择题Atacertaincustomer’ssite，aNASisbothphysicallyandlogicallyinthetrafficpath.TheNAS identifiesclientssolelybasedontheirMACaddresses.InwhichaccessmodehasthisNASbeen configuredtooperate？（）

A. Layer 2 mode
B. Layer 3 Edge mode
C. Layer 3 Central mode
D. Layer 3 In-Band mode