What are two reasons that a network administrator would use access lists? (Choose two.) （）。

A . The network was originated via redistribution of an interior gateway protocol into BGP B . The network was defined by a static route C . The network was originated via a network or aggregate command D . The network was learned via EBGP E . The network was learned via IBGP

A . architectures that is inflexible and inefficient B . desire to use the same vender for desktop and server deployments C . selecting best-performing vendors for each individual component D . existing equipment has reached and of life E . increasing operational costs of managing data centers F . demand among users for access to information anytime, anywhere

A . You have too many tables. B . Your tables are too long. C . Your tables have difficult names. D . You want to work on your own tables. E . You want to use another schema's tables. F . You have too many columns in your tables.

A . Use WFQ， CBWFO， and LLO to prioritize delay-sensitive packets B . Use WFO， CBWFO， and LLO to compress the payload. C . Give TCP packets priority over UDP packets. D . Use control plane policing for cRTP queuing. E . Use stacker and predictor to compress the payload.

A . Information about port roles is sent to all switches. B . RSTPs that are based on Cisco products require no additional configuration. C . Features such as UplinkFast and BackboneFast are compatible with RSTP. D . An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.

A . The network was originated via redistribution of an interior gateway protocol into BGP B . The network was defined by a static route C . The network was learned via IBGP D . The network was learned via EBGP E . The network was originated via a network or aggregate command

A . ATM B . IDS C . IOS D . IOX E . IPS F . SDM

A . to verify the type of cable interconnecting two devices B . to determine the status of network services on a remote device C . to obtain VLAN information from directly connected switches D . to verify Layer 2 connectivity between two devices when Layer 3 fails E . to obtain the IP address of a connected device in order to telnet to the device F . to determine the status of the routing protocols between directly connected router

A . telnet access does not require a password B . nat C . no broadcast D . chanage of destination address in the ipv6 header E . chanage of source address in the ipv6 header F . autoconfiguratio

A . serialization delay B . overrun C . full buffers and queues D . propagation delay E . shaping delay F . TCP header error

A . Inoculate systems by applying update patches.  B . Limit traffic rate.  C . Apply authentication.  D . Quarantine infected machines.  E . Enable anti-spoof measures.

A . to control vty access into a router B . to control broadcast traffic through a router C . to filter traffic as it passes through a router D . to filter traffic that originates from the router E . to replace passwords as a line of defense against security incursio

A .  Shared Distributed Destinations （SDD） B .  Uniform Distributed Destinations （UDD） C .  Weighted Distributed Destinations （WDD） D .  Bounced Distributed Destinations （BDD）

A . ATM B . IDS C . IOS D . IOX E . IPS F . SDM

A .  to eliminate the need for VoIP gateways B .  to scale a VoIP installation with multiple gateways C .  to provide call admission control and limit the number of simultaneous calls on the network  D .  to meet the requirement to control H·323 gateways on a LAN E .  to accept call requests and reduce the load on the gateway

A .  Use WFQ， CBWFQ， and LLQ to prioritize delay-sensitive packets. B .  Use WFQ， CBWFQ， and LLQ to compress the payload. C .  Give TCP packets priority over UDP packets. D .  Use control plane policing for cRTP queuing. E .  Use stacker and predictor to compress the payload.

A . demand among users for access to information anytime, anywhere B . desire to use the same vender for desktop and server deployments C . existing equipment has reached and of life D . increasing operational costs of managing data centers E . architectures that is inflexible and inefficient F . selecting best-performing vendors for each individual component

A . Router1 has specific boot system command that instruct it to load IOS from TFTP server. B . Router1 is acting as a TFTP server for other routers. C . Router1 cannot locate a valid IOS image in flash memory. D . Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server. E . Cisco routers will first attempt to load a image from TFTP for management purposes.

A . It requires the use of ARP. B . It can support multiple IPv6 subnets on a single link. C . It supports up to 2 instances of OSPFv3 over a common link. D . It routes over links rather than over networks.

A . to verify the type of cable interconnecting two devices B . to determine the status of network services on a remote device C . to obtain VLAN information from directly connected switches D . to verify Layer 2 connectivity between two devices when Layer 3 fails E . to obtain the IP address of a connected device in order to telnet to the device F . to determine the status of the routing protocols between directly connected router

A . to verify the type of cable interconnecting two devices B . to determine the status of network services on a remote device C . to obtain VLAN information from directly connected switches D . to verify Layer 2 connectivity between two devices when Layer 3 fails E . to obtain the IP address of a connected device in order to telnet to the device F . to determine the status of the routing protocols between directly connected router

A．Grooming may cause an enemy or predator to be confused. B．Grooming is a convenient and accessible behavior. C．Grooming often occurs before eating and drinking. D．Grooming is a common social activity. 此题为多项选择题。

A．Drought. B．Toxin in the crop. C．The mosaic virus. D．The barren soil.