What best describes the features of the Cisco 850 Series routers？（） 

A . Brown conical tower with white horizontal band in center of light on black pier B . Red conical tower on brown cylindrical pier C . White octagonal house on brown cylindrical pier D . White conical tower，with brown band midway of height

A . The Turbo ACL feature processes ACLs into lookup tables for greater efficiency B . The Turbo ACL feature leads to increased latency， because the time it takes to match the packet isvariable C . The Turbo ACL feature leads to reduced latency， because the time it takes to match the packet is fixedand consistent D . Turbo ACLs increase the CPU load by matching the packet to a predetermined list

A .  IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command. B .  The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state. C .  IGMP snooping has been disabled on the VLAN 120 SVI. D .  IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode. E .  IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.

A . Cisco WCS supports third-party antennas for location applications. B . Access points that are defined with third-party antennas will not participate in rogue on-demand location tracking. C . Cisco WCS supports third-party antenna gain， azimuth， and elevation progation patterns. D . Access points that are defined with a third-party antenna in Cisco WCS will display coverage heat maps.

A . The IP Event Dampening uses exponential decay mechanism to suppress the effects of excessive interface flapping B . BGP Operators use IP Event Dampening to suppress the effect of unstable internet Routes C . The IP Event Dampening works with routing protocols by stopping the announcement of dampened interface subnets in their updates D . When IP Event Dampened internet routes resch their re-use limit BGP installs them in the Routing Table and announces them to other BGP speaker

A . Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the PErouter in originating AS ASBR to avoid misconfiguration in Route-Target assignment for VPN configurations. B . Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the route-Reflector in originating AS ASBR to avoid misconfiguration in Route-Target assignment for VPN configurations. C . Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the ASBR to avoid misconfiguration in Route-Target assignment for VPN configurations. D . None of the above.

A . Contempt B . Reservation C . Detachment D . Endorsement

A . analog trunks that provide the Survivable Remote Site Telephony (SRST) feature  B . analog trunks that provide VoIP gateway functionality  C . analog trunks that connect a gateway to plain old telephone service (POTS) device such as analog phones, fax machines, and legacy voice-mail systems   D . analog trunks that connect a gateway to a central office (CO) or private branch exchange (PBX)

A . the time required from receipt of the incoming frame， until the frame/packet has been queued for transmission B . the time taken for a single packet to traverse the physical medium from one end to the other C . the time taken to place a frame on the physical medium for transport D . the time spent for a packet to reside in the output queue of a router

A . bundled technical support and maintenance for Cisco networks B . bundled, unlimited support with the purchase of any Cisco product C . technical support, maintenance, and monitoring to Cisco networks D . fee-based add-on support and tech-to-tech assistance for Cisco product

A . A black ball that is hoisted when the ship anchors B . A buoy attached to the anchor C . A buoy attached to the scope of an anchor chain D . A mark of the number of fathoms in an anchor chai

A . verifies which operation types have been enabled for IP SLA source B . verifies which operation types have been enabled for IP SLA responder C . verifies which operation types are supported in software D . verifies enabled operation types that are not running

A．TimiD B．Boring． C．Emotionless． D．Brav

A．An assertion is made and a specific supporting example is given. B．A conventional model is dismissed and an alternative introduced. C．The results of recent research are introduced and summarized. D．Two oppos to points of view are presented and evaluated. 此题为多项选择题。

A．He was a man full of imagination and idea. B．He was a kind-hearted man who liked to help others. C．He was quick to see chance and ready to make improvements. D．Money-making was the thing that mattered most to him.

A．effect on demand for a good brought about by a change in money income regardless of the changes in prices B．effect on demand for a good induced by a change in real income C．change in consumer preferences effected by a redistribution of income D．effect on demand for a good induced by a change in the market price of the good

A、Size of the contract. B、Original time to maturity. C、Net amount owed by one party to the other.

A、Of a credit rating downgrade due to possible earnings shortfalls. B、Of failing to make a contractually promised payment. C、That portfolio value will fall below some minimum level at a future date.

A．Humanistic B．Objective C．Speculative D．Recriminatory

A．Caring and determined B．Honest and responsible C．Ambitious and sensitive D．Innocent and single-minded