For which two of these purposes are Cisco Spectrum Expert used?（）

A .  class of service B .  bandwidth profiles C .  user-network interface D .  Ethernet LAN circuit attributes E .  Ethernet virtual circuit attribute

A .  An ACL can be applied to multiple interlaces. B .  An ACL wildcard mask is identical to an IP subnet mask. C .  There may be multiple ACLs per protocol， per direction， and per interface. D .  There is an "implicit deny" at the end of an ACL and will result in a dropped packet. E .  An ACL acts on all packets， those flowing thru the router and those originated by the router itself. F .  An ACL will be processed from top to bottom and may have multiple matches that will act on the packet that is being tested.

A . it is a layer 2 messaging protocol which maintains vlan configurations across network. B . it includes an 8-bit field which specifies the priority of a frame. C . it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes. D . it modifies the 802.3 frame header,and thus requires that the FCS be recomputed. E . it is a trunking protocol capable of carring untagged frames.

A . use ISL encapsulation B . use 802.1q encapsulation C . set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation D . use VTP server mode to support dynamic propagation of VLAN information across the network E . set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

A .  Layer 3 MPLS VPNs can forward only IP packets B .  Layer 2 MPLS VPNs can forward any network protocol C .  MPL S label paths are automatically formed based on Layer 2 frames D .  Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames E .  In Layer 2 MPLS VPNS， the service provider controls the customer Layer 3 policie

A . supports multiple protocols B . works only in a shared or loop environment C . allows addressing for up to 4 million nodes D . allows addressing for up to 8 million nodes E . provides a high speed transport for SCSI payloads F . may stretch to a distance of up to100 km before needing extender

A . passively listens to network traffic B . is an active device in the traffic path C . has a permissive interface that is used to monitor networks D . traffic arrives on one IDS interface and exits on another E . has a promiscuous interface that is used to monitor the network

A . RSTP cannot operate with PVST+. B . RSTP defines new port roles. C . RSTP defines no new port states. D . RSTP is a proprietary implementation of IEEE 802.1D STP. E . RSTP is compatible with the original IEEE 802.1D STP.

A . use a Layer 2 link between distribution switches B . use a Layer 3 link between distribution switches C . use a redundant link to the core D . use a Layer 3 link between distribution switches with route summarizatio

A . Create a system profile for each partition. Assign all needed resources as 'required'. B . Define all system resources as 'desired' on the Testing partition. Activate only as needed. C . Create two shared processor pools. Assign the minimal I/O resources required for each partition to the shared pools. D . Create both partitions with minimal 'required' resources, and optional resources as 'desired'. Activate each partition as necessary.

A . class of service B . bandwidth profiles C . user-network interface D . Ethernet LAN circuit attributes E . Ethernet virtual circuit attribute

A .  It is compatible with all wireless clients. B .  It reduces roaming latency through reduced client RF channel scanning enhancements. C .  It reduces roaming latency to targeted times of less than 75ms. D .  Roaming occurs without reauthentication through a centralized RADIUS server. E .  It is enabled through WLSE deployment.

A .  supports multiple protocols B .  works only in a shared or loop environment C .  allows addressing for up to 4 million nodes D .  allows addressing for up to 8 million nodes E .  provides a high speed transport for SCSI payloads F .  may stretch to a distance of up to 100 km before needing extender

A . SELECT TOTAL(*) FROM customers; B . SELECT COUNT(*) FROM customers; C . SELECT TOTAL(customer_id) FROM customers; D . SELECT COUNT(customer_id) FROM customers; E . SELECT COUNT(customers) FROM customers; F . SELECT TOTAL(customer_name) FROM customer

A . passively listens to network traffic B . is an active device in the traffic path C . has a permissive interface that is used to monitor networks D . traffic arrives on one IPS interface and exits on another

A .  multicast routing uses RPF B .  multicast routing is connectionless. C .  In multicast routing， the source of a packet is known. D .  When network topologies change， multicast distribution trees are not rebuilt， but use the originalpath E .  Multicast routing is much like unicast routing， with the only difference being that it has a a groupof receivers rather than just one destinatio

A . use a redundant link to the core B . use a Layer 2 link between distribution switches C . never use a redundant link to the core because of convergence issues D . use a Layer 3 link between distribution switches with route summarization E . use a Layer 3 link between distribution switches without route summarizatio

A .  available only in autonomous APs B .  available in autonomous and lightweight APs C .  a feature of WDS in autonomous APs D .  a feature of WDS in lightweight APs E .  requires at least one AP and one Wireless LAN Services Module

A . The SGA advisor will be disabled. B . The MTTR advisor will be disabled. C . Automatic checkpoint tuning will be disabled. D . Checkpoint information will not be written to the alert log file.

A .  passively listens to network traffic B .  is an active device in the traffic path C .  has a permissive interface that is used to monitor networks D .  traffic arrives on one IPS interface and exits on another

A . it is a layer 2 messaging protocol which maintains vlan configurations across network. B . it includes an 8-bit field which specifies the priority of a frame. C . it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes. D . it modifies the 802.3 frame header，and thus requires that the FCS be recomputed. E . it is a trunking protocol capable of carring untagged frames.

A . Create a system profile for each partition. Assign all needed resources as 'required'. B . Define all system resources as 'desired' on the Testing partition. Activate only as needed. C . Create two shared processor pools. Assign the minimal I/O resources required for each partition to the shared pools. D . Create both partitions with minimal 'required' resources, and optional resources as 'desired'. Activate each partition as necessary.

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/876248999433f0d62dae02333dece382.jpg' /> A. use a Layer 2 link between distribution switches B. use a Layer 3 link between distribution switches C. use a redundant link to the core D. use a Layer 3 link between distribution switches with route summarization

A.TACACS+ B.RADIUS C.Kerberos D.802.1X E.RRAS