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Which two of these are characteristics of Metro Ethernet？（）
A . class of service
B . bandwidth profiles
C . user-network interface
D . Ethernet LAN circuit attributes
E . Ethernet virtual circuit attribute
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Which two of these are correct regarding access control lists？ （Choose two.） （）
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.
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Which two of these are characteristics of the 802.1Q protocol?（）
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.
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Which two of these are recommended practices with trunks? （）
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.
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Which two of these statements best describe the benefits of WPAv1？ （）
A . SSID broadcast prevention
B . Improved mutual authentication
C . Improved encryption through AES
D . Improved protection against sniffing initialization vectors
E . RF jamming preventio
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Which three of these Metro Ethernet services map to E-Line services that are defined by the MEF？ （）
A . Ethernet Private Line
B . Ethernet Wire Service
C . Ethernet Relay Service
D . Ethernet Multipoint Service
E . Ethernet Relay Multipoint Service
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Which two of these are characteristics of MPLS VPNs？ （）
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
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Which two of these statements are true of IPv6 address representation?（）
A . There are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast.
B . A single interface may be assigned multiple IPv6 addresses of any type.
C . Every IPv6 interface contains at least one loopback address.
D . The first 64 bits represent the dynamically created interface ID.
E . Leading zeros in an IPv6 16 bit hexadecimal field are mandatory.
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Which two of these correctly describe Fibre Channel? （）
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
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Which two of these are characteristics of an IDS sensor？（）
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
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Which two of these statements regarding RSTP are correct？（）
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.
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Which two of these are recommended practices with trunks？ （）
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.
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Which two of these are recommended practices with trunks？（）
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 negotiatio
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Which two of these correctly describe asymmetric routing and firewalls?（）
A . only operational in routed mode
B . only operational in transparent mode
C . only eight interfaces can belong to an asymmetric routing group
D . operational in both failover and non-failover configurations
E . only operational when the firewall has been configured for failover
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Which two of these are characteristics of Metro Ethernet? （）
A . class of service
B . bandwidth profiles
C . user-network interface
D . Ethernet LAN circuit attributes
E . Ethernet virtual circuit attribute
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Which two of these correctly describe Fibre Channel？（）
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
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Which two of these Metro Internet services map to E-LAN services that are defined by the MEF？（）
A . Ethernet Private Line
B . Ethernet Wire Service
C . Ethernet Relay Service
D . Ethernet Multipoint Service
E . Ethernet Relay Multipoint Service
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Which two of these are characteristics of an IPS device?（）
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
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Which two of these are characteristics of multicast routing？ （）
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
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Which two of these statements best describe fast secure roaming？ （Choose two.）（）
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
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Which two of these statements regarding RSTP are correct?（）
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.
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Which two of these statements describe important aspects of performing a wireless site survey？ （Choose two.） （）
A . An 802.11 g access point with a variety of antennas can be used in all standard site surveys.
B . Site surveys can be performed manually or through assisted site survey.
C . Channel power during testing starts at the default minimum and gradually increases to the maximum.
D . Overlapping access points can create performance problems.
E . Surveys should be done after hours in an office building or during reduced inventory levels in warehouses.
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Which two of these are characteristics of an IPS device？（）
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
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Which two of these are characteristics of the 802.1Q protocol？（）
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.
