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Which of these statements concerning the collection interfaces are true？（）
A . Set extends Collection.
B . All methods defined in Set are also defined in Collection.
C . List extends Collection.
D . All methods defined in List are also defined in Collection.
E . Map extends Collection.
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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 statements about penultimate hop popping are true？（）
A . It is used only for directly connected subnets or aggregate routes.
B . It can only be used with LDP.
C . It is only used when two or more labels are stacked.
D . It enables the Edge LSR to request a label pop operation from its upstream neighbors.
E . It is requested through TDP using a special label value that is also called the implicit-null value.
F . It is requested through LDP using a special label value that is also called the implicit-null value.
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Which of these statements about penultimate hop popping are true？（）
A . It is used only for directly connected subnets or aggregate routes
B . It can only be used with LDP.
C . It is only used when two or more labels are stacked.
D . It enables the Edge LSR to request a label pop operation from Its upstream neighbors
E . It is requested through TDP using a special label value that is also called the implicit-null value.
F . It is requested through LDP using a special label value that is also called the implicit-null value.
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Which three of these statements about PPPoE are true？（）
A . PPPoE can provide a host with access to a destination over Ethernet. You can have only one PPPoE session per PVC
B . You must install PPPoE client software on all hosts that connect to the Ethernet segment. This means that the access provider must maintain a CPE
C . You cannot use PPPoE with Cisco Service Selection Gateway
D . PPPoE implementation is susceptible to broadcast storms and possible denial-of-service attacks
E . Per-session accounting is possible， which allows the service provider to charge the subscriber based on session time for various services offered. The service provider can also require a minimum access charge
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Which three of these statements regarding 802.1Q trunking are correct？（）
A . 802.1Q native VLAN frames are untagged by default.
B . 802.1Q trunking ports can also be secure ports.
C . 802.1Q trunks can use 10 Mb/s Ethernet interfaces.
D . 802.1Q trunks require full-duplex， point-to-point connectivity.
E . 802.1Q trunks should have native VLANs that are the same at both ends.
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Which two of these statements correctly describe classic PIM-SM？（）
A . The IOS default is for a last-hop router to trigger a switch to the shortest path tree as soon as a new source is detected on the shared tree.
B . The IOS default is for every one of the routers on the shared tree to trigger a switch to the shortest path tree as soon as a new source is detected on the shared tree.
C . The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to "infinity."
D . The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to "zero."
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Which of these statements is correct regarding SSO and Cisco NSF?（）
A . Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds.
B . Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds.
C . Distribution switches are single points of failure causing outages for the end devices.
D . Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than one second.
E . NSF and SSO with redundant supervisors have the most impact on outages at the access layer.
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Which three of these statements regarding 802.1Q trunking are correct?（）
A . 802.1Q native VLAN frames are untagged by default.
B . 802.1Q trunking ports can also be secure ports.
C . 802.1Q trunks can use 10 Mb/s Ethernet interfaces.
D . 802.1Q trunks require full-duplex, point-to-point connectivity.
E . 802.1Q trunks should have native VLANs that are the same at both ends.
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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 three of these statements about Dynamic Trunking Protocol are correct？（）
A . It supports autonegotiation for both ISL and IEEE 802.1Q trunks.
B . It must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk.
C . It is a point-to-multipoint protocol.
D . It is a point-to-point protocol.
E . It is not supported on private VLAN ports or tunneling ports.
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Which one of these statements is true of OSPF type 5 LSAs？（）
A . They are used to summarize area routes to other areas.
B . They are used in not-so-stubby areas to propagate external routes.
C . They are used to notify areas of the ASBR.
D . They are flooded to all areas except stub areas （external route）.
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Which of these statements best describes VPLS？（）
A . Neither broadcast nor multicast traffic is ever flooded in VPLS.
B . Multicast traffic is flooded but broadcast traffic is not flooded in VPLS.
C . VPLS emulates an Ethernet switch， with each EMS being analogous to a VLAN.
D . Because U-PE devices act as IEEE 802.1 devices， the VPLS core must use STP.
E . When the provider experiences an outage， IP re-routing restores PW connectivity and MAC re-learning is needed.
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Which one of these statements is true of OSPF type 5 LSAs？ （）
A . They are used to summarize area routes to other areas.
B . They are used in not-so-stubby areas to propagate external routes.
C . They are used to notify areas of the ASBR.
D . They are flooded to all areas except stub areas （external route）.
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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 of these statements about FSPF is true？（）
A . It supports multipath routing
B . It can run any type of storage ports
C . When it is used， hop-by-hop routes are based only on the switch ID
D . When it is used， path status is based on the functionality of attached ports
E . It runs only on a switch fabric and cannot function in a VSAN
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Which of these statements is correct regarding SSO and Cisco NSF？（）
A . Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds.
B . Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds.
C . Distribution switches are single points of failure causing outages for the end devices.
D . Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than onesecond.
E . NSF and SSO with redundant supervisors have the most impact on outages at the accesslayer.
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Which of these statements is true about ssids configured in cisco adu？（）
A . ssids are not case-sensitive.
B . ssids must be listed in the same order in the adu as they are in the access point.
C . a maximum of three ssids may be configured.
D . ssids may have a maximum of 16 characters.
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Which of these statements best describes VPLS?（）
A . Neither broadcast nor multicast traffic is ever flooded in VPLS.
B . Multicast traffic is flooded but broadcast traffic is not flooded in VPLS.
C . VPLS emulates an Ethernet switch, with eachEMS being analogous to a VLAN.
D . Because U-PE devices act as IEEE 802.1 devices, the VPLS core must use STP.
E . When the provider experiences an outage, IP re-routing restores PW connectivity and MAC relearning is needed.
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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 of these statements did Confucius NOT say?
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Which of these statements about the Confucian idea of personal development is NOT TRUE?
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Which of these enterprise statements is NOT appropriate for your PEP?
