Which two link protocols are used to carry multiple VLANs over a single link?（）

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  A . 2001：DB8：：1 and 2001：DB8：：2 B . 2001：DB8：：9 and 2001：DB8：：10 C . 2001：DB8：：10 and 2001：DB8：：17 D . 2001：DB8：：1 and 2001：DB8：：18

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• Which routing protocol supports a flexible area structure using routing levels one and two?（）

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• Which two commands can be used to verify a trunk link configuration status on a given cisco switch?（）

  A . show interfaces interface B . show interfaces trunk C . show interfaces switchport D . show ip interface brief E . show interfaces vla

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• Which two commands can be used to verify a trunk link configurationt status on a given cisco switch？（）

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• Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree  Protocol IEEE 802.1D？ （）

  A . Designated Root Cost B . bridge ID priority C . max age D . bridge ID MAC address E . Designated Root Priority F . forward delay

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• Which characteristics are representative of a link-state routing protocol?（）

  A . Provide common view of entire topology B . Exchange routing tables with neighbors. C . Calculates shortest path. D . Utilizes event triggered updates. E . Utilizes frequent periodic updates.

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• Which routing protocol supports a flexible area structure using routing levels one and two？（）

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• Which two differentiators make RSTP the preferred protocol for preventing Layer 2 loops in a switchednetwork environment?（） (Choose two.)

  A . Features such as UplinkFast and BackboneFast are compatible with RSTP. B . An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements. C . Cisco proprietary enhancements are not transparent. D . Information about port roles is sent to all switches. E . RSTPs that are based on Cisco products require no additional configuration.

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• Which two statements are characteristics of a distance vector routing protocol?（）

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• Which two statements are characteristics of a distance vector routing protocol？（）

  A . RIP is an example of distance vector routing protocols. B . Updates are periodic and include the entire routing table. C . Routing updates are sent only after topology changes D . The protocol can be useful in hub-and-spoke and hierarchical networks. E . Convergence is usually faster than with link state protocols F . Each router has its own view of the topology

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• Two switches are connected through a trunk link.which two commands show that there is a native VLAN mismatch on that link？（）

  A . show interfaces interface B . show vlan brief C . show interfaces interface switchport D . show interface interface trunk E . show interfaces vla

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• Which two values are used by Spanning Tree Protocol to elect a root bridge (Choose two.)（）。

  A . amount of RAM B . bridge priority C . IOS version D . IP address E . MAC address F . speed of the link

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• Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree Protocol IEEE 802.1D？（）

  A .  Designated Root Cost B .  bridge ID priority C .  max age D .  bridge ID MAC address E .  Designated Root Priority F .  forward delay

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• Which two values are used by Spanning Tree Protocol to elect a root bridge? (Choose two.)（）。

  A . amount of RAM B . bridge priority C . IOS version D . IP address E . MAC address F . speed of the link

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• Two switches are connected through a trunk link.which two commands show that there is a native VLAN mismatch on that link?（）

  A . show interfaces interface B . show vlan bri C . show interfaces interface switchport D . show interface interface trunk E . show interfaces vla

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• Which two statements about using the CHAP authentication mechanism in a PPP link are true?（）

  A . CHAP uses a two-way handshake B . CHAP authentication periodically occurs after link establishment C . CHAP has no protection from playback attacks D . CHAP authentication is performed only upon link establishment E . CHAP uses a three-way handshake F . CHAP authentication passwords are sent in plaintext

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• Which two commands can be used to verify a trunk link configurationt status on a given cisco switch?（）

  A . show interfaces interface B . show interfaces interface trunk C . show interfaces interface switchport D . show ip interface brief E . show interfaces vla

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• Which configuration option will cause the link between two Cisco 3600 Series Multiservice Platforms to become a functional trunk？（）

  A . switchport dynamic auto switchport dynamic auto B . switchport access vlan 10 switchport mode dynamic desireable C . switchport mode trunk switchport nonegotiate D . Leave both ports with the default trunk setting

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• Which  two routing protocols require a metric to be configured when redistributing routes from other protocols?（）

  A . RIP B . BGP C . IS - IS D . OSPF E . EIGRP

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• Which two values are used by Spanning Tree Protocol to elect a root bridge?（）

  A . amount of RAM B . bridge priority C . IOS version D . IP address E . MAC address F . speed of the link

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• If the OSPF protocol is used to connect customer edge （CE） routers to service provider edge（PE） routers in the VPN backbone， which two options best describe the use of SHAM links？（）

  A . A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor link B . A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchanged C . A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor door D . A SHAM link is part of OSPF network of MPLS-VPN provider

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