多选题What are two benefits of MLPPP?（）ACost-efficient solution when incrementing bandwidth.BProvides for fail over when the primary link goes down.CEvenly distributes traffic over participating member links.DGuarantees that the link will remain up during fa

第1题：

在1350OMS-PKT管理下，基于SDH的VCi之上建立的一条Link是什么类型的Link（）

• A、Link over TDM
• B、Link over T-MPLS
• C、Link Over Cable

第2题：

Which statement is true when using a Cisco Wireless Mesh Networking Solution？（）

• A、The backhaul link is dynamic 1 to 54Mb/s.
• B、The backhaul link is typically a fixed value.
• C、The backhaul link uses DAS antennas.
• D、The backhaul link uses antenna multiplexing.
• E、The backhaul link does not rely on fade margin.

第3题：

You have configured voice VLANs on Catalyst switch R1.  Which two statements are true about the  operation of voice VLANs on this device？ （）

• A、 When the voice VLAN feature is enabled， all untagged traffic is sent according to the default  CoS priority of the port.
• B、 Enabling voice VLANs enables the switch to create multiple queues for traffic that is entering a  port.
• C、 When voice VLANs are configured on a trunk link， UplinkFast must also be enabled.
• D、 Voice VLANs are configured to enable the switch to forward frames marked with the proper  CoS values over separate physical links.
• E、 Enabling voice VLANs enables the switch to forward frames with a specific 802.1P marking.

第4题：

Virtual PortChannels （vPCs） allow links that are physically connected to two different Cisco switches to appear to a third downstream device as coming from a single device and as part of a single port channel. Which of the following are components of a Virtual PortChannel system？ （）

• A、 Two peer devices： the vPC peers of which one is primary and one is secondary and are part of a vPC domain.
• B、 A Layer 3 Gigabit Ethernet link called peer-keepalive link to resolve dual-active scenarios
• C、 A redundant 10 Gigabit Ethernet PortChannel called a peer link to carry traffic from one system to the other when needed
• D、 vPC member ports forming the PortChannel
• E、 A dot1q trunk between the vPC peers
• F、 A management port that can be used as peer-keepalive link to resolve dual-active scenarios.

第5题：

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

• A、VTP
• B、802.1q
• C、IGP
• D、ISL
• E、802.3u

第6题：

When a new trunk is configured on a 2950 switch, which VLANs by default are allowed over the trunk link（）。

• A、no VLANs
• B、all VLANs
• C、only VLANs 1 - 64
• D、only the VLANs that are specified when creating the trunk

第7题：

Which two statements are true regarding redundancy groups？（）

• A、When priority settings are equal and the members participating in a cluster are initialized at the same time， the primary role for redundancy group 0 is assigned to node 0.
• B、The preempt option determines the primary and secondary roles for redundancy group 0 during a failure and recovery scenario.
• C、Redundancy group 0 manages the control plane failover between the nodes of a cluster.
• D、The primary role can be shared for redundancy group 0 when the active-active option is enabled

第8题：

When is an implicit anchor created?（）

• A、When an object is enclosed by another object. 
• B、When a page break after pagination property is enabled. 
• C、When a link is created between two objects. 
• D、When a keep with anchoring object pagination property is enabled.

第9题：

第10题：

第11题：

第12题：

第13题：

When should traffic shaping be implemented on Frame Relay PVCs？（）

• A、When you want to drop excess traffic above the CIR
• B、When there is a speed mismatch between the central site and the remote site
• C、When using Frame Relay SVCs
• D、When over-subscribing the central site link
• E、When LLQ is implemented on the Frame Relay PVC
• F、When Multilink PPP LFI is implemented on the Frame Relay PVC

第14题：

When is it appropriate to enable Link Fragmentation and Interleaving (LFI) on DSL connections for Teleworkers?（）

• A、uplink speed less than 768kbps
• B、supporting Voice-over-IP
• C、using PPPoE encapsulation
• D、using PPPoA encapsulation
• E、uplink speed greater than 768kbps

第15题：

What is the purpose of Dual Ring Interconnect with D C for SDH rings？（）

• A、Protects signals when a ring switch fails
• B、Protects signals when multiple span switches fail
• C、Protects pre-emptible traffic from being dropped when a ring switch occurs
• D、Protects signals against any combination of link failure in each ring

第16题：

What are two benefits for prospects, derived from the Cisco SBR Methodology?（）

• A、Creates a Link between Business and IT Planning
• B、Increase Customer Royalty
• C、Lowers TCO
• D、Increase Profitability

第17题：

What are two enhancements that OSPFv3 supports over OSPFv2? （）

• A、It requires the use of ARP.
• B、It can support multiple IPv6 subnets on a single link.
• C、It supports up to 2 instances of OSPFv3 over a common link.
• D、It routes over links rather than over networks.

第18题：

What is the purpose of the cisco Vlan Trunking protocol?（）

• A、to provide a mechanism to dynamically assign vlan membership to switch ports
• B、to allow traffic to be carried from multiple vlans over a single link between switches
• C、to allow native vlan information to be carried over a trunk link
• D、to provide a mechanism to manually assign vlan membership to switch ports
• E、to allow for managing the additions,deletions,and changes of vlans between switchs

第19题：

What are two benefits of MLPPP?（）

• A、Cost-efficient solution when incrementing bandwidth.
• B、Provides for fail over when the primary link goes down.
• C、Evenly distributes traffic over participating member links.
• D、Guarantees that the link will remain up during failure scenarios.

第20题：

第21题：

第22题：

第23题：

第24题：