單項選擇題How does ERS use the VLAN tag?()

A. to provide service internetworking
B. to support transparency for Layer 2 frames
C. as a connection identifier to indicate destination
D. as a mapping to the DLCI in service internetworking
E. to provide a trunk by which all VLANs can navigate from one site to one or multiple sites


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題Your MPLS implementation is currently using internal backdoor links. What can you do to minimize the impact of having these links?()

A. use BGP as the CE-PE routing protocol
B. use OSPF as the CE-PE routing protocol
C. use EIGRP as the CE-PE routing protocol
D. use the SP to redistribute routes as external routes for OSPF and EIGRP
E. use route redistribution at each location to ensure external routes are imported into the IGP

2.多項選擇題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. MPLS 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 policies

4.多項選擇題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 attributes

5.多項選擇題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

最新試題

Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology?()

題型:單項選擇題

Which of the following is the primary consideration to scale VPNs?()

題型:單項選擇題

In a VoWLAN deployment, what is the recommended separation between cells with the same channel?()

題型:單項選擇題

Refer to the exhibit. Which two statements about the topologies shown are correct?()

題型:多項選擇題

As an experienced technician, you are responsible for Technical Support. Which of the following descriptions is correct about the characteristic of SLB one arm mode?()

題型:單項選擇題

The Cisco NAC Appliance is able to check which three items before allowing network access?()

題型:多項選擇題

What is the recommended practice when considering VPN termination and firewall placement?()

題型:單項選擇題

You are the network consultant from pass4sure.com. One of your customer has six sites, three of which process a large amount of traffic among them. He plans to grow the number of sites in the future. Which is the most appropriate design topology?()

題型:單項選擇題

Please match the Cisco STP enahancement term to its definition.()(1) BPDU guard(2) PortFast(3) BackboneFast(4) Loop guard(5) Root guard(a) shuts down a port that receives a BPDU when enabled(b) cuts convergence time by mas-age for indirect failure(c) prevents the aliernate or root port from being designated in absence of BPDUs(d )causes Layer 2 LAN interface access port to immediately enter the forwarding state(e) helps prevent bridging loops due to jni-directional link failures on point-to-point links

題型:單項選擇題

You are the Cisco Network Designer . Which is not major scaling, sizing, and performance consideration for an IPsec design?()

題型:單項選擇題