4A0-104 試験問題を無料オンラインアクセス

In a Layer 2 encapsulation, using Martini, what does the second (bottom) label represent?

• A.VCI
• B.Operational Control Word
• C.VPI
• D.Tunnel Label
• E.VC Label

Which of the following about VPN labels is FALSE?

• A.They are swapped at each P router as a packet crosses the service provider network.
• B.They indicate to the egress PE the VPRN to which a packet belongs.
• C.They are also known as the inner label or service label.
• D.They are signaled between PE devices using MP-BGP.

When using MP-BGP for an IPv4 VPRN service, what address family needs to be used for a PE-CE BGP session?

• A.The IPv4 address family.
• B.The same address family must be used for the provider network and the PE-CE.
• C.Either IPv4 or VPN-IPv4 address families can be configured.
• D.The VPN-IPv4 address family.

Click the exhibit.

The operator at PE1 wants to analyze the traffic between CE4 and PE2. On an Alcatel-Lucent 7750 SR, which of the following is required as part of the configuration?

• A.PE1 needs a mirror source with the remote source specified.
• B.PE2 needs a mirror destination that specifies a SAP.
• C.Both PE1 and PE2 need a mirror source.
• D.PE2 needs a mirror source with the remote source specified.
• E.Both PE1 and PE2 need a mirror destination.

Click the exhibit.

The CEs use BGP and export policies to advertise their local prefixes with the VPRN on their PEs. If the VPRN is functioning properly, which of the following commands will succeed when performed on router R1?

• A."ping 192.168.20.1"
• B."ping 10.10.10.6" (router R6's system IP)
• C."oam vprn-ping 100 source 192.168.10.1 destination 192.168.20.1"
• D."oam vprn-ping 100 source 192.168.20.1 destination 192.168.10.1"