4A0-100 試験問題を無料オンラインアクセス

Which of the following describes a static default route?

• A.A manual entry used when the destination address of a network is not specifically listed in the routing table.
• B.A routing entry, included in the RIB by default, that forwards packets with an unknown destination to the CPM for inspection.
• C.A default entry in the FIB used when forwarding multicast and broadcast packets.
• D.A manual entry that matches a specific /32 host address using the least cost to the destination.

A switch with the MAC FDB shown receives an Ethernet frame with source MAC address 00:00:8c:01:00:0a and destination MAC address 00:00:8c:01:00:0c. On which port is the frame forwarded?

• A.1/1/3
• B.1/1/4
• C.1/1/2
• D.1/1/1

Which of the following statements about packet forwarding is FALSE?

• A.The router looks for a longest match to the destination IP address.
• B.If there is no match in the forwarding table, the router sends a "No route to destination" notification.
• C.The router consults the forwarding table on the ingress IOM.
• D.The router resolves the next-hop address of the matching route to a physical interface.

What is the basic unit of framing in SONET and the bit rate for its transmission?

• A.STS-1 with a bit rate of 51.84 Mbit/s
• B.STS-1 with a bit rate of 155.52 Mbit/s
• C.STS-1 with a bit rate of 1.544 Mbit/s
• D.STS-1 with a bit rate of 2.048 Mbit/s

Which of the following mediums can be used in a VPWS when defining SAPs (Select three)?

• A.ATM.
• B.Token Ring.
• C.Frame Relay.
• D.Ethernet.