Online Access Free 4A0-C04 Practice Test

Select the answer below that correctly lists the 5 different OSPF packet types.

• A.Hello, Link State Update, Link State Packet, Link State Acknowledgement, Database Descriptor
• B.Hello, Link State Update, Link State Request, Link State Acknowledgement, Database Descriptor
• C.Link State Update, Link State Refresh, Link State Acknowledgement, Database Descriptor, Notification
• D.Hello, Link State Refresh, Link State Update, Link State Acknowledgement, Link State Authentication

Which of the following regarding the location of an MPLS label is FALSE?

• A.The MPLS label value may be carried in a shim header.
• B.The MPLS label value may be carried in an OSPF header.
• C.The MPLS label value may be carried in an ATM header.
• D.The MPLS label value may be carried in a Frame Relay header.

Click the exhibit.

Assume all router-IDs are properly configured, and IPv6 link-local addresses are used to establish all eBGP sessions. Given the following iBGP configuration on router A, what is the Next Hop for prefix
2001:DB8:A:401::1/128 on router B?

• A.The IPv6 global address of router A.
• B.The IPv6 link-local address of the router A interface towards router D.
• C.The IPv6 link-local address of the router D interface towards router A.
• D.The IPv6 global address of router D.

Which of the following regarding "well-known discretionary'' BGP attributes is TRUE?

• A.They must be recognized by all peers and optionally included in BGP updates.
• B.They must be recognized by all peers and included in all BGP updates.
• C.They are discarded if not recognized by the recipient.
• D.The receiving router sends a notification if a well-known discretionary attribute is not present in an update.

Click the exhibit.

If router A originates a BGP route for prefix 192.168.0.1/27, what will the update contain when it reaches router B?

• A.Null AS Path, Next Hop of router A, Origin of incomplete.
• B.AS Path of 65200, Next Hop of router A, Origin of incomplete.
• C.AS Path of 65200, Next Hop of router A, Origin of IGP.
• D.Null AS Path, Next Hop of router A, Origin of IGP.