Which default LDP parameter are you able to change with CLI?

A. Label space mode

B. Label retention

C. Control mode

D. Keepalive factor

LDP is enabled on both ends of a point-to-point link, but the "show router Idp status" command indicates that LDP is operationally down. The Oper Down Reason field shows the message "systemIpDown." What might cause this condition?

A. The LSP is in the administrative down state.

B. The router's router ID overlaps another.

C. The router's interfaces do not have LDP running.

D. The router's system interface requires an IP address

Which of the following about LSPs is FALSE?

A. IGP-based LSPs are calculated based on information contained in routing tables.

B. Constraint-based LSPs are calculated using the head-end router's TED.

C. Constraint-based LSPs must use RSVP-TE signaling.

D. IGP-based LSPs must use LDP signaling.

Click on the exhibit.

Both Path-1 and Path-2 are down. If Path-2 becomes available again, how does the headend router select the secondary LSP path?

A. The router will switch to Path-2 because it is the first secondary path configured in the list.

B. The router will not switch to Path-2 because the current path has the longest uptime.

C. The router will switch to Path-2 because it is a more preferred path.

D. The router will not switch to Path-2 because the router will not revert to another secondary path.

Which of the following is a function of the control plane in an MPLS router?

A. Label swapping

B. Pushing a label on an unlabeled packet

C. Label allocation

D. Routing lookups