The network administrator is configuring Unidirectional Link Detection (UDLD) on trk1 on an HP
Provision witch. The trk1 link aggregation group has these settings:
Interfaces = 48 and 49
Untagged VUAN = 1
Tagged VLANs = 2-4

How should the administrator complete the setup?

A.
Enable link-keepalive on both interfaces in the trunk (48 and 49).

B.
Enable link-keepalive on interface 48, specifying the VLAN as 1.

C.
On both interfaces in the trunk (48 and 49), enable link-keepalive, specifying the VLAN as 1.

D.
Enable link-keepalive on trk1

Explanation:
ftp://ftp.hp.com/pub/networking/software/2900yl-MCG-0207-T_12_XX-Chap10-
PrtStat-BasicCfg.pdf