Which are valid modes for a switch port used as a VLAN trunk？ （）

A.Router1 has specific boot system command that instruct it to load IOS from TFTP server.

B.Router1 is acting as a TFTP server for other routers.

C.Router1 cannot locate a valid IOS image in flash memory.

D.Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server.

E.Cisco routers will first attempt to load a image from TFTP for management purposes.

A.

B.

C.

D.

A.10.20.210.200

B.99.55.44.255

C.127.10.52.45

D.172.24.168.20

A.A

B.B

C.C

D.D

A.172.31.128.255./18

B.255.255.255.255

C.192.168.24.59/30

D.224.0.0.5

E.All of the above

A.

B.

C.

D.

A.PPP

B.WAP

C.DSL

D.Ethernet

E.L2TPv3

A.It is only considered valid if it includes words of negotiation

B.It requires the signature of the indorser to be valid

C.It can be negotiated just on delivery

D.It is considered a bearer instrument