Question 1

The OLT supports the ( ) VLAN attributes. (Select All that Apply)

Options :

A : MUX

B : Stacking

C : Common

D : QinQ

Answer: B,C,D

Question 2

The 48-bit MAC addresses of computer network interface cards are allocated by the IETF to vendors and globally unique.

Options :

A : TRUE

B : FALSE

Answer: B

Question 3

The routing table of a router contains the following two entries: Destination/Mask Protocol Pre Cost Nexthop Interface 9.0.0.0/8 OSPF 10 50 1.1.1.1 Serial0 9.1.0.0/16 RIP 100 5 2.2.2.2 Ethernet0 If the router needs to forward packets with the destination address of 9.1.4.5, which of the following statements is correct?

Options :

A : The router selects the first route, because the priority of OSPF is higher.

B :

The router selects the second route, because this route matches the destination address 9.1.4.5 more accurately.

C : The router selects the second route, because the metric of RIP is smaller.

D :

The router selects the second route, because the outbound interface is Ethernet0, which is faster than Serial0.

Answer: B

Question 4

Which of the following parameters are defined in an ONT line profile?

Options :

A : Mapping between GEM ports and data packets

B : GEM ports

C : T-CONT

D : Number of Ethernet ports on the ONT

Answer: A,B,C

Question 5

Which of the following commands can be used to query the receive optical power of an ONU?

Options :

A : display ont optical-info

B : display pon optical-info

C : display board

D : display port state

Answer: A