Juniper MX Series

Chapter Review Questions

1. Which version of Junos is supported for three years?

   1. The first major release of the year

   2. The last maintenance release of the year

   3. The last major release of the year

   4. The last service release of the year

2. Which is not a function of the control plane?

   1. Processing SSH traffic destined to the router

   2. Updating the RIB

   3. Updating the FIB

   4. Processing a firewall filter on interface xe-0/0/0.0

3. How many Switch Control Boards does the MX960 require for redundancy?

   1. 1 + 1

   2. 2 + 1

   3. 1

   4. 2

4. Which is a functional block of the Trio architecture?

   1. Interfaces Block

   2. Routing Block

   3. BGP Block

   4. VLAN Block

5. Which MPC line card provides full Layer 2 and limited Layer 3 functionality?

   1. MX-3D-R-B

   2. MX-3D-Q-R-B

   3. MX-3D

   4. MX-3D-X

6. How many Trio chipsets does the MPC2 line card have?

   1. 1

   2. 2

   3. 3

   4. 4

7. What’s the purpose of the Ethernet switch located on the SCB?

   1. To provide additional SCB redundancy

   2. Remote management

   3. Provide communication between line cards and routing engines

   4. To support additional H-QoS scaling

8. What J-cell attribute is used by the destination PFE to reassemble packets in the correct order?

   1. Checksum

   2. Sequence number

   3. ID number

   4. Destination address