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    Chapter 4. Interfaces > Chapter Review Questions

    4.8. Chapter Review Questions

    1. On a J-series router interface, what are the possible values for the PIC slot number?

      1. 1

      2. 0

      3. Variable, depending on the physical location of the interface

      4. A range of 0–4

    2. Which two interfaces are considered permanent interfaces on a Juniper Networks router? (Choose two.)

      1. lo0

      2. ge-0/1/0

      3. fxp3

      4. fxp0

      5. loopback0

    3. On a point-to-point interface, which logical unit(s) can be assigned to an interface?

      1. None

      2. 4095

      3. 100

      4. 0

    4. Which interface name indicates that it is a serial interface in a J-series router that is located in PIM slot 1 and port number 1?

      1. se-1/1

      2. se-1/0/1

      3. serial1/1

      4. se-0/1/1

    5. Which Junos command allows for real-time display of interface statistics?

      1. monitor interface

      2. show interface statistics

      3. monitor traffic

      4. monitor statistics

    6. True or False: An interface must be administratively enabled before it is operationally in the up status.

    7. What is the default Layer 2 encapsulation for a serial interface?

      1. SDLC

      2. HDLC

      3. X.121

      4. PPP

    8. What is the maximum number of interfaces that can be added to an MLPPP bundle?

      1. 8

      2. 6

      3. 16

      4. 4

    9. What is the default clocking mode on a serial interface?

      1. DCE

      2. Internal

      3. Loop

      4. DTE

    10. Which CLI command would administratively disable the ge-0/0/0 interface?

      1. no shutdown

      2. set interface ge-0/0/0 disable

      3. deactivate interface ge-0/0/0

      4. disable interface ge-0/0/0

    11. True or False: All Juniper Networks routers contain an fxp0 OoB management interface.

    12. Which type of interface would be used to create a GRE tunnel?

      1. gre

      2. tunnel.0

      3. gr

      4. ip.0