Chapter Review Answers
Answer: B. J-series routers do not contain PICs, so this value in the interface name is always set to zero and is sometimes referred to as the virtual PIC value.
Answer: A, D.
fe-0/1/0
is a transient interface, whereasfxp3
andloopback0
are invalid media types.Answer: D. A point-to-point interface has only one valid logical unit number, which is unit 0.
Answer B. Every transient interface always takes the form of MM-F/P/T, with F indicating the PIM slot and T representing the port number.
Answer: A. The
monitor statistics
command in an invalid command, whereasmonitor traffic
displays local TCP/IP traffic andshow interfaces
does not display information dynamically.Answer: False. Juniper interfaces are always administratively enabled when installed.
Answer: D. The default encapsulation is PPP on all point-to-point interfaces.
Answer: A. As of JUNOS software version 8.3, eight interfaces are allowed in a single bundle.
Answer: C. A serial interface always attempts to obtain its transmit timing from the line itself, using what is called loop timing. Other valid options that can be configured include
internal
anddce
. DTE is not a configurable option.Answer: B. The only other valid JUNOS software command listed in the answer choices is the
deactivate
command. This command comments out the configuration that the running system will ignore.Answer: False. Only M/T series routers contain an
fxp0
OoB management interface. J-series routers must be managed via console, auxiliary ...
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