On one router, the IS$-$IS NET $($Network Entity Title$)$ has been configured as $49\mathrm{.}0030\mathrm{.}0100\mathrm{.}0000\mathrm{.}0101\mathrm{.}00,$ the system ID is $0030\mathrm{.}0100\mathrm{.}0000$

$$False

$$True