message from R$7"$R$7$# show ip route

Codes: C $-$ connected, S $-$ static, I $-$ IGRP, R $-$ RIP, M $-$ mobile, B $-$ BGP

D $-$ EIGRP, EX $-$ EIGRP external, O $-$ OSPF, IA $-$ OSPF inter area

N$1-$ OSPF NSSA external type $1,$ N$2-$ OSPF NSSA external type $2$

E$1-$ OSPF external type $1,$ E$2-$ OSPF external type $2,$ E $-$ EGP

i $-$ IS$-$IS$,$ L$1-$ IS$-$IS level$-1,$ L$2-$ IS$-$IS level$-2,$ ia $-$ IS$-$IS inter area

$*-$ candidate default, U $-$ per$-$user static route, o $-$ ODR

P $-$ periodic downloaded static route

Gateway of last resort is $0\mathrm{.}0\mathrm{.}0\mathrm{.}0$ to network $0\mathrm{.}0\mathrm{.}0\mathrm{.}0$

C $20\mathrm{.}0\mathrm{.}0\mathrm{.}0/8$ is directly connected, Serial$2/0$

C $30\mathrm{.}0\mathrm{.}0\mathrm{.}0/8$ is directly connected, FastEthernet$0/0$

C $40\mathrm{.}0\mathrm{.}0\mathrm{.}0/8$ is directly connected, Serial$3/0$

C $60\mathrm{.}0\mathrm{.}0\mathrm{.}0/8$ is directly connected, Serial$6/0$

S$*0\mathrm{.}0\mathrm{.}0\mathrm{.}0/0$ is directly connected, Serial$3/0$

is directly connected, Serial$2/0$

is directly connected, Serial$6/0"$ Refer to the diagram and the message copied from the CLI of R

$7$

$.$

$$Assume the routers use fast switching

for load balancing. All other routers except R

$7$

$$set with a default route via R

$7$

$.$

$$Will the PC be able to

communicate without any issues? Explain why