$6.$ The decimal value of $248$ has which of the following hexadecimal value: $($choose one$)$a$)$ FFb$)$ F$8$c$)$ F$7$d$)$ FA $7.$ What is the default subnet mask of Class B IP addresses?a$)16$b$)8$c$)32$d$)248.$ Loopback IP addresses are routable over the internet?a$)$ Trueb$)$ False $9.$ Compress the following IPv$6$ Address$-2041$:$0000$:$140$F: $0000$:$0000$:$0000$:$875$A:$131$C $2041$:$0$:$140$F:$0$:$0$:$0$:$875$A:$131$C $10.$ Which of the following are valid Private IP addresses? $($Select all Valid choices$)$a$)172\mathrm{.}32\mathrm{.}1\mathrm{.}1$b$)10\mathrm{.}255\mathrm{.}255\mathrm{.}255$c$)168\mathrm{.}192\mathrm{.}0\mathrm{.}255$d$)192\mathrm{.}168\mathrm{.}0\mathrm{.}1$