Determine True$/$False for the following statements:

$1.$ Traceroute uses ICMP Echo Request packets to trace the route to the target host.

$2.$ Ping and trace route both operate at the transport later $($Layer $4)$ of the OSI model

$3.$ Traceroute may not always succeed in tracing the complete route due to firewall rules or packet filtering.

$4.$ trace route uses increasing TTL values in packets to identify the routers along the path to the target host.