A web server contains resource cities.html with an ETag of $678$ijk.

Indicate the status code returned and the ETag stored in the cache if:the browser requests cities.html with the header If$-$None$-$Match: $567$rst$.$status code:ETag:the browser requests cities.html with the header If$-$None$-$Match: $678$ijk.status code:ETag:

Ex: $100$

Ex: abc