4 QUESTION AND ANSWER

    1) Which  devices prcvide network connections on the lnternet?

Routers

    2) TCP/IP packets can take any route around a network to reach their destination is unreachadle travelling arevents a packet where the destination isw unreachadle travelling around the network perpetually? 

Each packet is configured with a lifespan called Time to Live (TTL).

    3)On a firewall, what port would you configure to allow SMTP communications only?

Allow Port 25and Deny all others.

    4) TCP/IP addressing utillises an 32-dit IP address with a sudnet mask, dut what are s