Strings can usually be dealt with as arrays of characters.
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sentence.substring( sentence.size() -1 );
Answer:
B. Change the router's default administrative password.
Explanation:
Whenever a user purchase a router for wireless network, a default password has been set for the device, which can be easily accessible to different users on the internet or that particular network. This will lead to unsecured that particular user in terms of hacking or stealing data or personnel information easily.
To make sure the security of customer on private network, the technician should change the router default password.
