Questions

Breaking of relationships is prevented once referential integrity on a database is enforced

Allotropes are the different physical forms of an element. Here in the given options, diamond and graphite are the pair of allotropes of carbon.

Some more examples are Molecular oxygen and ozone are pair of allotropes, Black and red phosphorous are also pairs of allotropes.

The Appointments Committee of the Cabinet has approved Ajay Vipin Nanavati appointment as Non-Official Director/Non-Executive Chairman in Syndicate Bank for three years. Melwyn Rego as MD & CEO of Syndicate bank.

As the chairman became responsible for overall policy directions, the managing director and chief executive officer became the executive head, accountable for day-to-day functioning of the bank.

Telnet uses TCP at layer 4. It uses IP at layer 3. We know that Telnet uses TCP/IP protocol, but in the question, it is asked specifically at layer 4 what is used in Telnet. So it is TCP at layer4 and IP at layer 3.