Database Management Systems
Chapter notes, video classes, MCQ practice tests and quick-revision one-liners for Information Technology and Digital Banking (Elective) — CAIIB.
One-liners from this chapter
Free sample — 8 of 156 rapid-fire Q&A cards.
Simplex — Direction of Flow / Example?
Direction of Flow: One-way only; Example: Radio, TV broadcast, keyboard-to-CPU
Half-duplex — Direction of Flow / Example?
Direction of Flow: Both ways, one at a time; Example: Walkie-talkie, old fax
Full-duplex — Direction of Flow / Example?
Direction of Flow: Both ways simultaneously; Example: Telephone, modern data link, Ethernet
Definition — Internet / Intranet / Extranet?
Internet: Global public network of networks; Intranet: Private network within one enterprise; Extranet: Extension of intranet to trusted external parties
Users — Internet / Intranet / Extranet?
Internet: Anyone with connectivity; Intranet: Employees of the enterprise; Extranet: Employees + selected business partners, vendors, customers
Security — Internet / Intranet / Extranet?
Internet: Open, lowest; Intranet: High (behind firewall); Extranet: High (router + firewall + authentication)
Access — Internet / Intranet / Extranet?
Internet: Public; Intranet: Restricted to insiders; Extranet: Restricted to authenticated outsiders
Example in Bank — Internet / Intranet / Extranet?
Internet: Public website, RBI portal; Intranet: Bank's HR portal, CBS access; Extranet: Vendor procurement portal, ATM-switch partner access
MCQ practice tests
Chapter-wise mock tests with instant scoring.
PDF study notes
More chapters in Module A - Information Technology and its Implications
Master the full ITDB syllabus
Every chapter of Information Technology and Digital Banking (Elective) — videos, tests, notes and one-liner decks in one place.