Capstone Exam Part 6: Web Systems and Technologies

1. Which aspect of an analog carrier is modulated by multiple signal bands? A. phase B. amplitude C. both amplitude and phase D. frequency 2. Which protocol will assemble received packets into the correct order and cause missing packets to be retransmitted? A. Domain Name System (DNS) B. User Datagram Protocol (UDP) C. Simple Network Management Protocol (SNMP) D. Transmission Control Protocol (TCP) 3. Which protocol is both unreliable and connectionless? A. Telnet B. File Transfer Protocol C. User Datagram Protocol D. Transmission Control Protocol 4. Which type of signal has only two voltage levels? A. digital B. frequency modulation C. amplitude modulation D. analog 5. Which device is used to broadcast Ethernet frames to all ports? A. hub B. transceiver C. switch