711. When you ping the loopback address, a packet is sent where?
A. On the network
B. Down through the layers of the IP architecture and then up the layers again
C. Across the wire
D. through the loopback dongle
E. None of the above

712. Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?
A. FTP
B. SNMP
C. SMTP
D. RPC
E. None of the above

713. Which of the following device is used to connect two systems, especially if the systems use different protocols?
A. hub
B. bridge
C. gateway
D. repeater
E. None of the above

714. The synchronous modems are more costly than the asynchronous modems because
A. they produce large volume of data
B. they contain clock recovery circuits
C. they transmit the data with stop and start bits.
D. they operate with a larger bandwidth
E. None of the above

715. A distributed network configuration in which all data/information pass through a central computer is
A. bus network
B. star network
C. ring network
D. Point-to-point network
E. None of the above

716. Which of the following TCP/IP protocol allows an application program on one machine to send a datagram to an application program on another machine?
A. UDP
B. VMTP
C. X.25
D. SMTP
E. None of the above

717. A remote batch-processing operation in which data is solely input to a central computer would require a:
A. telegraph line
B. simplex lines
C. mixedband channel
D. All the above
E. None of the above

718. ICMP (Internet Control Message Protocol) is
A. a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
B. a TCP/IP high level protocol for transferring files from one machine to another
C. a protocol used to monitor computers
D. a protocol that handles error and control messages
E. None of the above

719. If you get both local and remote echoes, every character you type will appear on the screen
A. once
B. twice
C. three times
D. never
E. None of the above

720. What part of 192.168.10.51 is the Network ID, assuming a default subnet mask?
A. 192
B. 192.168.10
C. 0.0.0.5
D. 51
E. None of the above

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