The communication mode that supports two-way traffic but only one direction at a

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Computer Science ‣ Networking Comments

Question
The communication mode that supports two-way traffic but only one direction at a time is
Options
A. simplex
B. duplex
C. half duplex
D. multiplex
E. None of the above

Correct Answer

half duplex

Networking problems

Search Results

1. Intranets and extranets can use their network fire walls and other security features to establish secure Internet links within an enterprise or with its trading partners. Select the best fit for answer:
Options
A. Network Server
B. Virtual Private Network
C. Network operating system
D. OSI

2. Internet-like networks between a company and its business partners. Select the best fit for answer:
Options
A. Bandwidth alternatives
B. Switching alternating
C. Inter organizational networks
D. Extranets

3. What frequency range is used for FM radio transmission?
Options
A. Very Low Frequency : 3 kHz to 30. kHz
B. Low Frequency : 30 kHz to 300 kHz
C. High Frequency : 3 MHz to 30 MHz
D. Very High Frequency : 30 MHz to 300 MHz
E. None of the above

4. Devices interconnected by the LAN should include
Options
A. Computers and terminals
B. mass storage device, printers and plotters
C. bridges and gateways
D. All of the above
E. None of the above

5. What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?
Options
A. Memory resident package
B. Project management package
C. Data communication package
D. Electronic mail package
E. None of the above

6. What are the data transmission channels available for carrying data from one location to another?
Options
A. Narrowband
B. Voiceband
C. Broadband
D. All of the above
E. None of the above

7. HMP (Host Monitoring Protocol) is:
Options
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

8. An anticipated result from multiprogramming operations is:
Options
A. reduced computer idle time
B. the handling of more jobs
C. better scheduling of work
D. All of the above
E. None of the above

9. Which of the following statement is incorrect?
Options
A. The Addresses Resolution Protocol, ARP, allows a host to find the physical address of a target host on the same physical network, given only the target IP address.
B. The sender's IP - to- physical address binding is included in every ARP broadcast; receivers update the IP-to-Physical address binding information in their cache before processing an ARP packet.
C. ARP is a low-level protocol that hides the underlying network physical addressing, permitting us to assign IP-addresses of our choice to every machine.
D. All of the above
E. None of the above

Comments

More in Computer Science: