Exam 8: Data and Network Communication Technology
Exam 1: Computer Technology: Your Need To Know60 Questions
Exam 2: Introduction to Systems Architecture90 Questions
Exam 3: Data Representation100 Questions
Exam 4: Processor Technology and Architecture103 Questions
Exam 5: Data Storage Technology100 Questions
Exam 6: System Integration and Performance100 Questions
Exam 7: Input/Output Technology99 Questions
Exam 8: Data and Network Communication Technology100 Questions
Exam 9: Computer Networks75 Questions
Exam 10: Application Development76 Questions
Exam 11: Operating Systems75 Questions
Exam 12: File and Secondary Storage Management77 Questions
Exam 13: Internet and Distributed Application Services93 Questions
Exam 14: System Administration75 Questions
Select questions type
Type I error rates can be reduced by combining parity checking and block checking.
(True/False)
4.8/5
(34)
List two characteristics in which error detection and correction methods vary.
(Essay)
4.8/5
(30)
A wave with encoded bits is called a(n) ____________________ wave because it transports bits from one place to another.
(Short Answer)
4.8/5
(35)
A complete ____ of a sine wave follows its full range from zero to positive peak, back to zero, to its negative peak, and then back to zero again.
(Multiple Choice)
4.7/5
(36)
S/N ratio is computed as the log of signal power minus noise power.
(True/False)
4.8/5
(35)
____ routes signals between two locations through a physical connection, such as copper wire or optical fiber.
(Multiple Choice)
5.0/5
(39)
Under ____________________ parity, the sender sets the parity bit to 0 if the count of 1-valued data bits is even or to 1 if the count of 1-valued data bits is odd.
(Short Answer)
4.8/5
(33)
Data messages vary in format and content and can include any primitive CPU data types or more complex data types.
(True/False)
4.9/5
(37)
Circuit switching makes efficient use of channel capacity in most data transmission situations.
(True/False)
4.8/5
(35)
As bit transmission speed is increased, the duration of each bit in the signal, known as the ____, decreases.
(Multiple Choice)
4.8/5
(35)
In ____________________ transmission, messages are sent on an as-needed basis.
(Short Answer)
4.9/5
(28)
The term ____ describes the maximum number of bits or bytes per second that the channel actually achieves with a specific communication protocol.
(Multiple Choice)
4.9/5
(34)
Square waves can be generated by rapidly switching (pulsing) an electrical or optical power source-a technique called ____.
(Multiple Choice)
4.8/5
(41)
A(n) ____________________ signal can contain one of a finite number of possible values.
(Short Answer)
4.8/5
(28)
Despite its complexities, packet switching is the dominant form of intercomputer communication.
(True/False)
4.8/5
(35)
In ____ mode, the receiver can communicate with the sender at any time over the second transmission line, even while data is still being transmitted on the first line.
(Multiple Choice)
4.8/5
(36)
Most local phone service is based on a channel-sharing strategy called ____.
(Multiple Choice)
4.8/5
(28)
What are the two main synchronization problems that can occur during message transmission?
(Essay)
4.8/5
(37)
Parity checking can be expanded to groups of characters or bytes by using ____.
(Multiple Choice)
4.8/5
(30)
____ transmission uses a separate transmission line for each bit position.
(Multiple Choice)
4.8/5
(33)
Showing 21 - 40 of 100
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)